Lake County Csa 20 - Soda Bay
EPA ID: CA1710022 · 2,003 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Lake County Csa 20 - Soda Bay (CA1710022): no EPA violations recorded in the last five years. Five years of EPA monitoring have produced no violations for Lake County Csa 20 - Soda Bay - the supplier serving 2,003 residents has kept every contaminant level within federal limits, a result that places it among the top-performing utilities for systems with a service population of comparable size.
Data: EPA SDWIS
Service Area Map
Coverage area for Lake County Csa 20 - Soda Bay Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Lake County Csa 20 - Soda Bay serves a community with a median household income of $65,417 and an estimated 12,793 residents across its service area. Approximately 53% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 73% 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?
Lake County Csa 20 - Soda Bay'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
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 20 - Soda Bay (EPA ID: CA1710022) is a community water system in California that serves approximately 2,003 people from surface water sources.
This system serves ZIP code 95451 in Kelseyville.
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.
- 95451 - Kelseyville
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lake County Csa 20 - Soda Bay (CA1710022) on EPA.gov.
Frequently Asked Questions
Is Lake County Csa 20 - Soda Bay water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Lake County Csa 20 - Soda Bay 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 20 - Soda Bay serve?
Lake County Csa 20 - Soda Bay serves approximately 2,003 people across 1 ZIP code in California.
Where does Lake County Csa 20 - Soda Bay get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lake County Csa 20 - Soda Bay Water Quality Report, CA. https://zipcheckup.com/water-system/ca1710022/
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