Thermal discharges: 10 Missouri Code of State Regulations (CSR) 20-7.031
Habitats: 10 CSR 20-7.031(5)(D)(1) to 20-7.031(5)(D)(3)
Lakes: 10 CSR 20-7.031(5)(D)(4)
Mississippi River: 10 CSR 20-7.031(5)(D)(5)
Mixing zones: 10 CSR 20-7.031(5)(D)(6)
Missouri Department of Natural Resources (DNR) Division of Environmental Quality Water Protection Program
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
• Rules. Missouri has developed monthly and geographically specific temperature standards for effluent discharges in accordance with the federal Clean Water Act. The thermal discharge regulations are divided between cold and warm water habitats, lakes, and the three zones of the Mississippi River.
• Administration and enforcement. DNR's Water Protection Program is responsible for the administration and enforcement of the state's thermal discharge regulations.
10 CSR 20-7.031(5)(D)(1) to 20-7.031(5)(D)(3)
Table 1 sets out the thermal discharge limitations (outside the mixing zone) for fisheries.
Note: Site-specific alternate temperature requirements may be considered by the DNR in cases where sensitive aquatic species are resident.
10 CSR 20-7.031(5)(D)(4)
Water contamination may not cause any measurable rise in the temperature of lakes. Temperature increases are allowed for Lake Springfield, Thomas Hill Reservoir, and Montrose Lake. ...