Public water system · AK2331184
ActiveNorth Slope Borough Sa 10
At a glance
North Slope Borough Sa 10 (PWSID AK2331184) is an active non-transient non-community water system in North Slope Borough County, Alaska. It reports serving 100 people through 1 service connection. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in June 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
1
Primary source
SW
Surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does North Slope Borough Sa 10 compare with other water systems in North Slope Borough County?
By EPA's size categories, North Slope Borough Sa 10 is a very small system (500 people or fewer). North Slope Borough County has 79 active public water systems. Its population served is well below the county average of 383 people per system, and accounts for 0.3% of the 30,227 people reported by systems filed under the county. Across Alaska, the 1,322 active systems average 653 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so North Slope Borough Sa 10 is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Alaska has 227 active non-transient non-community water systems, 17% of the state's 1,322 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 150 Alaska systems (11%) list surface water as their primary source.
Who owns and regulates North Slope Borough Sa 10?
EPA lists North Slope Borough Sa 10 as owned by a local government. The AK state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 79 active systems in North Slope Borough County (2.5%) are also owned by a local government.
Does North Slope Borough Sa 10 have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in June 2023. The violations listed here began between January 2009 and June 2023. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (2 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-06-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2010-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
North Slope Borough Sa 10: frequently asked questions
Who runs North Slope Borough Sa 10?
North Slope Borough Sa 10 (PWSID AK2331184) is a non-transient non-community water system owned by a local government. It is regulated by the AK state drinking water program.
How many people does North Slope Borough Sa 10 serve?
North Slope Borough Sa 10 reports serving 100 people through 1 service connection in North Slope Borough County, Alaska.
Where does North Slope Borough Sa 10 get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does North Slope Borough Sa 10 have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in June 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is North Slope Borough Sa 10's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in June 2023. For current results, consult EPA ECHO, or the AK state drinking water program.
Where can I find North Slope Borough Sa 10's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. North Slope Borough Sa 10 is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in North Slope Borough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Barrow Utilities & Elec. Coop., Inc.. (Bu | North Slope Borough | 4,900 | Community | Surface water |
| Hilcorp Pboc | North Slope Borough | 1,200 | Non-transient non-community | Surface water |
| Conocophillips Kuparuk Operations Center | North Slope Borough | 1,198 | Non-transient non-community | Surface water |
| Nsbu - Point Hope | North Slope Borough | 881 | Community | Surface water |
| Worley Water Truck #30033 | North Slope Borough | 770 | Non-transient non-community | Purchased surface water |
| Worley Water Truck #30031 | North Slope Borough | 770 | Non-transient non-community | Purchased surface water |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “North Slope Borough Sa 10, PWSID AK2331184, Alaska”, https://aquacensus.com/water-systems/alaska/north-slope-borough-sa-10-ak2331184 (data as of October 1, 2026).