Vista Grande Water System
EPA ID: CA5200012 · 468 people served · 2 ZIP codes
From the earliest to the most recent cycle in the five-year EPA window, Vista Grande Water System has logged zero violations — no MCL exceedances, no health advisories, and no enforcement activity across the entire period for the 468 people in its service area, a record that stands up well against both state and national benchmarks.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Vista Grande Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Vista Grande Water System serves a community with a median household income of $57,351 and an estimated 35,117 residents across its service area. Approximately 56% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% 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?
Vista Grande Water System'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 Tehama 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. 4 detections recorded. 1 exceeds 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
Vista Grande Water System (EPA ID: CA5200012) is a community water system in California that serves approximately 468 people from groundwater sources.
This system provides water to 2 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: 1 ZIP code confirmed via EPA Community Water System Service Area Boundaries v3 plus 1 additional ZIP inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Vista Grande Water System (CA5200012) on EPA.gov.
Frequently Asked Questions
Is Vista Grande Water System water safe to drink?
Based on EPA records, Vista Grande Water System has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Vista Grande Water System serve?
Vista Grande Water System serves approximately 468 people across 2 ZIP codes in California.
Where does Vista Grande Water System get its water?
The primary water source is groundwater.