Contaminant | MCL (mg/L) |
Alachlor | 0.002 |
Atrazine | 0.003 |
Benzo[a]pyrene | 0.0002 |
Carbofuran | 0.04 |
Chlordane | 0.002 |
2,4-D | 0.07 |
Dalapon | 0.2 |
Dibromochloropropane | 0.0002 |
Di(2-ethylhexyl)adipate | 0.4 |
Di(2-ethylhexyl)phthalate | 0.006 |
Dinoseb | 0.007 |
Diquat | 0.02 |
Endothall | 0.1 |
Endrin | 0.002 |
Ethylene Dibromide | 0.00005 |
Glyphosate | 0.7 |
Heptachlor | 0.0004 |
Heptachlor epoxide | 0.0002 |
Hexachlorobenzene | 0.001 |
Hexachlorocyclopentadiene | 0.05 |
Lindane | 0.0002 |
Methoxychlor | 0.04 |
Oxamyl | 0.2 |
Pentachlorophenol PFOS and PFOA | 0.001 0.000070 |
Picloram | 0.5 |
Polychlorinated biphenyls (PCBs) | 0.0005 |
Simazine | 0.004 |
2,3,7,8-TCDD (Dioxin) | 3x10-8 |
Toxaphene | 0.003 |
2,4,5-TP | 0.05 |
Contaminant | Detection Limit (mg/L) |
1. Alachlor | 0.0002 |
2. Aldicarb | 0.0005 |
3. Aldicarb sulfoxide | 0.0005 |
4. Aldicarb sulfone | 0.0008 |
5. Atrazine | 0.0001 |
6. Benzo[a]pyrene | 0.00002 |
7. Carbofuran | 0.0009 |
8. Chlordane | 0.0002 |
9. 2,4-D | 0.0001 |
10. Dalapon | 0.001 |
11. Dibromochloropropane | 0.00002 |
12. Di(2-ethylhexyl)adipate | 0.0006 |
13. Di(2-ethylhexyl)phthalate | 0.0006 |
14. Dinoseb | 0.0002 |
15. Diquat | 0.0004 |
16. Endothall | 0.009 |
17. Endrin | 0.00001 |
18. Ethylene dibromide | 0.00001 |
19. Glyphosate | 0.006 |
20. Heptachlor | 0.00004 |
21. Heptachlor epoxide | 0.00002 |
22. Hexachlorobenzene | 0.0001 |
23. Hexachlorocyclopentadiene | 0.0001 |
24. Lindane | 0.00002 |
25. Methoxychlor | 0.0001 |
26. Oxamyl | 0.002 |
27. Picloram | 0.0001 |
28. Polychlorinated biphenyls (PCBs as decchlorobiphenyls) | 0.0001 |
29. Pentachlorophenol | 0.00004 |
30. Simazine | 0.00007 |
31. Toxaphene | 0.001 |
32. 2,3,7,8-TCDD (Dioxin) | 0.000000005 |
33. 2,4,5-TP (Silvex) | 0.0002 |
30. Perfluorooctane Sulfonic Acid (PFOS) | 0.000002 |
31. Perfluorooctanoic Acid (PFOA) | 0.000002 |
32. Simazine | 0.00007 |
33. Toxaphene | 0.001 |
34. 2,3,7,8-TCDD (Dioxin) | 0.000000005 |
35. 2,4,5-TP (Silvex) | 0.0002 |
Table CM SDWA Approved Methodology for Synthetic Organic Contaminants |
Contaminant | EPA Methods1 | SM9 | SM Online10 | ASTM | Other |
Regulated Parameters: |
Synthetic Organic Chemicals |
2,3,7,8-TCDD (dioxin) | 1613 |
2,4-D 2 (as acids, salts and esters) | 515.2, 555, 515.1, 515.3, 515.4 | D5317-93, 98 (Reapproved 2003) |
2,4,5-TP 2 (Silvex) | 515.2, 555, 515.1, 515.3, 515.4 | 6640 B, | 6640 B-01, B-0611 | D5317-93, 98 (Reapproved 2003) |
Alachlor | 507, 525.2, 525.32 508.1, 5058, 551.1 |
Atrazine 3 | 507, 525.2, 525.3 508.1, 5058, 551.1, 536 | Syngenta4 AG-625 |
Benzo(a)pyrene | 525.2, 525.3, 550, 550.1 |
Carbofuran | 531.1, 531.2 | 66105 6610 B | 6610 B-04 |
Chlordane | 508, 525.2, 525.3, 508.1, 505 |
Dalapon | 552.1 515.1, 552.2, 515.3, 515.4, 552.3, 557 | 6640 B | 6640 B-01, 06 |
Di(2-ethylhexyl)adipate | 506, 525.2, 525.3 |
Di(2-ethylhexyl)phthalate | 506, 525.2, 525.3 |
Dibromochloropropane (DBCP) | 504.1, 551.1, 524.39 |
Dinoseb | 515.2, 555, 515.1, 515.3, 515.4 | 6640 B | 6640 B-01, 06 |
Diquat | 549.2 |
Endothall | 548.1 |
Endrin | 508, 525.2, 525.3, 508.1, 505, 551.1 |
Ethylene dibromide (EDB) | 504.1, 551.1, 524.3 |
Glyphosate | 547 | 66516 6651 B | 6651 B-01, B-06 |
Heptachlor | 508, 525.2, 525.3, 508.1, 505, 551.1 |
Heptachlor Epoxide | 508, 525.2, 525.3, 508.1, 505, 551.1 |
Hexachlorobenzene | 508, 525.2, 525.3, 508.1, 505, 551.1 |
Hexachlorocyclopentadiene | 508, 525.2, 525.3, 508.1, 505, 551.1 |
Lindane | 508, 525.2, 525.3, 508.1, 505, 551.1 |
Methoxychlor | 508, 525.2, 525.3, 508.1, 505, 551.1 |
Oxamyl | 531.1, 531.2 | 66105 6610 B | 6610 B-04 |
PCBs (as decachlorobiphenyl) | 508A7 |
(as Aroclors) | 508.1, 508, 525.2, 525.3, 505 |
Pentachlorophenol | 515.2, 525.2, 525.3, 555, 515.1, 515.3, 515.4 | D5317-93, 98 (Reapproved 2003) |
Picloram 2 | 515.2, 555, 515.1, 515.3, 515.4 | 6640 B | 6640 B-01 | D5317-93, 98 s (Reapproved 2003) |
Perfluorooctane Sulfonic Acid (PFOS) | 537.1 Rev.2, 533 |
Perfluorooctanoic Acid (PFOA) | 537.1 Rev.2 533 |
Simazine | 507, 525.2, 525.3, 523, 536, 508.1, 5058, 551.1 |
Toxaphene | 508, 508.1, 525.2, 525.3, 505 |
Unregulated Parameters: |
Aldicarb | 531.1, 531.2 | 66105 6610 B | 6610 B-04 |
Aldicarb sulfone | 531.1, 531.2 | 66105 6610 B | 6610 B-04 |
Aldicarb Sulfoxide | 531.1 , 531.2 | 66105 6610 B | 6610 B-04 |
Aldrin | 505, 508, 525.2, 525.3, 508.1 |
Butachlor | 507, 525.2, 525.3 |
Carbaryl | 531.1, 531.2 | 66105 6610 B | 6610 B-04 |
Dicamba | 515.1, 555, 515.2, 515.3, 515.4 | 6640 B | 6640 B-01, B-06 |
Dieldrin | 505, 508, 525.2, 525.3, 508.1 |
3-Hydroxcarbofuran | 531.1, 531.2 | 66105 6610 B | 6610 B-04 |
Methomyl | 531.1, 531.2 | 66105 6610 B | 6610 B-04 |
Metolachlor | 507, 525.2, 525.3, 508.1 |
Metribuzin | 507, 525.2, 525.3, 508.1 |
Propachlor | 507, 525.2, 525.3, 508.1 |
Table D Sample Preservation, Holding Times, and Sampling Containers for Organic Parameters |
Method | Preservative2 | Sample Holding Time | Extract Holding Time and Storage Conditions | Suggested Sample Size | Type of Container |
502.22 | Sodium Thiosulfate or Ascorbic Acid, 4C, HCl pH<2 | 14 days | NA | 40 – 120 mL | Glass with PTFE1 Lined Septum |
504.1 | Sodium Thiosulfate, Cool, 4C | 14 days | 4C, 24 hours | 40 mL | Glass with PTFE1 Lined Septum |
505 | Sodium Thiosulfate, Cool, 4C | 14 days (7 days for Heptachlor) | 4C, 24 hours | 40 mL | Glass with PTFE1 Lined Septum |
506 | Sodium Thiosulfate, Cool, 4C, Dark | 14 days | 4C, Dark 14 days | 1 L | Amber Glass with PTFE1 Lined Septum |
507 | Sodium Thiosulfate, Cool, 4C, Dark | 14 days (See method for exceptions.) | 4C, Dark 14 days | I L | Amber Glass with PTFE1 Lined Cap |
508 | Sodium Thiosulfate, Cool, 4C, Dark | 7 days (See method for exceptions.) | 4C, Dark 14 days | I L | Glass with PTFE1 Lined Cap |
508A | Cool, 4C | 14 days | 30 days | I L | Amber Glass with PTFE1 Lined Cap |
