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HILCORP SPY ISLAND DS

PWS ID: AK2330071 · ANCHORAGE, Alaska 99503

HILCORP SPY ISLAND DS serves 120 people in ANCHORAGE, Alaska using Groundwater water sources. It has 70 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HILCORP SPY ISLAND DS

HILCORP SPY ISLAND DS is a private-owned non-transient non-community water system that delivers drinking water to 120 residents in ANCHORAGE, Alaska (North Slope Borough County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 70 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 48 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Xylenes, Total, 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. HILCORP SPY ISLAND DS's 70 violations sit below the Alaska average. Statewide, 10 of 30 UCMR5-tested systems have reported PFAS detections (33.3%). 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
120
Total Violations
70
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
North Slope Borough
School/Daycare
No
MCL Violations
0
Monitoring Violations
48
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Xylenes, Total MR 3 2017
Chlorine MR 2 2019
1,2,4-Trichlorobenzene MR 2 2012
p-Dichlorobenzene MR 2 2012
1,1-Dichloroethylene MR 2 2012
1,2-Dichloropropane MR 2 2012
Trichloroethylene MR 2 2012
1,1,2-Trichloroethane MR 2 2012
CHLOROBENZENE MR 2 2012
Toluene MR 2 2012
Styrene MR 2 2012
cis-1,2-Dichloroethylene MR 2 2012
DICHLOROMETHANE MR 2 2012
trans-1,2-Dichloroethylene MR 2 2012
1,2-Dichloroethane MR 2 2012
Carbon tetrachloride MR 2 2012
Ethylbenzene MR 2 2012
Vinyl chloride MR 2 2012
Benzene MR 2 2012
Tetrachloroethylene MR 2 2012
o-Dichlorobenzene MR 2 2012
1,1,1-Trichloroethane MR 2 2012
Revised Total Coliform Rule MON 1 2019
Nickel MR 1 2014
Mercury MR 1 2014

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 HILCORP SPY ISLAND DS.

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 AK2330071 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
2019 Chlorine MR 2 SDWIS / AK2330071 / 0999
2019 Revised Total Coliform Rule MON 1 SDWIS / AK2330071 / 8000
2017 Xylenes, Total MR 3 SDWIS / AK2330071 / 2955
2014 Nickel MR 1 SDWIS / AK2330071 / 1036
2014 Mercury MR 1 SDWIS / AK2330071 / 1035
2012 1,2,4-Trichlorobenzene MR 2 SDWIS / AK2330071 / 2378
2012 p-Dichlorobenzene MR 2 SDWIS / AK2330071 / 2969
2012 1,1-Dichloroethylene MR 2 SDWIS / AK2330071 / 2977
2012 1,2-Dichloropropane MR 2 SDWIS / AK2330071 / 2983
2012 Trichloroethylene MR 2 SDWIS / AK2330071 / 2984
2012 1,1,2-Trichloroethane MR 2 SDWIS / AK2330071 / 2985
2012 CHLOROBENZENE MR 2 SDWIS / AK2330071 / 2989
2012 Toluene MR 2 SDWIS / AK2330071 / 2991
2012 Styrene MR 2 SDWIS / AK2330071 / 2996
2012 cis-1,2-Dichloroethylene MR 2 SDWIS / AK2330071 / 2380

How HILCORP SPY ISLAND DS Compares

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

Metric HILCORP SPY ISLAND DS Alaska avg Federal benchmark
Total violations 70 201.5 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 120 650 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is HILCORP SPY ISLAND DS water safe to drink? ▼
HILCORP SPY ISLAND DS (PWS ID: AK2330071) has 70 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 120 people using Groundwater sources.
How many people does HILCORP SPY ISLAND DS serve? ▼
HILCORP SPY ISLAND DS serves 120 people in ANCHORAGE, Alaska. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does HILCORP SPY ISLAND DS have? ▼
HILCORP SPY ISLAND DS has 70 total violations: 0 health-based violations (MCL exceedances or treatment failures), 48 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HILCORP SPY ISLAND DS water? ▼
No PFAS testing data is available for HILCORP SPY ISLAND DS under the EPA's UCMR5 monitoring program.
What water source does HILCORP SPY ISLAND DS use? ▼
HILCORP SPY ISLAND DS uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial