West End Consolidated Water Company
EPA ID: CA3610086 · 0 people served · 7 ZIP codes
Over five tracked years, West End Consolidated Water Company has stayed completely violation-free for its 0 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for West End Consolidated Water Company Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The West End Consolidated Water Company serves a community with a median household income of $111,789 and an estimated 203,822 residents across its service area. Approximately 75% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 50% 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?
West End Consolidated Water Company'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 Los Angeles 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 64th 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. 18 detections recorded. 5 exceed federal EPA limits (4 ppt for PFOA/PFOS). 4 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
West End Consolidated Water Company (EPA ID: CA3610086) is a community water system in California that serves approximately 0 people from groundwater sources.
This system provides water to 7 ZIP codes across 5 communities.
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
Coverage: 4 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 3 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
- 91711 — Claremont
- 91750 — La Verne
- 91759 — Mt Baldy
- 91767 — Pomona
- 91784 — Upland
- 91785 — Upland
- 91786 — Upland
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for West End Consolidated Water Company (CA3610086) on EPA.gov.
Frequently Asked Questions
Is West End Consolidated Water Company water safe to drink?
Based on EPA records, West End Consolidated Water Company has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does West End Consolidated Water Company serve?
West End Consolidated Water Company serves approximately 0 people across 7 ZIP codes in California.
Where does West End Consolidated Water Company get its water?
The primary water source is groundwater.