508.1 | Sodium Sulfite, HCl pH<2, Cool, 4C | 14 days (See method for exceptions.) | 30 days | I L | Glass with PTFE Lined Cap |
515.1 | Sodium Thiosulfate, Cool, 4C, Dark | 14 days | 4C, Dark 28 days | I L | Amber Glass with PTFE1 Lined Cap |
515.2 | Sodium Thiosulfate or Sodium Sulfite, HCl pH<2 Cool, 4C, Dark | 14 Days | 4C, Dark 14 Days | I L | Amber Glass with PTFE1 Lined Cap |
515.3 | Sodium Thiosulfate, Cool, 4C, Dark | 14 days | 4C, Dark 14 Days | 50 mL | Amber Glass with PTFE1 Lined Cap |
515.4 | Sodium Sulfite, Dark, Cool 10C for First 48 hrs, 6C thereafter | 14 days | 0C 21 days | 40 mL | Amber Glass with PTFE1 Lined Cap |
524.22 | Ascorbic Acid or Sodium Thiosulfate, HCl pH<2, Cool 4C | 14 days | NA | 40 – 120 mL | Glass with PTFE1 Lined Septum |
524.32 | Maleic and Ascorbic Acids pH<2, 10C for first 48 hrs., 6 thereafter. If only analyzing TTHM: Sodium Thiosulfate pH<2, 10C for first 48 hrs., 6 thereafter | 14 days | NA | 40 – 120 mL | Amber Glass with PTFE1 Lined Septum |
525.2 | Sodium Sulfite, Dark, Cool, 4C, HCl pH<2 | 14 days (See method for exceptions) | 4C 30 days | 1 L | Amber Glass with PTFE1 Lined Cap |
531.1, 6610 | Sodium Thiosulfate, Monochloroacetic Acid pH<3, Cool, 4ºC | Cool 4C from collection until storage at laboratory; <-10C at the laboratory; 28 days | NA | 60 mL | Glass with PTFE1 Lined Septum |
531.2 | Sodium Thiosulfate, Potassium Dihydrogen Citrate Buffer pH<4, Dark 10C for first 48 hrs., 6ºC thereafter | 28 days | NA | 40 mL | Glass with PTFE1 Lined Septum |
537.1 | Trizma – 5.0 g/L Cool < 10° during first 48 hours after collection. 28 days. 6 ºC after 48 hours, not frozen | 14 days, < 6°C | 28 days, room temperature | 250 mL | 250- mL polypropylene bottle fitted with a polypropylene screw-cap |
533 | Ammonium acetate g/L Cool <10C during first 2 days after collection or received on ice, 6 ºC after 48 hours, not frozen | 28 days < 6°C | 28 days, room temperature | 250 mL | 250- mL polypropylene bottle fitted with a polypropylene screw-cap |
547 | Sodium Thiosulfate, Cool, 4C | 14 days; 18 mos. Frozen | NA | 60 mL | Glass with PTFE1 Lined Septum |
548.1 | Sodium Thiosulfate, HCl pH 1.5 -2 if High Biological Activity, Cool, 4C, Dark | 7 days | 4C 14 days | 250 mL | Amber Glass with PTFE1 Lined Septum |
549.2 | Sodium Thiosulfate, H2SO4 pH<2, if Biologically Active, Cool 4C, Dark | 7 days | 21 days | 250 mL | High Density Amber Plastic or Silanized Amber Glass |
550 | Sodium Thiosulfate, Cool, 4C, HCl pH<2 | 7 days | 4C, Dark 30 days | 1 L | Amber Glass with PTFE1 Lined Septum |
550.1 | Sodium Thiosulfate, Cool, 4C, HCl pH<2 | 7 days | 4C, Dark 40 days | 1 L | Amber Glass with PTFE1 Lined Septum |
551.1 | Sodium Sulfite, Ammonium Chloride, pH 4.5-5.0 with Phosphate Buffer, Cool, 4C | 14 days | 14 days <-10C | 40 mL | Glass with PTFE1 Lined Septum |
552.1 | Ammonium Chloride, Cool, 4C, Dark | 28 days | 4C, Dark 48 hrs. | 250 mL | Amber Glass with PTFE1 Lined Cap |
552.2 | Ammonium Chloride, Cool, 4C, Dark | 14 days | 4C, Dark, 7 days -10C, 14 days | 50 mL | Amber Glass with PTFE1 Lined Cap |
555 | Sodium Sulfite,HCl pH 2,Dark, Cool, 4C | 14 days | NA | 100 mL | Glass wit PTFE1 Lined Cap |
1613 | Sodium Thiosulfate,Cool, 0 - 4C, Dark | 1 year | 40 days recommended | 1 L | Amber Glass with PTFE1 Lined Cap |
Appendix A to Subchapter V Consumer Confidence Report Information |
Contaminant (units) | Traditional MCL in mg/L | To convert for CCR; multiply by | MCL in CCR units | MCLG | Major sources in drinking water | Health effects language |
Microbiological contaminants: |
Total Coliform Bacteria | TT | N/A | TT | NA | Naturally present in the environment. | Coliforms are bacteria that are naturally present in the environment and are used as an indicator that other, potentially harmful, waterborne pathogens may be present or that a potential pathway exists through which contamination may enter the drinking water distribution system. We found coliforms indicating the need to look for potential problems in water treatment or distribution. When this occurs, we are required to conduct assessment(s) to identify problems and to correct any problems that were found during these assessments. |
E. coli | Routine and repeat samples are total coliform-positive and either is E. coli-positive or system fails to take repeat samples following E. coli-positive routine sample or system fails to analyze total coliform-positive repeat sample for E. coli. | Routine and repeat samples are total coliform-positive and either is E. coli-positive or system fails to take repeat samples following E. coli-positive routine sample or system fails to analyze total coliform-positive repeat sample for E. coli. | 0 | Human and animal fecal waste. | E. coli are bacteria whose presence indicates that the water may be contaminated with human or animal wastes. Human pathogens in these wastes can cause short-term effects, such as diarrhea, cramps, nausea, headaches, or other symptoms. They may pose a special health risk for infants, young children, some of the elderly, and people with severely compromised immune systems. |
Total organic carbon (ppm) | TT | N/A | TT | N/A | Naturally present in the environment. | Total organic carbon has no health effects. However, total organic carbon provides a medium for the formation of disinfection byproducts. Their byproducts include trihalomethanes and haloacetic acids. Drinking water containing these byproducts in excess of the MCL may lead to adverse health effects, liver or kidney problems, or nervous system effects, and may lead to an increased risk of getting cancer. |
Turbidity (NTU) | TT | N/A | TT | N/A | Soil runoff. | Turbidity has no health effects. However, turbidity can interfere with disinfection and provide a medium for microbial growth. Turbidity may indicate the presence of disease-causing organisms. These organisms include bacteria, viruses, and parasites that can cause symptoms such as nausea, cramps, diarrhea and associated headaches. |
