Agricultural Stormwater Exemption
![Stormy scene](/agwastemanagement/images/storm-water.jpg)
The Agricultural Stormwater Exemption provides protection against discharge if manure or effluent (manure water) is applied to crop fields or pastures and rain and snow runoff from the fields/pasture flows into a water of the State.
Large size CAFOs are required to have a Nutrient Management Plan (NMP) to qualify for the Agricultural Stormwater Exemption. The nutrient management planning must follow essential NMP requirements in the federal rule.
Permitted CAFOs with a NMP qualify for the Agricultural Stormwater Exemption through the permit required NMP. Small and Medium AFOs automatically qualify for the Agricultural Stormwater Exemption and do not require a NMP for coverage.