Sfpuc-pleasanton Wells
EPA ID: CA0110018 · 1 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Sfpuc-pleasanton Wells (CA0110018): no drinking-water violations recorded since 2021. EPA monitoring records reviewed for Sfpuc-pleasanton Wells list no violations. That describes the federal file only, not a test of the water at any tap, for a utility that reports serving approximately 1 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Sfpuc-pleasanton Wells Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Sfpuc-pleasanton Wells have a median household income of $187,145 and about 79,205 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 55% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Sfpuc-pleasanton Wells'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 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
PFAS in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 16 detections recorded. 6 detections are above the level of a federal PFAS MCL (4 ppt for PFOA and PFOS), with compliance required from 2029.
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
Sfpuc-pleasanton Wells (EPA ID: CA0110018) is a community water system in California that serves approximately 1 people from groundwater sources.
This system provides water to 2 ZIP codes across 1 community.
Violation History
Lead & Copper
No reported lead measurement appears for this PWSID in the accepted LCR snapshot. Absence of a reported measurement is not a measured zero.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Sfpuc-pleasanton Wells (CA0110018) on EPA.gov.
Frequently Asked Questions
Is Sfpuc-pleasanton Wells water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Sfpuc-pleasanton Wells 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 Sfpuc-pleasanton Wells serve?
Sfpuc-pleasanton Wells serves approximately 1 people across 2 ZIP codes in California.
Where does Sfpuc-pleasanton Wells get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Sfpuc-pleasanton Wells Water Quality Report, CA. https://zipcheckup.com/water-system/ca0110018/
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author = {{ZipCheckup}},
title = {{Sfpuc-pleasanton Wells Water Quality Report, CA}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ca0110018/}
}