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Home/Utilities/California/GSWC - NORWALK

GSWC - NORWALK

Serving 4 cities in CA

Monitor
1 above health guidelines
43K
People Served
4
Cities
1
Water Sources
0
MCL Violations

Official GSWC - NORWALK Resources

GSWC - NORWALK Service Area

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Service Area

This map shows the approximate service area for GSWC - NORWALK. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

GSWC - NORWALK Water Quality Grade

A
Excellent

Water meets all health guidelines with no violations.

Quality Score90/100
1
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is GSWC - NORWALK Water Safe to Drink?

GSWC - NORWALK has reported 1 contaminant above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 42,997 people across 4 cities in CA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

Get your water independently tested in California β†’

GSWC - NORWALK Service Area

GSWC - NORWALK Contact & Information

Mailing Address

12035 BURKE ST., SUITE 1 Santa Fe Springs, CA 90670

B2B Contact Data

B2B Contact Data Available

Contacts for GSWC - NORWALK

Updated Jan 2026
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NameTitlePhoneEmail
Jβ–ˆβ–ˆβ–ˆβ–ˆ Sβ–ˆβ–ˆβ–ˆβ–ˆWater Treatment Supervisor(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆjβ–ˆβ–ˆβ–ˆβ–ˆ@cityβ–ˆβ–ˆβ–ˆβ–ˆ.gov
Mβ–ˆβ–ˆβ–ˆβ–ˆ Jβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆUtility Director(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆmβ–ˆβ–ˆβ–ˆβ–ˆ@waterβ–ˆβ–ˆβ–ˆβ–ˆ.org
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Water Sources & Treatment

Water Sources

Surface water purchased

Treatment Methods

conventionalfiltrationpre-oxidation with chlorine

Disinfectant Used

chloramines, chlorine, hydrogen peroxide, hypochlorite, ozone

Recommended Water Filters for GSWC - NORWALK

Based on water quality data from cities served by GSWC - NORWALK, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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