Fecal Indicators: enterococci or coliphage | TT | TT | N/A | Human and animal fecal waste | Fecal indicators are microbes whose presence indicates that the water may be contaminated with human or animal wastes. Microbes in these wastes can cause short-term health effects, such as diarrhea, cramps, nausea, headaches, or other symptoms. They may pose a special health risk for infants, young children, some of the elderly, and people with severely compromised immune systems |
Radioactive contaminants: |
Beta/photon emitters (mrem/yr) | 4 mrem/yr | N/A | 4 | N/A | Decay of natural and man-made deposits. | Certain minerals are radioactive and may emit forms of radiation known as photons and beta radiation. Some people who drink water containing beta and photon emitters in excess of the MCL over many years may have an increased risk of getting cancer. |
Alpha emitters (pCi/l) | 15 pCi/l | N/A | 15 | N/A | Erosion of natural deposits. | Certain minerals are radioactive and may emit a form of radiation known as alpha radiation. Some people who drink water containing alpha emitters in excess of the MCL over many years may have an increased risk of getting cancer. |
Combined radium (pCi/l) | 5 pCi/l | N/A | 5 | N/A | Erosion of natural deposits. | Some people who drink water containing radium 226 or 228 in excess of the MCL over many years may have an increased risk of getting cancer. |
Uranium (ug/1) | 30 ug/1 | N/A | 30 | 0 | Erosion of natural deposits. | Some people who drink water containing uranium in excess of the MCL over many years may have an increased risk of getting cancer or kidney toxicity. |
Inorganic contaminants: |
Antimony (ppb) | .006 | 1000 | 6 | 6 | Discharge from petroleum refineries, fire retardants, ceramics, electronics, solder. | Some people who drink water containing antimony well in excess of the MCL over many years could experience increases in blood cholesterol and decreases in blood sugar. |
Arsenic (ppb) | 0.0101 | 1000 | 101 | 01 | Erosion of natural deposits; Runoff from orchards; Runoff from glass and electronics production wastes. | Some people who drink water containing arsenic in excess of the MCL over many years could experience skin damage or problems with their circulatory system, and may have an increased risk of getting cancer. |
Asbestos (MFL) | 7 MFL | N/A | 7 | 7 | Decay of asbestos cement water; Erosion of natural deposits. | Some people who drink water containing asbestos in excess of the MCL over many years may have an increased risk of developing benign intestinal polyps. |
Barium (ppm) | 2 | N/A | 2 | 2 | Discharge of drilling wastes; Discharge from metal refineries; Erosion of natural deposits. | Some people who drink water containing barium in excess of the MCL over many years could experience an increase in their blood pressure. |
Beryllium (ppb) | .004 | 1000 | 4 | 4 | Discharge from metal refineries and coal-burning factories; Discharge from electrical, aerospace, and defense industries. | Some people who drink water containing beryllium well in excess of the MCL over many years could develop intestinal lesions. |
Bromate (ppb) | .010 | 1000 | 10 | 0 | By-product of drinking water disinfection. | Some people who drink water containing bromate in excess of the MCL over many years may have an increased risk of getting cancer. |
Cadmium (ppb) | .005 | 1000 | 5 | 5 | Corrosion of galvanized pipes; Erosion of natural deposits; Discharge from metal refineries; Runoff from waste batteries and paints. | Some people who drink water containing cadmium in excess of the MCL over many years could experience kidney damage. |
Chloramines (ppm) | MRDL = 4 | N/A | MRDL = 4 | MRDLG = 4 | Water additive used to control microbes. | Some people who use water containing chloramines well in excess of the MRDL could experience irritating effects to their eyes and nose. Some people who drink water containing chloramines well in excess of the MRDL could experience stomach discomfort or anemia. |
Chlorine (ppm) | MRDL = 4 | N/A | MRDL = 4 | MRDLG = 4 | Water additive used to control microbes. | Some people who use water containing chlorine well in excess of the MRDL could experience irritating effects to their eyes and nose. Some people who drink water containing chlorine well in excess of the MRDL could experience stomach discomfort or anemia. |
Chlorine dioxide (ppb) | MRDL = .8 | 1000 | MRDL = 800 | MRDLG = 800 | Water additive used to control microbes. | Some infants and young children who drink water containing chlorine dioxide in excess of the MRDL could experience nervous system effects. Similar effects may occur in fetuses of pregnant women who drink water containing chlorine dioxide in excess of the MRDL. Some people may experience anemia. |
Chlorite (ppm) | 1 | N/A | 1 | 0.8 | By-product of drinking water disinfection. | Some infants and young children who drink water containing chlorite in excess of the MCL could experience nervous system effects. Similar effects may occur in fetuses of pregnant women who drink water containing chlorite in excess of the MCL. Some people may experience anemia. |
Chromium (ppb) | .1 | 1000 | 100 | 100 | Discharge from steel and pulp mills; Erosion of natural deposits. | Some people who drink water containing chromium well in excess of the MCL over many years could experience allergic dermatitis. |
Copper (ppm) | AL = 1.3 | N/A | AL = 1.3 | 1.3 | Corrosion of household plumbing systems; Erosion of natural deposits. | Copper is an essential nutrient, but some people who drink water containing copper in excess of the action level over a relatively short amount of time could experience gastrointestinal distress. Some people who drink water containing copper in excess of the action level over many years could suffer liver or kidney damage. People with Wilson’s Disease should consult their personal doctor. |
