Stormwater Management: Folsom vs Herald
How do stormwater management rules compare between Folsom, CA and Herald, CA?
Folsom and Herald 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 →Herald, 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 Herald rules →Key Facts Comparison
| Fact | Folsom | Herald |
|---|---|---|
| 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.
Herald 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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