NR 104.02(3)(b)1.1. ‘Applicability.’ This variance category may be applied to the continuous or noncontinuous stream hydrologic classification, except that it shall be applied to all surface waters classified as effluent channel, wetland or diffuse surface water. NR 104.02(3)(b)2.2. ‘Surface water criteria.’ The following surface water quality criteria shall be met in all surface waters included in this variance category: NR 104.02(3)(b)2.c.c. All other substances shall meet the acute and chronic toxicity criteria for the limited aquatic life subcategory specified in or developed pursuant to ss. NR 105.05 and 105.06. NR 104.02(3)(b)3.a.a. The effluent limitations determined necessary to meet the surface water criteria listed above are enumerated in table 2. NR 104.02(3)(b)3.b.b. Unless otherwise specified in table 2 above, effluent limitations for sewage treatment works shall be as adopted in ch. NR 210. NR 104.02(3)(b)3.c.c. In addition to the effluent limitations enumerated in table 2, effluent limitations for these and any other substance necessary to protect assigned uses shall be met, including water quality based limitations necessary to meet the criteria for limited aquatic life surface water specified in or developed pursuant to ss. NR 105.05 and 105.06. NR 104.02(4)(4) Other classifications and effluent criteria. NR 104.02(4)(a)(a) Surface waters significant to the environmental integrity of the state or region. Under all hydrologic categories, the department reserves the right to require other effluent limitations, including allocation of wasteloads for organic material, toxicants and chlorine residuals if it is determined that the specified surface water is important to the overall environmental integrity of the area. In waters identified as trout streams, located in scientific areas or wild and scenic areas, providing endangered species habitat or of high recreational potential, effluent criteria will be evaluated on a case-by-case basis. NR 104.02(4)(b)1.1. ‘Streams.’ Where flowing streams or rivers are specified to achieve fish and aquatic life criteria, wasteload allocation for organic material, toxicants and chlorine residuals shall determine effluent criteria necessary to achieve that standard. NR 104.02(4)(b)2.2. ‘Lakes and flowages.’ Effluent characteristics for discharges to lakes or flowages shall be based upon an evaluation of water quality necessary to protect fish and aquatic life taking into account mixing zone and nutrient removal criteria. NR 104.02(4)(b)3.3. ‘Minimum effluent criteria.’ If it can be reasonably demonstrated that the quality of the surface water is independent of a wastewater discharge, effluent limitations established under ss. 283.13 and 283.19, Stats., shall apply. NR 104.02(4)(c)(c) Wastewater treatment lagoons. Effluents from fill-and-draw wastewater treatment lagoons or domestic waste stabilization ponds discharging to waters receiving a variance in this chapter may be permitted to vary from the limitations specified in table 1 or 2 provided the following conditions are met: NR 104.02(4)(c)1.1. The discharge occurs only during the spring and fall of the year when the flow in the receiving water is normally high, and the temperature is low. The rate of discharge shall not exceed that specified in a permit under s. 283.31, Stats., or where no rate is indicated, the allowable discharge quantities shall be determined by the department based upon current evaluation of the receiving water. NR 104.02(4)(c)2.2. In lieu of the previous conditions, the discharge from a fill-and-draw lagoon may occur at any time provided the rate does not exceed the assimilative capacity of the receiving water as specified in a permit under s. 283.31, Stats. NR 104.02(4)(c)3.3. The dissolved oxygen in the effluent is maintained at a level greater than or equal to 4 mg/L, and the permitted rate of discharge shall be such that the dissolved oxygen and ammonia nitrogen criteria necessary to sustain fish and aquatic life are maintained in the stream during the period of discharge. NR 104.02(5)(5) Changes in classification. Surface waters which exhibit changing hydrologic and quality characteristics shall be classified accordingly. Effluent criteria for upstream discharges shall be based upon the most critical downstream classification and shall be specified by the department either on the basis of justified inference or by the application of a wasteload allocation analysis. Any subsequent changes in a stream’s morphology or potential may necessitate the reevaluation of the classification. NR 104.02 HistoryHistory: Cr. Register, September, 1976, No. 249, eff. 10-1-76; am. Tables 1 and 2, (2), (3) (a) 2a and d., (3) (b) 2a and c., (4) (c), Register, December, 