PlainWater
States → EPA Region 9 — Tribal Water Systems

Community Water System · PWS 093534021

Wingate High School - BIE

Window Rock, EPA Region 9 — Tribal Water Systems 86515 - drinking water served from groundwater sources to 900 people, tracked in EPA SDWIS and UCMR5.

900
People served
77
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 77 drinking-water violations at Wingate High School - BIE.

77
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
900
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Wingate High School - BIE

Wingate High School - BIE is a federal-owned community water system that delivers drinking water to 900 residents in Window Rock, EPA Region 9 — Tribal Water Systems through 70 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 77 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 66 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 Nitrate, recorded in 5 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 9 — 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
900
Total Violations
77
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Federal
Connections
70
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
66
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 5 2024
Lead and Copper Rule MR 5 2025
Consumer Confidence Rule Other 5 2006
Coliform (TCR) MR 3 2012
CYANIDE MR 2 2020
Dalapon MR 2 2004
OXAMYL MR 2 2004
Picloram MR 2 2004
Dinoseb MR 2 2004
Carbofuran MR 2 2004
2,4-D MR 2 2004
2,4,5-TP MR 2 2004
Total Polychlorinated Biphenyls (PCB) MR 2 2004
Pentachlorophenol MR 2 2004
Arsenic MR 1 2020
Barium MR 1 2020
Chromium MR 1 2020
Antimony, Total MR 1 2020
Beryllium, Total MR 1 2020
Endrin MR 1 2004
Toxaphene MR 1 2004
Endothall MR 1 2004
Di(2-ethylhexyl) phthalate MR 1 2004
Atrazine MR 1 2004
LASSO MR 1 2004
Heptachlor epoxide MR 1 2004
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2004
Combined Radium (-226 and -228) MR 1 2008
Gross Beta Particle Activity MR 1 2020
LEAD AND COPPER RULE REVISIONS RPT 1 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 Wingate High School - BIE.

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 093534021 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 9 — Tribal Water Systems Drinking Water Authority

EPA Region 9 — 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 09 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 Lead and Copper Rule MR 5 SDWIS / 093534021 / 5000
2024 Nitrate MR 5 SDWIS / 093534021 / 1040
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / 093534021 / 5200
2020 CYANIDE MR 2 SDWIS / 093534021 / 1024
2020 Arsenic MR 1 SDWIS / 093534021 / 1005
2020 Barium MR 1 SDWIS / 093534021 / 1010
2020 Chromium MR 1 SDWIS / 093534021 / 1020
2020 Antimony, Total MR 1 SDWIS / 093534021 / 1074
2020 Beryllium, Total MR 1 SDWIS / 093534021 / 1075
2020 Gross Beta Particle Activity MR 1 SDWIS / 093534021 / 4100
2020 Trichloroethylene MR 1 SDWIS / 093534021 / 2984
2020 Fluoride MR 1 SDWIS / 093534021 / 1025
2020 Cadmium MR 1 SDWIS / 093534021 / 1015
2020 Mercury MR 1 SDWIS / 093534021 / 1035
2020 Selenium MR 1 SDWIS / 093534021 / 1045

How Wingate High School - BIE Compares

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

Metric Wingate High School - BIE EPA Region 9 — Tribal Water Systems avg Federal benchmark
Total violations 77 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 900 - 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 9 — 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 Wingate High School - BIE water safe to drink? ▼
Wingate High School - BIE (PWS ID: 093534021) has 77 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 900 people using Groundwater sources.
How many people does Wingate High School - BIE serve? ▼
Wingate High School - BIE serves 900 people in Window Rock, EPA Region 9 — Tribal Water Systems. It is a Federal-owned system using Groundwater water sources with 70 service connections.
What type of violations does Wingate High School - BIE have? ▼
Wingate High School - BIE has 77 total violations: 0 health-based violations (MCL exceedances or treatment failures), 66 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Wingate High School - BIE water? ▼
No PFAS testing data is available for Wingate High School - BIE under the EPA's UCMR5 monitoring program.
What water source does Wingate High School - BIE use? ▼
Wingate High School - BIE uses Groundwater 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.