PlainWater

Community Water System · PWS TX0200615

Brazoria County MUD 25

Houston, Texas 77027-7537 - drinking water served from groundwater sources to 5,250 people, tracked in EPA SDWIS and UCMR5.

5,250
People served
97
EPA violations
0
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 97 drinking-water violations at Brazoria County MUD 25 - below the Texas per-system average.

97
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
5,250
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Brazoria County MUD 25

Brazoria County MUD 25 is a local-owned community water system that delivers drinking water to 5,250 residents in Houston, Texas (Brazoria County) through 1,751 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 97 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 96 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 4 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Texas, EPA tracks 7,351 public water systems serving 33,253,313 people, with 746,210 cumulative violations and 162,945 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 101.5 violations. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%).

Brazoria County MUD 25's 97 violations sit below the Texas average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
5,250
Total Violations
97
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,751
County
Brazoria
School/Daycare
No
MCL Violations
0
Monitoring Violations
96
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 4 2004
1,2,4-Trichlorobenzene MR 4 2023
o-Dichlorobenzene MR 4 2023
Vinyl chloride MR 4 2023
1,1,1-Trichloroethane MR 4 2023
1,2-Dichloropropane MR 4 2023
1,1,2-Trichloroethane MR 4 2023
CHLOROBENZENE MR 4 2023
Nitrate MR 4 2023
Xylenes, Total MR 4 2023
1,1-Dichloroethylene MR 4 2023
Benzene MR 4 2023
Tetrachloroethylene MR 4 2023
Toluene MR 4 2023
cis-1,2-Dichloroethylene MR 4 2023
p-Dichlorobenzene MR 4 2023
DICHLOROMETHANE MR 4 2023
Carbon tetrachloride MR 4 2023
Styrene MR 4 2023
trans-1,2-Dichloroethylene MR 4 2023
Trichloroethylene MR 4 2023
1,2-Dichloroethane MR 4 2023
Ethylbenzene MR 4 2023
Chlorine MR 3 2009
Public Notice Other 1 2004
CYANIDE MR 1 2021

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFOS 4/19/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 4/19/2024 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 4/19/2024 <5.00 ppt 5.00 ppt Not Detected
PFNA 4/19/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 4/19/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 4/19/2024 <5.00 ppt 5.00 ppt Not Detected
PFTA 4/19/2024 <8.00 ppt 8.00 ppt Not Detected
9Cl-PF3ONS 4/19/2024 <2.00 ppt 2.00 ppt Not Detected
PFTrDA 4/19/2024 <7.00 ppt 7.00 ppt Not Detected
PFHpS 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 4/19/2024 <2.00 ppt 2.00 ppt Not Detected
PFPeS 4/19/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 4/19/2024 <20.00 ppt 20.00 ppt Not Detected
PFEESA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 4/19/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 4/19/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 4/19/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 4/19/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 4/19/2024 <5.00 ppt 5.00 ppt Not Detected
PFPeA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
ADONA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 4/19/2024 <5.00 ppt 5.00 ppt Not Detected
PFDA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 4/19/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 4/19/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 4/19/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 4/19/2024 <4.00 ppt 4.00 ppt Not Detected
PFUnA 4/19/2024 <2.00 ppt 2.00 ppt Not Detected
PFBS 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 4/19/2024 <20.00 ppt 20.00 ppt Not Detected
NMeFOSAA 4/19/2024 <6.00 ppt 6.00 ppt Not Detected
PFOA 4/19/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 4/19/2024 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 4/19/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxS 4/19/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 4/19/2024 <5.00 ppt 5.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Brazoria County MUD 25.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID TX0200615 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Texas Drinking Water Authority

Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch is the primacy agency that licenses and inspects Brazoria County MUD 25 under EPA-delegated authority.

Open TX regulator portal

Source: Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2023 1,2,4-Trichlorobenzene MR 4 SDWIS / TX0200615 / 2378
2023 o-Dichlorobenzene MR 4 SDWIS / TX0200615 / 2968
2023 Vinyl chloride MR 4 SDWIS / TX0200615 / 2976
2023 1,1,1-Trichloroethane MR 4 SDWIS / TX0200615 / 2981
2023 1,2-Dichloropropane MR 4 SDWIS / TX0200615 / 2983
2023 1,1,2-Trichloroethane MR 4 SDWIS / TX0200615 / 2985
2023 CHLOROBENZENE MR 4 SDWIS / TX0200615 / 2989
2023 Nitrate MR 4 SDWIS / TX0200615 / 1040
2023 Xylenes, Total MR 4 SDWIS / TX0200615 / 2955
2023 1,1-Dichloroethylene MR 4 SDWIS / TX0200615 / 2977
2023 Benzene MR 4 SDWIS / TX0200615 / 2990
2023 Tetrachloroethylene MR 4 SDWIS / TX0200615 / 2987
2023 Toluene MR 4 SDWIS / TX0200615 / 2991
2023 cis-1,2-Dichloroethylene MR 4 SDWIS / TX0200615 / 2380
2023 p-Dichlorobenzene MR 4 SDWIS / TX0200615 / 2969

How Brazoria County MUD 25 Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Brazoria County MUD 25 Texas avg Federal benchmark
Total violations 97 101.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 93.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 5,250 4,524 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,351 regulated public water systems in Texas.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Brazoria County MUD 25 water safe to drink?
Brazoria County MUD 25 (PWS ID: TX0200615) has 97 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 5,250 people using Groundwater sources.
How many people does Brazoria County MUD 25 serve?
Brazoria County MUD 25 serves 5,250 people in Houston, Texas. It is a Local-owned system using Groundwater water sources with 1,751 service connections.
What type of violations does Brazoria County MUD 25 have?
Brazoria County MUD 25 has 97 total violations: 0 health-based violations (MCL exceedances or treatment failures), 96 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Brazoria County MUD 25 water?
No. Brazoria County MUD 25 was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Brazoria County MUD 25 use?
Brazoria County MUD 25 uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.