SUNSET BAY

PWSID: TX0040055 · Austin, TX · Serves 123 people

According to EPA Safe Drinking Water Information System (SDWIS), SUNSET BAY (PWSID TX0040055) in Austin, TX is listed as a CWS water system covering about 123 people. The same extract lists 32 health-based violation records spanning 2019-2025. Those 32 health-based rows for SUNSET BAY cover contaminants such as TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

SUNSET BAY has 32 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
123
Health-Based Violation Records
32
Distinct Contaminant Codes
1
Source Type
Groundwater

PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including TTHM. Recorded violations span 2019–2025. Day-to-day primacy enforcement for this system runs through the Texas drinking-water program, not EPA directly.

A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Texas state drinking-water program's public portal.

System Details

EPA ID (PWSID)
TX0040055
System Type
CWS
Water Source
Groundwater
Location
Austin, TX
Population Served
123
Health Violations
Yes (32)

What contaminants are in this water system?

Contaminant Violations Health-Based
TTHM 32 32

Violation History (32)

Contaminant Health Date
TTHM Yes Oct 1, 2025
TTHM Yes Jul 1, 2025
TTHM Yes Jul 1, 2025
TTHM Yes Apr 1, 2025
TTHM Yes Jan 1, 2025
TTHM Yes Jan 1, 2025
TTHM Yes Oct 1, 2024
TTHM Yes Oct 1, 2024
TTHM Yes Oct 1, 2024
TTHM Yes Oct 1, 2024
TTHM Yes Jul 1, 2024
TTHM Yes Jul 1, 2024
TTHM Yes Jul 1, 2024
TTHM Yes Jul 1, 2024
TTHM Yes Jul 1, 2024
TTHM Yes Apr 1, 2024
TTHM Yes Apr 1, 2024
TTHM Yes Apr 1, 2024
TTHM Yes Jan 1, 2024
TTHM Yes Jan 1, 2024
TTHM Yes Jan 1, 2024
TTHM Yes Jan 1, 2024
TTHM Yes Jan 1, 2024
TTHM Yes Oct 1, 2023
TTHM Yes Oct 1, 2023
TTHM Yes Oct 1, 2023
TTHM Yes Oct 1, 2023
TTHM Yes Oct 1, 2023
TTHM Yes Oct 1, 2023
TTHM Yes Apr 1, 2019
TTHM Yes Apr 1, 2019
TTHM Yes Apr 1, 2019

Frequently Asked Questions

What does EPA SDWIS list for SUNSET BAY?
SUNSET BAY has 32 health-based violation records in this historical extract. Monitoring and reporting records are not included. The system uses groundwater water as its source.
How many people does SUNSET BAY serve?
SUNSET BAY serves 123 people in Austin, TX. It is classified as a CWS water system.
What violations does SUNSET BAY have?
SUNSET BAY has 32 health-based violation records in PlainEnviro's extract spanning 2019–2025. Monitoring and reporting records are not included.
What contaminants have been found in SUNSET BAY water?
Violations have been recorded for 1 contaminant. The most frequent: TTHM.

Compare beyond Texas

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest SUNSET BAY on cumulative violation count (32) and EPA-reported population served (123). Violation-count peers include CLARENDON WATERWORKS, WEST HELENA WATER WORKS, REYNOLDS.

About This Data

SUNSET BAY (TX0040055) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 2019-2025 covering TTHM. Historical registry entries, not a current drinkability score.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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