Kodiak Island 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.
Environmental data for Kodiak Island Borough in Alaska · Population: 12,878
TRI sites such as US Coast Guard Base Kodiak; Petro Star Inc DBA North Pacific Fuel - Kodiak; SDWIS systems such as KODIAK WATER SYSTEM; LARSEN BAY WATER SYSTEM; OLD HARBOR anchor Kodiak Island Borough, AK's EPA extract. Derived burden score 29/100 (Low 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 Kodiak Island Borough include LARSEN BAY WATER SYSTEM; OLD HARBOR; PORT LIONS, while US Coast Guard Base Kodiak leads reported TRI pounds among local Form R filers. No AQS county monitors report here.
Burden score 29/100 (Low 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 Kodiak Island 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 Kodiak Island Borough, AK: EPA TRI 2023 reporting year
Same facilities, both years
+2223.3%
2 facilities that filed in 2022 and 2023
Whole inventory
+2223.3%
5 lb → 122 lb, every facility that filed
- Kodiak Island Borough, AK's total reported releases rose from 5 lb in 2022 to 122 lb in 2023, based on EPA TRI filings.
- Kodiak Island Borough, AK's air releases rose from 2 lb in 2022 to 73 lb in 2023, based on EPA TRI filings.
- Kodiak Island Borough, AK's off-site transfers rose from 1 lb in 2022 to 43 lb in 2023, based on EPA TRI filings.
Water Systems (7)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| KODIAK WATER SYSTEM | 9,547 | 0 |
| LARSEN BAY WATER SYSTEM | 271 | 2 |
| OLD HARBOR | 246 | 55 |
| PORT LIONS | 175 | 31 |
| OUZINKIE WATER SYSTEM | 144 | 6 |
| AKHIOK | 90 | 2 |
| KARLUK WATER SYSTEM | 60 | 2 |
TRI Facilities (2)
| # | Facility | Total Releases |
|---|---|---|
| 1 | US Coast Guard Base Kodiak | 3.5K lbs |
| 2 | Petro Star Inc DBA North Pacific Fuel - Kodiak | 1 lbs |
Cities in Kodiak Island Borough (7)
Frequently Asked Questions
What is the environmental risk level in Kodiak Island Borough, Alaska? ▼
Are there Superfund sites in Kodiak Island Borough? ▼
How many toxic release facilities are in Kodiak Island Borough? ▼
What is the air quality in Kodiak Island Borough? ▼
Is the drinking water safe in Kodiak Island Borough? ▼
What environmental agencies cover Kodiak Island 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.