San Jo Utilities
EPA ID: TX1700327 · 792 people served · 2 ZIP codes
EPA data: San Jo Utilities — zero violations, five years, 792 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 3 (2023) to 4 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for San Jo Utilities Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The San Jo Utilities serves a community with a median household income of $121,584 and an estimated 62,986 residents across its service area.
💧 Where Does Your Water Come From?
San Jo Utilities'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 Montgomery County, Texas 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. 3 detections recorded. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS).
Comparable Water Systems
Similar-sized systems in Texas
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 Jo Utilities (EPA ID: TX1700327) is a community water system in Texas that serves approximately 792 people from groundwater sources.
This system provides water to 2 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
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for San Jo Utilities (TX1700327) on EPA.gov.
Frequently Asked Questions
Is San Jo Utilities water safe to drink?
Based on EPA records, San Jo Utilities has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does San Jo Utilities serve?
San Jo Utilities serves approximately 792 people across 2 ZIP codes in Texas.
Where does San Jo Utilities get its water?
The primary water source is groundwater.