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States → EPA Region 4 — Tribal Water Systems

Community Water System · PWS 042800004

Choctaw - Tucker

Choctaw, EPA Region 4 — Tribal Water Systems 39350 - drinking water served from groundwater sources to 1,112 people, tracked in EPA SDWIS and UCMR5.

1,112
People served
276
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 276 drinking-water violations at Choctaw - Tucker, 1% of them health-based.

276
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
1,112
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Choctaw - Tucker

Choctaw - Tucker is a native american-owned community water system that delivers drinking water to 1,112 residents in Choctaw, EPA Region 4 — Tribal Water Systems through 210 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 276 total violations for this system , of which 3 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 273 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Benzo(a)pyrene, recorded in 8 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 4 — 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
1,112
Total Violations
276
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
210
School/Daycare
No
MCL Violations
0
Monitoring Violations
273
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Benzo(a)pyrene MR 8 2011
Di(2-ethylhexyl) phthalate MR 8 2011
Heptachlor MR 7 2011
2,4-D MR 7 2011
Heptachlor epoxide MR 7 2011
2,4,5-TP MR 7 2011
Hexachlorocyclopentadiene MR 7 2011
Endrin MR 7 2011
BHC-GAMMA MR 7 2011
Methoxychlor MR 7 2011
Gross Alpha, Excl. Radon and U MR 6 2009
Nitrate MR 6 2016
Radium-226 MR 6 2009
Radium-228 MR 6 2009
Combined Uranium MR 6 2009
Dalapon MR 6 2011
LASSO MR 6 2011
Toxaphene MR 6 2011
Atrazine MR 6 2011
1,2-DIBROMO-3-CHLOROPROPANE MR 6 2011
Chlordane MR 6 2011
Simazine MR 6 2011
Total Polychlorinated Biphenyls (PCB) MR 6 2011
Di(2-ethylhexyl) adipate MR 6 2011
Glyphosate MR 6 2011
Carbofuran MR 6 2011
ETHYLENE DIBROMIDE MR 6 2011
Picloram MR 6 2011
OXAMYL MR 6 2011
Diquat MR 6 2011

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 Choctaw - Tucker.

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 042800004 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 4 — Tribal Water Systems Drinking Water Authority

EPA Region 4 — 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 04 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
2020 Groundwater Rule TT 3 SDWIS / 042800004 / 0700
2016 Nitrate MR 6 SDWIS / 042800004 / 1040
2016 Nitrite MR 4 SDWIS / 042800004 / 1041
2014 Total Haloacetic Acids (HAA5) MR 4 SDWIS / 042800004 / 2456
2014 TTHM MR 4 SDWIS / 042800004 / 2950
2014 Barium MR 3 SDWIS / 042800004 / 1010
2014 Cadmium MR 3 SDWIS / 042800004 / 1015
2014 Chromium MR 3 SDWIS / 042800004 / 1020
2014 CYANIDE MR 3 SDWIS / 042800004 / 1024
2014 Antimony, Total MR 3 SDWIS / 042800004 / 1074
2014 Selenium MR 3 SDWIS / 042800004 / 1045
2014 Nickel MR 3 SDWIS / 042800004 / 1036
2014 Mercury MR 3 SDWIS / 042800004 / 1035
2014 Thallium, Total MR 3 SDWIS / 042800004 / 1085
2014 Beryllium, Total MR 3 SDWIS / 042800004 / 1075

How Choctaw - Tucker Compares

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

Metric Choctaw - Tucker EPA Region 4 — Tribal Water Systems avg Federal benchmark
Total violations 276 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,112 - 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 4 — 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 Choctaw - Tucker water safe to drink? ▼
Choctaw - Tucker (PWS ID: 042800004) has 276 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,112 people using Groundwater sources.
How many people does Choctaw - Tucker serve? ▼
Choctaw - Tucker serves 1,112 people in Choctaw, EPA Region 4 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 210 service connections.
What type of violations does Choctaw - Tucker have? ▼
Choctaw - Tucker has 276 total violations: 3 health-based violations (MCL exceedances or treatment failures), 273 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Choctaw - Tucker water? ▼
No PFAS testing data is available for Choctaw - Tucker under the EPA's UCMR5 monitoring program.
What water source does Choctaw - Tucker use? ▼
Choctaw - Tucker 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.