Anchorage Municipality, 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 Anchorage Municipality in Alaska · Population: 289,069
TRI sites such as US Dod Usaf Joint Base Elmendorf-Richardson; Tesoro - Anchorage Terminal; Univar Solutions USA; SDWIS systems such as JBER-ELMENDORF; MANOOGS ISLE MOBILE HOME PARK; GLENCAREN COURT; NPL sites such as Elmendorf Air Force Base; Fort Richardson (USARMY); Standard Steel & Metal Salvage Yard (USDOT) anchor Anchorage Municipality, AK's EPA extract. Derived burden score 57/100 (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 Anchorage Municipality include MANOOGS ISLE MOBILE HOME PARK; VALLI VUE S/D WATER SYSTEM; KOTLIK WATER SYSTEM, while US Dod Usaf Joint Base Elmendorf-Richardson leads reported TRI pounds among local Form R filers. AQS median AQI 24 / peak 90 in 2024.
Burden score 57/100 (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 Anchorage Municipality -- 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 Anchorage Municipality, AK: EPA TRI 2023 reporting year
Same facilities, both years
-9.1%
7 facilities that filed in 2022 and 2023
Whole inventory
-9.1%
50.5 thousand lb → 45.9 thousand lb, every facility that filed
- Anchorage Municipality, AK's total reported releases fell from 50.5 thousand lb in 2022 to 45.9 thousand lb in 2023, based on EPA TRI filings.
- Anchorage Municipality, AK's air releases rose from 12.3 thousand lb in 2022 to 14.9 thousand lb in 2023, based on EPA TRI filings.
- Anchorage Municipality, AK's land releases fell from 37.5 thousand lb in 2022 to 30.2 thousand lb in 2023, based on EPA TRI filings.
- Anchorage Municipality, AK's off-site transfers rose from 666 lb in 2022 to 766 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 | 297 (81%) | 69 | 0 | 90 |
| 2023 | 319 (87%) | 46 | 0 | 71 |
| 2022 | 302 (83%) | 62 | 1 | 125 |
| 2021 | 289 (79%) | 74 | 2 | 132 |
| 2020 | 294 (80%) | 72 | 0 | 92 |
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 (51)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| JBER-ELMENDORF | 30,003 | 0 |
| MANOOGS ISLE MOBILE HOME PARK | 935 | 1 |
| GLENCAREN COURT | 828 | 0 |
| RANGEVIEW TC | 795 | 0 |
| VALLI VUE S/D WATER SYSTEM | 794 | 2 |
| MAYFLOWER TC | 650 | 0 |
| KOTLIK WATER SYSTEM | 617 | 40 |
| GOLDEN NUGGET RV PARK, MALASPINA MHP | 600 | 0 |
| GOODNEWS BAY | 250 | 2 |
| UTOPIA MEADOWS SD | 232 | 1 |
| AMBER RIDGE/PARK PLACE APARTMENTS | 210 | 0 |
| SNOWSHOE WATER SYSTEM | 180 | 13 |
| FOREST PARK TC | 175 | 7 |
| HILLSIDE PARK S/D | 144 | 5 |
| GLACIER VALLEY WATER COMPANY | 120 | 0 |
| BIRCHWOOD MHP | 120 | 0 |
| G A PHILLIPS S/D | 102 | 0 |
| BEAVER LK. RESORT 2545/2555 MISSION | 102 | 2 |
| TRAILS END MHP | 100 | 2 |
| TROLL KNOLL S/D | 99 | 0 |
| QUIET VIEW APTS | 96 | 0 |
| TERRACE ON THE LAKE | 96 | 1 |
| SPRING FOREST HOMEOWNERS ASSN. | 94 | 0 |
| NATIVE VILLAGE OF SLEETMUTE | 82 | 57 |
| DEARMOUN II | 80 | 0 |
| TUDOR EAST APARTMENTS | 78 | 1 |
| EAST 98TH AVENUE WELL HOA | 76 | 0 |
| SKY RANCH ESTATES #1 UPPER WELL | 75 | 0 |
| WALTER G PIPPEL SD | 75 | 0 |
| SKY RANCH ESTATES #2 LOWER WELL | 72 | 0 |
| COUNTRY LANE APARTMENTS | 60 | 0 |
| ALYESKA CHALET CONDOS HOA | 60 | 0 |
| ALYESKA CREEKSIDE APARTMENTS | 60 | 3 |
| LAKE O THE HILLS EAST | 56 | 1 |
| NORTH STAR BEHAVIORAL HEALTH SYSTEM | 55 | 0 |
| BEAVER LK RESORT / 2521 OUTSIDE BLVD. | 52 | 2 |
| HOMESTEAD HILLS | 50 | 0 |
| HOMER DRIVE APTS. | 50 | 7 |
| SWISS AIRE S/D | 48 | 0 |
| PETERS CREEK TERRACE APTS. | 48 | 0 |
| PETERS CREEK MANOR APTS | 48 | 0 |
| MOUNTAIN VIEW APARTMENTS | 48 | 1 |
| INLET VIEW MHP CHUGIAK | 47 | 1 |
| EKLUTNA GATE | 45 | 0 |
| COHOE SUBDIVISION | 36 | 2 |
| MATANUSKA HEIGHTS DUCHESS | 36 | 0 |
| MATTHEWS SUBDIVISION | 32 | 0 |
| BOREALIS ALPHA WATER SYSTEM | 30 | 1 |
| AMBER RIDGE BRENTWOOD #1 | 28 | 3 |
| AMBER RIDGE BRENTWOOD #2 | 28 | 4 |
| SNOWCREST VIEW SOUTH | 25 | 3 |
TRI Facilities (8)
| # | Facility | Total Releases |
|---|---|---|
| 1 | US Dod Usaf Joint Base Elmendorf-Richardson | 175.1K lbs |
| 2 | Tesoro - Anchorage Terminal | 24.1K lbs |
| 3 | Univar Solutions USA | 13.4K lbs |
| 4 | Petrostar Inc. - Port of Alaska Terminal | 2.2K lbs |
| 5 | US Ecology Alaska LLC | 1.0K lbs |
| 6 | US Ecology Alaska LLC | 55 lbs |
| 7 | Inlet Energy LLC Anchorage Warehouse | 8 lbs |
| 8 | Delta Western LLC Anchorage Warehouse | 2 lbs |
Superfund Sites (3)
| Site Name | Status | HRS Score |
|---|---|---|
| Elmendorf Air Force Base | NPL Site | 45.91 |
| Fort Richardson (USARMY) | NPL Site | 50.00 |
| Standard Steel & Metal Salvage Yard (USDOT) | Deleted NPL Site | 46.25 |
Cities in Anchorage Municipality (6)
Frequently Asked Questions
What is the environmental risk level in Anchorage Municipality, Alaska? ▼
Are there Superfund sites in Anchorage Municipality? ▼
How many toxic release facilities are in Anchorage Municipality? ▼
What is the air quality in Anchorage Municipality? ▼
Is the drinking water safe in Anchorage Municipality? ▼
What environmental agencies cover Anchorage Municipality? ▼
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.