Cyanide (ppb) | .2 | 1000 | 200 | 200 | Discharge from steel/metal factories; Discharge from plastic and fertilizer factories. | Some people who drink water containing cyanide well in excess of the MCL over many years could experience nerve damage or problems with their thyroid. |
Fluoride (ppm) | 4 | N/A | 4 | 4 | Erosion of natural deposits; Water additive which promotes strong teeth; Discharge from fertilizer and aluminum factories. | Some people who drink water containing fluoride in excess of the MCL over many years could get bone disease, including pain and tenderness of bones. Fluoride in drinking water at half the MCL or more may cause mottling of children’s teeth, usually in children less than 9 years old. Mottling, also known as dental fluorosis, may include brown staining and/or pitting of the teeth, and occurs only in developing teeth before they erupt from the gums. |
Lead (ppb) | AL = .015 | 1000 | AL = 15 | 0 | Corrosion of household plumbing system; Erosion of natural deposits. | Infants and children who drink water containing lead in excess of the action level could experience delays in their physical or mental development. Children could show slight deficits in attentions span and learning abilities. Adults who drink this water over many years could develop kidney problems or high blood pressure. |
Mercury [inorganic] (ppb) | .002 | 1000 | 2 | 2 | Erosion of natural deposits; Discharge from refineries and factories; Runoff from landfills; Runoff from cropland. | Some people who drink water containing inorganic mercury well in excess of the MCL over many years could experience kidney damage. |
Nitrate (ppm) | 10 | N/A | 10 | 10 | Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of natural deposits. | Infants below the age of 6 months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue baby syndrome. Females who are or may become pregnant should not consume water with nitrate concentrations that exceed the MCL. There is some evidence of an association between exposure to high nitrate levels in drinking water during the first weeks of pregnancy and certain birth defects. |
Nitrite (ppm) | 1 | N/A | 1 | 1 | Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of natural deposits. | Infants below the age of 6 months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue baby syndrome. |
Selenium (ppb) | .05 | 1000 | 50 | 50 | Discharge from petroleum and metal refineries; Erosion of natural deposits; Discharge from mines. | Selenium is an essential nutrient. However, some people who drink water containing selenium in excess of the MCL over many years could experience hair or fingernail loss, numbness in fingers or toes, or problems with their circulation. |
Thallium (ppb) | .002 | 1000 | 2 | 0.5 | Leaching from ore-processing sites; Discharge from electronic, glass, and drug factories. | Some people who drink water containing thallium in excess of the MCL over many years could experience hair loss, changes in their blood, or problems with their kidneys, intestines, or liver. |
Synthetic organic contaminants including pesticides and herbicides: |
2,4-D (ppb) | .07 | 1000 | 70 | 70 | Runoff from herbicide used on row crops. | Some people who drink water containing the weed killer 2,4-D well in excess of the MCL over many years could experience problems with their kidneys, liver, or adrenal glands. |
2,4,5-TP [Silvex] (ppb) | .05 | 1000 | 50 | 50 | Residue of banned herbicide. | Some people who drink water containing silvex in excess of the MCL over many years could experience liver problems. |
Acrylamide | TT | N/A | TT | 0 | Added to water during sewage/wastewater treatment. | Some people who drink water containing high levels of acrylamide over a long period of time could have problems with their nervous system or blood, and may have an increased risk of getting cancer. |
Alachlor (ppb) | .002 | 1000 | 2 | 0 | Runoff from herbicide used on row crops. | Some people who drink water containing alachlor in excess of the MCL over many years could have problems with their eyes, liver, kidneys, or spleen, or experience anemia, and may have an increased risk of getting cancer. |
Atrazine (ppb) | .003 | 1000 | 3 | 3 | Runoff from herbicide used on row crops. | Some people who drink water containing atrazine well in excess of the MCL over many years could experience problems with their cardiovascular system or reproductive difficulties. |
Benzo(a)- pyrene [PAH] (nanograms/l) | .0002 | 1,000,000 | 200 | 0 | Leaching from lining of water storage tanks and distribution lines. | Some people who drink water containing benzo(a)pyrene in excess of the MCL over many years may experience reproductive difficulties and may have an increased risk of getting cancer. |
Carbofuran (ppb) | .04 | 1000 | 40 | 40 | Leaching of soil fumigant used on rice and alfalfa. | Some people who drink water containing carbofuran in excess of the MCL over many years could experience problems with their blood, or nervous or reproductive systems. |
Chlordane (ppb) | .002 | 1000 | 2 | 0 | Residue of banned termiticide. | Some people who drink water containing chlordane in excess of the MCL over many years could experience problems with their liver or nervous system, and may have an increased risk of getting cancer. |
Dalapon (ppb) | .2 | 1000 | 200 | 200 | Runoff from herbicide used on rights of way. | Some people who drink water containing dalapon well in excess of the MCL over many years could experience minor kidney changes. |
Di(2-ethylhexyl) adipate (ppb) | .4 | 1000 | 400 | 400 | Discharge from chemical factories. | Some people who drink water containing di (2-ethylhexyl) adipate well in excess of the MCL over many years could experience toxic effects such as weight loss, liver enlargement or possible reproductive difficulties. |
