PlainWater
Counties → Alaska

North Slope Borough County, Alaska

Water Systems
78
Population Served
28,722
Total Violations
5,005
336 health-based
PFAS Detected
1
of 1 tested

Violation Analysis

92.3%
Systems with Violations
64.2
Avg Violations per System
6.7%
Health-Based Violations

Water Source Types

SW
47 systems (60%)
GW
3 systems (4%)

PFAS Contamination

1
Systems Tested
1
PFAS Detected
100.0%
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

North Slope Borough Alaska water systems by violation status, EPA SDWIS records.

No violations on record (6) One or more violations (44)

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
Barrow Utilities & Elec. Coop., Inc. (Bu 4,900 119 Detected
Prudhoe Bay Opt. Center 1,200 191 -
Conocophillips Kuparuk Operations Center 1,198 217 -
Nsbu - Point Hope 881 393 -
Worley Water Truck #30030 770 10 -
Worley Water Truck #30031 770 9 -
Worley Water Truck #30032 770 10 -
Worley Water Truck #30033 770 9 -
Pboc Potable Water Truck #34-008 700 6 -
The Water Service 638 43 -
Water Haul Vehicle Cpai – Wtk01 620 0 -
Water Haul Vehicle Cpai – Wtk03 620 0 -
Nsbu - Wainwright 600 417 -
Pboc Water Truck #34-017 600 10 -
Worely Water Tanker #30028 500 3 -
Nsb Sa-10 Truck 19522 500 0 -
Nsb Sa-10 Truck 19523 500 0 -
Cwtf Water Truck 34-011 490 7 -
Worley Water Tanker #30024 480 10 -
Worley Water Tanker #30026 480 3 -
Hilcorp North Slope LLC Exploration Cwtf 475 86 -
Aec Gmt1 Camp Kuukpik 451 35 -
Water Haul Vehicle Sa10-19526 450 0 -
Nsbu - Nuiqsut 443 272 -
Ice Services 10K Gal Water Unit 60A-W1 403 4 -
Nsbu - Anaktuvuk Pass 350 199 -
Ice Services Treatment Plant # 2015 349 20 -
Ice Services Aurora Hotel 327 13 -
Cpai Primary Alpine Truck 011 300 7 -
Nsb Sa-10 Truck 19518 300 6 -
Hilcorp Water Haul Trailer -1208 300 11 -
Conocophillips Willow Construction Camp 300 4 -
Milne Point Unit - Hilcorp 300 115 -
Nsbu - Kaktovik (Barter Is) 292 326 -
Water Truck 34-016 290 4 -
Nsbu - Atqasuk 284 357 -
Prudhoe Bay Hotel 260 149 -
Worley Water Truck #85075 250 0 -
Nsbu - Point Lay 237 381 -
Nsb Sa10 Hotel 222 5 -
Hilcorp Oliktok/Opp & Nikaitchuq/Noc 220 179 -
Conoco Phillips Alpine Oilfield 208 124 -
Cruz Water Tanker #15-286 206 3 -
Cruz Water Tanker #15-284 206 3 -
Cruz Potable Water Haul Truck 200 15 -
Afc Potable Truck #25-629 200 14 -
Nes Water Truck 12-451 200 5 -
Qiruk Camp - Pt Op Center 200 13 -
Ptu Roll on/Off, Raw/Potable Haul 200 4 -
Worley Truck #85066 150 4 -

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

Drinking Water Guides

Frequently Asked Questions

How many water violations are in North Slope Borough County? ▼
North Slope Borough County has 5,005 total drinking water violations across 78 water systems, of which 336 are health-based violations. 92.3% of systems have at least one violation.
How many people get water from North Slope Borough County systems? ▼
Water systems in North Slope Borough County serve approximately 28,722 people through 78 public water systems.
Has PFAS been detected in North Slope Borough County water? ▼
Of 1 water systems tested for PFAS in North Slope Borough County, 1 had PFAS detected (100.0% detection rate).
What types of water sources supply North Slope Borough County? ▼
Water systems in North Slope Borough County use SW (47 systems), GW (3 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. 6.7% of North Slope 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.