Ketchikan Gateway Borough, AK
A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology.
Environmental data for Ketchikan Gateway Borough in Alaska · Population: 13,870
Ketchikan Gateway Borough, AK is tracked across three EPA datasets covering 3 Toxics Release Inventory (TRI) facilities, 3 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 27/100 (Low Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.
Industrial disclosures inside the county total 32.2K lbs of reported toxic releases under EPCRA Section 313, while 3 water systems carry an active health-based violation in the SDWIS record. No EPA Air Quality System monitors currently report data for this county.
All figures below draw directly from federal EPA records, TRI self-reported emissions, SDWIS compliance history, NPL Hazard Ranking System scores, and AQS daily AQI summaries, and are not adjusted, weighted, or forecast. A past violation or elevated score does not itself indicate current unsafe conditions; it documents the regulatory and disclosure history publicly filed with the U.S. Environmental Protection Agency through the most recent reporting cycle.
Water Systems (3)
| System | Population | Violations |
|---|---|---|
| KETCHIKAN PUBLIC UTILITIES | 8,937 | 8 |
| SOUTH TONGASS WATER UTILITY | 975 | 14 |
| SAXMAN | 450 | 56 |
TRI Facilities (3)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Vigor Alaska | 24.2K lbs |
| 2 | Crowley Ketchikan Bulk Fuel Storage Facility | 7.6K lbs |
| 3 | U.S. Coast Guard Base Ketchikan | 333 lbs |
Cities in Ketchikan Gateway Borough (1)
Frequently Asked Questions
What is the environmental risk level in Ketchikan Gateway Borough, Alaska? ▼
Are there Superfund sites in Ketchikan Gateway Borough? ▼
How many toxic release facilities are in Ketchikan Gateway Borough? ▼
What is the air quality in Ketchikan Gateway Borough? ▼
Is the drinking water safe in Ketchikan Gateway Borough? ▼
What environmental agencies cover Ketchikan Gateway 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.