South Midway City Mutual Water Company
EPA ID: CA3000825 · 891 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for South Midway City Mutual Water Company (CA3000825): no EPA violations recorded in the last five years. Water monitoring for South Midway City Mutual Water Company: clean, five years, 891 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for South Midway City Mutual Water Company Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The South Midway City Mutual Water Company serves a community with a median household income of $86,240 and an estimated 66,895 residents across its service area. Approximately 79% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
South Midway City Mutual Water Company'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.
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 Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 4 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS).
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
South Midway City Mutual Water Company (EPA ID: CA3000825) is a community water system in California that serves approximately 891 people from groundwater sources.
This system provides water to 2 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 South Midway City Mutual Water Company (CA3000825) on EPA.gov.
Frequently Asked Questions
Is South Midway City Mutual Water Company water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for South Midway City Mutual Water Company 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 South Midway City Mutual Water Company serve?
South Midway City Mutual Water Company serves approximately 891 people across 2 ZIP codes in California.
Where does South Midway City Mutual Water Company get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). South Midway City Mutual Water Company Water Report, CA. https://zipcheckup.com/water-system/ca3000825/
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