Di(2-ethylhexyl) phthalate (ppb) | .006 | 1000 | 6 | 0 | Discharge from rubber and chemical factories. | Some people who drink water containing di (2-ethylhexyl) phthalate well in excess of the MCL over many years may have problems with their liver, or experience reproductive difficulties, and may have an increased risk of getting cancer. |
Dibromo-chloropropane (ppt) | .0002 | 1,000,000 | 200 | 0 | Runoff/leaching from soil fumigant used on soybeans, cotton, pineapples, and orchards. | Some people who drink water containing DBCP in excess of the MCL over many years could experience reproductive problems and may have an increased risk of getting cancer. |
Dinoseb (ppb) | .007 | 1000 | 7 | 7 | Runoff from herbicide used on soybeans and vegetables. | Some people who drink water containing dinoseb well in excess of the MCL over many years could experience reproductive difficulties. |
Diquat (ppb) | .02 | 1000 | 20 | 20 | Runoff from herbicide use. | Some people who drink water containing diquat in excess of the MCL over many years could get cataracts. |
Dioxin [2,3,7,8-TCDD] (ppq) | .00000003 | 1,000,000,000 | 30 | 0 | Emissions from waste incineration and other combustion; Discharge from chemical factories. | Some people who drink water containing dioxin in excess of the MCL over many years could experience reproductive difficulties and may have an increased risk of getting cancer. |
Endothall (ppb) | .1 | 1000 | 100 | 100 | Runoff from herbicide use. | Some people who drink water containing endothall in excess of the MCL over many years could experience problems with their stomach or intestines. |
Endrin (ppb) | .002 | 1000 | 2 | 2 | Residue of banned insecticide. | Some people who drink water containing endrin in excess of the MCL over many years could experience liver problems. |
Epichloro-hydrin | TT | N/A | TT | 0 | Discharge from industrial chemical factories; An impurity of some water treatment chemicals. | Some people who drink water containing high levels of epichlorohydrin over a long period of time could experience stomach problems, and may have an increased risk of getting cancer. |
Ethylene dibromide (ppt) | .00005 | 1,000,000 | 50 | 0 | Discharge from petroleum refineries. | Some people who drink water containing ethylene dibromide in excess of the MCL over many years could experience problems with their liver, stomach, reproductive systems, or kidneys, and may have an increased risk of getting cancer. |
Glyphosate (ppb) | .7 | 1000 | 700 | 700 | Runoff from herbicide use. | Some people who drink water containing glyphosate in excess of the MCL over many years could experience problems with their kidneys or reproductive difficulties. |
Heptachlor (ppt) | .0004 | 1,000,000 | 400 | 0 | Residue of banned pesticide. | Some people who drink water containing heptachlor in excess of the MCL over many years could experience liver damage and may have an increased risk of getting cancer. |
Heptachlor- epoxide (ppt) | .0002 | 1,000,000 | 200 | 0 | Breakdown of heptachlor. | Some people who drink water containing heptachlor epoxide in excess of the MCL over many years could experience liver damage, and may have an increased risk of getting cancer. |
Hexachlorobenzene (ppb) | .001 | 1000 | 1 | 0 | Discharge from metal refineries and agricultural chemical factories. | Some people who drink water containing hexachlorobenzene in excess of the MCL over many years could experience problems with their liver or kidneys, or adverse reproductive effects, and may have an increased risk of getting cancer. |
Hexachlorocyclopentadiene (ppb) | .05 | 1000 | 50 | 50 | Discharge from chemical factories. | Some people who drink water containing hexachlorocyclopentadiene well in excess of the MCL over many years could experience problems with their kidneys or stomach. |
Lindane (ppt) | .0002 | 1,000,000 | 200 | 200 | Runoff/leaching from insecticide used on cattle, lumber and gardens. | Some people who drink water containing lindane in excess of the MCL over many years could experience problems with their kidneys or liver. |
Methoxychlor (ppb) | .04 | 1000 | 40 | 40 | Runoff/leaching from insecticide used on fruits, vegetables, alfalfa and livestock. | Some people who drink water containing methoxychlor in excess of the MCL over many years could experience reproductive difficulties. |
Oxamyl [Vydate] (ppb) | .2 | 1000 | 200 | 200 | Runoff/leaching from insecticide used on apples, potatoes and tomatoes. | Some people who drink water containing oxamyl in excess of the MCL over many years could experience slight nervous system effects. |
PCBs [Polychlorinated biphenyls] (ppt) | .0005 | 1,000,000 | 500 | 0 | Runoff from landfills; Discharge of waste chemicals. | Some people who drink water containing PCBs in excess of the MCL over many years could experience changes in their skin, problems with their thymus gland, immune deficiencies, or reproductive or nervous system difficulties, and may have an increased risk of getting cancer. |
PFOS and PFOA (ppt) | .000070 | 1,000,000 | 70 | 0 | Discharges at manufacturing, distribution, or storage facilities, or from hazardous and municipal waste landfills and other waste handling or treatment facilities; or at airports, military bases and fire training facilities. | Some people who drink water containing PFOS and PFOA in excess of the MCL over many years could experience health issues including fetal development, thyroid and liver effects, and increase risk of certain cancers. |
Pentachlorophenol (ppb) | .001 | 1000 | 1 | 0 | Discharge from wood preserving factories. | Some people who drink water containing pentachlorophenol in excess of the MCL over many years could experience problems with their liver or kidneys, and may have an increased risk of getting cancer. |
