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Community Water System · PWS TX2460161

Round Rock Ranch PUD Utility Company

Hutto, Texas 78634-4642 - drinking water served from surface water sources to 285 people, tracked in EPA SDWIS and UCMR5.

285
People served
12
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 12 drinking-water violations at Round Rock Ranch PUD Utility Company - below the Texas per-system average.

12
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
285
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Round Rock Ranch PUD Utility Company

Round Rock Ranch PUD Utility Company is a private-owned community water system that delivers drinking water to 285 residents in Hutto, Texas (Williamson County) through 97 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 12 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 10 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 5 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, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%).

Round Rock Ranch PUD Utility Company's 12 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
285
Total Violations
12
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
97
County
Williamson
School/Daycare
No
MCL Violations
0
Monitoring Violations
10
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 5 2007
Revised Total Coliform Rule MON 4 2019
Public Notice Other 2 2020
Lead and Copper Rule MR 1 2013

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 Round Rock Ranch PUD Utility Company.

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 TX2460161 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 Round Rock Ranch PUD Utility Company 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
2020 Public Notice Other 2 SDWIS / TX2460161 / 7500
2019 Revised Total Coliform Rule MON 4 SDWIS / TX2460161 / 8000
2013 Lead and Copper Rule MR 1 SDWIS / TX2460161 / 5000
2007 Coliform (TCR) MR 5 SDWIS / TX2460161 / 3100

How Round Rock Ranch PUD Utility Company Compares

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

Metric Round Rock Ranch PUD Utility Company Texas avg Federal benchmark
Total violations 12 101.5 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 285 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 Round Rock Ranch PUD Utility Company water safe to drink? ▼
Round Rock Ranch PUD Utility Company (PWS ID: TX2460161) has 12 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 285 people using Surface Water sources.
How many people does Round Rock Ranch PUD Utility Company serve? ▼
Round Rock Ranch PUD Utility Company serves 285 people in Hutto, Texas. It is a Private-owned system using Surface Water water sources with 97 service connections.
What type of violations does Round Rock Ranch PUD Utility Company have? ▼
Round Rock Ranch PUD Utility Company has 12 total violations: 0 health-based violations (MCL exceedances or treatment failures), 10 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Round Rock Ranch PUD Utility Company water? ▼
No PFAS testing data is available for Round Rock Ranch PUD Utility Company under the EPA's UCMR5 monitoring program.
What water source does Round Rock Ranch PUD Utility Company use? ▼
Round Rock Ranch PUD Utility Company 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.