NR 345.04(1)(d)2. 2. The dredging may not be located in an area of special natural resource interest, or where there are public rights features as described in s. NR 1.06, or in perennial tributaries to surface waters identified as trout streams by the department in s. NR 1.02 (7).

NR 345.04(1)(d)3. 3. The dredged material may not contain any hazardous substance as defined in s. NR 345.03 (7).

NR 345.04(1)(d)4. 4. For each riparian property, the amount of bottom material dredged from a specific waterbody may not exceed 100 square feet in surface area and one foot in depth in a calendar year.

NR 345.04(1)(d)5. 5. Any dredged material removed from the waterbody may not be temporarily or permanently placed in a wetland, floodway or re-deposited below the ordinary high water mark of a navigable waterway.

NR 345.04(1)(d)6. 6. Erosion control measures shall meet or exceed the technical standards for erosion control approved by the department under subch. V of ch. NR 151. Any area where topsoil is exposed during construction shall be immediately seeded and mulched or riprapped to stabilize disturbed areas and prevent soils from being eroded and washed into the waterway.

NR 345.04 Note Note: These standards can be found at the following website: http://dnr.wi.gov/topic/stormwater/standards/.

NR 345.04(1)(d)7. 7. Mechanical equipment may not be operated below the ordinary high water mark or on the bed of a navigable waterway.

NR 345.04(1)(d)8. 8. The applicant is the riparian owner or has permission of the riparian owner to remove bottom material.

NR 345.04 Note Note: When the state is the riparian property owner, the requirements of s. NR 45.04 shall be met.

NR 345.04(1)(d)9. 9. To stop the spread of invasive species and viruses from one navigable waterway to another navigable waterway, all equipment or portions of equipment used for constructing, operating, or maintaining the project, including tracked vehicles, barges, boats, silt or turbidity curtains, hoses, sheet piles, and pumps, shall be decontaminated for invasive species and viruses before and after use or prior to use within another navigable waterway. Decontamination activities shall be performed by taking actions specified in subd. 9. a. to c. or h. Decontamination shall include either subd. 9. d., e., f., g., or h. for any equipment, or portions of equipment, that is used in non-frozen navigable waters when the air temperature is above 19 degrees Fahrenheit at the time the decontamination procedures take place.

NR 345.04(1)(d)9.a. a. Inspect all equipment used for constructing, operating, or maintaining the project and remove all plants and animals, and other mud, debris, etc.

NR 345.04(1)(d)9.b. b. Drain all water from equipment used in navigable waters.

NR 345.04 Note Note: This does not apply to water in closed engine cooling systems or water tanks, or containers of potable drinking water or other beverages meant for human consumption. If a tanker truck discharges water collected from navigable waters in upland areas, the tank does not require disinfection.

NR 345.04(1)(d)9.c. c. Dispose of plants and animals in the trash. An operator may not transfer plants or animals or water from one navigable waterway to another.

NR 345.04(1)(d)9.d. d. Wash equipment at a temperature of not less than 212 degrees Fahrenheit water (steam clean).

NR 345.04(1)(d)9.e. e. Wash equipment with soap and water or high pressure water of not less than 2000 pounds per square inch.

NR 345.04(1)(d)9.f. f. Allow equipment to dry thoroughly for not less than 5 days.

NR 345.04 Note Note: Additional drying techniques including drying through natural or mechanical means or changes in drying duration may be submitted to the department for review and approval.

NR 345.04(1)(d)9.g. g. Disinfect equipment with 200 parts per million (0.5 ounces per gallon) chlorine for not less than 10 minute contact time. Every effort should be made to keep the disinfection solution and rinse water out of surface waters.

NR 345.04 Note Note: Chlorine refers to either household bleach solution (5.25% chlorine) or granular chlorine (70% calcium hypochlorite).

NR 345.04(1)(d)9.h. h. Follow the most recent department approved disinfection protocols or department approved best management practices for infested waters. The department shall maintain on its website and make available at its offices a list of the most recent disinfection protocols or department approved best management practices for invasive species and viruses.

NR 345.04 Note Note: See the department’s website at http://dnr.wi.gov under the topic “Waterway and Wetlands”. Recommendations for additional disinfection or decontamination protocols or department approved best management practices may be submitted to the department for review and approval to be added to this list.

NR 345.04(1)(e) (e) Standards for dredging necessary to place or maintain an exempt structure under s. 30.20 (1g) (b) 1., Stats. The standards for this activity are contained in the rules that describe the exempt structures.

NR 345.04 Note Note: Chapters NR 320, 323, 326, 328 and 329 contain rules regarding various exempt activities including culvert replacement, habitat structures, piers, boat shelters, riprap replacement, intake and outfall structures and dry fire hydrants.

NR 345.04(1)(f) (f) Permit required.

NR 345.04(1)(f)1. 1. Activities which do not meet the standards in par. (c), (d) or (e) are determined ineligible for an exemption by the department shall require a general permit or contract or individual permit or contract.

NR 345.04(1)(f)2. 2. The department has the authority under s. 30.20 (1m), Stats., to require a permit in lieu of exemption.

NR 345.04(2) (2) General permits.

NR 345.04(2)(a) (a) Procedures.