PlainWater
States → Alaska

Community Water System · PWS AK2381498

Mentasta Washeteria/14 Plex

Glennallen, Alaska 99588 - drinking water served from groundwater sources to 90 people, tracked in EPA SDWIS and UCMR5.

90
People served
208
EPA violations
24
Health-based
Untested
UCMR5 result

The verdict

EPA records 208 drinking-water violations at Mentasta Washeteria/14 Plex, 12% of them health-based - above the Alaska per-system average.

208
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
90
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mentasta Washeteria/14 Plex

Mentasta Washeteria/14 Plex is a native american-owned community water system that delivers drinking water to 90 residents in Glennallen, Alaska (Valdez-Cordova Census Area County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 208 total violations for this system , of which 24 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 133 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 23 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Alaska, EPA tracks 1,326 public water systems serving 862,218 people, with 267,144 cumulative violations and 13,963 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 201.5 violations. Statewide, 10 of 30 UCMR5-tested systems have reported PFAS detections (33.3%).

Mentasta Washeteria/14 Plex's 208 violations sit above the Alaska average.

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
90
Total Violations
208
Health-Based Violations
24
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
4
County
Valdez-Cordova Census Area
School/Daycare
No
MCL Violations
23
Monitoring Violations
133
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 23 2008
Coliform (TCR) MR 22 2009
Lead and Copper Rule MR 9 2007
Consumer Confidence Rule Other 6 2005
Total Polychlorinated Biphenyls (PCB) MR 5 1995
Pentachlorophenol MR 5 1995
Heptachlor epoxide MR 5 1995
Heptachlor MR 5 1995
ETHYLENE DIBROMIDE MR 5 1995
Chlordane MR 5 1995
Atrazine MR 5 1995
Aldicarb MR 5 1995
Toxaphene MR 5 1995
Methoxychlor MR 5 1995
2,4-D MR 5 1995
Aldicarb sulfone MR 5 1995
Aldicarb sulfoxide MR 5 1995
2,4,5-TP MR 5 1995
Nitrate MR 5 2008
BHC-GAMMA MR 5 1995
Gross Alpha, Excl. Radon and U MR 3 1996
Fluoride MR 2 1994
Chromium MR 2 1994
Barium MR 2 1994
Arsenic MR 2 1994
Selenium MR 2 1994
Cadmium MR 2 1994
Mercury MR 2 1994
Thallium, Total MR 1 1996
Nickel MR 1 1996

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 Mentasta Washeteria/14 Plex.

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 AK2381498 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Alaska Drinking Water Authority

Alaska'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 AK 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
2013 Groundwater Rule TT 1 SDWIS / AK2381498 / 0700
2009 Coliform (TCR) MR 22 SDWIS / AK2381498 / 3100
2008 Coliform (TCR) MCL 23 SDWIS / AK2381498 / 3100
2008 Nitrate MR 5 SDWIS / AK2381498 / 1040
2007 Lead and Copper Rule MR 9 SDWIS / AK2381498 / 5000
2005 Consumer Confidence Rule Other 6 SDWIS / AK2381498 / 7000
1996 Gross Alpha, Excl. Radon and U MR 3 SDWIS / AK2381498 / 4000
1996 Thallium, Total MR 1 SDWIS / AK2381498 / 1085
1996 Nickel MR 1 SDWIS / AK2381498 / 1036
1996 Beryllium, Total MR 1 SDWIS / AK2381498 / 1075
1996 Antimony, Total MR 1 SDWIS / AK2381498 / 1074
1996 CYANIDE MR 1 SDWIS / AK2381498 / 1024
1995 Total Polychlorinated Biphenyls (PCB) MR 5 SDWIS / AK2381498 / 2383
1995 Pentachlorophenol MR 5 SDWIS / AK2381498 / 2326
1995 Heptachlor epoxide MR 5 SDWIS / AK2381498 / 2067

How Mentasta Washeteria/14 Plex Compares

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

Metric Mentasta Washeteria/14 Plex Alaska avg Federal benchmark
Total violations 208 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 24 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 33.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 90 650 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,326 regulated public water systems in Alaska.

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 Mentasta Washeteria/14 Plex water safe to drink? ▼
Mentasta Washeteria/14 Plex (PWS ID: AK2381498) has 208 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 90 people using Groundwater sources.
How many people does Mentasta Washeteria/14 Plex serve? ▼
Mentasta Washeteria/14 Plex serves 90 people in Glennallen, Alaska. It is a Native American-owned system using Groundwater water sources with 4 service connections.
What type of violations does Mentasta Washeteria/14 Plex have? ▼
Mentasta Washeteria/14 Plex has 208 total violations: 24 health-based violations (MCL exceedances or treatment failures), 133 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mentasta Washeteria/14 Plex water? ▼
No PFAS testing data is available for Mentasta Washeteria/14 Plex under the EPA's UCMR5 monitoring program.
What water source does Mentasta Washeteria/14 Plex use? ▼
Mentasta Washeteria/14 Plex 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.