Golden State Water Company - Edna
EPA ID: CA4010023 · 1,493 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Golden State Water Company - Edna (CA4010023): no EPA violations recorded in the last five years. From the earliest to the most recent cycle in the five-year EPA window, Golden State Water Company - Edna has logged zero violations - no MCL exceedances, no health advisories, and no enforcement activity across the entire period for the 1,493 people in its service area, a record that stands up well against both state and national benchmarks.
Data: EPA SDWIS
Service Area Map
Coverage area for Golden State Water Company - Edna Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Golden State Water Company - Edna serves a community with a median household income of $73,934 and an estimated 54,877 residents across its service area. Approximately 56% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Golden State Water Company - Edna'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
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
Golden State Water Company - Edna (EPA ID: CA4010023) is a community water system in California that serves approximately 1,493 people from groundwater 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.
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 Golden State Water Company - Edna (CA4010023) on EPA.gov.
Frequently Asked Questions
Is Golden State Water Company - Edna water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Golden State Water Company - Edna 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 Golden State Water Company - Edna serve?
Golden State Water Company - Edna serves approximately 1,493 people across 3 ZIP codes in California.
Where does Golden State Water Company - Edna get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Golden State Water Company - Edna Water Quality Report, CA. https://zipcheckup.com/water-system/ca4010023/
@misc{zipcheckup-water-system-ca4010023,
author = {{ZipCheckup}},
title = {{Golden State Water Company - Edna Water Quality Report, CA}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ca4010023/}
}