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Sherman, TX Tap Water Quality 2026

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

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

Main Utility: City Of Sherman PWSID: TX0910006 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. No PFAS was detected.

A

Sherman earns an A for water quality

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

Lead: not detected
PFAS tested, none detected
21 violations since 2015, 0 health-based
No violations currently open
Sherman's lead level vs. all Texas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Texas utilities
Population Served
43153
~23706 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
21 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2021–2023 Archived
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2021–2023 Archived
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2021–2023 Archived
Aldicarb sulfoxide MONITORING AND REPORTING — — 2021–2023 Archived
Aldicarb sulfone MONITORING AND REPORTING — — 2021–2023 Archived
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2021–2023 Archived
Aldicarb MONITORING AND REPORTING — — 2021–2023 Archived
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2021–2023 Archived
Picloram MONITORING AND REPORTING — 0.5 mg/L 2021–2023 Archived
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2021–2023 Archived
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2021–2023 Archived
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2021–2023 Archived
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2021–2023 Archived
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2021–2023 Archived
Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 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

21 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 Sherman
PWSID TX0910006
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 43,153
Service connections 23,706
Systems serving this area 10
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Sherman tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Sherman water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Sherman? ▼
City Of Sherman (PWSID TX0910006), one of 10 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-09-25. No significant deficiencies were recorded.

What Should Sherman 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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