City of Galt
EPA ID: CA3410011 · 26,536 people served · 1 ZIP code
ZipCheckup's reading of EPA records for City of Galt (CA3410011): no drinking-water violations recorded since 2021. Nothing in the federal violation file is listed against City of Galt, a system that provides water to roughly 26,536 people.
Data: EPA SDWIS
Service Area Map
Coverage area for City of Galt Source: EPA SDWIS service area boundaries.
Service area boundary - average Home Safety grade of mapped ZIPs: A
Demographics of ZIP Codes Served
The ZIP codes associated with City of Galt have a median household income of $90,933 and about 31,889 residents live in those ZIP codes (Census; not the number of people this system supplies).
Environmental Justice Note: On average, 55% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
City of Galt's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in California
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
City of Galt, (EPA ID: CA3410011) is a community water system in California that serves approximately 26,536 people from groundwater sources.
This system serves ZIP code 95632 in Galt.
ZIP-Area Home Safety Context: A (96/100)
This is the average Home Safety Score for 1 of 1 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2024-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CA or modeled from parcel and building-footprint data.
- 95632 - Galt
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Galt (CA3410011) on EPA.gov.
Frequently Asked Questions
Is City of Galt water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for City of Galt in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does City of Galt serve?
City of Galt serves approximately 26,536 people across 1 ZIP code in California.
Where does City of Galt get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). City of Galt, CA: Serves 27K People. https://zipcheckup.com/water-system/ca3410011/
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title = {{City of Galt, CA: Serves 27K People}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ca3410011/}
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