ATCP 50.90(3)(a) (a) The subsurface drain is a necessary component of a manure storage system, barnyard runoff control system, feed storage runoff control system, erosion control system, or as part of a nutrient treatment system.

ATCP 50.90(3)(b) (b) The subsurface drain complies with all of the following that apply:

ATCP 50.90(3)(b)1. 1. NRCS conservation practice standard 606 subsurface drain (June, 2021).

ATCP 50.90(3)(b)2. 2. NRCS conservation practice standard 620 underground outlet (June, 2021).

ATCP 50.90(3)(c) (c) The landowner agrees to maintain the subsurface drain for 10 years unless farming operations on the affected land are discontinued.

ATCP 50.90 History History: CR 01-090: cr. Register September 2002 No. 561, eff. 10-1-02; CR 08-075: am. (3) (b) 1. Register April 2009 No. 640, eff. 5-1-09; CR 13-016: am. (3) (b) 1., 2. Register February 2014 No. 698, eff. 5-1-14; CR 14-047: am. (3) (b) 1., 2. Register May 2015 No. 713, eff. 6-1-15; CR 23-024: am. (2), (3) (a), (b) 1., 2. Register May 2024 No. 821, eff. 6-1-24.

ATCP 50.91 ATCP 50.91 Terrace systems.

ATCP 50.91(1) (1) Definition. In this section, “terrace system” means a system of ridges and channels installed on the contour with a non-erosive grade and suitable spacing.

ATCP 50.91(2) (2) Eligible costs. A cost-share grant under s. ATCP 50.40 may reimburse any of the following costs related to a terrace system:

ATCP 50.91(2)(a) (a) Costs to install the system, including necessary costs for necessary leveling, filling, and obstruction removal.

ATCP 50.91(2)(b) (b) Costs to purchase and install necessary underground pipe outlets and other necessary mechanical outlets.

ATCP 50.91(2)(c) (c) Costs to modify an ineffective system, unless the system has been rendered ineffective because of changes in cropping patterns or equipment usage.

ATCP 50.91(2)(d) (d) 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 50.91(3) (3) Design, construction, and maintenance. A cost-share grant may not reimburse terrace system costs unless all of the following conditions are met:

ATCP 50.91(3)(a) (a) The terrace system includes a stable outlet or waterway of adequate capacity.

ATCP 50.91(3)(b) (b) The terrace system complies with all of the following that apply:

ATCP 50.91(3)(b)1. 1. NRCS conservation practice standard 342 critical area planting (January, 2018).

ATCP 50.91(3)(b)2. 2. NRCS conservation practice standard 412 grassed waterway (August, 2021).

ATCP 50.91(3)(b)3. 3. NRCS conservation practice standard 468 lined waterway or outlet (June, 2021).

ATCP 50.91(3)(b)4. 4. NRCS conservation practice standard 500 obstruction removal (June, 2021).

ATCP 50.91(3)(b)5. 5. NRCS conservation practice standard 600 terrace (August, 2021).

ATCP 50.91(3)(b)6. 6. NRCS conservation practice standard 606 subsurface drain (June, 2021).

ATCP 50.91(3)(b)7. 7. NRCS conservation practice standard 620 underground outlet (June, 2021).

ATCP 50.91(3)(b)8. 8. NRCS conservation practice standard 638 water and sediment control basin (January, 2018).

ATCP 50.91(3)(c) (c) The landowner agrees to maintain the terrace system for 10 years unless farming operations on the affected land are discontinued.

ATCP 50.91 History History: CR 01-090: cr. Register September 2002 No. 561, eff. 10-1-02; CR 08-075: am. (3) (b) 1. to 3., 5. and 6. Register April 2009 No. 640, eff. 5-1-09; CR 13-016: am. (3) (b) 1. to 8. Register February 2014 No. 698, eff. 5-1-14; CR 14-047: am. (3) (b) 6., 7. Register May 2015 No. 713, eff. 6-1-15; CR 16-012: am. (3) (b) 2., 5. Register August 2016 No. 728, eff. 9-1-16; CR 16-083: am. (3) (b) 1., 2., 4., 8. Register January 2018 No. 745, eff. 2-1-18; CR 23-024: am. (3) (b) 1. to 8. Register May 2024 No. 821, eff. 6-1-24.

ATCP 50.92 ATCP 50.92 Underground outlets.

ATCP 50.92(1) (1) Definition. In this section, “underground outlet” means a conduit installed below the surface of the ground to collect surface water and convey it to a suitable outlet.

ATCP 50.92(2) (2) Eligible costs. A cost-share grant under s. ATCP 50.40 may reimburse the cost of designing and constructing an underground outlet as part of a manure storage system, barnyard runoff control system, or erosion control system.