ATCP 50.87(2)(a)(a) Costs for the design and construction of a grassed waterway or diversion to direct surface runoff around a sinkhole. ATCP 50.87(2)(b)(b) Costs for the design and construction of a grassed waterway or diversion to direct surface runoff around a geologic depression to prevent the formation of a sinkhole. ATCP 50.87(2)(c)(c) Costs for the design and construction of a modification to a sinkhole for the purpose of protecting groundwater resources from contamination. ATCP 50.87(3)(3) Ineligible costs. A cost-share grant under s. ATCP 50.40 may not reimburse costs for any system, component, or practice that is not needed to correct an identified water pollution hazard. ATCP 50.87(4)(4) Design, construction, and maintenance. A cost-share grant under s. ATCP 50.40 may not reimburse any costs related to sinkhole treatment unless all of the following conditions are met: ATCP 50.87(4)(a)(a) The treatment complies with all of the following that apply: ATCP 50.87(4)(a)1.1. NRCS conservation practice standard 527 sinkhole treatment (September, 2021). ATCP 50.87(4)(a)3.3. NRCS conservation practice standard 412 grassed waterway (August, 2021). ATCP 50.87(4)(b)(b) The landowner agrees to maintain the sinkhole treatment for 10 years unless farming operations on the affected land are discontinued. ATCP 50.87 HistoryHistory: CR 01-090: cr. Register September 2002 No. 561, eff. 10-1-02; CR 08-075: am. (4) (a) 2. and 3. Register April 2009 No. 640, eff. 5-1-09; CR 13-016: am. (4) (a) 1. to 3. Register February 2014 No. 698, eff. 5-1-14; CR14-047: am. (4) (a) 1. Register May 2015 No. 713, eff. 6-1-15; CR 16-012: am. (4) (a) 3. Register August 2016 No. 728, eff. 9-1-16; CR 16-083: am. (4) (a) 1. to 3. Register January 2018 No. 745, eff. 2-1-18; CR 23-024: am. (4) (a) 1. to 3. Register May 2024 No. 821, eff. 6-1-24. ATCP 50.88ATCP 50.88 Streambank or shoreline protection. ATCP 50.88(1)(1) Definition. In this section, “streambank or shoreline protection” means waterbody-specific treatments used to stabilize and protect the eroding banks of streams or constructed channels, and shorelines of lakes, reservoirs, or estuaries. The practice is designed and installed to provide water quality benefits or control soil erosion including degradation from livestock and may protect fish habitat as an incidental benefit. Streambank or shoreline protection may include any of the following components: ATCP 50.88(2)(2) Eligible costs. A cost-share grant under s. ATCP 50.40 may reimburse any of the following costs related to streambank or shoreline protection: ATCP 50.88(2)(a)(a) Costs to install new soil bioengineering and structural treatments including rock riprap. Wood chunks, unsorted demolition material, brick, plaster, blacktop, and other materials that may produce leachates may not be used as riprap. A cost-share grant may reimburse costs for rock and timber riprap or lunkers used to establish fish habitat, in combination with the restoration of a riparian buffer and as part of a streambank or shoreline protection scheme, provided that reimbursement for fish habitat does not exceed 25% of the cost-share grant. ATCP 50.88(2)(b)(b) Costs to shape streambanks or shorelines before installing protective plantings or structures. ATCP 50.88(2)(c)(c) Costs to establish permanent vegetative cover, or to provide temporary cover until permanent cover is established. This may include costs for mulch, fertilizer, and other necessary materials. ATCP 50.88(2m)(2m) Ineligible costs. Except for violations of this chapter or ch. NR 151, a cost-share grant under s. ATCP 50.40 may not reimburse costs related to mitigation or correction of a violation of state or local laws.