PlainWater
Counties → Alaska

Matanuska-Susitna Borough County, Alaska

Water Systems
345
Population Served
91,419
Total Violations
20,535
917 health-based
PFAS Detected
1
of 2 tested

Violation Analysis

97.4%
Systems with Violations
59.5
Avg Violations per System
4.5%
Health-Based Violations

Water Source Types

GW
50 systems (14%)

PFAS Contamination

2
Systems Tested
1
PFAS Detected
50.0%
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

Matanuska-Susitna Borough Alaska water systems by violation status, EPA SDWIS records.

No violations on record (2) One or more violations (48)

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
Wasilla Water System 18,492 224 Detected
Palmer Water System 8,111 206 Clean
Unified Alaskan Utilities Settlers Bay 2,733 267 -
Msbsd Colony Schools 1,961 103 -
Talkeetna Water System 1,850 161 -
Valley Utilities LLC 1,590 6 -
Speedway Seward Meridian 1,315 10 -
Country Field Water Co. 1,166 91 -
Speedway Kgb 1,162 34 -
Mt McKinley Princess Lodge 1,156 258 -
Fairview Market Place 1,113 43 -
Speedway Parks/Pitman 1,111 22 -
Matsu Water Bottling 1,025 147 -
Equestrian Acres 950 104 -
Victoria Estates 912 192 -
Msbsd Knik-Goose Bay Elem. 897 34 -
Talkeetna Alaskan Lodge 884 11 -
Msbsd Teeland Middle School 748 24 -
Wasilla Christian Church 658 18 -
Church on the Rock Wasilla Campus 617 34 -
Three Bears Store 60 - 4 Corners 590 83 -
Msbsd Career Center 575 195 -
Msbsd Redington JR/SR High School 550 15 -
East Big Lake Mall 546 79 -
Msbsd Meadow Lakes Elementary 515 49 -
Wasilla Circle K Store - 7751 W Parks Hw 513 5 -
Msbsd Ron Larson School 505 31 -
Trapper Creek Watering Point 500 7 -
Unified Alaskan Utilities Midtown Est 495 125 -
Three Bears Store 80 - Pittman 484 44 -
Msbsd Mat-Su Central School 480 0 -
Msbsd Cottonwood Creek Elem 475 179 -
Msbsd Pioneer Peak 475 135 -
Meadow Brook Subdivision 465 151 -
Msbsd Finger Lake Elementary 445 121 -
Msbsd Tanaina Elementary 439 51 -
Pioneer Meadows Subdivision 435 87 -
Msbsd Snowshoe Elementary 427 125 -
Three Bears Store Big Lake 420 0 -
Gorilla Fireworks. LLC 420 1 -
Townsite Foodmart 406 19 -
Turners Corner 406 17 -
Msbsd Dena'ina Elementary School 400 12 -
Msbsd Butte Elementary 400 43 -
Three Bears Store 85 - Kgb 388 69 -
Msbsd Houston High School 381 61 -
Msbsd Houston Middle School 380 18 -
Valley Country Store #2 365 2 -
Msbsd Big Lake Elem #2 New 365 47 -
Valley Country Store #1 365 22 -

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
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
Denali Borough County
56 systems · 18,777 served · 2,545 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Matanuska-Susitna Borough County? ▼
Matanuska-Susitna Borough County has 20,535 total drinking water violations across 345 water systems, of which 917 are health-based violations. 97.4% of systems have at least one violation.
How many people get water from Matanuska-Susitna Borough County systems? ▼
Water systems in Matanuska-Susitna Borough County serve approximately 91,419 people through 345 public water systems.
Has PFAS been detected in Matanuska-Susitna Borough County water? ▼
Of 2 water systems tested for PFAS in Matanuska-Susitna Borough County, 1 had PFAS detected (50.0% detection rate).
What types of water sources supply Matanuska-Susitna Borough County? ▼
Water systems in Matanuska-Susitna Borough County use GW (50 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. 4.5% of Matanuska-Susitna Borough 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.