Below is a summary of the Standards. For full details see the Wisconsin Administrative Code NR151 Subchapter II https://docs.legis.wisconsin.gov/document/administrativecode/subch.%20II%20of%20ch.%20NR%20151:
All Farmers Must:
- Meet tolerable soil loss (“T”) on cropped fields and pastures.
- Annually develop and follow a Nutrient Management Plan (NMP) designed to keep nutrients and sediment from entering lakes, streams, wetlands and groundwater. Farmers may hire a certified crop advisor or prepare their own NMP if they have received proper training.
- Use the phosphorous index (PI) standard to ensure that their NMP adequately controls phosphorous runoff over the accounting period.
- Avoid tilling within 5 feet of the edge of the bank of surface waters. This setback may be extended up to 20 feet to ensure bank integrity and prevent soil deposition.
Farmers With Livestock Must:
- Prevent direct runoff from feedlots or stored manure from entering lakes, streams, wetlands and groundwater.
- Limit access or otherwise manage livestock along lakes, streams and wetlands to maintain vegetative cover and prevent erosion.
- Prevent significant discharges of process wastewater (milkhouse waste, feed leachate, etc.) into lakes, streams, wetlands, or groundwater.
Farmers Who Have, or Plan to Build, Manure Storage Structures Must:
- Maintain structures to prevent overflow and maintain contents at or below the specified margin of safety.
- Repair or upgrade any failing or leaking structures to prevent negative impacts to public health, aquatic life and groundwater.
- Close idle structures according to accepted standards.
- Meet technical standards for newly constructed or significantly altered structures.
Farmers with Land in a Water Quality Management Area (300 feet from streams, 1,000 feet from a lake, or in areas susceptible to groundwater contamination) Must:
- Avoid stacking manure in unconfined piles.
Divert clean water away from feedlots, manure storage areas, and barnyards located within this area.