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States05

THUNDERBIRD C-STORE

PWS ID: 050595515 · KESHENA, 05 54135

THUNDERBIRD C-STORE serves 61 people in KESHENA, 05 using Groundwater water sources. It has 14 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: THUNDERBIRD C-STORE

THUNDERBIRD C-STORE is a native american-owned transient non-community water system that delivers drinking water to 61 residents in KESHENA, 05 through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 14 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 11 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 7 violations (MON). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across 05, EPA tracks 113 public water systems serving 144,290 people, with 19,546 cumulative violations and 443 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 173 violations. THUNDERBIRD C-STORE's 14 violations sit below the 05 average. Statewide, 5 of 13 UCMR5-tested systems have reported PFAS detections (38.5%). 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
61
Total Violations
14
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Native American
Connections
2
School/Daycare
No
MCL Violations
0
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 7 2017
E. COLI MR 4 2021
Revised Total Coliform Rule Other 3 2016

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 THUNDERBIRD C-STORE.

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 050595515 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

05 Drinking Water Authority

05'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 05 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
2021 E. COLI MR 4 SDWIS / 050595515 / 3014
2017 Revised Total Coliform Rule MON 7 SDWIS / 050595515 / 8000
2016 Revised Total Coliform Rule Other 3 SDWIS / 050595515 / 8000

How THUNDERBIRD C-STORE Compares

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

Metric THUNDERBIRD C-STORE 05 avg Federal benchmark
Total violations 14 173 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 3.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 61 1,277 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 113 regulated public water systems in 05.

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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is THUNDERBIRD C-STORE water safe to drink?
THUNDERBIRD C-STORE (PWS ID: 050595515) has 14 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 61 people using Groundwater sources.
How many people does THUNDERBIRD C-STORE serve?
THUNDERBIRD C-STORE serves 61 people in KESHENA, 05. It is a Native American-owned system using Groundwater water sources with 2 service connections.
What type of violations does THUNDERBIRD C-STORE have?
THUNDERBIRD C-STORE has 14 total violations: 0 health-based violations (MCL exceedances or treatment failures), 11 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in THUNDERBIRD C-STORE water?
No PFAS testing data is available for THUNDERBIRD C-STORE under the EPA's UCMR5 monitoring program.
What water source does THUNDERBIRD C-STORE use?
THUNDERBIRD C-STORE uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial