PlainWater

CRWA LAKE DUNLAP WTP

PWS ID: TX0940091 · NEW BRAUNFELS, Texas 78130-8282

CRWA LAKE DUNLAP WTP serves 14 people in NEW BRAUNFELS, Texas using Surface Water water sources. It has 69 recorded EPA violations, including 42 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CRWA LAKE DUNLAP WTP

CRWA LAKE DUNLAP WTP is a local-owned community water system that delivers drinking water to 14 residents in NEW BRAUNFELS, Texas (Guadalupe County) through 83,028 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 69 total violations for this system , of which 42 (61%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 27 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Long Term 2 Enhanced Surface Water Treatment Rule, recorded in 24 violations (TT, 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. CRWA LAKE DUNLAP WTP's 69 violations sit below 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
14
Total Violations
69
Health-Based Violations
42
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
83,028
County
Guadalupe
School/Daycare
No
MCL Violations
18
Monitoring Violations
27
Treatment Tech Violations
24

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Long Term 2 Enhanced Surface Water Treatment Rule TT 24 2019
Long Term 2 Enhanced Surface Water Treatment Rule MR 24 2019
Bromate MCL 18 2019
Chlorite MR 3 2014

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 CRWA LAKE DUNLAP WTP.

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 TX0940091 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 CRWA LAKE DUNLAP WTP 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
2019 Long Term 2 Enhanced Surface Water Treatment Rule TT 24 SDWIS / TX0940091 / 0800
2019 Long Term 2 Enhanced Surface Water Treatment Rule MR 24 SDWIS / TX0940091 / 0800
2019 Bromate MCL 18 SDWIS / TX0940091 / 1011
2014 Chlorite MR 3 SDWIS / TX0940091 / 1009

How CRWA LAKE DUNLAP WTP Compares

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

Metric CRWA LAKE DUNLAP WTP Texas avg Federal benchmark
Total violations 69 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 42 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 14 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 CRWA LAKE DUNLAP WTP water safe to drink?
CRWA LAKE DUNLAP WTP (PWS ID: TX0940091) has 69 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 14 people using Surface Water sources.
How many people does CRWA LAKE DUNLAP WTP serve?
CRWA LAKE DUNLAP WTP serves 14 people in NEW BRAUNFELS, Texas. It is a Local-owned system using Surface Water water sources with 83,028 service connections.
What type of violations does CRWA LAKE DUNLAP WTP have?
CRWA LAKE DUNLAP WTP has 69 total violations: 42 health-based violations (MCL exceedances or treatment failures), 27 monitoring/reporting violations, and 24 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CRWA LAKE DUNLAP WTP water?
No PFAS testing data is available for CRWA LAKE DUNLAP WTP under the EPA's UCMR5 monitoring program.
What water source does CRWA LAKE DUNLAP WTP use?
CRWA LAKE DUNLAP WTP 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.

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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