Stormwater Management: Folsom vs Rancho Cordova
How do stormwater management rules compare between Folsom, CA and Rancho Cordova, CA?
Rancho Cordova has fewer restrictions than Folsom.
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 →Rancho Cordova, CA
Sacramento County
Rancho Cordova complies with the Central Valley Regional Water Quality Control Board NPDES MS4 permit. Illicit discharges to storm drains are prohibited.
View full Rancho Cordova rules →Key Facts Comparison
| Fact | Folsom | Rancho Cordova |
|---|---|---|
| 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 | - | Central Valley RWQCB MS4 |
| Receiving Water | - | Morrison Creek, American River |
| New Development | - | LID over 5,000 sqft impervious |
| Hotline | - | Sac Stormwater Partnership |
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.
Rancho Cordova FAQ
Can I wash my car in the driveway?
Personal car washing with water only is generally acceptable, but soap-based washing is discouraged and should be done at commercial car washes that recycle water.
Who enforces this in Rancho Cordova?
Rancho Cordova code enforcement at (916) 851-8800 handles most complaints.
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