Mil Potrero Mwc
EPA ID: CA1510028 · 2,200 people served · 4 ZIP codes
ZipCheckup's reading of EPA SDWIS for Mil Potrero Mwc (CA1510028): no EPA violations recorded in the last five years. Five clean years on EPA record - Mil Potrero Mwc, 2,200 residents served.
Data: EPA SDWIS
Service Area Map
Coverage area for Mil Potrero Mwc Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mil Potrero Mwc serves a community with a median household income of $51,787 and an estimated 61,004 residents across its service area. Approximately 57% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 67% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. 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?
Mil Potrero Mwc's water is pumped from underground aquifers. 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.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 8 detections recorded. 2 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
Mil Potrero Mwc (EPA ID: CA1510028) is a community water system in California that serves approximately 2,200 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.011 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.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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 Mil Potrero Mwc (CA1510028) on EPA.gov.
Frequently Asked Questions
Is Mil Potrero Mwc water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Mil Potrero Mwc 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 Mil Potrero Mwc serve?
Mil Potrero Mwc serves approximately 2,200 people across 4 ZIP codes in California.
Where does Mil Potrero Mwc get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mil Potrero Mwc Water Quality Report, CA. https://zipcheckup.com/water-system/ca1510028/
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title = {{Mil Potrero Mwc Water Quality Report, CA}},
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url = {https://zipcheckup.com/water-system/ca1510028/}
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