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🌍 Environmental Rules/Stormwater Management

Isleton vs Rancho Cordova

How do stormwater management rules compare between Isleton, CA and Rancho Cordova, CA?

Isleton and Rancho Cordova have similar restriction levels.

Isleton, CA

Sacramento County

Some Restrictions

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 β†’

Rancho Cordova, CA

Sacramento County

Some Restrictions

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 β†’

Key Facts Comparison

FactIsletonRancho Cordova
Permit TypeState MS4 Phase II-
Discharge Threshold1 acre construction-
Required PlanSWPPP-
Max Fine25,000 per day-
Receiving WaterSacramento RiverMorrison Creek, American River
Permit-Central Valley RWQCB MS4
New Development-LID over 5,000 sqft impervious
Hotline-Sac Stormwater Partnership

Highlighted rows indicate differences between cities.

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.

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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