1977, No. 264, eff. 1-1-78; am. (3) (a) 2a, Register, June, 1978, No. 270, eff. 7-1-78; am. (1) (c), Register, June, 1984, No. 342, eff. 2-1-84; r. (3) (a) 2. b. to d., (b) 2. b. and c., renum. (3) (a) 2. e. to g. and (3) (b) 2. d. and e. to be (3) (a) 2. b. to d. and (3) (b) 2. b. and c. and am (3) (a) 2. g. and (3) (b) 2. c., am. (3) (a) 3. a. and (3) (b) 3. a., Register, October, 1986, No. 370, eff. 11-1-86; am. (1) (intro.), (2) (b), (3) (a) (intro.) and 3. c., and (3) (b) 3. c., r. and recr. (3) (a) 2. d. and (3) (b) 2. c., Register, February, 1989, No. 398, eff. 3-1-89; CR 03-050: r. (3) (a) 2. b., am. Table 1 Register February 2004 No. 578, eff. 3-1-04; correction in (1) made under s. 13.92 (4) (b) 7., Stats., Register May 2020 No. 773; correction in (1) made under s. 13.92 (4) (b) 7., Stats., Register September 2020 No. 777. NR 104.04NR 104.04 Provision for changes. The surface waters specified in this chapter are not intended to be an exclusive listing nor do the specified effluent criteria purport to meet the 1983 water quality goals set forth in ch. 283, Stats. Additions to or deletions from these listings may be made based upon the accumulation of information necessary to make such determination and in accordance with the requirements of ch. 227, Stats. NR 104.04 HistoryHistory: Cr. Register, September, 1976, No. 249, eff. 10-1-76. NR 104.05NR 104.05 Variances and additions applicable in the southern district. Subject to the provision of s. NR 104.04, intrastate surface waters in the southern district counties of Columbia, Dane, Dodge, Grant, Green, Iowa, Jefferson, Lafayette, Richland, Rock and Sauk shall meet the criteria for fish and aquatic life and recreational use with exceptions and additions as follows: NR 104.05(1)(1) Addition. The public water supply standard shall be met on the Wisconsin river in section 8, township 10 north, range 7 east. NR 104.05(2)(2) Variance. Surface waters in the southern district subject to a variance under s. NR 104.02 (3) are listed in table 3. NR 104.05 HistoryHistory: Cr. Register, September, 1976, No. 249, eff. 10-1-76; am. table 3, r. (3), Register, December, 1977, No. 264, eff. 1-1-78; correction in Table 3 made under s. 13.92 (4) (b) 6., Stats. NR 104.06NR 104.06 Variances and additions applicable in the southeast district. Subject to the provisions of s. NR 104.04, intrastate surface waters in the southeast district counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington and Waukesha shall meet the criteria for fish and aquatic life and recreational use with exceptions and additions as follows. NR 104.06(1)(1) Variance. Surface waters in the southeast district subject to a variance under s. NR 104.02 (3) are listed in table 4. NR 104.06(2)(a)(a) The following surface waters in the southeast district shall meet the standards for fish and aquatic life except that the dissolved oxygen shall not be lowered to less than 2 mg/L at any time: NR 104.06(2)(a)1.1. Underwood creek in Milwaukee and Waukesha counties below Juneau boulevard. NR 104.06(2)(a)7.7. Menomonee river in Milwaukee county below the confluence with Honey creek. NR 104.06(2)(b)(b) The following surface waters in the southeast district shall meet the standards for fish and aquatic life except that the dissolved oxygen may not be lowered to less than 2 mg/L at any time nor may the ambient water temperature exceed 89°F at any time at the edge of the mixing zones established by the department under s. NR 102.05 (3): NR 104.06(2)(b)1.1. Milwaukee river in Milwaukee county downstream from the North Avenue dam. NR 104.06 HistoryHistory: Cr. Register, September, 1976, No. 249, eff. 10-1-76; am. Table 4, Register, December, 1977, No. 264, eff. 1-1-78; reprinted to correct error in table 4, line 11, Register, August, 1982, No. 320; am. (2) (b), Register, February, 1989, No. 398, eff. 3-1-89; CR 19-014: am. (2) (a) (intro.), (b) (intro.) Regsiter April 2020 No. 772, eff. 5-1-20. NR 104.07NR 104.07 Variances and additions applicable in the Lake Michigan district. Subject to the provisions of s. NR 104.04, intrastate surface waters in the Lake Michigan district counties of Brown, Calumet, Door, Florence, Fond du Lac, Green Lake, Kewaunee, Manitowoc, Marinette, Marquette, Menominee, Oconto, Outagamie, Shawano, Sheboygan, Waupaca, Waushara and Winnebago shall meet the criteria for fish and aquatic life and recreational use with exceptions and additions as follows: NR 104.07(1)(1) Addition. The public water supply standard shall be met in the following surface waters: NR 104.07(1)(b)(b) Fox river from Lake Winnebago downstream to the upper dam in the city of Appleton. NR 104.07(2)(2) Variance. Surface waters in the Lake Michigan district