Public water system · AK2350235

Active

Nsbu - Anaktuvuk Pass

At a glance

Nsbu - Anaktuvuk Pass (PWSID AK2350235) is an active community water system in North Slope Borough County, Alaska. It reports serving 350 people through 105 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2019.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

350

Service connections

105

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDAK2350235

System typeCommunity water system

Activity statusActive

Population served350

Service connections105

Primary water sourceGroundwater

Owner typeNative American

Primacy agencyAK state drinking water program

City servedAnaktuvuk Pass

StateAlaska

ZIP—

CountyNorth Slope Borough County

How does Nsbu - Anaktuvuk Pass compare with other water systems in North Slope Borough County?

By EPA's size categories, Nsbu - Anaktuvuk Pass is a very small system (500 people or fewer). North Slope Borough County has 79 active public water systems. Its population served is roughly in line with the county average of 383 people per system, and accounts for 1.2% 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 community water system reports serving 6,703 people, so Nsbu - Anaktuvuk Pass is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Alaska has 406 active community water systems, 31% of the state's 1,322 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,054 Alaska systems (80%) list groundwater as their primary source.

Who owns and regulates Nsbu - Anaktuvuk Pass?

EPA lists Nsbu - Anaktuvuk Pass as Native American-owned. 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. 8 of the 79 active systems in North Slope Borough County (10%) are also Native American-owned.

Does Nsbu - Anaktuvuk Pass have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2019. The violations listed here began between July 2004 and July 2019. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Chlorine (6 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
2019-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2017-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2014-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2009-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2007-09-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2007-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2007-07-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2006-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2005-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2004-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2004-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2004-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	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.

Nsbu - Anaktuvuk Pass: frequently asked questions

Who runs Nsbu - Anaktuvuk Pass?

Nsbu - Anaktuvuk Pass (PWSID AK2350235) is a community water system Native American-owned. It is regulated by the AK state drinking water program.

How many people does Nsbu - Anaktuvuk Pass serve?

Nsbu - Anaktuvuk Pass reports serving 350 people through 105 service connections in North Slope Borough County, Alaska.

Where does Nsbu - Anaktuvuk Pass get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Nsbu - Anaktuvuk Pass 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 July 2019. 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 Nsbu - Anaktuvuk Pass' 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 July 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the AK state drinking water program.

Where can I find Nsbu - Anaktuvuk Pass' water quality report?

As a community water system, Nsbu - Anaktuvuk Pass must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

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

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, “Nsbu - Anaktuvuk Pass, PWSID AK2350235, Alaska”, https://aquacensus.com/water-systems/alaska/nsbu-anaktuvuk-pass-ak2350235 (data as of October 1, 2026).