01The verdict: is Wolf Point water safe?
Wolf Point's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 4,048 residents using surface water (rivers, lakes, or reservoirs).
7 unresolved violations on record
EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.
See what was cited ↓Lead is well under the limit
90th-percentile lead is 0.0 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.
See the trend ↓7 violations in the last five years
Recent compliance history is the best predictor of future problems — the year-by-year record is below.
See the record ↓Wolf Point's drinking water received a grade of B (77.8 out of 100), indicating good water quality. The city's 4 water systems serve approximately 4,048 residents using purchased surface water.
Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program. The system has 110 violations on record, including 13 health-based violations. 7 remain unresolved.
Wolf Point ranks #41 out of 110 cities in Montana for water quality, placing it mid-range in the state. The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection. The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
02What's in Wolf Point's water
Every contaminant flagged in Wolf Point, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
Cities ranked by 90th-percentile lead PF PFAS in Montana
Cities ranked by compounds detected Cu Copper in Montana
Cities ranked by 90th-percentile copper
03Wolf Point's ten-year track record
Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 110 violations on record, including 13 health-based violations. 7 remain unresolved.
4 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.
▼ Down 2 ppb since 1999. Latest reading: 0 ppb (2026) — 0% of the action level. Sampled at higher-risk homes (90th percentile).
04Where Wolf Point's water comes from
Wolf Point's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Purchased Surface Water
Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.
Wholesale supplier
Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.
4 systems
4 water systems, operated under native american ownership.
4,048 people
Residents served across Wolf Point's service area.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards. These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge. The system is operated by native american ownership and serves approximately 4,048 people through 4 water systems.
| System name | PWSID | Population | Source |
|---|---|---|---|
| WOLF POINT CITY OF | 083090058 | 3,000 | Purchased Surface Water |
| FRAZER WATER SYSTEM | 083090053 | 452 | Purchased Surface Water |
| BROCKTON, TOWN OF | 083090057 | 375 | Purchased Surface Water |
| FORT KIPP SUBDIVISION WATER SYSTEM | 083090052 | 221 | Purchased Surface Water |
Water bodies near Wolf Point
As a surface-water system, these water bodies may directly influence Wolf Point's drinking water supply.
05Pressure on Wolf Point's watershed
Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.
Flood & storm history
2 federal disaster declarations on record for Roosevelt County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.
06How Wolf Point compares
Scores for nearby Montana cities on one line, with the average marked.
dashed line = Montana average (48/100)
Wolf Point scores 77.8/100 — above the Montana average of 48/100. It outscores 9 of 10 nearby cities. Full Montana rankings →
39.6 / 100FMissoula, MT
42.6 / 100FBozeman, MT
43.4 / 100FGreat Falls, MT
34.5 / 100FKalispell, MT
40.1 / 100FHelena, MT
39.1 / 100
07What to do at home
Steps matched to what testing actually found in Wolf Point's water — not generic advice.
A basic carbon filter still helps
Wolf Point's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.
Compare tested filters →Read your utility's annual report
Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.
How to read a CCR →Watch for Wolf Point alerts
We refresh EPA data monthly and surface new violations, advisories, and boil-water notices for your county on this page.
All water alerts →Frequently asked questions
Is Wolf Point, MT tap water safe to drink?
Wolf Point's water quality earned a grade of B (77.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #41 out of 110 cities tested in Montana.
What contaminants are in Wolf Point's water?
Lead was measured at 0.0 ppb (90th percentile). 110 violations are on record.
How is Wolf Point's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Wolf Point?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Wolf Point's water come from?
Wolf Point's water is sourced from Purchased surface water. The city has 4 water systems serving approximately 4,048 residents.
What health violations has Wolf Point's water system had?
Wolf Point has 13 health-based violations on record. The most recent violation was recorded in January 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.
How does Wolf Point's water compare to other cities?
Wolf Point ranks #41 out of 110 cities in Montana (better than 63% of state cities) and #8781 out of 15382 cities nationally (43th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.