Sacramento County operates under a joint NPDES MS4 Permit (R5-2016-0040) with the City of Sacramento and other co-permittees. County Code Chapter 15.12 implements stormwater pollution prevention. New and redevelopment projects over 1 acre (or smaller in some cases) must comply with Post-Construction Stormwater Standards including LID and hydromodification controls.
Sacramento County is a co-permittee under the Sacramento County Area NPDES Municipal Stormwater Permit (R5-2016-0040) issued by the Central Valley Regional Water Quality Control Board. County Code Chapter 15.12 prohibits non-stormwater discharges to the MS4 (illicit discharges) including soapy wash water, oil, paint, and chemicals. Construction projects disturbing 1 or more acres require coverage under the State Construction General Permit and a Stormwater Pollution Prevention Plan (SWPPP). Post-Construction Stormwater Standards apply to new development and significant redevelopment projects typically creating 5,000 sq ft or more of new/replaced impervious surface; these projects must implement Low Impact Development (LID) treatment measures such as bioretention, permeable pavement, and hydromodification controls. Industrial facilities must file Notices of Intent under the statewide Industrial General Permit. Violations can carry civil penalties up to $10,000 per day.
Contact your local code enforcement office for specific penalty information.
Sacramento County, CA
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Sacramento County, CA
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Sacramento County, CA
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Sacramento County, CA
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Sacramento County, CA
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Sacramento County, CA
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See how Sacramento County's stormwater management rules stack up against other locations.
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