Edna Valley Ranch East
EPA ID: CA4000202 · 132 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Edna Valley Ranch East (CA4000202): no drinking-water violations recorded since 2021. Edna Valley Ranch East has no EPA violations on record; the utility serves 132 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Edna Valley Ranch East Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Edna Valley Ranch East have a median household income of $95,386 and about 29,995 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Edna Valley Ranch East'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.
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
Edna Valley Ranch East (EPA ID: CA4000202) is a community water system in California that serves approximately 132 people from groundwater sources.
This system serves ZIP code 93401 in San Luis Obispo.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2025-12-31 |
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.
- 93401 - San Luis Obispo
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Edna Valley Ranch East (CA4000202) on EPA.gov.
Frequently Asked Questions
Is Edna Valley Ranch East water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Edna Valley Ranch East 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 Edna Valley Ranch East serve?
Edna Valley Ranch East serves approximately 132 people across 1 ZIP code in California.
Where does Edna Valley Ranch East get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Edna Valley Ranch East Water Quality Report, CA. https://zipcheckup.com/water-system/ca4000202/
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title = {{Edna Valley Ranch East Water Quality Report, CA}},
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