Is Mountain Village, AK Tap Water Safe to Drink?
Graded D+, with 30 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
52/100
waterverge.com Mountain Village, AK — Water Quality Report
Mountain Village's drinking water received a grade of D+ (52 out of 100), indicating poor water quality. The city's 1 water system serves approximately 850 residents using groundwater.
Lead levels were measured at 1.5 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 1209 violations on record, including 18 health-based violations. 30 remain unresolved.
What to know about Mountain Village's water
Mountain Village ranks #30 out of 79 cities in Alaska for water quality, placing it mid-range in the state.
Mountain Village relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Mountain Village may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 114 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Mountain Village, AK water safe to drink?
Mountain Village's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (52/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 850 residents using groundwater (wells).
Recent water quality updates for Mountain Village
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Mountain Village's water quality assessment. Grade: D+ (52/100).
Contaminants: Arsenic, Total Haloacetic Acids (HAA5), Lead and Copper Rule.
Contaminants: Chlorine, Revised Total Coliform Rule.
Contaminants: Chlorine, Revised Total Coliform Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Mountain Village's water supply.
Well within EPA limits.
Violation history
Mountain Village's water system has 1,209 total violations on record, including 18 health-based violations. 30 remain unresolved. 114 violations were issued in the last 5 years.
Where does Mountain Village's water come from?
Mountain Village's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 850 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Mountain Village residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Mountain Village's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
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. | 1.5 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Mountain Village compares by contaminant
Explore where Mountain Village ranks among all Alaska cities for specific contaminants.
Water source & infrastructure
Where Mountain Village's water comes from
Mountain Village's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by native american ownership and serves approximately 850 people through 1 water system.
Water systems serving Mountain Village
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MOUNTAIN VILLAGE WATER SYSTEM | AK2270150 | 850 | GW |
How Mountain Village compares
Full Alaska rankings →Mountain Village's score of 52/100 is below the average of 61/100 among major Alaska cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.
Nearby cities
View Alaska rankings →About Mountain Village, AK
Wikipedia →Mountain Village is a city in Kusilvak Census Area, Alaska, United States, located on the Yukon River near the Yukon-Kuskokwim Delta. As of the 2020 census, Mountain Village had a population of 621.
Learn more about your water
Guides and resources related to Mountain Village's water quality findings.
Explore water quality across Wade Hampton Census Area
Frequently asked questions
Is Mountain Village, AK tap water safe to drink?
Mountain Village's water quality earned a grade of D+ (52/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #30 out of 79 cities tested in Alaska.
What contaminants are in Mountain Village's water?
Lead was measured at 1.5 ppb (90th percentile). 1209 violations are on record.
How is Mountain Village'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 Mountain Village?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Mountain Village's water come from?
Mountain Village's water is sourced from Groundwater. The city has 1 water system serving approximately 850 residents.
What health violations has Mountain Village's water system had?
Mountain Village has 18 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. 30 violations remain unresolved.
Is Mountain Village's groundwater at risk of contamination?
Mountain Village uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 1209 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Mountain Village's water compare to other cities?
Mountain Village ranks #30 out of 79 cities in Alaska (better than 62% of state cities) and #12832 out of 15744 cities nationally (19th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Mountain Village's small water system affect quality?
Mountain Village's system serves approximately 850 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 1209 violations on record.