Kansas requires statewide erosion and sediment controls on construction sites disturbing one or more acres under KDHE's general NPDES permit, mandating SWPPPs, best management practices, and inspections that municipalities cannot waive or relax.
KDHE's stormwater construction general permit, issued under K.S.A. 65-165, applies uniformly across Kansas. Operators must develop and implement a Stormwater Pollution Prevention Plan identifying potential pollutants, sediment and erosion controls such as silt fence, inlet protection, stabilized construction entrances, and post-construction stabilization. Inspections are required at minimum every seven days and after qualifying rain events. Records must be kept on site. Local ordinances may add stricter requirements and inspection regimes but cannot remove KDHE BMP obligations or the SWPPP duty.
Sediment discharges or missing SWPPPs draw KDHE notices of violation, stop-work orders, and civil penalties; repeat violators face escalating fines under K.S.A. 65-170d.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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Side-by-side rule comparisons with other cities in Johnson County.
See how Shawnee's erosion control rules stack up against other locations.
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