Kansas regulates stormwater discharges statewide through KDHE's NPDES program under K.S.A. 65-164 and 65-165, requiring construction, industrial, and municipal separate storm sewer system permits that cities must enforce as a delegated state program.
Under K.S.A. 65-164 and 65-165, KDHE administers the federally delegated National Pollutant Discharge Elimination System for stormwater. Construction sites disturbing one or more acres need coverage under the statewide construction general permit, including a stormwater pollution prevention plan with erosion controls. Industrial facilities in regulated sectors require industrial stormwater permits. Municipalities operating MS4 systems must implement six minimum control measures. KDHE rules apply uniformly; local stormwater ordinances must meet or exceed state requirements but cannot weaken discharge standards.
Unpermitted discharges trigger KDHE administrative orders, civil penalties up to $10,000 per day per violation under K.S.A. 65-170d, and potential federal Clean Water Act enforcement.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Johnson County, KS
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Johnson County, KS
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Shawnee, KS
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Johnson County, KS
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Side-by-side rule comparisons with other cities in Johnson County.
See how Shawnee's stormwater management rules stack up against other locations.
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