Permits, certifications or fees may be required for the management, protection or improvement of Missouri’s waters and watersheds.

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Public Drinking Water Systems
Public Drinking Water System permits and backflow testing
A wastewater treatment plant in Columbia
Wastewater Permits
Wastewater treatment facility permits, overflows, UIC and onsite systems
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Stormwater Permits
Industrial stormwater, land disturbance and MS4s
air construction permits
Wastewater Construction and Engineering
Learn more about wastewater construction process and selecting an engineering consultant
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Concentrated Animal Feeding Operation (CAFO) Permits
CAFO information and permits
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Operator Certification
Training and certification for water and wastewater operators
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Section 401 Water Quality Certification
Certification for section 401 of federal clean water act
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Water Fees
Clean water and drinking water permit fees
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Innovative Technologies
New processes and equipment for treating wastewater
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Wells and Drilling
Well types, permitting and prenotification
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Wastewater Pretreatment
Reducing pollutants in wastewater
Rules and regulations books sitting on a desk in a library
Laws, Rules and Regulations
State and federal rules governing water quality
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Public Notices
Provide input on draft permits, plans or rules on public notice
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Calendar
Find a meeting, hearing or event near you
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Document Search
Search water related documents in one location for easy access

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Boil Water Orders
Drought
Groundwater Levels
Issued Site-Specific Wastewater Permits
Operator Certification
Permits, Certification, Engineering, Fees
Water Monitoring and Data
Wells and Drilling
Commissions, Boards and Councils
Water Public Notices
Report an Environmental Concern or Submit a Question
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Related Links

Innovative Technologies
Citizens Guide to Water Rules and Regulations

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