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States → EPA Region 10 — Tribal Water Systems

Community Water System · PWS 105311103

Martha Boardman

Wellpinit, EPA Region 10 — Tribal Water Systems 99040 - drinking water served from groundwater sources to 295 people, tracked in EPA SDWIS and UCMR5.

295
People served
542
EPA violations
63
Health-based
Untested
UCMR5 result

The verdict

EPA records 542 drinking-water violations at Martha Boardman, 12% of them health-based.

542
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
295
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Martha Boardman

Martha Boardman is a native american-owned community water system that delivers drinking water to 295 residents in Wellpinit, EPA Region 10 — Tribal Water Systems through 80 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 542 total violations for this system , of which 63 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 453 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 69 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 10 — 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
295
Total Violations
542
Health-Based Violations
63
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
80
School/Daycare
No
MCL Violations
61
Monitoring Violations
453
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 69 2015
Arsenic MCL 54 2016
Arsenic MR 34 2024
Consumer Confidence Rule Other 17 2019
Nitrate MR 14 2016
Gross Alpha, Excl. Radon and U MR 11 2017
Revised Total Coliform Rule MON 9 2022
Coliform (TCR) MCL 7 2014
Dalapon MR 6 2017
Di(2-ethylhexyl) phthalate MR 6 2017
Dinoseb MR 6 2017
Endothall MR 6 2017
Endrin MR 6 2017
ETHYLENE DIBROMIDE MR 6 2017
Glyphosate MR 6 2017
Heptachlor MR 6 2017
OXAMYL MR 6 2017
Pentachlorophenol MR 6 2017
Simazine MR 6 2017
Total Polychlorinated Biphenyls (PCB) MR 6 2017
2,3,7,8-TCDD MR 6 2017
2,4-D MR 6 2017
2,4,5-TP MR 6 2017
BHC-GAMMA MR 6 2017
Methoxychlor MR 6 2017
Diquat MR 6 2017
Di(2-ethylhexyl) adipate MR 6 2017
Carbofuran MR 6 2017
Atrazine MR 6 2017
Toxaphene MR 6 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 Martha Boardman.

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 105311103 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 10 — Tribal Water Systems Drinking Water Authority

EPA Region 10 — 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 10 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
2024 Arsenic MR 34 SDWIS / 105311103 / 1005
2024 Public Notice Other 1 SDWIS / 105311103 / 7500
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / 105311103 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / 105311103 / 5200
2022 Revised Total Coliform Rule MON 9 SDWIS / 105311103 / 8000
2022 Revised Total Coliform Rule RPT 4 SDWIS / 105311103 / 8000
2019 Consumer Confidence Rule Other 17 SDWIS / 105311103 / 7000
2018 Groundwater Rule TT 1 SDWIS / 105311103 / 0700
2017 Gross Alpha, Excl. Radon and U MR 11 SDWIS / 105311103 / 4000
2017 Dalapon MR 6 SDWIS / 105311103 / 2031
2017 Di(2-ethylhexyl) phthalate MR 6 SDWIS / 105311103 / 2039
2017 Dinoseb MR 6 SDWIS / 105311103 / 2041
2017 Endothall MR 6 SDWIS / 105311103 / 2033
2017 Endrin MR 6 SDWIS / 105311103 / 2005
2017 ETHYLENE DIBROMIDE MR 6 SDWIS / 105311103 / 2946

How Martha Boardman Compares

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

Metric Martha Boardman EPA Region 10 — Tribal Water Systems avg Federal benchmark
Total violations 542 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 63 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 295 - 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 10 — 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 Martha Boardman water safe to drink? ▼
Martha Boardman (PWS ID: 105311103) has 542 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 295 people using Groundwater sources.
How many people does Martha Boardman serve? ▼
Martha Boardman serves 295 people in Wellpinit, EPA Region 10 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 80 service connections.
What type of violations does Martha Boardman have? ▼
Martha Boardman has 542 total violations: 63 health-based violations (MCL exceedances or treatment failures), 453 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Martha Boardman water? ▼
No PFAS testing data is available for Martha Boardman under the EPA's UCMR5 monitoring program.
What water source does Martha Boardman use? ▼
Martha Boardman 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.