Juneau City And 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 Juneau City And Borough in Alaska · Population: 31,969
TRI sites such as Hecla Greens Creek Mining Co; Coeur Alaska Inc Kensington Gold Project; Delta Western LLC Juneau Bulk Facility; SDWIS systems such as CITY AND BOROUGH OF JUNEAU; CHURCHILL PARK anchor Juneau City And Borough, AK's EPA extract. Derived burden score 38/100 (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 Juneau City And Borough include CHURCHILL PARK, while Hecla Greens Creek Mining Co leads reported TRI pounds among local Form R filers. AQS median AQI 24 / peak 84 in 2024.
Burden score 38/100 (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 Juneau City And 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 Juneau City And Borough, AK: EPA TRI 2023 reporting year
Same facilities, both years
+8.8%
3 facilities that filed in 2022 and 2023
Whole inventory
+8.8%
92.3 million lb → 100.4 million lb, every facility that filed
- Juneau City And Borough, AK's total reported releases rose from 92.3 million lb in 2022 to 100.4 million lb in 2023, based on EPA TRI filings.
- Juneau City And Borough, AK's off-site transfers fell from 11.1 thousand lb in 2022 to 311 lb in 2023, based on EPA TRI filings.
- Juneau City And Borough, AK's water releases rose from 435.9 thousand lb in 2022 to 554.2 thousand lb in 2023, based on EPA TRI filings.
- Juneau City And Borough, AK's land releases rose from 91.8 million lb in 2022 to 99.8 million 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 | 304 (85%) | 52 | 0 | 84 |
| 2023 | 314 (86%) | 50 | 0 | 78 |
| 2022 | 291 (85%) | 51 | 0 | 95 |
| 2021 | 315 (88%) | 42 | 0 | 89 |
| 2020 | 320 (89%) | 40 | 1 | 101 |
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 (2)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| CITY AND BOROUGH OF JUNEAU | 38,526 | 0 |
| CHURCHILL PARK | 250 | 2 |
TRI Facilities (4)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Hecla Greens Creek Mining Co | 375.5M lbs |
| 2 | Coeur Alaska Inc Kensington Gold Project | 11.3M lbs |
| 3 | Delta Western LLC Juneau Bulk Facility | 31.6K lbs |
| 4 | Crowley Juneau Bulk Fuel Storage Facility | 11.1K lbs |
Cities in Juneau City And Borough (1)
Frequently Asked Questions
What is the environmental risk level in Juneau City And Borough, Alaska? ▼
Are there Superfund sites in Juneau City And Borough? ▼
How many toxic release facilities are in Juneau City And Borough? ▼
What is the air quality in Juneau City And Borough? ▼
Is the drinking water safe in Juneau City And Borough? ▼
What environmental agencies cover Juneau City And 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.