Missouri Department of Natural Resources

Concentrated Animal Feeding Operation
Process wastes are collected and reused as fertilizer by spreading onto agricultural fields at agricultural rates. There is no-discharge except during storms exceeding the design storm event.

• CAFO General Information
• CAFO Best Management Practices
• CAFO Plant Available Nitrogen Procedure
• Form F - Application for Approval or Permit for Concentrated Animal Feeding Operation--MO 780-0725

SIC #9512
Land reclamation projects involving land disturbance and projects consisting solely of pond and shaft dewatering under control of the Missouri Department of Natural Resources Land Reclamation Program - SIC #1629

Surface discharges from these reclamation projects will result from rainfall runoff/impoundment discharges, and shaft pumpings. Sediment will be controlled during construction with filter fabric, check dams, sediment ponds, straw bales or other Best Management Practices, which will minimize sediment loss.

These projects may also involve stockpiling biosolids for reclamation use. Best Management Practices will be employed at these sites.

SIC #2875
Composting operations under 20 acres composed of feedstocks from agricultural, wood and food product sources. The operation is to be designed and operated as a no-discharge facility.

Flow-through Concentrated Aquatic Animal Production Facilities

Concentrated Aquatic Animal Production Facilities utilizing impoundments, tanks or recirculating systems.

This permit authorizes the discharge from oil/water separators and similar waste water treatment devices whose sole function is the treatment of Stormwater or water without detergents or additives used to rinse or wash down pavements.

This permit applies to establishments such as vehicle repair shops, transformer stations and pipeline compressor stations.

This permit does not apply to establishments that are required to apply for a permit under the Stormwater Regulation 10 CSR 20-6.200.

The permit does not apply to the discharges of wastewater treatment devices for the treatment of vehicle or equipment wash waters.

• Oil/Water Separators (G14) General information, Technical Bulletin--PUB234

Discharge from non-recirculating heat pumps, to surface water only.

SIC #5171
Stormwater discharges from facilities with above ground storage capacity of pre-consumer or post-consumer petroleum products, ethanol or biodiesel totaling more than 20,000 gallons, but less than 250,000 gallons.

SIC #1422 and SIC Major Group Codes 29 and 32
Stormwater and other specified discharges from limestone and other rock quarries, concrete, glass and asphalt industries.

• Preventing Pollution at Hot Mix Asphalt Plants, Guide--PUB545
• Preventing Pollution at Rock Quarries, Guide--PUB340

Discharge of wash water and Stormwater from sand and/or gravel operations.

• Pollution Prevention and Environmental Compliance Guide on Sand and Gravel Removal, Guide--PUB1056

Water Treatment Plants Filter Backwash
Water treatment plant filter backwash water and solids and allows operation of no-discharge sludge holding systems. Land application of water treatment plant sludge.

Discharges of backwash water from water softening units.
Zeolite filter backwash discharges.

SIC #1321, 4613, 1922, 4923, and 4924
Hydrostatic testing of Petroleum-Related Oil and Gas Pipelines and Storage Tanks.

SIC #4613
Hydrostatic testing of Non-Petroleum Related Pipelines and Storage Tanks.

Discharge of wash water, Stormwater and return water from aggregate dredging operations on the Missouri and Mississippi Rivers.

Vehicle wash wastewater treatment systems for design flows of 50,000 gallons per day or less.  This includes no-discharge land application systems.  Provides for 500 gallons per day de minimis exemption under certain conditions.

• Water Pollution Control Permit Requirements for Car Washes, Technical Bulletin--PUB247

Discharge of filter backwash and pool drainage from swimming pools and lined ponds which use chlorine as a sanitizer.

SIC #4952
Land application of domestic septage onto agricultural land for beneficial use as fertilizer and soil amendment for total volume up to 1,000,000 gallons per year that are land applied in accordance with an approved land Application Management Plan that conforms to the Best Management Practices and other requirements contained in the general permit. Lime stabilization is required prior to land application and application rates shall not exceed 10,000 gallons/acre per year.

No-Discharge Facility - Sic Code 2011-2099 and 5812
Land Application of wastes from light commercial Food Products Industry Major Group 20 (SIC Codes 2011-2099) and restaurant grease traps (SIC Code 5812) onto agricultural land for use as fertilizer and soil amendment where dry weather design wastewater flows are 10,000 gallons per day or less and are land applied in accordance with an approved Land Application Management Plan that conforms to the Best Management Practices and other requirements contained in the general permit.

• MO-G822000 General Operating Permit for Meat Processors, Technical Bulletin--PUB1238 (04/04)

Discharge of Stormwater, snowmelt and infiltration water from a clay pit or mine.

SIC #2875
Mixed feedstock composting operations under 20 acres. The operation is to be designed and operated as a no-discharge facility.

Wastewater from fuel spill cleanup.

SIC #2875

Stormwater runoff.
Flow is dependent upon precipitation.
Yard Waste Composting operations under 20 acres.

SIC #0251

State No-Discharge Concentrated Animal Feeding Operation (CAFO) - Process wastes are collected and managed as fertilizer by spreading onto agricultural fields at agricultural rates in accordance with this permit.