Tooleville Mutual Non Profit Water Assn
EPA ID: CA5400567 · 340 people served · 1 ZIP code
Even as other utilities in the region logged violations, Tooleville Mutual Non Profit Water Assn kept a clean EPA record — five years, no issues, 340 people served.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2022) to 2 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Tooleville Mutual Non Profit Water Assn Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Tooleville Mutual Non Profit Water Assn serves a community with a median household income of $84,121 and an estimated 14,399 residents across its service area. Approximately 59% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 78% 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?
Tooleville Mutual Non Profit Water Assn'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 Tulare 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
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
Tooleville Mutual Non Profit Water Assn (EPA ID: CA5400567) is a community water system in California that serves approximately 340 people from groundwater sources.
This system serves ZIP code 93221 in Exeter.
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
- 93221 — Exeter
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Tooleville Mutual Non Profit Water Assn (CA5400567) on EPA.gov.
Frequently Asked Questions
Is Tooleville Mutual Non Profit Water Assn water safe to drink?
Based on EPA records, Tooleville Mutual Non Profit Water Assn has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Tooleville Mutual Non Profit Water Assn serve?
Tooleville Mutual Non Profit Water Assn serves approximately 340 people across 1 ZIP code in California.
Where does Tooleville Mutual Non Profit Water Assn get its water?
The primary water source is groundwater.