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DYESS AIR FORCE BASE

PWS ID: TX2210013 · DYESS AFB, Texas 79607-1604

DYESS AIR FORCE BASE serves 7,183 people in DYESS AFB, Texas using Surface Water water sources. It has 24 recorded EPA violations, including 0 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (9 compounds found).

Water Quality Snapshot: DYESS AIR FORCE BASE

DYESS AIR FORCE BASE is a federal-owned community water system that delivers drinking water to 7,183 residents in DYESS AFB, Texas (Taylor County) through 1,500 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 24 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 19 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 12 violations (MON). Under EPA's UCMR5 PFAS monitoring program, 9 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 18.8 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. DYESS AIR FORCE BASE's 24 violations sit below the Texas average. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

9 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
7,183
Total Violations
24
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Federal
Connections
1,500
County
Taylor
School/Daycare
No
MCL Violations
0
Monitoring Violations
19
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 12 2020
Chlorine MR 4 2021
Lead and Copper Rule MR 3 2017

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 56 of 182 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpS 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/9/2025 0.0180 µg/L 0.004 µg/L Detected
PFBA 7/9/2025 0.0200 µg/L 0.005 µg/L Detected
9Cl-PF3ONS 7/9/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/9/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/9/2025 0.0120 µg/L 0.003 µg/L Detected
PFDoA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/9/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFOA 7/9/2025 0.0047 µg/L 0.004 µg/L Detected
PFMBA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 7/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/9/2025 0.0120 µg/L 0.003 µg/L Detected
ADONA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 7/9/2025 0.0050 µg/L 0.003 µg/L Detected
PFHpA 7/9/2025 0.0068 µg/L 0.003 µg/L Detected
PFHxS 7/9/2025 0.0150 µg/L 0.003 µg/L Detected
PFNA 7/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 7/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/23/2025 0.0136 µg/L 0.003 µg/L Detected
PFTA 7/23/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFPeA 7/23/2025 0.0100 µg/L 0.003 µg/L Detected
PFUnA 7/23/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 7/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 7/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/23/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 7/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/23/2025 9.2100 µg/L 9 µg/L Detected
PFMPA 7/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 7/23/2025 0.0149 µg/L 0.003 µg/L Detected
PFBA 7/23/2025 0.0156 µg/L 0.005 µg/L Detected
NEtFOSAA 7/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/23/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFHpA 7/23/2025 0.0065 µg/L 0.003 µg/L Detected
NMeFOSAA 7/23/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFNA 7/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/23/2025 0.0189 µg/L 0.004 µg/L Detected
PFOA 7/23/2025 0.0054 µg/L 0.004 µg/L 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 DYESS AIR FORCE BASE.

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 TX2210013 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 DYESS AIR FORCE BASE 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
2021 Chlorine MR 4 SDWIS / TX2210013 / 0999
2020 Revised Total Coliform Rule MON 12 SDWIS / TX2210013 / 8000
2017 Lead and Copper Rule MR 3 SDWIS / TX2210013 / 5000

How DYESS AIR FORCE BASE Compares

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

Metric DYESS AIR FORCE BASE Texas avg Federal benchmark
Total violations 24 101.5 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 9 compounds 93.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 7,183 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is DYESS AIR FORCE BASE water safe to drink? ▼
DYESS AIR FORCE BASE (PWS ID: TX2210013) has 24 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 9 PFAS compounds found. This system serves 7,183 people using Surface Water sources.
How many people does DYESS AIR FORCE BASE serve? ▼
DYESS AIR FORCE BASE serves 7,183 people in DYESS AFB, Texas. It is a Federal-owned system using Surface Water water sources with 1,500 service connections.
What type of violations does DYESS AIR FORCE BASE have? ▼
DYESS AIR FORCE BASE has 24 total violations: 0 health-based violations (MCL exceedances or treatment failures), 19 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in DYESS AIR FORCE BASE water? ▼
Yes. UCMR5 testing detected 9 PFAS compounds in DYESS AIR FORCE BASE's water supply: PFOS, PFBA, PFHxA, PFOA, PFPeA, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does DYESS AIR FORCE BASE use? ▼
DYESS AIR FORCE BASE uses Surface Water 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.

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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.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial