Northwest Arctic Borough, AK
Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against other tracked counties rather than against these fixed caps.
Environmental data for Northwest Arctic Borough in Alaska · Population: 7,611
TRI sites such as Red Dog Operations; Crowley Kotzebue Bulk Fuel Facility; SDWIS systems such as KOTZEBUE MUN. WATER SYSTEM; SELAWIK SAFEWATER FACILITY; NOORVIK WATER SYSTEM anchor Northwest Arctic Borough, AK's EPA extract. Derived burden score 45/100 (Moderate Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.
Health-flagged SDWIS rows in Northwest Arctic Borough include KOTZEBUE MUN. WATER SYSTEM; SELAWIK SAFEWATER FACILITY; NOORVIK WATER SYSTEM, while Red Dog Operations leads reported TRI pounds among local Form R filers. No AQS county monitors report here.
Burden score 45/100 (Moderate Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for Northwest Arctic Borough -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.
Release-over-release change
What changed for Northwest Arctic Borough, AK: EPA TRI 2023 reporting year
Same facilities, both years
+17.1%
2 facilities that filed in 2022 and 2023
Whole inventory
+17.1%
658.7 million lb → 771.3 million lb, every facility that filed
- Northwest Arctic Borough, AK's total reported releases rose from 658.7 million lb in 2022 to 771.3 million lb in 2023, based on EPA TRI filings.
- Northwest Arctic Borough, AK's air releases fell from 107.3 thousand lb in 2022 to 36.8 thousand lb in 2023, based on EPA TRI filings.
- Northwest Arctic Borough, AK's land releases rose from 658.6 million lb in 2022 to 771.3 million lb in 2023, based on EPA TRI filings.
- Northwest Arctic Borough, AK's chemicals reported rose from 19 in 2022 to 20 in 2023, based on EPA TRI filings.
Water Systems (11)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| KOTZEBUE MUN. WATER SYSTEM | 3,234 | 135 |
| SELAWIK SAFEWATER FACILITY | 846 | 72 |
| NOORVIK WATER SYSTEM | 735 | 9 |
| BUCKLAND WATER SYSTEM | 600 | 130 |
| NOATAK COMMUNITY WATER SYSTEM | 485 | 0 |
| KIANA WATER SYSTEM | 455 | 7 |
| KIVALINA WATER SYSTEM | 452 | 106 |
| SHUNGNAK WATER SYSTEM | 299 | 10 |
| AMBLER COMMUNITY WATER SYSTEM | 261 | 5 |
| DEERING UTILITY SYSTEM | 160 | 127 |
| KOBUK WATER SYSTEM | 93 | 54 |
TRI Facilities (2)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Red Dog Operations | 3.34B lbs |
| 2 | Crowley Kotzebue Bulk Fuel Facility | 2.8K lbs |
Cities in Northwest Arctic Borough (11)
Frequently Asked Questions
What is the environmental risk level in Northwest Arctic Borough, Alaska? ▼
Are there Superfund sites in Northwest Arctic Borough? ▼
How many toxic release facilities are in Northwest Arctic Borough? ▼
What is the air quality in Northwest Arctic Borough? ▼
Is the drinking water safe in Northwest Arctic Borough? ▼
What environmental agencies cover Northwest Arctic Borough? ▼
What does this county environmental profile show?
This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.
Read our methodology - how this data is sourced, computed, and verified.