Picloram (ppb) | .5 | 1000 | 500 | 500 | Herbicide runoff. | Some people who drink water containing picloram in excess of the MCL over many years could experience problems with their liver. |
Simazine (ppb) | .004 | 1000 | 4 | 4 | Herbicide runoff. | Some people who drink water containing simazine in excess of the MCL over many years could experience problems with their blood. |
Toxaphene (ppb) | .003 | 1000 | 3 | 0 | Runoff/leaching from insecticide used on cotton and cattle. | Some people who drink water containing toxaphene in excess of the MCL over many years could have problems with their kidneys, liver, or thyroid, and may have an increased risk of getting cancer. |
Volatile organic contaminants: |
Benzene (ppb) | .005 | 1000 | 5 | 0 | Discharge from factories; Leaching from gas storage tanks and landfills. | Some people who drink water containing benzene in excess of the MCL over many years could experience anemia or a decrease in blood platelets, and may have an increased risk of getting cancer. |
Carbon tetrachloride (ppb) | .005 | 1000 | 5 | 0 | Discharge from chemical plants and other industrial activities. | Some people who drink water containing carbon tetrachloride in excess of the MCL over many years could experience problems with their liver and may have an increased risk of getting cancer. |
Chlorobenzene (ppb) | .1 | 1000 | 100 | 100 | Discharge from chemical and agricultural chemical factories. | Some people who drink water containing chlorobenzene in excess of the MCL over many years could experience problems with their liver or kidneys. |
0-Dichlorobenzene (ppb) | .6 | 1000 | 600 | 600 | Discharge from industrial chemical factories. | Some people who drink water containing o-dichlorobenzene well in excess of the MCL over many years could experience problems with their liver, kidneys, or circulatory systems. |
p-Dichlorobenzene (ppb) | .075 | 1000 | 75 | 75 | Discharge from industrial chemical factories. | Some people who drink water containing p-dichlorobenzene in excess of the MCL over many years could experience anemia, damage to their liver, kidneys, or spleen, or changes in their blood. |
1,2-Dichlorobenzene (ppb) | .005 | 1000 | 5 | 0 | Discharge from industrial chemical factories. | Some people who drink water containing 1,2-dichlorobenzene in excess of the MCL over many years may have an increased risk of getting cancer. |
1,1,-Dichlorobenzene (ppb) | .007 | 1000 | 7 | 7 | Discharge from industrial chemical factories. | Some people who drink water containing 1,1-dichlorobenzene in excess of the MCL over many years could experience problems with their liver. |
cis-1,2-Dichloroethylene (ppb) | .07 | 1000 | 70 | 70 | Discharge from industrial chemical factories. | Some people who drink water containing cis-1,2-dichloroethylene in excess of the MCL over many years could experience problems with their liver. |
trans-1,2-Dichloroethylene (ppb) | .1 | 1000 | 100 | 100 | Discharge from industrial chemical factories. | Some people who drink water containing trans-1,2-dichloroethylene well in excess of the MCL over many years could experience problems with their liver. |
Dichloro- methane (ppb) | .005 | 1000 | 5 | 0 | Discharge from pharmaceutical and chemical factories. | Some people who drink water containing dichloromethane in excess of the MCL over many years could have liver problems and may have an increased risk of getting cancer. |
1,2-Dichloropropane (ppb) | .005 | 1000 | 5 | 0 | Discharge from industrial chemical factories. | Some people who drink water containing 1,2-dichloropropane in excess of the MCL over many years may have an increased risk of getting cancer. |
Ethylbenzene (ppb) | .7 | 1000 | 700 | 700 | Discharge from petroleum refineries. | Some people who drink water containing ethylbenzene well in excess of the MCL over many years could experience problems with their liver or kidneys. |
Haloacetic Acids (pbb) | .060 | 1000 | 60 | N/A | By-product of drinking water disinfection. | Some people who drink water containing haloacetic acids in excess of the MCL over many years may have an increased risk of getting cancer. |
Styrene (ppb) | .1 | 1000 | 100 | 100 | Discharge from rubber and plastic factories; Leaching from landfills. | Some people who drink water containing styrene well in excess of the MCL over many years could have problems with their liver, kidneys, or circulatory system. |
Tetrachloroethylene (ppb) | .005 | 1000 | 5 | 0 | Discharge from factories and dry cleaners. | Some people who drink water containing tetrachloroethylene in excess of the MCL over many years could have problems with their liver, and may have an increased risk of getting cancer. |
1,2,4-Trichlorobenzene (ppb) | .07 | 1000 | 70 | 70 | Discharge from textile-finishing factories. | Some people who drink water containing 1,2,4-trichlorobenzene well in excess of the MCL over many years could experience changes in their adrenal glands. |
1,1,1-Trichloroethane (ppb) | .2 | 1000 | 200 | 200 | Discharge from metal degreasing sites and other factories. | Some people who drink water containing 1,1,1-trichloroethane in excess of the MCL over many years could experience problems with their liver, nervous system, or circulatory system. |
1,1,2-Trichloroethane (ppb) | .005 | 1000 | 5 | 3 | Discharge from industrial chemical factories. | Some people who drink water containing 1,1,2-trichloroethane well in excess of the MCL over many years could have problems with their liver, kidneys, or immune systems. |
Trichloroethylene (ppb) | .005 | 1000 | 5 | 0 | Discharge from metal degreasing sites and other factories. | Some people who drink water containing trichoroethylene in excess of the MCL over many years could experience problems with their liver and may have an increased risk of getting cancer. |
