PlainWater

CITY OF SAN AUGUSTINE

PWS ID: TX2030001 · SAN AUGUSTINE, Texas 75972-1912

CITY OF SAN AUGUSTINE serves 1,971 people in SAN AUGUSTINE, Texas using Surface Water water sources. It has 318 recorded EPA violations, including 185 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CITY OF SAN AUGUSTINE

CITY OF SAN AUGUSTINE is a local-owned community water system that delivers drinking water to 1,971 residents in SAN AUGUSTINE, Texas (San Augustine County) through 1,947 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 318 total violations for this system , of which 185 (58%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 74 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is TTHM, recorded in 178 violations (MCL, health-based). 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. CITY OF SAN AUGUSTINE's 318 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
1,971
Total Violations
318
Health-Based Violations
185
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,947
County
San Augustine
School/Daycare
No
MCL Violations
178
Monitoring Violations
74
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 178 2024
Public Notice Other 34 2025
TTHM MR 9 2022
Total Haloacetic Acids (HAA5) MR 6 2022
Surface Water Treatment Rule MR 5 2014
Interim Enhanced Surface Water Treatment Rule MR 4 2017
Consumer Confidence Rule Other 4 2024
LEAD AND COPPER RULE REVISIONS RPT 4 2024
LEAD AND COPPER RULE REVISIONS TT 4 2024
Endrin MR 3 2013
BHC-GAMMA MR 3 2013
Methoxychlor MR 3 2013
Toxaphene MR 3 2013
Di(2-ethylhexyl) adipate MR 3 2013
Di(2-ethylhexyl) phthalate MR 3 2013
Hexachlorocyclopentadiene MR 3 2013
Atrazine MR 3 2013
LASSO MR 3 2013
Heptachlor MR 3 2013
HEXACHLOROBENZENE MR 3 2013
Benzo(a)pyrene MR 3 2013
Heptachlor epoxide MR 3 2013
Interim Enhanced Surface Water Treatment Rule TT 3 2008
Simazine MR 3 2013
Chlordane MR 3 2013
Pentachlorophenol MR 3 2013
Lead and Copper Rule MR 2 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 CITY OF SAN AUGUSTINE.

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 TX2030001 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 CITY OF SAN AUGUSTINE 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
2025 Public Notice Other 34 SDWIS / TX2030001 / 7500
2024 TTHM MCL 178 SDWIS / TX2030001 / 2950
2024 Consumer Confidence Rule Other 4 SDWIS / TX2030001 / 7000
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / TX2030001 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / TX2030001 / 5200
2022 TTHM MR 9 SDWIS / TX2030001 / 2950
2022 Total Haloacetic Acids (HAA5) MR 6 SDWIS / TX2030001 / 2456
2017 Interim Enhanced Surface Water Treatment Rule MR 4 SDWIS / TX2030001 / 0300
2014 Surface Water Treatment Rule MR 5 SDWIS / TX2030001 / 0200
2013 Endrin MR 3 SDWIS / TX2030001 / 2005
2013 BHC-GAMMA MR 3 SDWIS / TX2030001 / 2010
2013 Methoxychlor MR 3 SDWIS / TX2030001 / 2015
2013 Toxaphene MR 3 SDWIS / TX2030001 / 2020
2013 Di(2-ethylhexyl) adipate MR 3 SDWIS / TX2030001 / 2035
2013 Di(2-ethylhexyl) phthalate MR 3 SDWIS / TX2030001 / 2039

How CITY OF SAN AUGUSTINE Compares

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

Metric CITY OF SAN AUGUSTINE Texas avg Federal benchmark
Total violations 318 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 185 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 1,971 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 CITY OF SAN AUGUSTINE water safe to drink?
CITY OF SAN AUGUSTINE (PWS ID: TX2030001) has 318 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,971 people using Surface Water sources.
How many people does CITY OF SAN AUGUSTINE serve?
CITY OF SAN AUGUSTINE serves 1,971 people in SAN AUGUSTINE, Texas. It is a Local-owned system using Surface Water water sources with 1,947 service connections.
What type of violations does CITY OF SAN AUGUSTINE have?
CITY OF SAN AUGUSTINE has 318 total violations: 185 health-based violations (MCL exceedances or treatment failures), 74 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CITY OF SAN AUGUSTINE water?
No PFAS testing data is available for CITY OF SAN AUGUSTINE under the EPA's UCMR5 monitoring program.
What water source does CITY OF SAN AUGUSTINE use?
CITY OF SAN AUGUSTINE 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.

Explore PlainWater

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

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial