The River Community
EPA ID: CA1900616 · 35 people served · 1 ZIP code
Five clean years on EPA record — The River Community, 35 residents served.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for The River Community Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The The River Community serves a community with a median household income of $87,577 and an estimated 61,766 residents across its service area. Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 49% 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?
The River Community'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 70th 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. 3 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds 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
The River Community (EPA ID: CA1900616) is a community water system in California that serves approximately 35 people from groundwater sources.
This system serves ZIP code 91702 in Azusa.
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
- 91702 — Azusa
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for The River Community (CA1900616) on EPA.gov.
Frequently Asked Questions
Is The River Community water safe to drink?
Based on EPA records, The River Community has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does The River Community serve?
The River Community serves approximately 35 people across 1 ZIP code in California.
Where does The River Community get its water?
The primary water source is groundwater.