Cocopah East

14515 So. Veterans Dr., Somerton, AZ, 85350 · 9286272102

Legal business name: Cocopah Indian Tribe

On the EPA record

Population served: 280
Service connections: 72
System type: Community water system
Primary water source: Ground water
Owner type: Tribal Government

Drinking-water violations on record (90)

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.

2026-02-01 — Reporting Violation

category RPT · monitoring & reporting

Report Sample Result/Fail Monitor (RTCR) — Revised Total Coliform Rule

2025-05-01 — Reporting Violation

category RPT · monitoring & reporting

Report Sample Result/Fail Monitor (RTCR) — Revised Total Coliform Rule

Recorded as corrected on 2025-06-23.

2024-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2024-03-31.

2021-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2021-12-31.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2025-12-31.

2020-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Gross Alpha, Excl. Radon and U

Recorded as corrected on 2025-12-31.

2013-11-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2013-11-30.

2013-09-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2013-09-30.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Barium

Recorded as corrected on 2013-12-31.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Chromium

Recorded as corrected on 2013-12-31.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Fluoride

Recorded as corrected on 2013-12-31.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Mercury

Recorded as corrected on 2013-12-31.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Antimony, Total

Recorded as corrected on 2013-12-31.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2014-02-20.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Arsenic

Recorded as corrected on 2013-12-31.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Beryllium, Total

Recorded as corrected on 2013-12-31.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Cadmium

Recorded as corrected on 2013-12-31.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — CYANIDE

Recorded as corrected on 2013-12-31.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Thallium, Total

Recorded as corrected on 2013-12-31.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Selenium

Recorded as corrected on 2013-12-31.

2009-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrate

Recorded as corrected on 2009-12-31.

2009-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Total Haloacetic Acids (HAA5)

Recorded as corrected on 2009-12-31.

2009-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — TTHM

Recorded as corrected on 2009-12-31.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Arsenic

Recorded as corrected on 2010-12-31.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Barium

Recorded as corrected on 2010-12-31.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Chromium

Recorded as corrected on 2010-12-31.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Fluoride

Recorded as corrected on 2010-12-31.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Selenium

Recorded as corrected on 2010-12-31.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Beryllium, Total

Recorded as corrected on 2010-12-31.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Mercury

Recorded as corrected on 2010-12-31.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — CYANIDE

Recorded as corrected on 2010-12-31.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Thallium, Total

Recorded as corrected on 2010-12-31.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Antimony, Total

Recorded as corrected on 2010-12-31.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Cadmium

Recorded as corrected on 2010-12-31.

2006-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2010-03-31.

2006-06-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2006-06-30.

2005-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2005-10-31.

2005-09-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2005-09-30.

2005-08-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Repeat Minor (TCR) — Coliform (TCR)

Recorded as corrected on 2005-08-31.

2005-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2010-03-31.

2005-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2005-07-31.

2005-06-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2005-06-30.

2005-05-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2005-05-31.

2005-04-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2005-04-30.

2005-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrate

Recorded as corrected on 2005-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrate

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 — Endothall

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 — Di(2-ethylhexyl) adipate

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 — Simazine

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 — 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 — HEXACHLOROBENZENE

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 — Benzo(a)pyrene

Recorded as corrected on 2004-12-31.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — 2,3,7,8-TCDD

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 — Di(2-ethylhexyl) phthalate

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 — 1,2-DIBROMO-3-CHLOROPROPANE

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 — Total Polychlorinated Biphenyls (PCB)

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 2010-03-31.

2001-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2010-03-31.

2000-12-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2000-12-31.

2000-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2010-03-31.

1998-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrate

Recorded as corrected on 1998-12-31.

1998-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Initial Tap Sampling for Pb and Cu — Lead and Copper Rule

Recorded as corrected on 2004-02-24.

1997-05-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 1997-05-31.

1997-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrate

Recorded as corrected on 1997-12-31.

1996-11-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 1996-11-30.

1996-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 1996-10-31.

1996-09-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 1996-09-30.

1996-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Initial Tap Sampling for Pb and Cu — Lead and Copper Rule

Recorded as corrected on 2004-02-24.

1996-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Cadmium

Recorded as corrected on 1996-12-31.

1996-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Selenium

Recorded as corrected on 1996-12-31.

1996-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Antimony, Total

Recorded as corrected on 1996-12-31.

1996-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Initial Tap Sampling for Pb and Cu — Lead and Copper Rule

Recorded as corrected on 2004-02-24.

1996-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Mercury

Recorded as corrected on 1996-12-31.

1996-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — CYANIDE

Recorded as corrected on 1996-12-31.

1996-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Thallium, Total

Recorded as corrected on 1996-12-31.

1996-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Barium

Recorded as corrected on 1996-12-31.

1996-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Chromium

Recorded as corrected on 1996-12-31.

1996-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Beryllium, Total

Recorded as corrected on 1996-12-31.

1994-06-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 1994-06-30.

1994-05-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 1994-05-31.

—

monitoring & reporting

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

Source: US Environmental Protection Agency (EPA) · EPA public water system ID (PWSID) 090400073