Galt vs Isleton
How do stormwater management rules compare between Galt, CA and Isleton, CA?
Galt and Isleton have similar restriction levels.
Galt, CA
Sacramento County
Galt operates under a Phase II Small MS4 NPDES permit issued by the State Water Resources Control Board. New development and significant redevelopment must implement post-construction stormwater controls following the Central Valley RWQCB requirements.
View full Galt rules →Isleton, CA
Sacramento County
Isleton operates under a state general NPDES MS4 permit for small communities. Illicit discharges to storm drains, sloughs, and the Sacramento River are prohibited. Construction sites over 1 acre require coverage under the Construction General Permit with a SWPPP.
View full Isleton rules →Key Facts Comparison
| Fact | Galt | Isleton |
|---|---|---|
| Permit | Phase II Small MS4 NPDES | - |
| Regulator | Central Valley RWQCB | - |
| New Development | 5,000 sq ft impervious trigger | - |
| BMPs | Site, source, and treatment | - |
| Illicit Discharge | Prohibited into storm drain | - |
| Permit Type | - | State MS4 Phase II |
| Discharge Threshold | - | 1 acre construction |
| Required Plan | - | SWPPP |
| Max Fine | - | 25,000 per day |
| Receiving Water | - | Sacramento River |
Highlighted rows indicate differences between cities.
Galt FAQ
Can I wash my car in the driveway in Galt?
Residential car washing with biodegradable soap is generally allowed, but soapy runoff should be minimized. Commercial car washes must direct wastewater to the sanitary sewer.
Where does Galt storm water go?
Storm drains discharge untreated to local creeks and ultimately to the Cosumnes River and Delta system.
Isleton FAQ
Can I drain my pool into the street?
Not if it contains chlorine or cleaning chemicals. Dechlorinate first or discharge to landscaping to avoid an illicit discharge violation.
Do I need a SWPPP for a house remodel?
Only if the disturbed ground area exceeds 1 acre. Most residential projects fall well below that threshold.
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