C51/100
CITY OF PORT ARTHUR — Water Quality Report 2026
Serving 56,039 people · Texas
Water Source
Surface Water
County
—
System ID
TX1230009
Violations
14
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
2
Health-Related
TIER 1 — URGENTResolved
Violation related to Nitrate
When: January 1, 2025 – January 31, 2025Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: February 10, 2024 – May 7, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: February 1, 2024 – February 29, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About CITY OF PORT ARTHUR
Is CITY OF PORT ARTHUR water safe to drink?
CITY OF PORT ARTHUR water receives a grade of C (51/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 14 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CITY OF PORT ARTHUR detected?
69 contaminants were tested in CITY OF PORT ARTHUR's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CITY OF PORT ARTHUR have any EPA violations?
Yes, CITY OF PORT ARTHUR has 14 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, Other, MR. 8 are health-based violations.
How many people does CITY OF PORT ARTHUR serve?
CITY OF PORT ARTHUR serves approximately 56,039 people, Texas.
What type of water does CITY OF PORT ARTHUR provide?
CITY OF PORT ARTHUR sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX1230009.
How does CITY OF PORT ARTHUR compare to other utilities in Texas?
CITY OF PORT ARTHUR scores 51/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Texas state page for a full comparison of water systems.