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WOLF POINT

PWS ID: 105300051 · WAPATO, 10 98951

WOLF POINT serves 125 people in WAPATO, 10 using Groundwater water sources. It has 176 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WOLF POINT

WOLF POINT is a native american-owned community water system that delivers drinking water to 125 residents in WAPATO, 10 through 30 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 176 total violations for this system , of which 1 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 164 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 27 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across 10, EPA tracks 158 public water systems serving 142,574 people, with 31,953 cumulative violations and 1,055 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 202.2 violations. WOLF POINT's 176 violations sit below the 10 average. Statewide, 2 of 10 UCMR5-tested systems have reported PFAS detections (20%). 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
125
Total Violations
176
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
30
School/Daycare
No
MCL Violations
1
Monitoring Violations
164
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 27 2016
Chlorine MR 12 2025
Nitrate MR 5 2014
Consumer Confidence Rule Other 5 2017
Lead and Copper Rule MR 4 2020
Arsenic MR 3 2014
2,3,7,8-TCDD MR 3 2020
Revised Total Coliform Rule RPT 3 2025
Chromium MR 2 2014
Fluoride MR 2 2014
Antimony, Total MR 2 2014
Beryllium, Total MR 2 2014
Thallium, Total MR 2 2014
Asbestos MR 2 2014
Selenium MR 2 2014
Xylenes, Total MR 2 2014
DICHLOROMETHANE MR 2 2014
p-Dichlorobenzene MR 2 2014
Vinyl chloride MR 2 2014
1,1-Dichloroethylene MR 2 2014
trans-1,2-Dichloroethylene MR 2 2014
1,2-Dichloroethane MR 2 2014
1,1,1-Trichloroethane MR 2 2014
Carbon tetrachloride MR 2 2014
1,2-Dichloropropane MR 2 2014
1,1,2-Trichloroethane MR 2 2014
Tetrachloroethylene MR 2 2014
CHLOROBENZENE MR 2 2014
Benzene MR 2 2014
Endothall MR 2 2020

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 WOLF POINT.

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 105300051 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

10 Drinking Water Authority

10'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
2025 Chlorine MR 12 SDWIS / 105300051 / 0999
2025 Revised Total Coliform Rule RPT 3 SDWIS / 105300051 / 8000
2020 Lead and Copper Rule MR 4 SDWIS / 105300051 / 5000
2020 2,3,7,8-TCDD MR 3 SDWIS / 105300051 / 2063
2020 Endothall MR 2 SDWIS / 105300051 / 2033
2020 Glyphosate MR 2 SDWIS / 105300051 / 2034
2020 1,2-DIBROMO-3-CHLOROPROPANE MR 2 SDWIS / 105300051 / 2931
2020 ETHYLENE DIBROMIDE MR 2 SDWIS / 105300051 / 2946
2020 OXAMYL MR 2 SDWIS / 105300051 / 2036
2020 Carbofuran MR 2 SDWIS / 105300051 / 2046
2020 Diquat MR 2 SDWIS / 105300051 / 2032
2017 Consumer Confidence Rule Other 5 SDWIS / 105300051 / 7000
2016 Coliform (TCR) MR 27 SDWIS / 105300051 / 3100
2016 Revised Total Coliform Rule MON 1 SDWIS / 105300051 / 8000
2014 Nitrate MR 5 SDWIS / 105300051 / 1040

How WOLF POINT Compares

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

Metric WOLF POINT 10 avg Federal benchmark
Total violations 176 202.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 6.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 20% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 125 902 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 158 regulated public water systems in 10.

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 WOLF POINT water safe to drink? ▼
WOLF POINT (PWS ID: 105300051) has 176 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 125 people using Groundwater sources.
How many people does WOLF POINT serve? ▼
WOLF POINT serves 125 people in WAPATO, 10. It is a Native American-owned system using Groundwater water sources with 30 service connections.
What type of violations does WOLF POINT have? ▼
WOLF POINT has 176 total violations: 1 health-based violations (MCL exceedances or treatment failures), 164 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WOLF POINT water? ▼
No PFAS testing data is available for WOLF POINT under the EPA's UCMR5 monitoring program.
What water source does WOLF POINT use? ▼
WOLF POINT 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.

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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.

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