Calico Lake Homeowners
EPA ID: CA3601036 · 150 people served · 3 ZIP codes
Throughout five consecutive years of federal water monitoring, Calico Lake Homeowners recorded zero violations — solid performance for a utility serving 150 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Calico Lake Homeowners Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Calico Lake Homeowners serves a community with a median household income of $82,929 and an estimated 108,577 residents across its service area.
Environmental Justice Note: 51% 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?
Calico Lake Homeowners'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 1% of homes in San Bernardino 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
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 7 detections recorded. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS). 2 exceed state limits.
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
Calico Lake Homeowners (EPA ID: CA3601036) is a community water system in California that serves approximately 150 people from groundwater sources.
This system provides water to 3 ZIP codes across 1 community.
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
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Calico Lake Homeowners (CA3601036) on EPA.gov.
Frequently Asked Questions
Is Calico Lake Homeowners water safe to drink?
Based on EPA records, Calico Lake Homeowners has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Calico Lake Homeowners serve?
Calico Lake Homeowners serves approximately 150 people across 3 ZIP codes in California.
Where does Calico Lake Homeowners get its water?
The primary water source is groundwater.