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States → EPA Region 6 — Tribal Water Systems

Community Water System · PWS 062002156

Cherokee Kenwood Water District

Tahlequah, EPA Region 6 — Tribal Water Systems 74465 - drinking water served from surface water sources to 487 people, tracked in EPA SDWIS and UCMR5.

487
People served
22
EPA violations
19
Health-based
Untested
UCMR5 result

The verdict

EPA records 22 drinking-water violations at Cherokee Kenwood Water District, 86% of them health-based.

22
Total EPA violations on record
86%
Health-based (MCL / treatment failure)
487
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cherokee Kenwood Water District

Cherokee Kenwood Water District is a native american-owned community water system that delivers drinking water to 487 residents in Tahlequah, EPA Region 6 — Tribal Water Systems through 165 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 22 total violations for this system , of which 19 (86%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 3 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 11 violations (TT, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 6 — 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
487
Total Violations
22
Health-Based Violations
19
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
165
School/Daycare
No
MCL Violations
0
Monitoring Violations
3
Treatment Tech Violations
19

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 11 2019
Interim Enhanced Surface Water Treatment Rule TT 4 2016
Long Term 2 Enhanced Surface Water Treatment Rule TT 4 2017
Coliform (TCR) MR 1 2011
TTHM MR 1 2017
Total Haloacetic Acids (HAA5) MR 1 2017

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 Cherokee Kenwood Water District.

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 062002156 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 6 — Tribal Water Systems Drinking Water Authority

EPA Region 6 — 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 06 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
2019 Surface Water Treatment Rule TT 11 SDWIS / 062002156 / 0200
2017 Long Term 2 Enhanced Surface Water Treatment Rule TT 4 SDWIS / 062002156 / 0800
2017 TTHM MR 1 SDWIS / 062002156 / 2950
2017 Total Haloacetic Acids (HAA5) MR 1 SDWIS / 062002156 / 2456
2016 Interim Enhanced Surface Water Treatment Rule TT 4 SDWIS / 062002156 / 0300
2011 Coliform (TCR) MR 1 SDWIS / 062002156 / 3100

How Cherokee Kenwood Water District Compares

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

Metric Cherokee Kenwood Water District EPA Region 6 — Tribal Water Systems avg Federal benchmark
Total violations 22 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 19 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 487 - 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 6 — 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 Cherokee Kenwood Water District water safe to drink? ▼
Cherokee Kenwood Water District (PWS ID: 062002156) has 22 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 487 people using Surface Water sources.
How many people does Cherokee Kenwood Water District serve? ▼
Cherokee Kenwood Water District serves 487 people in Tahlequah, EPA Region 6 — Tribal Water Systems. It is a Native American-owned system using Surface Water water sources with 165 service connections.
What type of violations does Cherokee Kenwood Water District have? ▼
Cherokee Kenwood Water District has 22 total violations: 19 health-based violations (MCL exceedances or treatment failures), 3 monitoring/reporting violations, and 19 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cherokee Kenwood Water District water? ▼
No PFAS testing data is available for Cherokee Kenwood Water District under the EPA's UCMR5 monitoring program.
What water source does Cherokee Kenwood Water District use? ▼
Cherokee Kenwood Water District 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.