(573) 426-6948

901 North Elm Street, Rolla, MO 65401

Stormwater Runoff

The  federal  Clean  Water  Act  (CWA)  of  1972  established  regulations  to  control  industrial  and  municipal wastewater discharges making it unlawful to discharge pollutants from a point source without acquiring a permit. In 1987, Congress amended the Clean Water Act with the Water Quality Act (WQA) which outlined  strategies  to  meet  the  water  quality  standards  through  a  nationwide  comprehensive  program  to  be  implemented in two phases. 

The regulation of polluted discharges from urban runoff produced by municipalities became a primary goal. Municipal Separate Storm Sewer Systems (MS4) community designations were devised under the National Pollutant Discharge Elimination System (NPDES) program. NPDES requires municipalities that discharge pollutants into waters of the United States to obtain a permit.

Larger  metropolitan  areas  were  the  first  to  be  regulated  as  Phase  I  communities. This required the implementation of a stormwater management program by municipalities with populations of 100,000 and greater. In 1999, the ruling extended to smaller communities, requiring a "General Operating Permit" with a slightly different approach to be obtained and implemented.

The City of Rolla is a Phase II Small MS4 covered by a general permit that regulates multiple facilities within a specific category and authorizes the discharge of urban runoff. The Missouri Department of Natural Resources, in compliance with the Missouri Clean Water Law (chapter 644 R.S. Mo. as amended) and the Federal Water Pollution Control Act (Public Law 92-500, 92nd Congress), issued the original General Operating Permit No. MOR040033 to the City of Rolla on March 10, 2003. 

The City’s operating permit requires the implementation of a Storm Water Management Plan (SWMP). The SWMP is to be evaluated and updated on a continuing basis and must be consistent with provisions as outlined in 40 CFR 122.34. The city's current permit will expire on September 2026, at which time a new application, updated SWMP and five-year plan will be submitted for renewal.

If you have a stormwater related concern, witness illegal dumping, or would like to get involved in keeping our local waterways clean, please contact Jim Fels.

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  • 2021-2026 City of Rolla SWMP
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  • Appendix A A-1
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  • Appendix A A-2
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  • Appendix A A-5
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  • Appendix A A-9
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  • Appendix A A-11
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  • Appendix A A-12
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  • Appendix A A-13
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  • 2021 NPDES General Operating Permit
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  • Erosion Control Stormwater Protection Guide
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  • Erosion Flyer
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  • Floodplain Development Permit
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  • City of Rolla outfall locations
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