Terrell, TX Tap Water Quality 2026

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

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

Main Utility: City Of Terrell PWSID: TX1290006 Updated: 2026 Q2

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PFAS above the federal limit

Lead is 2.04 ppb, 14% of the action level and no violations are open. However, PFAS exceeds the federal limit at 1 of 1 sampling points, running as high as 1.81 times the limit.

Terrell earns a B for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 2.04 ppb — 14% of the federal action level

PFAS above the federal limit at 1 of 1 sampling points

3 violations since 2015, 0 health-based

No violations currently open

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

0 ppb5 ppb10 ppb15 ppb

Lead level: 2.04 ppb — 14% of the federal action level

✓ Lower lead than 35% of Texas utilities

Population Served

17151

~20730 connections

Water Source

Surface water

Purchased from another system — SDWIS source code SWP

Active Violations

3 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)

90th percentile of tap samples collected across the distribution system

14% of EPA action level

2.04 ppb

Action level: 15 ppb

The 90th-percentile lead result is 2.04 ppb, 14% 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
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2025	Resolved
LEAD AND COPPER RULE REVISIONS	REPORTING FAILURE	—	—	2025	Resolved
Consumer Confidence Rule	OTHER	—	—	2025	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

3 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility City Of Terrell

PWSID TX1290006

Water source Surface water — Purchased from another system — SDWIS source code SWP

Population served 17,151

Service connections 20,730

Systems serving this area 7

Regulator State primacy agency

Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Terrell tap water safe to drink? ▼

It meets most federal standards, but PFAS exceeds the federal limit at 1 of 1 sampling points. No violations are currently open. Lead is 2.04 ppb, 14% of the action level.

Does Terrell water have PFAS? ▼

Yes. PFAS exceeds the federal limit at 1 of 1 sampling points, running as high as 1.81 times the limit. Limits are enforced on a running annual average at each sampling point, not on a single sample.

Who supplies water to Terrell? ▼

City Of Terrell (PWSID TX1290006), one of 7 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP

When was this system last inspected? ▼

It was last inspected on 2024-09-26. No significant deficiencies were recorded.

What Should Terrell Residents Do?

Consider a reverse-osmosis filter

Reverse osmosis removes more than 95% of PFAS. Standard carbon pitchers do not.

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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