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Community Water System · PWS AK2210485

Sand Lake Services

Big Lake, Alaska 99652 - drinking water served from groundwater sources to 465 people, tracked in EPA SDWIS and UCMR5.

465
People served
137
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 137 drinking-water violations at Sand Lake Services - below the Alaska per-system average.

137
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
465
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sand Lake Services

Sand Lake Services is a private-owned community water system that delivers drinking water to 465 residents in Big Lake, Alaska (Anchorage Municipality County) through 152 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 137 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 75 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 37 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%).

Sand Lake Services's 137 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
465
Total Violations
137
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
152
County
Anchorage Municipality
School/Daycare
No
MCL Violations
0
Monitoring Violations
75
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 37 2007
Nitrate MR 8 2017
Consumer Confidence Rule Other 8 2021
Lead and Copper Rule MR 4 2004
Gross Alpha, Excl. Radon and U MR 2 1999
Xylenes, Total MR 1 1995
p-Dichlorobenzene MR 1 1995
Carbon tetrachloride MR 1 1995
CHLOROBENZENE MR 1 1995
Toluene MR 1 1995
Tetrachloroethylene MR 1 1995
Styrene MR 1 1995
1,2-Dichloropropane MR 1 1995
cis-1,2-Dichloroethylene MR 1 1995
trans-1,2-Dichloroethylene MR 1 1995
1,1-Dichloroethylene MR 1 1995
Trichloroethylene MR 1 1995
1,2-Dichloroethane MR 1 1995
Mercury MR 1 1987
Selenium MR 1 1987
Fluoride MR 1 1987
Barium MR 1 1987
Chromium MR 1 1987
Benzene MR 1 1995
Cadmium MR 1 1987
Arsenic MR 1 1987
o-Dichlorobenzene MR 1 1995
Ethylbenzene MR 1 1995
1,1,1-Trichloroethane MR 1 1995

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 Sand Lake Services.

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 AK2210485 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 Consumer Confidence Rule Other 8 SDWIS / AK2210485 / 7000
2017 Nitrate MR 8 SDWIS / AK2210485 / 1040
2007 Coliform (TCR) MR 37 SDWIS / AK2210485 / 3100
2004 Lead and Copper Rule MR 4 SDWIS / AK2210485 / 5000
1999 Gross Alpha, Excl. Radon and U MR 2 SDWIS / AK2210485 / 4000
1995 Xylenes, Total MR 1 SDWIS / AK2210485 / 2955
1995 p-Dichlorobenzene MR 1 SDWIS / AK2210485 / 2969
1995 Carbon tetrachloride MR 1 SDWIS / AK2210485 / 2982
1995 CHLOROBENZENE MR 1 SDWIS / AK2210485 / 2989
1995 Toluene MR 1 SDWIS / AK2210485 / 2991
1995 Tetrachloroethylene MR 1 SDWIS / AK2210485 / 2987
1995 Styrene MR 1 SDWIS / AK2210485 / 2996
1995 1,2-Dichloropropane MR 1 SDWIS / AK2210485 / 2983
1995 cis-1,2-Dichloroethylene MR 1 SDWIS / AK2210485 / 2380
1995 trans-1,2-Dichloroethylene MR 1 SDWIS / AK2210485 / 2979

How Sand Lake Services Compares

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

Metric Sand Lake Services Alaska avg Federal benchmark
Total violations 137 201.5 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 465 650 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 Sand Lake Services water safe to drink?
Sand Lake Services (PWS ID: AK2210485) has 137 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 465 people using Groundwater sources.
How many people does Sand Lake Services serve?
Sand Lake Services serves 465 people in Big Lake, Alaska. It is a Private-owned system using Groundwater water sources with 152 service connections.
What type of violations does Sand Lake Services have?
Sand Lake Services has 137 total violations: 0 health-based violations (MCL exceedances or treatment failures), 75 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sand Lake Services water?
No PFAS testing data is available for Sand Lake Services under the EPA's UCMR5 monitoring program.
What water source does Sand Lake Services use?
Sand Lake Services 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.
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.