Prince of Wales-Hyder Census Area, 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 Prince of Wales-Hyder Census Area in Alaska · Population: 5,730
Prince of Wales-Hyder Census Area, AK is tracked across three EPA datasets covering 0 Toxics Release Inventory (TRI) facilities, 8 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 15/100 (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 0 lbs of reported toxic releases under EPCRA Section 313, while 8 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 (8)
| System | Population | Violations |
|---|---|---|
| METLAKATLA | 1,575 | 61 |
| CRAIG PUBLIC WORKS | 1,475 | 12 |
| KLAWOCK | 904 | 64 |
| THORNE BAY, CITY OF | 470 | 106 |
| HYDABURG | 415 | 75 |
| KAKE MUNICIPAL WATER | 415 | 128 |
| COFFMAN COVE | 199 | 28 |
| PORT ALEXANDER PWS | 95 | 15 |
Frequently Asked Questions
What is the environmental risk level in Prince of Wales-Hyder Census Area, Alaska? ▼
Are there Superfund sites in Prince of Wales-Hyder Census Area? ▼
How many toxic release facilities are in Prince of Wales-Hyder Census Area? ▼
What is the air quality in Prince of Wales-Hyder Census Area? ▼
Is the drinking water safe in Prince of Wales-Hyder Census Area? ▼
What environmental agencies cover Prince of Wales-Hyder Census Area? ▼
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.