Public water system · TX2270091
ActiveHazy Hills WSC
At a glance
Hazy Hills WSC (PWSID TX2270091) is an active community water system in Travis County, Texas. It reports serving 135 people through 45 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in April 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
135
Service connections
45
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hazy Hills WSC compare with other water systems in Travis County?
By EPA's size categories, Hazy Hills WSC is a very small system (500 people or fewer). Travis County has 138 active public water systems. Its population served is well below the county average of 11,267 people per system, and accounts for less than 0.1% of the 1,554,848 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active community water system reports serving 6,703 people, so Hazy Hills WSC is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Texas has 4,594 active community water systems, 65% of the state's 7,078 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 5,215 Texas systems (74%) list groundwater as their primary source.
Who owns and regulates Hazy Hills WSC?
EPA lists Hazy Hills WSC as owned by a local government. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 66 of the 138 active systems in Travis County (48%) are also owned by a local government.
Does Hazy Hills WSC have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in April 2026. The violations listed here began between December 1992 and April 2026. By type: 6 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 5 as resolved, 2 as archived and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-04-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2024-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2018-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2008-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-12-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 8 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Hazy Hills WSC: frequently asked questions
Who runs Hazy Hills WSC?
Hazy Hills WSC (PWSID TX2270091) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Hazy Hills WSC serve?
Hazy Hills WSC reports serving 135 people through 45 service connections in Travis County, Texas.
Where does Hazy Hills WSC get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Hazy Hills WSC have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in April 2026. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Hazy Hills WSC's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 8 violations for this system; none is health-based, and the most recent began in April 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Hazy Hills WSC's water quality report?
As a community water system, Hazy Hills WSC must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Travis County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Austin Water & Wastewater | Travis | 1,115,323 | Community | Surface water |
| City of Pflugerville | Travis | 63,464 | Community | Surface water |
| Travis County Wcid 17 | Travis | 45,165 | Community | Surface water |
| Manville WSC | Travis | 39,648 | Community | Purchased surface water |
| West Travis County Public Utility Agency | Travis | 35,664 | Community | Surface water |
| Windermere Community | Travis | 21,231 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Hazy Hills WSC, PWSID TX2270091, Texas”, https://aquacensus.com/water-systems/texas/hazy-hills-wsc-tx2270091 (data as of October 1, 2026).