subject to a variance under s. NR 104.02 (3) are listed in table 5. NR 104.07 HistoryHistory: Cr. Register, September, 1976, No. 249, eff. 10-1-76; am. Table 5, Register, December, 1977, No. 264, eff. 1-1-76; r. entry 46, Table 5, Register, July, 1981, No. 307, eff. 8-1-81; r. and recr. (3) Register, August, 1981, No. 308, eff. 9-1-81; r. (3) (a), Register, May, 1986, No. 365, eff. 6-1-86; r. (3), Register, November, 1989, No. 407, eff. 12-1-89. NR 104.08NR 104.08 Variances and additions applicable in the north central district. Subject to the provisions of s. NR 104.04, intrastate waters in the north central district counties of Adams, Forest, Juneau, Langlade, Lincoln, Marathon, Oneida, Portage, Vilas and Wood shall meet the criteria for fish and aquatic life and recreational use with exceptions and additions as follows: NR 104.08(1)(1) Addition. The public water supply standards shall be met in Lake Nepco in Wood county. NR 104.08(2)(2) Variance. Surface waters in the north central district subject to a variance under s. NR 104.02 (3) are listed in table 6. NR 104.08(3)(a)(a) The Wisconsin river from the Rhinelander dam downstream to Crescent creek shall meet the standards for fish and aquatic life and recreational use except that the dissolved oxygen shall not be lowered to less than 3.0 mg/L at any time. This variance to the 5.0 mg/L dissolved oxygen criterion provided by this subsection shall expire on June 30, 1984. NR 104.08 HistoryHistory: Cr. Register, September, 1976, No. 249, eff. 10-1-76; am. Table 6, Register, December, 1977, No. 264, eff. 1-1-78; am. Table 6, entry 10, Register, June, 1978, No. 270, eff. 7-1-78; r. and recr. (3), Register, August, 1981, No. 308, eff. 9-1-81. NR 104.09NR 104.09 Variances and additions applicable in the west central district. Subject to the provisions of s. NR 104.04, intrastate waters in the west central district counties of Barron, Buffalo, Chippewa, Clark, Crawford, Dunn, Eau Claire, Jackson, La Crosse, Monroe, Pepin, Pierce, Polk, St. Croix, Trempealeau and Vernon shall meet the criteria for fish and aquatic life and recreational use with exceptions and additions as follows: NR 104.09(1)(1) Addition. The public water supply standard shall be met in the following surface waters: NR 104.09(2)(2) Variance. Surface waters in the west central district subject to a variance under s. NR 104.02 (3) are listed in table 7. NR 104.09 HistoryHistory: Cr. Register, September, 1976, No. 249, eff. 10-1-76; am. table 6, Register, December, 1977, No. 264, eff. 1-1-78; r. (2) table 7, entry 28, Register, September, 1981, No. 309, eff. 10-1-81. NR 104.10NR 104.10 Variances and additions applicable in the northwest district. Subject to the provisions of s. NR 104.04, intrastate waters in the northwest district counties of Ashland, Bayfield, Burnett, Douglas, Iron, Price, Rusk, Sawyer, Taylor and Washburn shall meet the criteria for fish and aquatic life and recreational use with exceptions and additions as follows: NR 104.10(1)(1) Addition. The public water supply standard shall be met in the following surface waters: NR 104.10(2)(2) Variance. Surface waters in the northwest district subject to a variance under s. NR 104.02 (3) are listed in table 8. NR 104.10(3)(a)(a) The Flambeau river from the upper dam at Park Falls downstream to the Crowley dam shall meet the standards for fish and aquatic life and recreational use, except that the dissolved oxygen may not be lowered to less than 3.0 mg/L at any time. On June 30, 1984, this variance shall expire and after that date all portions of the Flambeau river shall meet the standards for fish and aquatic life and recreational use, including the dissolved oxygen standard of 5.0 mg/L. NR 104.10(3)(b)(b) Newton creek in the city of Superior, from the headwaters to its mouth into Hog Island Inlet of Superior Bay shall be classified as a noncontinuous stream and shall also be classified for fish and aquatic life uses with the subcategory of limited forage fish communities. Hog Island Inlet and Superior Bay shall be classified for fish and other aquatic life uses with the subcategory of great lake communities. NR 104.10 HistoryHistory: Cr. Register, September, 1976, No. 249, eff. 10-1-76; am. table 8, Register, December, 1977, No. 264, eff. 1-1-78; cr. entry 27, table 8, Register, September, 1981, No. 309, eff. 10-1-81; am. (3) (a), Register, May, 1983, No. 329, eff. 6-1-83; am. (3) (b), Register, February, 1989, No. 398, eff. 3-1-89; am. (3) (b), Register, April, 1991, No. 424, eff. 5-1-91. NR 104.20NR 104.20 Wisconsin-Illinois waters.
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Chs. NR 100-199; Environmental Protection – General
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