Missouri Wastewater Variances: What you need to know

Governing Law and Regulations

Missouri Clean Water Law, Missouri Revised Statutes (Mo. Rev. Stat.) 644.006 to 644.141

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Variance requests: Mo. Rev. Stat. 644.061 and 10 Missouri Code of State Regulations (CSR) 20-7.031(12)

On-site sewage disposal: 19 CSR 20-3.060

Regulatory Agencies

Missouri Department of Natural Resources (DNR) Division of Environmental Quality Water Protection Program Water Pollution Control Branch

Missouri Department of Health and Senior Services (DHSS) Division of Community and Public Health

U.S. Environmental Protection Agency (EPA) Region 7

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Missouri generally follows the federal regulations for variances to the National Pollutant Discharge Elimination System (NPDES) requirements, and has established a formal application procedure for obtaining variances to the Missouri Clean Water Law. See the national section WASTEWATER VARIANCES for additional guidance.

Administration and enforcement. DNR's Water Pollution Control Branch is responsible for the administration and enforcement of most of the state's water quality control regulations and has the authority to grant variances to the Missouri Clean Water Law. The DHSS has primary responsibility for administering the state's regulatory program, including for variances, for on-site sewage disposal facilities.

State Requirements


Mo. Rev. Stat. 644.061 and 10 CSR 20-7.031(12)

The DNR may grant variances relating to Missouri Clean Water Law whenever it is found that compliance with any rules will result in an arbitrary and unreasonable taking of property or in the practical ...

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More on this topic:

Governing Law and Regulations
Regulatory Agencies
Comparison: State vs. Federal
State Requirements

State Requirements

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Missouri Wastewater Variances Resources

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