Aleutians East 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 Aleutians East Borough in Alaska · Population: 3,423
TRI sites such as Trident Seafoods Corp Akutan Shore Plant; Trident Seafoods - Sandpoint; SDWIS systems such as SAND POINT WATER SYSTEM; FALSE PASS TREATMENT PLANT; COLD BAY anchor Aleutians East Borough, AK's EPA extract. Derived burden score 32/100 (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 Aleutians East Borough include SAND POINT WATER SYSTEM; FALSE PASS TREATMENT PLANT; AKUTAN, while Trident Seafoods Corp Akutan Shore Plant leads reported TRI pounds among local Form R filers. AQS median AQI 13 / peak 53 in 2024.
Burden score 32/100 (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 Aleutians East 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 Aleutians East Borough, AK: EPA TRI 2023 reporting year
Same facilities, both years
-3.7%
2 facilities that filed in 2022 and 2023
Whole inventory
-3.7%
196.3 thousand lb → 189.0 thousand lb, every facility that filed
- Aleutians East Borough, AK's total reported releases fell from 196.3 thousand lb in 2022 to 189.0 thousand lb in 2023, based on EPA TRI filings.
- Aleutians East Borough, AK's air releases fell from 196.3 thousand lb in 2022 to 189.0 thousand lb in 2023, based on EPA TRI filings.
Air Quality History (2020–2024)
EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.
| Year | Good | Moderate | Unhealthy (SG) | Max AQI |
|---|---|---|---|---|
| 2024 | 111 (99%) | 1 | 0 | 53 |
| 2023 | 120 (99%) | 1 | 0 | 55 |
| 2022 | 119 (98%) | 2 | 0 | 74 |
| 2021 | 117 (99%) | 1 | 0 | 51 |
| 2020 | 121 (100%) | 0 | 0 | 41 |
Source: EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)
For real-time air quality readings and pollutant breakdowns in Alaska, see the EPA's AirNow.gov.
Water Systems (5)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| SAND POINT WATER SYSTEM | 830 | 18 |
| FALSE PASS TREATMENT PLANT | 393 | 5 |
| COLD BAY | 182 | 0 |
| AKUTAN | 95 | 2 |
| NELSON LAGOON WATER SYSTEM | 60 | 6 |
TRI Facilities (2)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Trident Seafoods Corp Akutan Shore Plant | 960.6K lbs |
| 2 | Trident Seafoods - Sandpoint | 121.2K lbs |
Cities in Aleutians East Borough (5)
Frequently Asked Questions
What is the environmental risk level in Aleutians East Borough, Alaska? ▼
Are there Superfund sites in Aleutians East Borough? ▼
How many toxic release facilities are in Aleutians East Borough? ▼
What is the air quality in Aleutians East Borough? ▼
Is the drinking water safe in Aleutians East Borough? ▼
What environmental agencies cover Aleutians East 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.