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GSWC-SOUTH ARCADIA

Drinking water quality, contact, and Consumer Confidence Report

Serving 6 cities in CA Β· PWSID CA1910212

GSWC-SOUTH ARCADIA serves 26,526 people. See EPA records and contact info below.

No Violations
No violations on record
People served
26,526

Data sources: EPA SDWIS, GSWC-SOUTH ARCADIA's published Consumer Confidence Report, California Department of Environmental Protection.

This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.

27K
People Served
6
Cities
1
Water Sources
0
MCL Violations

Official GSWC-SOUTH ARCADIA Resources

GSWC-SOUTH ARCADIA Service Area

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Service Area

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

GSWC-SOUTH ARCADIA Water Quality Grade

A
Excellent

Water meets all health guidelines with no violations.

Quality Score100/100
0
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-SOUTH ARCADIA Water Safe to Drink?

GSWC-SOUTH ARCADIA water currently meets all EPA Maximum Contaminant Level Goals (MCLGs) across all cities served. Water quality testing shows all contaminants are within safe levels according to health-based guidelines.

This utility serves 26,526 people across 6 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†’How does California water quality rank nationally? β†’

GSWC-SOUTH ARCADIA Service Area

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GSWC-SOUTH ARCADIA Contact & Information

Phone

Emergency Line

909.394.6290

24/7 After-Hours

Mailing Address

401 S. San Dimas Canyon Road San Dimas, CA 91773

B2B Contact Data

B2B Contact Data Available

Contacts for GSWC-SOUTH ARCADIA

Updated Jan 2026
Sample Preview (masked)
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
Unlock full contact details

Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

disinfectionfiltration

Disinfectant Used

hypochlorite

GSWC-SOUTH ARCADIA Consumer Confidence Report

A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act Β§1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.

A current CCR for GSWC-SOUTH ARCADIA has not been published or validated on TapWaterData yet.

Publish your 2027 CCR

Are you the water operator here? Publish your official 2027-compliant CCR on this page β€” residents already find it here.

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Residents: contact the utility directly using the phone number above, or check the EPA’s national CCR portal. Reports are typically distributed by mail or posted on the utility’s official website.

Frequently Asked Questions about GSWC-SOUTH ARCADIA

Is GSWC-SOUTH ARCADIA water safe to drink?

GSWC-SOUTH ARCADIA water currently meets all EPA Maximum Contaminant Level Goals (MCLGs). Water quality testing shows all contaminants are within safe levels according to health-based guidelines.

Does GSWC-SOUTH ARCADIA have PFAS in its water?

GSWC-SOUTH ARCADIA has PFAS monitoring data on record and no PFAS compounds are currently above EPA health-based guidelines. EPA finalized new PFAS drinking-water rules in 2024 requiring ongoing monitoring through 2029.

How do I pay my GSWC-SOUTH ARCADIA water bill?

GSWC-SOUTH ARCADIA bills can be paid at the utility's official payment portal: https://sandimasca.gov/departments/administrative_services/finance_division/online_bill_pay.php. For questions about your bill, call 760-515-8322.

How many people does GSWC-SOUTH ARCADIA serve?

GSWC-SOUTH ARCADIA serves 26,526 people across 6 cities in CA.

What cities does GSWC-SOUTH ARCADIA serve?

GSWC-SOUTH ARCADIA provides water service to: El Monte, CA; Irwindale, CA; Mayflower Village, CA; North El Monte, CA; South Monrovia Island, CA; Temple City, CA.

Does GSWC-SOUTH ARCADIA have any EPA violations?

No, GSWC-SOUTH ARCADIA has no MCL violations on record.

What is GSWC-SOUTH ARCADIA's phone number?

You can contact GSWC-SOUTH ARCADIA at 760-515-8322. Their mailing address is: 401 S. San Dimas Canyon Road San Dimas, CA 91773.

Where can I find GSWC-SOUTH ARCADIA's Consumer Confidence Report?

Community water systems must publish an annual CCR. If you're looking for GSWC-SOUTH ARCADIA's CCR, contact them at 760-515-8322 or check back here β€” we update monthly. The 2027 revised CCR Rule introduces new direct-URL distribution requirements.

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How we built this page

Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data β€” typically within days of an EPA SDWIS refresh.

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Are you GSWC-SOUTH ARCADIA? Publish your 2027 CCR

TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here β€” it inherits this page's search authority and reaches every customer who Googles GSWC-SOUTH ARCADIA.

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