Blue Lakes Improvement Club
EPA ID: CA1700561 · 90 people served · 1 ZIP code
Blue Lakes Improvement Club's five-year compliance history is clean by every EPA metric — no health-based violations, no monitoring lapses, no enforcement actions on record, reflecting consistent performance for a utility that supplies water to approximately 90 residents year after year.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Blue Lakes Improvement Club Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Blue Lakes Improvement Club serves a community with a median household income of $84,583 and an estimated 2,900 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.
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?
Blue Lakes Improvement Club'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.
About 2% of homes in Lake County, California rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
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
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
Blue Lakes Improvement Club (EPA ID: CA1700561) is a community water system in California that serves approximately 90 people from groundwater sources.
This system serves ZIP code 95485 in Upper Lake.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 95485 — Upper Lake
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Blue Lakes Improvement Club (CA1700561) on EPA.gov.
Frequently Asked Questions
Is Blue Lakes Improvement Club water safe to drink?
Based on EPA records, Blue Lakes Improvement Club has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Blue Lakes Improvement Club serve?
Blue Lakes Improvement Club serves approximately 90 people across 1 ZIP code in California.
Where does Blue Lakes Improvement Club get its water?
The primary water source is groundwater.