Town of Sunol - Sfpuc
EPA ID: CA0110012 · 281 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Town of Sunol - Sfpuc (CA0110012): no EPA violations recorded in the last five years. EPA monitoring data for Town of Sunol - Sfpuc shows an unblemished five-year compliance history - no violations of any kind have been recorded for this utility, which supplies water to approximately 281 people, covering every reporting cycle without a single MCL exceedance or monitoring lapse.
Data: EPA SDWIS
Service Area Map
Coverage area for Town of Sunol - Sfpuc Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Town of Sunol - Sfpuc serves a community with a median household income of $187,721 and an estimated 80,216 residents across its service area. Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Town of Sunol - Sfpuc'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.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 16 detections recorded. 6 exceed federal EPA limits (4 ppt for PFOA/PFOS). 2 exceed state limits.
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
Town of Sunol - Sfpuc (EPA ID: CA0110012) is a community water system in California that serves approximately 281 people from surface water sources.
This system provides water to 3 ZIP codes across 2 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
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: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Town of Sunol - Sfpuc (CA0110012) on EPA.gov.
Frequently Asked Questions
Is Town of Sunol - Sfpuc water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Town of Sunol - Sfpuc 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 Town of Sunol - Sfpuc serve?
Town of Sunol - Sfpuc serves approximately 281 people across 3 ZIP codes in California.
Where does Town of Sunol - Sfpuc get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Town of Sunol - Sfpuc Water Quality Report, CA. https://zipcheckup.com/water-system/ca0110012/
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title = {{Town of Sunol - Sfpuc Water Quality Report, CA}},
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url = {https://zipcheckup.com/water-system/ca0110012/}
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