Public water system · AK2330070
ActiveHilcorp Oliktok/Opp & Nikaitchuq/Noc
At a glance
Hilcorp Oliktok/Opp & Nikaitchuq/Noc (PWSID AK2330070) is an active non-transient non-community water system in North Slope Borough County, Alaska. It reports serving 220 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
220
Service connections
5
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Hilcorp Oliktok/Opp & Nikaitchuq/Noc compare with other water systems in North Slope Borough County?
By EPA's size categories, Hilcorp Oliktok/Opp & Nikaitchuq/Noc is a very small system (500 people or fewer). North Slope Borough County has 79 active public water systems. Its population served is about 42% below the county average of 383 people per system, and accounts for 0.7% 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 Hilcorp Oliktok/Opp & Nikaitchuq/Noc is about half of 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. 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 Hilcorp Oliktok/Opp & Nikaitchuq/Noc?
EPA lists Hilcorp Oliktok/Opp & Nikaitchuq/Noc as privately 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. 69 of the 79 active systems in North Slope Borough County (87%) are also privately owned.
Does Hilcorp Oliktok/Opp & Nikaitchuq/Noc have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2021. The violations listed here began between April 2021 and April 2021. By type: 12 monitoring and reporting. The contaminants or rules involved are Ethylbenzene, trans-1,2-Dichloroethylene, Benzene and 1,1,2-Trichloroethane. 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 |
|---|---|---|---|---|
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | 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.
Hilcorp Oliktok/Opp & Nikaitchuq/Noc: frequently asked questions
Who runs Hilcorp Oliktok/Opp & Nikaitchuq/Noc?
Hilcorp Oliktok/Opp & Nikaitchuq/Noc (PWSID AK2330070) is a non-transient non-community water system privately owned. It is regulated by the AK state drinking water program.
How many people does Hilcorp Oliktok/Opp & Nikaitchuq/Noc serve?
Hilcorp Oliktok/Opp & Nikaitchuq/Noc reports serving 220 people through 5 service connections in North Slope Borough County, Alaska.
Where does Hilcorp Oliktok/Opp & Nikaitchuq/Noc 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 Hilcorp Oliktok/Opp & Nikaitchuq/Noc have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2021. 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 Hilcorp Oliktok/Opp & Nikaitchuq/Noc'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, none is health-based, and the most recent began in April 2021. For current results, consult EPA ECHO, or the AK state drinking water program.
Where can I find Hilcorp Oliktok/Opp & Nikaitchuq/Noc's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hilcorp Oliktok/Opp & Nikaitchuq/Noc 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 |
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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, “Hilcorp Oliktok/Opp & Nikaitchuq/Noc, PWSID AK2330070, Alaska”, https://aquacensus.com/water-systems/alaska/hilcorp-oliktok-opp-nikaitchuq-noc-ak2330070 (data as of October 1, 2026).