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COYOTE RIDGE ADDITION

PWS ID: TX2490053 · AUSTIN, Texas 78714-0164

COYOTE RIDGE ADDITION serves 375 people in AUSTIN, Texas using Groundwater water sources. It has 154 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: COYOTE RIDGE ADDITION

COYOTE RIDGE ADDITION is a private-owned community water system that delivers drinking water to 375 residents in AUSTIN, Texas (Wise County) through 125 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 154 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 154 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 4 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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. COYOTE RIDGE ADDITION's 154 violations sit above 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.

Population Served
375
Total Violations
154
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
125
County
Wise
School/Daycare
No
MCL Violations
0
Monitoring Violations
154
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 4 2015
Nitrate MR 4 2019
OXAMYL MR 4 2017
Aldicarb sulfoxide MR 4 2017
Aldicarb sulfone MR 4 2017
Carbofuran MR 4 2017
Aldicarb MR 4 2017
ETHYLENE DIBROMIDE MR 4 2017
Dalapon MR 4 2017
Dinoseb MR 4 2017
2,4-D MR 4 2017
2,4,5-TP MR 4 2017
Nitrite MR 4 2019
cis-1,2-Dichloroethylene MR 4 2019
Xylenes, Total MR 4 2019
o-Dichlorobenzene MR 4 2019
p-Dichlorobenzene MR 4 2019
Vinyl chloride MR 4 2019
1,1-Dichloroethylene MR 4 2019
trans-1,2-Dichloroethylene MR 4 2019
1,2-Dichloroethane MR 4 2019
1,1,1-Trichloroethane MR 4 2019
Carbon tetrachloride MR 4 2019
1,2-Dichloropropane MR 4 2019
1,1,2-Trichloroethane MR 4 2019
Benzene MR 4 2019
Ethylbenzene MR 4 2019
Chlorine MR 4 2013
Trichloroethylene MR 4 2019
1,2,4-Trichlorobenzene MR 4 2019

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 COYOTE RIDGE ADDITION.

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 TX2490053 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 COYOTE RIDGE ADDITION 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
2019 Nitrate MR 4 SDWIS / TX2490053 / 1040
2019 Nitrite MR 4 SDWIS / TX2490053 / 1041
2019 cis-1,2-Dichloroethylene MR 4 SDWIS / TX2490053 / 2380
2019 Xylenes, Total MR 4 SDWIS / TX2490053 / 2955
2019 o-Dichlorobenzene MR 4 SDWIS / TX2490053 / 2968
2019 p-Dichlorobenzene MR 4 SDWIS / TX2490053 / 2969
2019 Vinyl chloride MR 4 SDWIS / TX2490053 / 2976
2019 1,1-Dichloroethylene MR 4 SDWIS / TX2490053 / 2977
2019 trans-1,2-Dichloroethylene MR 4 SDWIS / TX2490053 / 2979
2019 1,2-Dichloroethane MR 4 SDWIS / TX2490053 / 2980
2019 1,1,1-Trichloroethane MR 4 SDWIS / TX2490053 / 2981
2019 Carbon tetrachloride MR 4 SDWIS / TX2490053 / 2982
2019 1,2-Dichloropropane MR 4 SDWIS / TX2490053 / 2983
2019 1,1,2-Trichloroethane MR 4 SDWIS / TX2490053 / 2985
2019 Benzene MR 4 SDWIS / TX2490053 / 2990

How COYOTE RIDGE ADDITION Compares

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

Metric COYOTE RIDGE ADDITION Texas avg Federal benchmark
Total violations 154 101.5 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 375 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 COYOTE RIDGE ADDITION water safe to drink? ▼
COYOTE RIDGE ADDITION (PWS ID: TX2490053) has 154 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 375 people using Groundwater sources.
How many people does COYOTE RIDGE ADDITION serve? ▼
COYOTE RIDGE ADDITION serves 375 people in AUSTIN, Texas. It is a Private-owned system using Groundwater water sources with 125 service connections.
What type of violations does COYOTE RIDGE ADDITION have? ▼
COYOTE RIDGE ADDITION has 154 total violations: 0 health-based violations (MCL exceedances or treatment failures), 154 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in COYOTE RIDGE ADDITION water? ▼
No PFAS testing data is available for COYOTE RIDGE ADDITION under the EPA's UCMR5 monitoring program.
What water source does COYOTE RIDGE ADDITION use? ▼
COYOTE RIDGE ADDITION 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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

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