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NR 328.04(5) (5)Riprap repair. Existing riprap may be repaired subject to the requirements and limitations of sub. (3) and this subsection:
NR 328.04(5)(a) (a) Riprap repair may not exceed 300 linear feet of shoreline located on an inland lake or flowage.
NR 328.04(5)(b) (b) Riprap repair may only involve placement of additional rock or redistribution of existing rock within the footprint of the existing riprap.
NR 328.04(5)(c) (c) Addition of rock may only occur no more than once every 5 years.
NR 328.04(5)(d) (d) A deposit of sand, gravel or stone under s. 30.12 (1g) (a), Stats., other than the riprap itself, may be not associated with the riprap repair.
NR 328.04(5)(e) (e) Except as provided in pars. (a), (b), (c) and (d), the riprap repair shall meet the conditions of the original permit.
NR 328.04(5)(f) (f) Where riprap was not previously permitted, the riprap repair shall meet the following conditions in addition to the requirements of pars. (a) to (d):
NR 328.04(5)(f)1. 1. Repair shall be outside of sensitive areas identified in ch. NR 107.
NR 328.04(5)(f)2. 2. Repair shall be located along moderate or high energy shorelines, based on the calculation of storm wave height calculated in s. NR 328.08 (1).
NR 328.04(5)(f)3. 3. Riprap may not be placed at an elevation higher than the ordinary high water mark plus the storm-wave height as calculated in s. NR 328.08. For waters subject to subch. II, riprap may not be placed at an elevation higher than the ordinary high water mark plus 1.5 times the storm-wave height calculated in s. NR 328.08.
NR 328.04 Note Note: The listed waters in subch. II are typified by following conditions – impounded; 2500 acres and larger; extensive water level fluctuation; high shoreline recession rates; historic loss of shoreline vegetation.
NR 328.04(5)(f)4. 4. The toe of the riprap may not extend more than 6 feet waterward of the ordinary high water mark.
NR 328.04(5)(f)5. 5. Riprap shall be clean fieldstone or quarry stone 6 to 24 inches in diameter.
NR 328.04(6) (6)Riprap replacement. Replacement of existing riprap is subject to the requirements and limitations of sub. (3) and this subsection:
NR 328.04(6)(a) (a) Riprap replacement may not exceed 100 linear feet of shoreline located on an inland lake or flowage.
NR 328.04(6)(b) (b) Riprap replacement may occur no more than once every 5 years.
NR 328.04(6)(c) (c) A deposit of sand, gravel or stone under s. 30.12 (1g) (a), Stats., may be associated with the riprap replacement provided the deposit is limited to the area immediately underneath the riprap and is less than 2 cubic yards, not including the riprap itself or clean washed gravel provided under par. (e) 7.
NR 328.04(6)(d) (d) Except as provided in pars. (a), (b) and (c), the riprap replacement shall meet the conditions of the original permit.
NR 328.04(6)(e) (e) Where the riprap was not previously permitted, the riprap replacement shall meet the following conditions in addition to the requirements of pars. (a) to (c):
NR 328.04(6)(e)1. 1. Replacement shall be outside of sensitive areas identified in ch. NR 107.
NR 328.04(6)(e)2. 2. Replacement shall be located along moderate or high energy shorelines, based on the calculation of storm wave height calculated in s. NR 328.08 (1).
NR 328.04(6)(e)3. 3. Riprap may not be placed at an elevation higher than the ordinary high water mark plus the storm-wave height as calculated in s. NR 328.08 (1). For waters subject to subch. II, riprap may not be placed at an elevation higher than the ordinary high water mark plus 1.5 times the storm-wave height calculated in s. NR 328.08.
NR 328.04 Note Note: The listed waters in subch. II are typified by following conditions – impounded; 2500 acres and larger; extensive water level fluctuation; high shoreline recession rates; historic loss of shoreline vegetation.
NR 328.04(6)(e)4. 4. The toe of the riprap may not extend more than 6 feet waterward of the ordinary high water mark.
NR 328.04(6)(e)5. 5. Riprap shall be clean fieldstone or quarry stone 6 to 24 inches in diameter.
NR 328.04(6)(e)6. 6. The final riprap slope may not exceed (be steeper than) 2 feet horizontal to one foot vertical.
NR 328.04(6)(e)7. 7. Filter cloth or clean-washed gravel shall be used as a filter layer under the riprap to extend the life of the structure, improve effectiveness and prevent soil erosion behind the riprap.
NR 328.04(6)(e)8. 8. Riprap or other vegetated armoring along moderate energy sites shall be re-vegetated above the ordinary high water mark by using native plantings which may include native non-woody plants, native shrub plantings, native live stakes or native jointed plantings.
NR 328.04(6)(e)9. 9. The applicant can document, using historical information and photos, the previous placement of riprap.
NR 328.04(6)(e)10. 10. The applicant can demonstrate that the replacement structure is within the footprint of the previous structure.
NR 328.04(7) (7)Permit required.
NR 328.04(7)(a)(a) Activities which do not meet the standards in sub. (3) and either sub. (4), (5) or (6) or are determined ineligible for an exemption by the department shall require a general permit or individual permit.
NR 328.04(7)(b) (b) The department has the authority under s. 30.12 (1m), Stats., to require a permit in lieu of exemption.
NR 328.04 History History: CR 02-099: cr. Register April 2005 No. 592, eff. 5-1-05; CR 07-094: cr. (3) (j) Register November 2008 No. 635, eff. 12-1-08.
NR 328.05 NR 328.05General permits.
NR 328.05(1) (1)Procedures.
NR 328.05(1)(a)(a) General permits shall be processed according to the procedures in ch. NR 310.
NR 328.05(1)(b) (b) If the department determines that a proposal submitted under this section has the potential to impact an endangered or threatened species in accordance with s. 29.604, Stats., the application shall be deemed incomplete. The department may not consider the application complete or issue a general permit until the applicant submits documentation to demonstrate one of the following:
NR 328.05(1)(b)1. 1. The project avoids impacts to the endangered or threatened species in accordance with s. 29.604, Stats.
NR 328.05(1)(b)2. 2. The project has received an incidental take authorization under s. 29.604, Stats.
NR 328.05(1)(c) (c) If the applicant modifies the project plans to meet the requirements of par. (b), the modified plans shall be submitted before the department may consider the application complete or issue a general permit.
NR 328.05(2) (2)Applicable activities. Biological shore erosion control that meets all the criteria in sub. (3) shall be eligible for general permit coverage under ss. 30.12 (3) (d) and 30.206, Stats. Riprap that meets all the criteria in sub. (4), (5) or (6) shall be eligible for general permit coverage under ss. 30.12 (3) (a) 3g. and (d) and 30.206, Stats. Seawall replacement that meets all the criteria in sub. (7) shall be eligible for general permit coverage under ss. 30.12 (3) (a) 13. and 30.206, Stats.
NR 328.05 Note Note: Eligibility for an exemption or general permit does not automatically result in a federal permit or state water quality certification for fill in wetlands. Some projects involving minimal wetland fill may be eligible for authorization under a U.S. Army Corps of Engineers general permit which has already been granted state water quality certification or a general permit under s. 281.36 (3g) (b), Stats. (under development). All other projects affecting wetlands will require individual water quality certification including public notice as required by s. 401, Federal Clean Water Act, and s. 281.36 (3b) (b), Stats., and carried out under chs. NR 103 and 299. For further instructions, see the department's website at http://dnr.wi.gov under the topic “Waterway and Wetland Permits."
NR 328.05(3) (3)Biological shore erosion control. Biological shore erosion control structures may be authorized under this general permit if it meets all of the requirements of s. NR 328.04 (3) and (4) with the exception that it may be located in an area of special natural resource interest.
