Lake County Csa 2 - Spring Valley
EPA ID: CA1710018 · 1,531 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Lake County Csa 2 - Spring Valley (CA1710018): no drinking-water violations recorded since 2021. Zero violations are listed in EPA monitoring data for Lake County Csa 2 - Spring Valley; a count of records like this is not a water-quality test for the 1,531 residents it serves.
Data: EPA SDWIS
Service Area Map
Coverage area for Lake County Csa 2 - Spring Valley Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Lake County Csa 2 - Spring Valley have a median household income of $42,625 and about 20,603 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 69% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 73% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). 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?
Lake County Csa 2 - Spring Valley's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.
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. 2 detections recorded.
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
Lake County Csa 2 - Spring Valley (EPA ID: CA1710018) is a community water system in California that serves approximately 1,531 people from surface water sources.
This system provides water to 3 ZIP codes across 3 communities.
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.
Radon Risk in Service Area
3 of 3 ZIP records with known zones are in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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 Lake County Csa 2 - Spring Valley (CA1710018) on EPA.gov.
Frequently Asked Questions
Is Lake County Csa 2 - Spring Valley water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Lake County Csa 2 - Spring Valley 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 Lake County Csa 2 - Spring Valley serve?
Lake County Csa 2 - Spring Valley serves approximately 1,531 people across 3 ZIP codes in California.
Where does Lake County Csa 2 - Spring Valley get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lake County Csa 2 - Spring Valley Water Quality Report, CA. https://zipcheckup.com/water-system/ca1710018/
@misc{zipcheckup-water-system-ca1710018,
author = {{ZipCheckup}},
title = {{Lake County Csa 2 - Spring Valley Water Quality Report, CA}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ca1710018/}
}