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DeCordova, TX Tap Water Quality 2026

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

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

Main Utility: Acton Mud PWSID: TX1110007 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 2.25 ppb, 15% of the action level and no violations are open. No PFAS was detected.

A

DeCordova earns an A for water quality

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

Lead: 2.25 ppb — 15% of the federal action level
PFAS tested, none detected
67 violations since 2015, 2 health-based
No violations currently open
DeCordova's lead level vs. all Texas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.25 ppb — 15% of the federal action level
✓ Lower lead than 30% of Texas utilities
Population Served
2974
~41046 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
67 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
15% of EPA action level
2.25 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.25 ppb, 15% 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
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2021–2023 Archived
CYANIDE MONITORING AND REPORTING — 0.2 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
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
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2021–2023 Archived
Fluoride MONITORING AND REPORTING — 4.0 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
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
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
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2020–2022 Archived
Barium MONITORING AND REPORTING — 2 mg/L 2020–2022 Archived
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2020–2022 Archived
Chromium MONITORING AND REPORTING — 0.1 mg/L 2020–2022 Archived
Mercury MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2020–2022 Archived
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2020–2022 Archived
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
Selenium MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2020–2022 Archived
Barium MONITORING AND REPORTING — 2 mg/L 2020–2022 Archived
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2020–2022 Archived
Chromium MONITORING AND REPORTING — 0.1 mg/L 2020–2022 Archived
Mercury MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2020–2022 Archived
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2020–2022 Archived
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
Selenium MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
Endrin MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2020–2022 Archived
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2020–2022 Archived
Simazine MONITORING AND REPORTING — 0.004 mg/L 2020–2022 Archived
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2020–2022 Archived
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2020–2022 Archived
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2020–2022 Archived
LASSO MONITORING AND REPORTING — — 2020–2022 Archived
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2020–2022 Archived
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2020–2022 Archived
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2020–2022 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2020–2022 Archived
Public Notice OTHER — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2016 Resolved
Cadmium MCL EXCEEDANCE 0.006 MG/L 0.005 mg/L 2016 Resolved
Cadmium MCL EXCEEDANCE 0.008 MG/L 0.005 mg/L 2016 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

67 violations are on record since 2015, of which 2 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Acton Mud
PWSID TX1110007
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 2,974
Service connections 41,046
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is DeCordova tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 2.25 ppb, 15% of the action level.
Does DeCordova water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to DeCordova? ▼
Acton Mud (PWSID TX1110007), one of 2 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 2024-07-23. No significant deficiencies were recorded.

What Should DeCordova 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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