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Community Water System · PWS AK2110601

Skagway

Skagway, Alaska 99840 - drinking water served from groundwater sources to 10,947 people, tracked in EPA SDWIS and UCMR5.

10,947
People served
621
EPA violations
9
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 621 drinking-water violations at Skagway, 1% of them health-based - above the Alaska per-system average.

621
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
10,947
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Skagway

Skagway is a native american-owned community water system that delivers drinking water to 10,947 residents in Skagway, Alaska through 375 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 621 total violations for this system , of which 9 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 530 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 19 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Skagway's 621 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
10,947
Total Violations
621
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
375
School/Daycare
No
MCL Violations
7
Monitoring Violations
530
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 19 2014
Nitrate MR 19 2012
1,2,4-Trichlorobenzene MR 17 2012
Xylenes, Total MR 17 2012
p-Dichlorobenzene MR 17 2012
Toluene MR 17 2012
Tetrachloroethylene MR 17 2012
Styrene MR 17 2012
Ethylbenzene MR 17 2012
cis-1,2-Dichloroethylene MR 17 2012
trans-1,2-Dichloroethylene MR 17 2012
Trichloroethylene MR 17 2012
1,2-Dichloroethane MR 17 2012
Carbon tetrachloride MR 17 2012
1,1,2-Trichloroethane MR 17 2012
CHLOROBENZENE MR 17 2012
1,1-Dichloroethylene MR 17 2012
1,1,1-Trichloroethane MR 17 2012
1,2-Dichloropropane MR 17 2012
Benzene MR 17 2012
o-Dichlorobenzene MR 17 2012
DICHLOROMETHANE MR 15 2012
Arsenic MR 15 2017
Gross Alpha, Excl. Radon and U MR 14 2007
Vinyl chloride MR 12 2012
Combined Uranium MR 12 2007
Combined Radium (-226 and -228) MR 12 2007
Fluoride MR 9 2002
Barium MR 8 2002
Chromium MR 8 2002

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
HFPO-DA 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/16/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/16/2025 <2.00 ppt 2.00 ppt Not Detected
PFBA 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFDoA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/16/2025 <6.00 ppt 6.00 ppt Not Detected
PFDA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFTA 7/16/2025 <8.00 ppt 8.00 ppt Not Detected
PFPeS 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/16/2025 <20.00 ppt 20.00 ppt Not Detected
PFMPA 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 7/16/2025 <7.00 ppt 7.00 ppt Not Detected
8:2 FTS 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFPeA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFMBA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 7/16/2025 <8.00 ppt 8.00 ppt Not Detected
ADONA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFDoA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/16/2025 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 7/16/2025 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 7/16/2025 <7.00 ppt 7.00 ppt Not Detected
PFHxS 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/16/2025 <20.00 ppt 20.00 ppt Not Detected
PFEESA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/16/2025 <5.00 ppt 5.00 ppt Not Detected
PFBS 7/16/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/16/2025 <2.00 ppt 2.00 ppt Not Detected
PFHpA 7/16/2025 <3.00 ppt 3.00 ppt Not Detected

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 Skagway.

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 AK2110601 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
2021 Revised Total Coliform Rule MON 3 SDWIS / AK2110601 / 8000
2020 Consumer Confidence Rule Other 3 SDWIS / AK2110601 / 7000
2017 Arsenic MR 15 SDWIS / AK2110601 / 1005
2017 Groundwater Rule TT 2 SDWIS / AK2110601 / 0700
2016 Revised Total Coliform Rule Other 2 SDWIS / AK2110601 / 8000
2015 Coliform (TCR) MCL 7 SDWIS / AK2110601 / 3100
2014 Coliform (TCR) MR 19 SDWIS / AK2110601 / 3100
2012 Nitrate MR 19 SDWIS / AK2110601 / 1040
2012 1,2,4-Trichlorobenzene MR 17 SDWIS / AK2110601 / 2378
2012 Xylenes, Total MR 17 SDWIS / AK2110601 / 2955
2012 p-Dichlorobenzene MR 17 SDWIS / AK2110601 / 2969
2012 Toluene MR 17 SDWIS / AK2110601 / 2991
2012 Tetrachloroethylene MR 17 SDWIS / AK2110601 / 2987
2012 Styrene MR 17 SDWIS / AK2110601 / 2996
2012 Ethylbenzene MR 17 SDWIS / AK2110601 / 2992

How Skagway Compares

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

Metric Skagway Alaska avg Federal benchmark
Total violations 621 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 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 10,947 650 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 Skagway water safe to drink?
Skagway (PWS ID: AK2110601) has 621 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 10,947 people using Groundwater sources.
How many people does Skagway serve?
Skagway serves 10,947 people in Skagway, Alaska. It is a Native American-owned system using Groundwater water sources with 375 service connections.
What type of violations does Skagway have?
Skagway has 621 total violations: 9 health-based violations (MCL exceedances or treatment failures), 530 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Skagway water?
No. Skagway was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Skagway use?
Skagway 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.