San Patricio County Municipal Utility District 1
EPA ID: TX2050070 · 540 people served · 1 ZIP code
San Patricio County Municipal Utility District 1 carry zero EPA violations in five years — a spotless record for a utility serving 540 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for San Patricio County Municipal Utility District 1 Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
💧 Where Does Your Water Come From?
San Patricio County Municipal Utility District 1'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 3% of homes in San Patricio County, Texas 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
Comparable Water Systems
Similar-sized systems in Texas
System Overview
San Patricio County Municipal Utility District 1 (EPA ID: TX2050070) is a community water system in Texas that serves approximately 540 people from groundwater sources.
This system serves ZIP code 78352 in Edroy.
Average Home Safety Score: A (99/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 78352 | 0.0017 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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
- 78352 — Edroy
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for San Patricio County Municipal Utility District 1 (TX2050070) on EPA.gov.
Frequently Asked Questions
Is San Patricio County Municipal Utility District 1 water safe to drink?
Based on EPA records, San Patricio County Municipal Utility District 1 has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does San Patricio County Municipal Utility District 1 serve?
San Patricio County Municipal Utility District 1 serves approximately 540 people across 1 ZIP code in Texas.
Where does San Patricio County Municipal Utility District 1 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.