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HAYS CISD JACK C HAYS HIGH SCHOOL

PWS ID: TX1050051 · KYLE, Texas 78640-4745

HAYS CISD JACK C HAYS HIGH SCHOOL serves 4,048 people in KYLE, Texas using Groundwater water sources. It has 143 recorded EPA violations, including 14 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HAYS CISD JACK C HAYS HIGH SCHOOL

HAYS CISD JACK C HAYS HIGH SCHOOL is a local-owned non-transient non-community water system that delivers drinking water to 4,048 residents in KYLE, Texas (Hays County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 143 total violations for this system , of which 14 (10%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 95 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 Lead and Copper Rule, recorded in 61 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. HAYS CISD JACK C HAYS HIGH SCHOOL's 143 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
4,048
Total Violations
143
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Hays
School/Daycare
Yes
MCL Violations
10
Monitoring Violations
95
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 61 2024
Public Notice Other 27 2025
Chlorine MR 12 2020
Coliform (TCR) MR 11 2013
E. COLI MR 10 2020
Coliform (TCR) MCL 10 2013
LEAD AND COPPER RULE REVISIONS RPT 4 2024
LEAD AND COPPER RULE REVISIONS TT 4 2024
Asbestos MR 1 2004

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 4/29/2025 <0.002 µg/L 0.002 µg/L Not Detected
4:2 FTS 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/29/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/29/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 4/29/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 4/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 4/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 4/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/29/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 4/29/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 4/29/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 4/29/2025 <0.002 µg/L 0.002 µg/L Not Detected
lithium 4/29/2025 <9 µg/L 9 µg/L Not Detected
PFBA 4/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 4/29/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 4/29/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 4/29/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 4/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 4/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 4/29/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 4/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 4/29/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 4/29/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/29/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 4/29/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 4/29/2025 <0.004 µg/L 0.004 µg/L Not Detected
lithium 4/29/2025 <9 µg/L 9 µg/L Not Detected
PFBA 4/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 4/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/29/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 4/29/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 4/29/2025 <0.003 µg/L 0.003 µg/L Not Detected

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 HAYS CISD JACK C HAYS HIGH SCHOOL.

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 TX1050051 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 HAYS CISD JACK C HAYS HIGH SCHOOL 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 27 SDWIS / TX1050051 / 7500
2024 Lead and Copper Rule MR 61 SDWIS / TX1050051 / 5000
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / TX1050051 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / TX1050051 / 5200
2020 Chlorine MR 12 SDWIS / TX1050051 / 0999
2020 E. COLI MR 10 SDWIS / TX1050051 / 3014
2013 Coliform (TCR) MR 11 SDWIS / TX1050051 / 3100
2013 Coliform (TCR) MCL 10 SDWIS / TX1050051 / 3100
2004 Asbestos MR 1 SDWIS / TX1050051 / 1094

How HAYS CISD JACK C HAYS HIGH SCHOOL Compares

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

Metric HAYS CISD JACK C HAYS HIGH SCHOOL Texas avg Federal benchmark
Total violations 143 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 14 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 4,048 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 HAYS CISD JACK C HAYS HIGH SCHOOL water safe to drink? ▼
HAYS CISD JACK C HAYS HIGH SCHOOL (PWS ID: TX1050051) has 143 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,048 people using Groundwater sources.
How many people does HAYS CISD JACK C HAYS HIGH SCHOOL serve? ▼
HAYS CISD JACK C HAYS HIGH SCHOOL serves 4,048 people in KYLE, Texas. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does HAYS CISD JACK C HAYS HIGH SCHOOL have? ▼
HAYS CISD JACK C HAYS HIGH SCHOOL has 143 total violations: 14 health-based violations (MCL exceedances or treatment failures), 95 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HAYS CISD JACK C HAYS HIGH SCHOOL water? ▼
No. HAYS CISD JACK C HAYS HIGH SCHOOL was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does HAYS CISD JACK C HAYS HIGH SCHOOL use? ▼
HAYS CISD JACK C HAYS HIGH SCHOOL uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

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