TTHMs [Total trihalomethanes] (ppb) | 0.10/0.80 | 1000 | 100/80 | N/A | By-product of drinking water disinfection. | Some people who drink water containing trihalomethanes in excess of the MCL over many years may experience problems with their liver, kidneys, or central nervous systems, and may have an increased risk of getting cancer. |
Toluene (ppm) | 1 | N/A | 1 | 1 | Discharge from petroleum factories. | Some people who drink water containing toluene well in excess of the MCL over many years could have problems with their nervous system, kidneys, or liver. |
Vinyl Chloride (ppb) | .0002 | 1000 | .2 | 0 | Leaching from PVC piping; Discharge from plastics factories. | Some people who drink water containing vinyl chloride in excess of the MCL over many years may have an increased risk of getting cancer. |
Xylenes (ppm) | 10 | N/A | 10 | 10 | Discharge from petroleum factories; Discharge from chemical factories. | Some people who drink water containing xylenes in excess of the MCL over many years could experience damages to their nervous system. |
Appendix A to Subchapter VII NPDWR Violations and Other Situations Requiring Public Notice1 |
MCL/MRDL/TT violations2 | Monitoring & testing procedure violations |
Contaminant | Tier of public notice required | Citation (Wis. Adm. Code) | Tier of public notice required | Citation (Wis. Adm. Code) |
I. Violations of National Primary Drinking Water Regulations:3 |
A. Microbiological Contaminants |
1. Total coliform: Monitoring or TT violations resulting from failure to perform assessments or corrective actions | 2 | NR 809.314 | 3 | NR 809.31 (9) |
1m. Total coliform: Seasonal system failure to follow department-approved start-up plan prior to serving water to the public | 2 | NR 809.314 (2) | 3 | Xx |
2. E. Coli MCL | 1 | NR 809.30 | 14, 3 | NR 809.31 (9) |
2m. E. coli: TT violations resulting from failure to perform Level 2 assessments or corrective action | 1 | NR 809.30 | 3 | Xx |
3. Turbidity MCL | 2 | NR 810.29 (1) | 3 | NR 810.38 (1) b) NR 810.38 (2) (a), NR 810.38 (2) (b) NR 810.29 |
4. Turbidity MCL (average 2 days’ samples >5 NTU) | 25, 1 | NR 810.29 (1) | 3 | NR 810.38 (1) (b) NR 810.38 (2) (a), NR 810.38 (2) (b), NR 810.29 |
5. Turbidity (for TT violations resulting from a single exceedance of maximum allowable turbidity level) | 26, 1 | NR 810.29 (1), NR 810.29 (2), NR 810.29 (3), NR 810.29 (4), NR 810.30 (1), NR 810.30 (4) (a), NR 810.30 (4) (b) | 3 | NR 810.38 (1) (b) NR 810.38 (2) (a), NR 810.38 (2) (b), NR 810.29 |
6. Surface Water Treatment Rule violations, other than violations resulting from single exceedance of max. allowable turbidity level (TT) | 2 | NR 810.27 – 810.33 | 3 | NR 810.38 |
7. Interim Enhanced Surface Water Treatment Rule violations, other than violations resulting from single exceedance of max. turbidity level (TT) | 2 | NR 810 subch. 2 | 3 | NR 810.29, NR 810.38 |
8. Filter Backwash Rule (FBWR) | 2 | NR 809.333 (3) NR 811.860 NR 811.862 | 3 | NR 810.29 |
9. Long Term 2 Enhanced Surface Water Treatment Rule violations | 2 | NR 810.34 - 810.45 | 215,3 | NR 809.331- NR 809.335 NR 810.32 (1) and (2) |
10. Source water sample positive for Groundwater Rule (GWR) fecal indicators: E. coli, enterococci, or coliphage | 1 | NR 809.325(6) | 3 | NR 809.325 (5) NR 809.327 (6) |
B. Inorganic Chemicals (IOCs) |
1. Antimony | 2 | NR 809.11 (2) | 3 | NR 809.115 (1) to (3) and (6) (a) and (c) |
2. Arsenic | 2 | NR 809.11 (2) | 3 | NR 809.115 (1) to (3) and (6) (a) and (c) |
3. Asbestos (fibers >10 m) | 2 | NR 809.11 (2) | 3 | NR 809.115(1) to (3) and (6)(a)and (c) |
4. Barium | 2 | NR 809.11 (2) | 3 | NR 809.115 (1) to (3) and (6) (a) and (c) |
5. Beryllium | 2 | NR 809.11 (2) | 3 | NR 809.115 (1) to (3) and (6) (a) and (c) |
6. Cadmium | 2 | NR 809.11 (2) | 3 | NR 809.115 (1) to (3) and (6) (a) and (c) |
7. Chromium (total) | 2 | NR 809.11 (2) | 3 | NR 809.115 (1) to (3) and (6) (a) and (c) |
8. Cyanide | 2 | NR 809.11 (2) | 3 | NR 809.115 (1) to (3) and (6) (a) and (c) |
9. Fluoride | 2 | NR 809.11 (2) | 3 | NR 809.115 (1) to (3) and (6) (a) and (c) |
10. Mercury (inorganic) | 2 | NR 809.11 (2) | 3 | NR 809.115 (1) to (3) and (6) (a) and (c) |
11. Nitrate | 1 | NR 809.11 (2) | 18, 3 | NR 809.115 (4), (5) and (6) (b) |
12. Nitrite | 1 | NR 809.11 (2) | 18, 3 | NR 809.115 (4), (5) and (6) (b) |
13. Total Nitrate and Nitrite | 1 | NR 809.11 (2) | 3 | NR 809.115 (4) and (5) |
14. Selenium | 2 | NR 809.11 (2) | 3 | NR 809.115 (1) to (3) and (6) (a) and (c) |
15. Thallium | 2 | NR 809.11 (2) | 3 | NR 809.115 (1) to (3) and (6) (a) and (c) |
C. Lead and Copper Rule (Action Level for lead is 0.015 mg/L, copper is 1.3 mg/L) |
1. Lead and Copper Rule (TT) | 2 | NR 809.541 – NR 809.55 | 3 | NR 809.541 – NR 809.55 |
D. Synthetic Organic Chemicals (SOCs) |
1. 2,4-D | 2 | NR 809.20 (1) | 3 | NR 809.205 |
2. 2,4,5-TP (Silvex) | 2 | NR 809.20 (1) | 3 | NR 809.205 |
3. Alachlor | 2 | NR 809.20 (1) | 3 | NR 809.205 |
4. Atrazine | 2 | NR 809.20 (1) | 3 | NR 809.205 |
5. Benzo(a)pyrene (PAHs) | 2 | NR 809.20 (1) | 3 | NR 809.205 |
6. Carbofuran | 2 | NR 809.20 (1) | 3 | NR 809.205 |
7. Chlordane | 2 | NR 809.20 (1) | 3 | NR 809.205 |
8. Dalapon | 2 | NR 809.20 (1) | 3 | NR 809.205 |
9. Di (2-ethylhexyl) adipate | 2 | NR 809.20 (1) | 3 | NR 809.205 |
10. Di (2-ethylhexyl) phthalate | 2 | NR 809.20 (1) | 3 | NR 809.205 |
11. Dibromochloropropane | 2 | NR 809.20 (1) | 3 | NR809.205 |
12. Dinoseb | 2 | NR 809.20 (1) | 3 | NR 809.205 |
13. Dioxin (2, 3, 7, 8-TCDD) | 2 | NR 809.20 (1) | 3 | NR809.205 |
14. Diquat | 2 | NR 809.20 (1) | 3 | NR 809.205 |
15. Endothall | 2 | NR 809.20 (1) | 3 | NR 809.205 |
16. Endrin | 2 | NR 809.20 (1) | 3 | NR 809.205 |
17. Ethylene dibromide | 2 | NR 809.20 (1) | 3 | NR 809.205 |
18. Glyphosate | 2 | NR 809.20 (1) | 3 | NR 809.205 |
19. Heptachlor | 2 | NR 809.20 (1) | 3 | NR 809.205 |
