San Bernardino Valley Water District
EPA ID: CA3610019 · 109,608 people served · 18 ZIP codes
In every reporting cycle over the past five years, San Bernardino Valley Water District has come through without a single EPA violation — a consistent performance across the full service population of approximately 109,608 residents that reflects both well-maintained infrastructure and reliable operational oversight.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for San Bernardino Valley Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The San Bernardino Valley Water District serves a community with a median household income of $59,271 and an estimated 255,071 residents across its service area. Approximately 73% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
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?
San Bernardino Valley Water District'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. 40 detections recorded. 6 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
San Bernardino Valley Water District (EPA ID: CA3610019) is a community water system in California that serves approximately 109,608 people from groundwater sources.
This system provides water to 18 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
- 92401 — San Bernardino
- 92402 — San Bernardino
- 92403 — San Bernardino
- 92404 — San Bernardino
- 92405 — San Bernardino
- 92406 — San Bernardino
- 92407 — San Bernardino
- 92408 — San Bernardino
- 92410 — San Bernardino
- 92411 — San Bernardino
- 92412 — San Bernardino
- 92413 — San Bernardino
- 92414 — San Bernardino
- 92415 — San Bernardino
- 92418 — San Bernardino
- 92423 — San Bernardino
- 92424 — San Bernardino
- 92427 — San Bernardino
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for San Bernardino Valley Water District (CA3610019) on EPA.gov.
Frequently Asked Questions
Is San Bernardino Valley Water District water safe to drink?
Based on EPA records, San Bernardino Valley Water District has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does San Bernardino Valley Water District serve?
San Bernardino Valley Water District serves approximately 109,608 people across 18 ZIP codes in California.
Where does San Bernardino Valley Water District get its water?
The primary water source is groundwater.