Wingate High School - BIE

P.O. Box 1449, Window Rock, AZ, 86515

Legal business name: Bureau of Indian Education

What EPA has flagged

EPA records that this water system serves a school or daycare.

On the EPA record

Population served: 900
Service connections: 70
System type: Community water system
Primary water source: Ground water
Owner type: Federal government

Drinking-water violations on record (74)

EPA's SDWIS records each violation as codes, not sentences. Each one below is shown with EPA's own published description of that violation type and contaminant. Health-based violations — a contaminant limit or treatment requirement not met — are marked apart from monitoring and reporting failures.

2026-03-06 — Treatment Technique Violation

category TT · health-based

Failure To Address Deficiency — Groundwater Rule

2026-03-06 — Treatment Technique Violation

category TT · health-based

Failure To Address Deficiency — Groundwater Rule

2026-03-06 — Treatment Technique Violation

category TT · health-based

Failure To Address Deficiency — Groundwater Rule

2025-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Follow-up Or Routine LCR Tap M/R — Lead and Copper Rule

2025-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Initial, Follow-up, or Routine Source Water M/R — Lead and Copper Rule

Recorded as corrected on 2025-09-15.

2024-11-16 — Reporting Violation

category RPT · monitoring & reporting

Notification, Known or Potential LSL — LEAD AND COPPER RULE REVISIONS

2024-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrate

Recorded as corrected on 2024-12-19.

2022-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Water Quality Parameter M/R — Lead and Copper Rule

Recorded as corrected on 2022-12-31.

2022-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Initial, Follow-up, or Routine Source Water M/R — Lead and Copper Rule

Recorded as corrected on 2023-06-21.

2022-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrate

Recorded as corrected on 2022-12-13.

2021-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Follow-up Or Routine LCR Tap M/R — Lead and Copper Rule

Recorded as corrected on 2021-12-05.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Arsenic

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Barium

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Chromium

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Antimony, Total

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Beryllium, Total

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Gross Beta Particle Activity

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Mercury

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Fluoride

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Cadmium

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Selenium

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Trichloroethylene

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Thallium, Total

Recorded as corrected on 2022-12-13.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — CYANIDE

Recorded as corrected on 2022-12-13.

2012-11-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Major (TCR) — Coliform (TCR)

Recorded as corrected on 2012-11-30.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Combined Radium (-226 and -228)

Recorded as corrected on 2013-12-31.

2006-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2007-03-16.

2005-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2007-03-16.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Endrin

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Toxaphene

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Endothall

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Di(2-ethylhexyl) phthalate

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Picloram

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Dinoseb

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Carbofuran

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Atrazine

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — LASSO

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Heptachlor epoxide

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — 2,4-D

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — 2,4,5-TP

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Total Polychlorinated Biphenyls (PCB)

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — 1,2-DIBROMO-3-CHLOROPROPANE

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Chlordane

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Diquat

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Hexachlorocyclopentadiene

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — ETHYLENE DIBROMIDE

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — BHC-GAMMA

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Pentachlorophenol

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — OXAMYL

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Methoxychlor

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Dalapon

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Glyphosate

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — HEXACHLOROBENZENE

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Benzo(a)pyrene

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Simazine

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Heptachlor

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Di(2-ethylhexyl) adipate

Recorded as corrected on 2004-12-31.

2002-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2003-08-01.

2002-05-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Major (TCR) — Coliform (TCR)

Recorded as corrected on 2002-05-31.

2002-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Major (TCR) — Coliform (TCR)

Recorded as corrected on 2002-01-31.

2001-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2003-08-01.

2001-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — CYANIDE

Recorded as corrected on 2001-12-31.

2001-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Dalapon

Recorded as corrected on 2001-12-31.

2001-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — OXAMYL

Recorded as corrected on 2001-12-31.

2001-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Picloram

Recorded as corrected on 2001-12-31.

2001-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Carbofuran

Recorded as corrected on 2001-12-31.

2001-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — 2,4-D

Recorded as corrected on 2001-12-31.

2001-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Dinoseb

Recorded as corrected on 2001-12-31.

2001-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Pentachlorophenol

Recorded as corrected on 2001-12-31.

2001-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Total Polychlorinated Biphenyls (PCB)

Recorded as corrected on 2001-12-31.

2001-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — 2,4,5-TP

Recorded as corrected on 2001-12-31.

2000-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2003-08-01.

2000-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrate

Recorded as corrected on 2000-12-31.

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monitoring & reporting

Safe Drinking Water Act violation (EPA violation type code ?)

Source: US Environmental Protection Agency (EPA) · EPA public water system ID (PWSID) 093534021