NR 328.05(4) (4)Riprap repair or replacement. Repair of riprap or replacement of riprap on the bed or bank of a navigable water may be authorized under this general permit if it meets all of the requirements of s. NR 328.04 (3) with the exception that it may be located in an area of special natural resource interest, and with additional limitations as follows:
NR 328.05(4)(a) (a) Riprap replacement may not exceed 100 linear feet of shoreline located on an inland lake or flowage.
NR 328.05(4)(b) (b) Riprap repair may not exceed 300 linear feet of shoreline located on an inland lake or flowage.
NR 328.05(4)(c) (c) Riprap repair/replacement may occur no more than once every 5 years.
NR 328.05(4)(d) (d) A deposit of sand, gravel or stone under s. 30.12 (1g) (a), Stats., may be associated with the riprap replacement provided the deposit is limited to the area immediately underneath the riprap and is less than 2 cubic yards, not including the riprap itself or clean washed gravel provide under par. (L).
NR 328.05(4)(e) (e) The repair/replacement will not disturb sensitive areas identified in ch. NR 107.
NR 328.05(4)(f) (f) The applicant can document, using historical information and photos, the previous placement of riprap.
NR 328.05(4)(g) (g) The applicant can demonstrate that the replacement structure is within the footprint of the previous structures.
NR 328.05(4)(h) (h) Riprap may not be placed at an elevation higher than the ordinary high water mark plus the storm-wave height as calculated in s. NR 328.08 (1).
NR 328.05(4)(i) (i) The toe of the riprap may not extend more than 8 feet waterward of the ordinary high water mark.
NR 328.05(4)(j) (j) For replacement, the final riprap slope may not exceed (be steeper than) 2 feet horizontal to one foot vertical.
NR 328.05(4)(k) (k) Riprap shall be clean fieldstone or quarry stone 6 to 24 inches in diameter.
NR 328.05(4)(L) (L) For replacement projects, the filter cloth or clean-washed gravel shall be used as a filter layer under the riprap to extend the life of the structure, improve effectiveness and prevent soil erosion behind the riprap.
NR 328.05(4)(m) (m) Riprap or other vegetated armoring shall be re-vegetated above the ordinary high water mark by using native plantings which may include native non-woody plants, native shrub plantings, native live stakes or native jointed plantings.
NR 328.05(5) (5)Riprap or vegetated armoring. Riprap or vegetated armoring on the bed or bank of a lake or flowage may be authorized under this general permit if it meets all of the requirements of s. NR 328.04 (3) with the exception that it may be located in an area of special natural resource interest, and with additional limitations as follows:
NR 328.05(5)(a) (a) Riprap or vegetated armoring may not exceed 200 linear feet of shoreline.
NR 328.05(5)(b) (b) The project site is a moderate or high energy site; or a low energy site where the bank-edge recession described in s. NR 328.08 (3) is equal to or greater than 0.5 feet per year and the applicant can show a biological erosion control structure was previously placed according to the standards in s. NR 328.04 (3) and (4).
NR 328.05 Note Note: NR 328.08 (3) requires that the time between separate measurements shall equal or exceed 3 months during the open-water season.
NR 328.05 Note Note: The applicant will satisfy the “equal to or greater than 0.5 feet per year" requirement by demonstrating that the bank-edge recession is equal to or greater than 1.5 inches per 3 months during the open-water season.
NR 328.05(5)(c) (c) Riprap shall be clean fieldstone or quarry stone 6 to 24 inches in diameter.
NR 328.05(5)(d) (d) The toe of the riprap may not extend more than 8 feet waterward of the ordinary high water mark.
NR 328.05(5)(e) (e) The final riprap slope may not exceed (be steeper than) 2 feet horizontal to one foot vertical.
NR 328.05(5)(f) (f) Riprap may not be placed at an elevation higher than the ordinary high water mark plus the storm-wave height as calculated in s. NR 328.08 (1). For waters subject to subch. II, riprap may not be placed at an elevation higher than the ordinary high water mark plus 1.5 times the storm-wave height calculated in s. NR 328.08.
NR 328.05 Note Note: The listed waters in subch. II are typified by following conditions – impounded; 2500 acres and larger; extensive water level fluctuation; high shoreline recession rates; historic loss of shoreline vegetation.
