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Counties → Alaska

Aleutians West Census Area County, Alaska

Water Systems
8
Population Served
10,909
Total Violations
6,431
125 health-based
PFAS Detected
0
of 1 tested

Violation Analysis

100.0%
Systems with Violations
803.9
Avg Violations per System
1.9%
Health-Based Violations

Water Source Types

SW
6 systems (75%)
GW
2 systems (25%)

PFAS Contamination

1
Systems Tested
0
PFAS Detected
0.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Aleutians West Census Area Alaska water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (8)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Unalaska Water System 9,400 398 Clean
Offshore Systems, Dutch Harbor 535 396 -
Saint Paul Water System 380 644 -
Adak Utilities 325 993 -
Usaf Eareckson 120 655 -
Saint George Water System 65 1,322 -
Atka 50 1,397 -
Nikolski Village 34 626 -

Other Counties in Alaska

Anchorage Municipality County
156 systems · 305,331 served · 22,461 violations
Fairbanks North Star Borough County
65 systems · 160,456 served · 6,815 violations
Matanuska-Susitna Borough County
345 systems · 91,419 served · 20,535 violations
Kenai Peninsula Borough County
201 systems · 47,039 served · 23,648 violations
Juneau City and Borough County
11 systems · 40,575 served · 2,414 violations
North Slope Borough County
78 systems · 28,722 served · 5,005 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Aleutians West Census Area County? ▼
Aleutians West Census Area County has 6,431 total drinking water violations across 8 water systems, of which 125 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Aleutians West Census Area County systems? ▼
Water systems in Aleutians West Census Area County serve approximately 10,909 people through 8 public water systems.
Has PFAS been detected in Aleutians West Census Area County water? ▼
Of 1 water systems tested for PFAS in Aleutians West Census Area County, 0 had PFAS detected (0.0% detection rate).
What types of water sources supply Aleutians West Census Area County? ▼
Water systems in Aleutians West Census Area County use SW (6 systems), GW (2 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 1.9% of Aleutians West Census Area County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

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 page draws directly on 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.