PlainWater

CASSIE WATER SYSTEM

PWS ID: TX0270047 · DES PERES, Texas 63131-1871

CASSIE WATER SYSTEM serves 106 people in DES PERES, Texas using Surface Water water sources. It has 1,276 recorded EPA violations, including 539 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CASSIE WATER SYSTEM

CASSIE WATER SYSTEM is a private-owned community water system that delivers drinking water to 106 residents in DES PERES, Texas (Burnet County) through 66 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 1,276 total violations for this system , of which 539 (42%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 569 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 Long Term 2 Enhanced Surface Water Treatment Rule, recorded in 495 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. CASSIE WATER SYSTEM's 1,276 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
106
Total Violations
1,276
Health-Based Violations
539
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
66
County
Burnet
School/Daycare
No
MCL Violations
6
Monitoring Violations
569
Treatment Tech Violations
533

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Long Term 2 Enhanced Surface Water Treatment Rule TT 495 2025
Interim Enhanced Surface Water Treatment Rule MR 475 2025
Public Notice Other 133 2025
Lead and Copper Rule MR 50 2024
Lead and Copper Rule TT 30 2019
Surface Water Treatment Rule MR 30 2024
Surface Water Treatment Rule TT 8 2019
Nitrate MR 8 2024
Nitrate MCL 6 2019
Revised Total Coliform Rule MON 4 2024
Chlorine MR 2 2012
Consumer Confidence Rule Other 2 2024

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 CASSIE WATER SYSTEM.

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 TX0270047 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 CASSIE WATER SYSTEM 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 Long Term 2 Enhanced Surface Water Treatment Rule TT 495 SDWIS / TX0270047 / 0800
2025 Interim Enhanced Surface Water Treatment Rule MR 475 SDWIS / TX0270047 / 0300
2025 Public Notice Other 133 SDWIS / TX0270047 / 7500
2024 Lead and Copper Rule MR 50 SDWIS / TX0270047 / 5000
2024 Surface Water Treatment Rule MR 30 SDWIS / TX0270047 / 0200
2024 Nitrate MR 8 SDWIS / TX0270047 / 1040
2024 Revised Total Coliform Rule MON 4 SDWIS / TX0270047 / 8000
2024 Consumer Confidence Rule Other 2 SDWIS / TX0270047 / 7000
2019 Lead and Copper Rule TT 30 SDWIS / TX0270047 / 5000
2019 Surface Water Treatment Rule TT 8 SDWIS / TX0270047 / 0200
2019 Nitrate MCL 6 SDWIS / TX0270047 / 1040
2012 Chlorine MR 2 SDWIS / TX0270047 / 0999

How CASSIE WATER SYSTEM Compares

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

Metric CASSIE WATER SYSTEM Texas avg Federal benchmark
Total violations 1,276 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 539 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 106 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 CASSIE WATER SYSTEM water safe to drink?
CASSIE WATER SYSTEM (PWS ID: TX0270047) has 1276 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 106 people using Surface Water sources.
How many people does CASSIE WATER SYSTEM serve?
CASSIE WATER SYSTEM serves 106 people in DES PERES, Texas. It is a Private-owned system using Surface Water water sources with 66 service connections.
What type of violations does CASSIE WATER SYSTEM have?
CASSIE WATER SYSTEM has 1,276 total violations: 539 health-based violations (MCL exceedances or treatment failures), 569 monitoring/reporting violations, and 533 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CASSIE WATER SYSTEM water?
No PFAS testing data is available for CASSIE WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does CASSIE WATER SYSTEM use?
CASSIE WATER SYSTEM 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