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Transient Non-Community Water System · PWS AK2291431

Tolsona Wilderness Campground

Glennallen, Alaska 99588-0023 - drinking water served from groundwater sources to 60 people, tracked in EPA SDWIS and UCMR5.

60
People served
62
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 62 drinking-water violations at Tolsona Wilderness Campground, 2% of them health-based - below the Alaska per-system average.

62
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
60
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Tolsona Wilderness Campground

Tolsona Wilderness Campground is a private-owned transient non-community water system that delivers drinking water to 60 residents in Glennallen, Alaska (Valdez-Cordova Census Area County) through 49 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 62 total violations for this system , of which 1 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 32 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 9 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 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%).

Tolsona Wilderness Campground's 62 violations sit below 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
60
Total Violations
62
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
49
County
Valdez-Cordova Census Area
School/Daycare
No
MCL Violations
0
Monitoring Violations
32
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 9 2010
E. COLI MR 8 2012
Nitrate MR 7 2011
Nitrite MR 3 1996
Long Term 2 Enhanced Surface Water Treatment Rule MR 2 2012
Surface Water Treatment Rule MR 2 2008
Revised Total Coliform Rule MON 1 2023
Surface Water Treatment Rule TT 1 2011

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 Tolsona Wilderness Campground.

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 AK2291431 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
2023 Revised Total Coliform Rule MON 1 SDWIS / AK2291431 / 8000
2012 E. COLI MR 8 SDWIS / AK2291431 / 3014
2012 Long Term 2 Enhanced Surface Water Treatment Rule MR 2 SDWIS / AK2291431 / 0800
2011 Nitrate MR 7 SDWIS / AK2291431 / 1040
2011 Surface Water Treatment Rule TT 1 SDWIS / AK2291431 / 0200
2010 Coliform (TCR) MR 9 SDWIS / AK2291431 / 3100
2008 Surface Water Treatment Rule MR 2 SDWIS / AK2291431 / 0200
1996 Nitrite MR 3 SDWIS / AK2291431 / 1041

How Tolsona Wilderness Campground Compares

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

Metric Tolsona Wilderness Campground Alaska avg Federal benchmark
Total violations 62 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 60 650 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 Tolsona Wilderness Campground water safe to drink? ▼
Tolsona Wilderness Campground (PWS ID: AK2291431) has 62 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 60 people using Groundwater sources.
How many people does Tolsona Wilderness Campground serve? ▼
Tolsona Wilderness Campground serves 60 people in Glennallen, Alaska. It is a Private-owned system using Groundwater water sources with 49 service connections.
What type of violations does Tolsona Wilderness Campground have? ▼
Tolsona Wilderness Campground has 62 total violations: 1 health-based violations (MCL exceedances or treatment failures), 32 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Tolsona Wilderness Campground water? ▼
No PFAS testing data is available for Tolsona Wilderness Campground under the EPA's UCMR5 monitoring program.
What water source does Tolsona Wilderness Campground use? ▼
Tolsona Wilderness Campground uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.