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Mont Belvieu, TX Tap Water Quality 2026

Water quality report for Mont Belvieu, TX — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Mont Belvieu's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: City Of Mont Belvieu PWSID: TX0360017 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 2.50 ppb, 17% of the action level and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

Mont Belvieu earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 2.50 ppb — 17% of the federal action level
PFAS sampled, too few results to judge
11 violations since 2015, 5 health-based
No violations currently open
Mont Belvieu's lead level vs. all Texas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.50 ppb — 17% of the federal action level
✓ Lower lead than 26% of Texas utilities
Population Served
7643
~4488 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
11 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
17% of EPA action level
2.50 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.50 ppb, 17% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
TTHM MCL EXCEEDANCE 0.084 MG/L 0.080 mg/L 2026 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2025 Resolved
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2024 Resolved
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2022 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2017 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2017 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2015 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

11 violations are on record since 2015, of which 5 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility City Of Mont Belvieu
PWSID TX0360017
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 7,643
Service connections 4,488
Systems serving this area 3
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Mont Belvieu tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 2.50 ppb, 17% of the action level.
Does Mont Belvieu water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Mont Belvieu? ▼
City Of Mont Belvieu (PWSID TX0360017), one of 3 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-04-20. No significant deficiencies were recorded.

What Should Mont Belvieu Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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