ATCP 50.04(4)(b)2.b. b. Use best professional judgment, based on the latest technical standards and practices required under this chapter.

ATCP 50.04(4)(b)2.c. c. Follow a consistent approach in making determinations for increased setback distances by consulting with NRCS or department engineering specialists.

ATCP 50.04(4)(b)2.d. d. Provide the landowner with a written statement documenting the findings and conclusions in support of the increased setback distance.

ATCP 50.04(4)(c) (c) Determinations regarding compliance with this standard may be appealed as authorized under s. 227.42, Stats., or other provisions of law.

ATCP 50.04(5) (5) Silurian Bedrock.

ATCP 50.04(5)(a) (a) A landowner shall manage cropland or pasture, or both, to achieve compliance with DNR performance standard for Silurian Bedrock under s. NR 151.075.

ATCP 50.04(5)(b) (b) A landowner is not required to comply with this section unless all of the following conditions are met:

ATCP 50.04(5)(b)1. 1. They mechanically apply manure to cropland or pasture areas.

ATCP 50.04(5)(b)2. 2. The cropland or pasture, or both, is located in an area of Silurian bedrock.

ATCP 50.04(5)(c) (c) A landowner is presumed to comply with this section if all of the following apply:

ATCP 50.04(5)(c)1. 1. The landowner’s nutrient management plan is written in accordance with s. ATCP 50.04 (3) and the plan incorporates the restrictions and prohibitions set forth in s. NR 151.075 where applicable.

ATCP 50.04(5)(c)2. 2. The landowner uses any of the following, or any combination of the following:

ATCP 50.04(5)(c)2.a. a. Silurian bedrock maps developed by the department of agriculture, trade and consumer protection, the department of natural resources, or both, maps available from the University of Wisconsin department of soil science, maps available from the Wisconsin geological and natural history survey, or NRCS soil survey maps.

ATCP 50.04(5)(c)2.b. b. In-field bedrock verification conducted in compliance with s. ATCP 50.925.

ATCP 50.04(5)(c)3. 3. The landowner uses weather and precipitation predictions to determine the appropriate timing of manure application.

ATCP 50.04 Note Note: The Runoff Risk Advisory Forecast is an optional tool that highlights the highest risk within the forecast period of 3 days, with an extended forecast period of 10 days in the presence of frozen soils or snow, found at: http://www.manureadvisorysystem.wi.gov/runoffrisk/index.

ATCP 50.04(5)(d) (d) A landowner under par. (b) has until April 1, 2027, to comply with par. (a).

ATCP 50.04 History History: CR 01-090: cr. Register September 2002 No. 561, eff. 10-1-02; CR 05-013: am. (3) (d), (e), (f) (intro.), 3. and (g), cr. (3) (dm) and (i), r. and recr. (3) (f) 4., r. (3) (f) 5. to 9., Register May 2007 No. 617, eff. 6-1-07; CR 08-075: am. (3) (dm) 1. and (e) Register April 2009 No. 640, eff. 5-1-09; CR 13-016: am. (1), (2), (3) (a), renum. (3) (b) to (intro.) and am., cr. (3) (b) 1., 2., renum. (3) (d) to (intro.) and am., cr. (3) (d) 1., 2., (de), am. (3) (f) (intro.), cr. (3) (gm), am. (3) (h) (intro.), cr. (4) Register February 2014 No. 698, eff. 5-1-14; CR 14-047: am. (3) (dm) 1., (e) Register May 2015 No. 713, eff. 6-1-15; CR 16-083: am. (1), (3) (dm) 1., (e), (f) (intro.), (g) Register January 2018 No. 745, eff. 2-1-18; CR 23-024: am. (1), (2), (3) (a), (dm) 1., (e), (f) 1., 4., r. (3) (h), am. (3) (i), cr. (4) (c), (5) Register May 2024 No. 821, eff. 6-1-24; correction in (5) (d) made under s. 35.17, Stats., Register May 2024 No. 821.

ATCP 50.06 ATCP 50.06 Installing conservation practices.

ATCP 50.06(1) (1) General. A landowner may use any of the following to comply with s. ATCP 50.04, unless s. ATCP 50.04 mandates a specific practice:

ATCP 50.06(1)(a) (a) Conservation practices identified in subch. VIII or the NRCS field office technical guide.

ATCP 50.06(1)(b) (b) Other conservation practices that comply with s. ATCP 50.04.

ATCP 50.06(2) (2) Funded practices. Conservation practices for which a landowner receives financial assistance under this chapter shall comply with subch. VIII.

ATCP 50.06 History History: CR 01-090: cr. Register September 2002 No. 561, eff. 10-1-02; CR 23-024: am. (1) (a), (2) Register May 2024 No. 821, eff. 6-1-24.

ATCP 50.08 ATCP 50.08 Cost-sharing required.

ATCP 50.08(1) (1) General. A landowner engaged in agricultural practices in this state is not required to do any of the following, under s. ATCP 50.04, unless the landowner receives a bona fide offer of cost-sharing:

ATCP 50.08(1)(a) (a) Discontinue or modify cropping practices on existing cropland. In this paragraph, “existing cropland” has the meaning given in s. NR 151.09 (4) (b).

ATCP 50.08(1)(b) (b) Discontinue or modify an existing livestock facility or operation. In this paragraph, “existing livestock facility or operation” has the meaning given in s. NR 151.095 (5) (b).

ATCP 50.08(2) (2) Cost-share amount. A cost-share offer under sub. (1) shall cover at least 70% of the landowner’s cost to install and maintain each required conservation practice, or 90% of the landowner’s cost if there is an economic hardship under s. ATCP 50.42 (4).