NR 328.05(5)(g) (g) No fill material or soil may be placed in a wetland or below the ordinary high water mark of any navigable waterway.
NR 328.05(5)(h) (h) The riprap shall follow the natural contour of the shoreline.
NR 328.05(5)(i) (i) Filter cloth or clean-washed gravel shall be used as a filter layer under the riprap to extend the life of the structure, improve effectiveness and prevent soil erosion behind the riprap.
NR 328.05(5)(j) (j) Riprap or other vegetated armoring along moderate energy sites shall be re-vegetated above the ordinary high water mark by using native shrub plantings, native live stakes or native jointed plantings.
NR 328.05 Note Note: Erosion control treatments may include a 10-foot shoreline segment where plant establishment is not required for the purpose of ingress/egress associated with the placement of a pier or access to the waterway, or associated with public park activities.
NR 328.05(6) (6)Replacement of an existing seawall with riprap or vegetated armoring. Replacement of an existing seawall with riprap or vegetated armoring on the bed or bank of a lake or flowage may be authorized under this general permit if it meets all of the requirements of sub. (5) (c) to (j) and s. NR 328.04 (3) with the exception that it may be located in an area of special natural resource interest, and may not exceed 500 linear feet.
NR 328.05(7) (7)Seawall replacement. Replacement of an existing seawall on the bed or bank of a navigable water adjacent to a riparian property may be authorized under this general permit if it meets all of the requirements and limitations:
NR 328.05(7)(a) (a) The replacement may not exceed 100 feet of shoreline located on an inland lake or flowage of 300 acres or more.
NR 328.05(7)(b) (b) Seawall replacement may be permitted only at the following locations:
NR 328.05(7)(b)1. 1. Municipal or commercial marinas where vertical docking facilities are a practical alternative after considering the public interest.
NR 328.05(7)(b)2. 2. Navigational channels actively used as thoroughfares or for access, where slopes are greater (steeper) than 1.5 feet vertical to one foot horizontal, showing evidence of erosion, where alternative methods of erosion control would impede navigation.
NR 328.05(7)(b)3. 3. Locations where slopes are greater (steeper) than 1.5 feet vertical to one foot horizontal, and where the applicant demonstrates that alternative measures are not practicable taking into consideration bank height and the location of other permanent structures on the property.
NR 328.05(7)(c) (c) The seawall replacement shall incorporate an adequate footing to prevent settlement, tipping or undermining.
NR 328.05(7)(d) (d) The seawall shall be attached, where appropriate, to tieback anchors placed on the upland to prevent or minimize tipping of the wall.
NR 328.05(7)(e) (e) The seawall shall include weep holes where necessary to relieve hydrostatic pressure in upland soils. A filter fabric or gravel filter layer backing at weep holes shall be installed to facilitate drainage and prevent the loss of soil from behind the wall.
NR 328.05(7)(f) (f) For locations identified in par. (b) 3., rock riprap shall be placed in front of the seawall to dissipate wave energy, minimize scour at the base of the wall and provide aquatic habitat. Rock shall be placed to the top of the wall. Riprap shall be clean fieldstone or quarry stone 6 to 24 inches in diameter, placed at a slope not to exceed (be steeper than) 2 feet horizontal to one foot vertical, and may not extend more than 8 feet waterward of the face of the seawall.
NR 328.05(7)(g) (g) Each end of the seawall shall be buried or keyed into the bank to prevent flanking.
NR 328.05(7)(h) (h) The seawall may be built only high enough to prevent the over-topping by storm waves.
NR 328.05(7)(i) (i) 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. 1. to 3. or 8. Decontamination shall include either subd. 4., 5., 6., 7., or 8. 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 328.05(7)(i)1. 1. Inspect all equipment used for constructing, operating, or maintaining the project and remove all plants and animals, and other mud, debris, etc.
NR 328.05(7)(i)2. 2. Drain all water from equipment used in navigable waters.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.