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Community Water System · PWS TX2270126

High Valley WSC

Austin, Texas 78737-1458 - drinking water served from surface water sources to 231 people, tracked in EPA SDWIS and UCMR5.

231
People served
90
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 90 drinking-water violations at High Valley WSC, 8% of them health-based - below the Texas per-system average.

90
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
231
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: High Valley WSC

High Valley WSC is a local-owned community water system that delivers drinking water to 231 residents in Austin, Texas (Travis County) through 100 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 90 total violations for this system , of which 7 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 63 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Chlorine, recorded in 51 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. Statewide, 610 of 1,147 UCMR5-tested systems have reported PFAS detections (53.2%).

High Valley WSC's 90 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
231
Total Violations
90
Health-Based Violations
7
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
100
County
Travis
School/Daycare
No
MCL Violations
3
Monitoring Violations
63
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 51 2014
Lead and Copper Rule MR 8 2024
Public Notice Other 4 2022
LEAD AND COPPER RULE REVISIONS TT 4 2024
LEAD AND COPPER RULE REVISIONS RPT 4 2024
Coliform (TCR) MR 4 2015
Fluoride MCL 3 1984
Consumer Confidence Rule Other 2 2020

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 High Valley WSC.

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 TX2270126 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 High Valley WSC 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
2024 Lead and Copper Rule MR 8 SDWIS / TX2270126 / 5000
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / TX2270126 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / TX2270126 / 5200
2022 Public Notice Other 4 SDWIS / TX2270126 / 7500
2020 Consumer Confidence Rule Other 2 SDWIS / TX2270126 / 7000
2015 Coliform (TCR) MR 4 SDWIS / TX2270126 / 3100
2014 Chlorine MR 51 SDWIS / TX2270126 / 0999
1984 Fluoride MCL 3 SDWIS / TX2270126 / 1025

How High Valley WSC Compares

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

Metric High Valley WSC Texas avg Federal benchmark
Total violations 90 101.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 53.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 231 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 High Valley WSC water safe to drink? ▼
High Valley WSC (PWS ID: TX2270126) has 90 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 231 people using Surface Water sources.
How many people does High Valley WSC serve? ▼
High Valley WSC serves 231 people in Austin, Texas. It is a Local-owned system using Surface Water water sources with 100 service connections.
What type of violations does High Valley WSC have? ▼
High Valley WSC has 90 total violations: 7 health-based violations (MCL exceedances or treatment failures), 63 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in High Valley WSC water? ▼
No PFAS testing data is available for High Valley WSC under the EPA's UCMR5 monitoring program.
What water source does High Valley WSC use? ▼
High Valley WSC 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.
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.

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.