20. Heptachlor epoxide | 2 | NR 809.20 (1) | 3 | NR 809.205 |
21. Hexachlorobenzene | 2 | NR 809.20 (1) | 3 | NR 809.205 |
22. Hexachlorocyclo-pentadiene | 2 | NR 809.20 (1) | 3 | NR 809.205 |
23. Lindane | 2 | NR 809.20 (1) | 3 | NR 809.205 |
24. Methoxychlor | 2 | NR 809.20 (1) | 3 | NR 809.205 |
25. Oxamyl (Vydate) | 2 | NR 809.20 (1) | 3 | NR 809.205 |
26. Pentachlorophenol | 2 | NR 809.20 (1) | 3 | NR 809.205 |
27. Picloram | 2 | NR 809.20 (1) | 3 | NR 809.205 |
28. Polychlorinated biphenyls | 2 | NR 809.20 (1) | 3 | NR 809.205 |
29. Simazine | 2 | NR 809.20 (1) | 3 | NR 809.205 |
30. Toxaphene | 2 | NR 809.20 (1) | 3 | NR 809.205 |
27. Perfluorooctane sulfonic acid (PFOS) | 2 | NR 809.20 (1) | 3 | NR 809.205 |
28. Perfluorooctanoic acid (PFOA) | 2 | NR 809.20 (1) | 3 | NR 809.205 |
29. Picloram | 2 | NR 809.20 (1) | 3 | NR 809.205 |
30. Polychlorinated biphenyls | 2 | NR 809.20 (1) | 3 | NR 809.205 |
31. Simazine | 2 | NR 809.20 (1) | 3 | NR 809.205 |
32. Toxaphene | 2 | NR 809.20 (1) | 3 | NR 809.205 |
E. Volatile Organic Chemicals (VOCs) | 2 | NR 809.24 (1) | 3 | NR 809.245 |
1. Benzene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
2. Carbon tetrachloride | 2 | NR 809.24 (1) | 3 | NR 809.245 |
3. Chlorobenzene (monochlorobenzene) | 2 | NR 809.24 (1) | 3 | NR 809.245 |
4. o-Dichlorobenzene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
5. p-Dichlorobenzene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
6. 1,2-Dichloroethane | 2 | NR 809.24 (1) | 3 | NR 809.245 |
7. 1,1-Dichloroethylene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
8. cis-1,2-Dichloroethylene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
9. trans-1,2-Dichloroethylene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
10. Dichloromethane | 2 | NR 809.24 (1) | 3 | NR 809.245 |
11. 1,2-Dichloropropane | 2 | NR 809.24 (1) | 3 | NR 809.245 |
12. Ethylbenzene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
13. Styrene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
14. Tetrachloroethylene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
15. Toluene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
16. 1,2,4-Trichlorobenzene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
17. 1,1,1-Trichloroethane | 2 | NR 809.24 (1) | 3 | NR 809.245 |
18. 1,1,2-Trichloroethane | 2 | NR 809.24 (1) | 3 | NR 809.245 |
19. Trichloroethylene | 2 | NR 809.24 (1) | 3 | NR 809.245 |
20. Vinyl chloride | 2 | NR 809.24 (1) | 3 | NR 809.245 |
21. Xylenes (total) | 2 | NR 809.24 (1) | 3 | NR 809.245 |
F. Radioactive Contaminants |
1. Beta/photon emitters | 2 | NR 809.51 | 3 | NR 809.52 (1), NR 809.53 (2) |
2. Alpha emitters | 2 | NR 809.50 (2) | 3 | NR 809.52 (1), NR 809.53 (1) |
3. Combined radium (226 & 228) | 2 | NR 809.50 (1) | 3 | NR 809.52 (1), NR 809.53 (1) |
G. Disinfection Byproducts (DBPs), Byproduct Precursors, Disinfectant Residuals. Where disinfection is used in the treatment of drinking water, disinfectants combine with organic and inorganic matter present in water to form chemicals called disinfection byproducts. EPA sets standards for controlling the levels of disinfectants and disinfection byproducts in drinking water, including trihalomethanes and haloacetic acids. 9 |
1. Total trihalomethanes | 2 | NR 809.561 (1) | 3 | NR 809.565(1)-(2) |
2. Haloacetic Acids | 2 | NR 809.561 (1) | 3 | NR 809.565(1)-(2) |
3. Bromate | 2 | NR 809.561 (2) | 3 | NR 809.565(1), (3) |
4. Chlorite | 2 | NR 809.561 (2) | 3 | NR 809.565(1), (3) |
5. Chlorine (MRDL) | 2 | NR 809.561 (2) NR 809.566 (3) (a) | 2 | NR 809.565(1), (4) NR 809.566(3)(a) |
6. Chloramine (MRDL) | 2 | NR 809.561 (2) NR 809.566 (3) (a) | 3 | NR 809.565(1), (4) NR 809.566(3)(a) |
7. Chlorine dioxide (MRDL), where any 2 consecutive daily samples at entrance to distribution system only are above MRDL | 2 | NR 809.566(1), (3) (b) | 2, 311 | NR 809.565(1), (4) |
8. Chlorine dioxide (MRDL), where samples in distribution system the next day are also above MRDL | 110 | NR 809.566 (1), (3) (b) | 1 | NR 809.565(1), (4) |
9. Control of disinfection byproducts precursors – TOC (TT) | 2 | NR 809.569 | 3 | NR 809.565(1),(5) |
10. Bench marking and disinfection profiling | N/A | N/A | 3 | NR 810.32 |
11. Development of monitoring plan | N/A | N/A | 3 | NR 809.565 (6) |
H. Other Treatment Techniques |
1. Acrylamide (TT) | 2 | NR 809.25 (4) | N/A | N/A |
2. Epichlorohydrin (TT) | 2 | NR 809.25 (4) | N/A | N/A |
II. Unregulated Contaminant Monitoring:12 |
A. Unregulated contaminants | N/A | N/A | 3 | NR 809.25; 40 CFR Part 141, Section 141.40 |
B. Nickel | N/A | N/A | 3 | NR 809.115 (3) Table A |
III. Public Notification for Conditional Waivers and Variances |
A. Operation under a conditional waiver or variance | 3 | NR 809.90, NR 809.91 | N/A | N/A |
B. Violation of a conditional waiver or variance | 2 | NR 809 Subch. VI | N/A | N/A |
MCL/MRDL/TT violations2 | Monitoring & testing procedure violations |
Contaminant | Tier of public notice required | Citation (Wis. Adm. Code) | Tier of public notice required | Citation (Wis. Adm. Code) |
IV. Other Situations Requiring Public Notification: |
A. Fluoride secondary maximum contaminant level exceedance | 3 | NR 809.70 | N/A | N/A |
B. Exceedance of nitrate MCL for non-community systems, as allowed by the department | 1 | NR 809.11 (3) | N/A | N/A |
C. Availability of unregulated contaminant monitoring data | 3 | NR 809.956 | N/A | N/A |
D. Waterborne disease outbreak | 1 | NR 809.04 (90) NR 809.80 (6) (e), NR 809.951 (1) (b) 7. | N/A | N/A |
E. Other waterborne emergency13 | 1 | NR 809.951 (1) (b) 8. | N/A | N/A |
F. Other situations as determined by the department | 1, 2, 314 | N/A | N/A | N/A |
G. Groundwater Rule TT violations for failure to complete corrective actions according to a state approved schedule | 2 | NR 809.328(2) | N/A | N/A |
