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Rosenberg, TX Tap Water Quality 2026

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

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

Main Utility: City Of Rosenberg PWSID: TX0790003 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 2.52 ppb, 17% of the action level and no violations are open. No PFAS was detected.

A

Rosenberg earns an A for water quality

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

Lead: 2.52 ppb — 17% of the federal action level
PFAS tested, none detected
17 violations since 2015, 0 health-based
No violations currently open
Rosenberg's lead level vs. all Texas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.52 ppb — 17% of the federal action level
✓ Lower lead than 25% of Texas utilities
Population Served
37917
~13863 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
17 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
17% of EPA action level
2.52 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.52 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
Endrin MONITORING AND REPORTING — 0.002 mg/L 2022–2024 Archived
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2022–2024 Archived
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2022–2024 Archived
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2022–2024 Archived
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2022–2024 Archived
Simazine MONITORING AND REPORTING — 0.004 mg/L 2022–2024 Archived
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2022–2024 Archived
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2022–2024 Archived
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2022–2024 Archived
LASSO MONITORING AND REPORTING — — 2022–2024 Archived
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2022–2024 Archived
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2022–2024 Archived
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2022–2024 Archived
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2022–2024 Archived
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2022–2024 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2022–2024 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2019 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

17 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 Rosenberg
PWSID TX0790003
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 37,917
Service connections 13,863
Systems serving this area 10
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Rosenberg tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 2.52 ppb, 17% of the action level.
Does Rosenberg water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Rosenberg? ▼
City Of Rosenberg (PWSID TX0790003), one of 10 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 2023-02-23. No significant deficiencies were recorded.

What Should Rosenberg 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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