City of Petrolia
EPA ID: TX0390002 · 514 people served · 1 ZIP code
Across every monitored period in the past five years, City of Petrolia reported no EPA violations for its service population of 514.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for City of Petrolia Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The City of Petrolia serves a community with a median household income of $62,679 and an estimated 470 residents across its service area. Approximately 81% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
City of Petrolia'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 Clay 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
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
City of Petrolia (EPA ID: TX0390002) is a community water system in Texas that serves approximately 514 people from groundwater sources.
This system serves ZIP code 76377 in Petrolia.
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
- 76377 — Petrolia
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Petrolia (TX0390002) on EPA.gov.
Frequently Asked Questions
Is City of Petrolia water safe to drink?
Based on EPA records, City of Petrolia has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does City of Petrolia serve?
City of Petrolia serves approximately 514 people across 1 ZIP code in Texas.
Where does City of Petrolia get its water?
The primary water source is groundwater.