California Institution for Women
EPA ID: CA3610851 · 1,195 people served · 8 ZIP codes
Across every monitored period in the past five years, California Institution for Women reported no EPA violations for its service population of 1,195.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 69% chance of violation in next 12 months
Violations went from 1 (2022) to 1 (2025). Violation counts have remained relatively steady.
Service Area Map
Coverage area for California Institution for Women Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The California Institution for Women serves a community with a median household income of $115,536 and an estimated 279,959 residents across its service area.
Environmental Justice Note: 45% 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?
California Institution for Women'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.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 33 detections recorded.
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
California Institution for Women (EPA ID: CA3610851) is a community water system in California that serves approximately 1,195 people from groundwater sources.
This system provides water to 8 ZIP codes across 2 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: 2 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 6 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.
- 91708 — Chino
- 92877 — Corona
- 92878 — Corona
- 92879 — Corona
- 92880 — Corona
- 92881 — Corona
- 92882 — Corona
- 92883 — Corona
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for California Institution for Women (CA3610851) on EPA.gov.
Frequently Asked Questions
Is California Institution for Women water safe to drink?
Based on EPA records, California Institution for Women has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does California Institution for Women serve?
California Institution for Women serves approximately 1,195 people across 8 ZIP codes in California.
Where does California Institution for Women get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.