PlainWater
States → EPA Region 8 — Tribal Water Systems

Community Water System · PWS 084690466

American Horse School

Allen, EPA Region 8 — Tribal Water Systems 57714 - drinking water served from surface water sources to 400 people, tracked in EPA SDWIS and UCMR5.

400
People served
183
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 183 drinking-water violations at American Horse School, 2% of them health-based.

183
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
400
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: American Horse School

American Horse School is a federal-owned community water system that delivers drinking water to 400 residents in Allen, EPA Region 8 — Tribal Water Systems through 19 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 183 total violations for this system , of which 4 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 174 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 Coliform (TCR), recorded in 13 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 8 — Tribal Water Systems has thousands of regulated public water systems tracked by EPA under the Safe Drinking Water Act.

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
400
Total Violations
183
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Federal
Connections
19
School/Daycare
Yes
MCL Violations
4
Monitoring Violations
174
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 13 2011
Lead and Copper Rule MR 8 2016
Nitrate-Nitrite MR 6 2007
Consumer Confidence Rule Other 5 2008
TTHM MR 4 2025
Total Haloacetic Acids (HAA5) MR 4 2025
Nitrate MR 4 2010
Coliform (TCR) MCL 4 2011
cis-1,2-Dichloroethylene MR 3 2005
o-Dichlorobenzene MR 3 2005
Vinyl chloride MR 3 2005
1,1,1-Trichloroethane MR 3 2005
Carbon tetrachloride MR 3 2005
Trichloroethylene MR 3 2005
1,1,2-Trichloroethane MR 3 2005
Tetrachloroethylene MR 3 2005
Benzene MR 3 2005
Toluene MR 3 2005
Styrene MR 3 2005
CYANIDE MR 3 2005
trans-1,2-Dichloroethylene MR 3 2005
Xylenes, Total MR 3 2005
1,1-Dichloroethylene MR 3 2005
1,2-Dichloroethane MR 3 2005
p-Dichlorobenzene MR 3 2005
DICHLOROMETHANE MR 3 2005
CHLOROBENZENE MR 3 2005
1,2,4-Trichlorobenzene MR 3 2005
Ethylbenzene MR 3 2005
1,2-Dichloropropane MR 3 2005

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 American Horse 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 084690466 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 8 — Tribal Water Systems Drinking Water Authority

EPA Region 8 — Tribal Water Systems's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find 08 regulator via EPA SDWIS

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 TTHM MR 4 SDWIS / 084690466 / 2950
2025 Total Haloacetic Acids (HAA5) MR 4 SDWIS / 084690466 / 2456
2024 Revised Total Coliform Rule MON 1 SDWIS / 084690466 / 8000
2016 Lead and Copper Rule MR 8 SDWIS / 084690466 / 5000
2011 Coliform (TCR) MR 13 SDWIS / 084690466 / 3100
2011 Coliform (TCR) MCL 4 SDWIS / 084690466 / 3100
2010 Nitrate MR 4 SDWIS / 084690466 / 1040
2008 Consumer Confidence Rule Other 5 SDWIS / 084690466 / 7000
2007 Nitrate-Nitrite MR 6 SDWIS / 084690466 / 1038
2005 cis-1,2-Dichloroethylene MR 3 SDWIS / 084690466 / 2380
2005 o-Dichlorobenzene MR 3 SDWIS / 084690466 / 2968
2005 Vinyl chloride MR 3 SDWIS / 084690466 / 2976
2005 1,1,1-Trichloroethane MR 3 SDWIS / 084690466 / 2981
2005 Carbon tetrachloride MR 3 SDWIS / 084690466 / 2982
2005 Trichloroethylene MR 3 SDWIS / 084690466 / 2984

How American Horse School Compares

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

Metric American Horse School EPA Region 8 — Tribal Water Systems avg Federal benchmark
Total violations 183 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 400 - Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across all regulated public water systems in EPA Region 8 — Tribal Water Systems.

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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is American Horse School water safe to drink? ▼
American Horse School (PWS ID: 084690466) has 183 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 400 people using Surface Water sources.
How many people does American Horse School serve? ▼
American Horse School serves 400 people in Allen, EPA Region 8 — Tribal Water Systems. It is a Federal-owned system using Surface Water water sources with 19 service connections.
What type of violations does American Horse School have? ▼
American Horse School has 183 total violations: 4 health-based violations (MCL exceedances or treatment failures), 174 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in American Horse School water? ▼
No PFAS testing data is available for American Horse School under the EPA's UCMR5 monitoring program.
What water source does American Horse School use? ▼
American Horse School 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.