Sonora Water Resources, Inc.
EPA ID: CA5510024 · 1,154 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Sonora Water Resources, Inc. (CA5510024): no drinking-water violations recorded since 2021. EPA data: Sonora Water Resources, Inc. - zero violation entries, 1,154 served.
Data: EPA SDWIS
Service Area Map
Coverage area for Sonora Water Resources, Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Sonora Water Resources, Inc. have a median household income of $60,506 and about 8,799 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 66% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Sonora Water Resources, Inc.'s water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
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
Sonora Water Resources, Inc. (EPA ID: CA5510024) is a community water system in California that serves approximately 1,154 people from surface water sources.
This system serves ZIP code 95327 in Jamestown.
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.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 95327 - Jamestown
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Sonora Water Resources, Inc. (CA5510024) on EPA.gov.
Frequently Asked Questions
Is Sonora Water Resources, Inc. water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Sonora Water Resources, Inc. 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 Sonora Water Resources, Inc. serve?
Sonora Water Resources, Inc. serves approximately 1,154 people across 1 ZIP code in California.
Where does Sonora Water Resources, Inc. get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Sonora Water Resources, Inc. Water Quality Report, CA. https://zipcheckup.com/water-system/ca5510024/
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title = {{Sonora Water Resources, Inc. Water Quality Report, CA}},
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url = {https://zipcheckup.com/water-system/ca5510024/}
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