Stormwater Management: Folsom vs McClellan Park
How do stormwater management rules compare between Folsom, CA and McClellan Park, CA?
Folsom and McClellan Park have similar restriction levels.
Folsom, CA
Sacramento County
Folsom operates a Municipal Separate Storm Sewer System (MS4) under NPDES permit CAS082597 jointly with Sacramento County. Discharging pollutants — soap, paint, oil, sediment — to storm drains is prohibited. New development must meet Low Impact Development standards.
View full Folsom rules →McClellan Park, CA
Sacramento County
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.
View full McClellan Park rules →Key Facts Comparison
| Fact | Folsom | McClellan Park |
|---|---|---|
| MS4 Permit | NPDES CAS082597 | - |
| Co-permittees | Folsom + Sac County | - |
| LID threshold | 5,000 sq ft impervious | - |
| Construction | SWPPP if ≥1 acre | - |
| Receiving waters | American River/Folsom Lake | - |
| Permit | - | NPDES R5-2016-0040 |
| County Code | - | Chapter 15.12 |
| SWPPP | - | 1+ acre disturbance |
| LID | - | 5,000+ sq ft impervious |
| Penalty | - | Up to $10,000/day |
Highlighted rows indicate differences between cities.
Folsom FAQ
Can I wash my car in my driveway in Folsom?
Occasional residential car washing is tolerated. Commercial or fleet washing that discharges to the storm drain is prohibited. Best practice: wash on grass or at a commercial car wash where water goes to sanitary sewer.
Who enforces this in Folsom?
Folsom code enforcement at (916) 355-7285 handles most complaints.
McClellan Park FAQ
Can I wash my car in my driveway?
Residential car washing is allowed but soapy water should be directed to landscaped areas, not the street or storm drain.
Do I need a SWPPP for my home remodel?
Only if construction disturbs 1 acre or more. Smaller sites still need erosion and sediment control Best Management Practices.
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