Plains, TX Tap Water Quality 2026

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

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

Main Utility: City Of Plains PWSID: TX2510002 Updated: 2026 Q2

✅

No federal limits exceeded on record

Lead is 0.46 ppb, 3% of the action level and no violations are open. PFAS has never been sampled at this system.

Plains earns a B for water quality

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

Lead: 0.46 ppb — 3% of the federal action level

PFAS never sampled at this system

72 violations since 2015, 71 health-based

No violations currently open

Plains's lead level vs. all Texas community water systems

0 ppb5 ppb10 ppb15 ppb

Lead level: 0.46 ppb — 3% of the federal action level

✓ Lower lead than 99% of Texas utilities

Population Served

1355

~668 connections

Water Source

Groundwater

Drawn from wells — SDWIS source code GW

Active Violations

72 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)

90th percentile of tap samples collected across the distribution system

3% of EPA action level

0.46 ppb

Action level: 15 ppb

The 90th-percentile lead result is 0.46 ppb, 3% 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)

Contaminant	Type	Measured	Limit	Period	Status
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2026	Addressed
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2026	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2025	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2025	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2025	Archived
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2025	Archived
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2024	Archived
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2024	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2024	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2024	Archived
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2023	Archived
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2023	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2023	Resolved
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2023	Archived
Fluoride	MCL EXCEEDANCE	4.2 MG/L	4.0 mg/L	2023	Resolved
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2023	Archived
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2022	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2022	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2022	Resolved
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2022	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2022	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2021	Resolved
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2021	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2021	Resolved
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2021	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2021	Resolved
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2021	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2021	Resolved
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2021	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2020	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2020	Resolved
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2020	Archived
Fluoride	MCL EXCEEDANCE	4.2 MG/L	4.0 mg/L	2020	Resolved
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2020	Archived
Public Notice	OTHER	—	—	2020	Resolved
Fluoride	MCL EXCEEDANCE	4.2 MG/L	4.0 mg/L	2020	Resolved
Arsenic	MCL EXCEEDANCE	0.014 MG/L	0.010 mg/L	2020	Archived
Fluoride	MCL EXCEEDANCE	4.2 MG/L	4.0 mg/L	2019	Resolved
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2019	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2019	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2019	Archived
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2019	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2018	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2018	Archived
Fluoride	MCL EXCEEDANCE	4.5 MG/L	4.0 mg/L	2018	Resolved
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2018	Archived
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2018	Archived
Fluoride	MCL EXCEEDANCE	4.4 MG/L	4.0 mg/L	2018	Resolved
Fluoride	MCL EXCEEDANCE	4.4 MG/L	4.0 mg/L	2017	Resolved
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2017	Archived
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2017	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2017	Resolved
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2017	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2017	Resolved
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2017	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2017	Resolved
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2016	Resolved
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2016	Archived
Fluoride	MCL EXCEEDANCE	4.2 MG/L	4.0 mg/L	2016	Resolved
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2016	Archived
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2016	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2016	Resolved
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2016	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2016	Resolved
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2015	Archived
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2015	Resolved
Fluoride	MCL EXCEEDANCE	4.1 MG/L	4.0 mg/L	2015	Resolved
Arsenic	MCL EXCEEDANCE	0.013 MG/L	0.010 mg/L	2015	Archived
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2015	Archived
Fluoride	MCL EXCEEDANCE	4.2 MG/L	4.0 mg/L	2015	Resolved
Arsenic	MCL EXCEEDANCE	0.012 MG/L	0.010 mg/L	2015	Archived
Fluoride	MCL EXCEEDANCE	4.2 MG/L	4.0 mg/L	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

72 violations are on record since 2015, of which 71 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility City Of Plains

PWSID TX2510002

Water source Groundwater — Drawn from wells — SDWIS source code GW

Population served 1,355

Service connections 668

Systems serving this area 1

Regulator State primacy agency

Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Plains tap water safe to drink? ▼

No federal limit is exceeded on record. No violations are currently open. Lead is 0.46 ppb, 3% of the action level.

Does Plains water have PFAS? ▼

This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.

Who supplies water to Plains? ▼

City Of Plains (PWSID TX2510002). Groundwater. Drawn from wells — SDWIS source code GW

When was this system last inspected? ▼

It was last inspected on 2024-06-26. No significant deficiencies were recorded.

What Should Plains Residents Do?

Read your annual water report

Your supplier publishes a Consumer Confidence Report each July covering the prior year.

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.

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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