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Community Water System · PWS AK2212021

Girdwood Water System

Anchorage, Alaska 99519 - drinking water served from groundwater sources to 2,942 people, tracked in EPA SDWIS and UCMR5.

2,942
People served
119
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 119 drinking-water violations at Girdwood Water System - below the Alaska per-system average.

119
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
2,942
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Girdwood Water System

Girdwood Water System is a local-owned community water system that delivers drinking water to 2,942 residents in Anchorage, Alaska (Anchorage Municipality County) through 729 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 119 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 72 monitoring and reporting violations are on file. The most recent violation on record dates to 2011.

The most frequently cited contaminant at this system is 1,1,2-Trichloroethane, recorded in 3 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%).

Girdwood Water System's 119 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
2,942
Total Violations
119
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
729
County
Anchorage Municipality
School/Daycare
No
MCL Violations
0
Monitoring Violations
72
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,1,2-Trichloroethane MR 3 1994
p-Dichlorobenzene MR 3 1994
o-Dichlorobenzene MR 3 1994
CHLOROBENZENE MR 3 1994
Tetrachloroethylene MR 3 1994
Styrene MR 3 1994
Ethylbenzene MR 3 1994
cis-1,2-Dichloroethylene MR 3 1994
Trichloroethylene MR 3 1994
Benzene MR 3 1994
1,2-Dichloroethane MR 3 1994
DICHLOROMETHANE MR 3 1994
Carbon tetrachloride MR 3 1994
1,2-Dichloropropane MR 3 1994
trans-1,2-Dichloroethylene MR 3 1994
Consumer Confidence Rule Other 3 2011
1,1,1-Trichloroethane MR 3 1994
1,1-Dichloroethylene MR 3 1994
Gross Alpha, Excl. Radon and U MR 3 1987
Toluene MR 3 1994
Xylenes, Total MR 2 1994
1,2,4-Trichlorobenzene MR 2 1994
CYANIDE MR 2 1996
Selenium MR 1 1979
Mercury MR 1 1979
Nitrate MR 1 1979
Fluoride MR 1 1979
Arsenic MR 1 1979
Vinyl chloride MR 1 1991
Cadmium MR 1 1979

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 Girdwood Water System.

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 AK2212021 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
2011 Consumer Confidence Rule Other 3 SDWIS / AK2212021 / 7000
1996 CYANIDE MR 2 SDWIS / AK2212021 / 1024
1994 1,1,2-Trichloroethane MR 3 SDWIS / AK2212021 / 2985
1994 p-Dichlorobenzene MR 3 SDWIS / AK2212021 / 2969
1994 o-Dichlorobenzene MR 3 SDWIS / AK2212021 / 2968
1994 CHLOROBENZENE MR 3 SDWIS / AK2212021 / 2989
1994 Tetrachloroethylene MR 3 SDWIS / AK2212021 / 2987
1994 Styrene MR 3 SDWIS / AK2212021 / 2996
1994 Ethylbenzene MR 3 SDWIS / AK2212021 / 2992
1994 cis-1,2-Dichloroethylene MR 3 SDWIS / AK2212021 / 2380
1994 Trichloroethylene MR 3 SDWIS / AK2212021 / 2984
1994 Benzene MR 3 SDWIS / AK2212021 / 2990
1994 1,2-Dichloroethane MR 3 SDWIS / AK2212021 / 2980
1994 DICHLOROMETHANE MR 3 SDWIS / AK2212021 / 2964
1994 Carbon tetrachloride MR 3 SDWIS / AK2212021 / 2982

How Girdwood Water System Compares

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

Metric Girdwood Water System Alaska avg Federal benchmark
Total violations 119 201.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 2,942 650 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 Girdwood Water System water safe to drink? ▼
Girdwood Water System (PWS ID: AK2212021) has 119 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,942 people using Groundwater sources.
How many people does Girdwood Water System serve? ▼
Girdwood Water System serves 2,942 people in Anchorage, Alaska. It is a Local-owned system using Groundwater water sources with 729 service connections.
What type of violations does Girdwood Water System have? ▼
Girdwood Water System has 119 total violations: 0 health-based violations (MCL exceedances or treatment failures), 72 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Girdwood Water System water? ▼
No PFAS testing data is available for Girdwood Water System under the EPA's UCMR5 monitoring program.
What water source does Girdwood Water System use? ▼
Girdwood Water System 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.