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Prince of Wales-Hyder Census Area, AK

Low Risk (15/100)

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 Prince of Wales-Hyder Census Area in Alaska · Population: 5,730

SDWIS systems such as METLAKATLA; CRAIG PUBLIC WORKS; KLAWOCK anchor Prince of Wales-Hyder Census Area, AK's EPA extract. Derived burden score 15/100 (Low Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.

No TRI Form R facilities sit in Prince of Wales-Hyder Census Area in this extract; water coverage still lists METLAKATLA; CRAIG PUBLIC WORKS; KLAWOCK. No AQS county monitors report here.

Burden score 15/100 (Low 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 Prince of Wales-Hyder Census Area -- 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.

County population (Census ACS)
5,730
TRI Facilities
0
Water Systems
8
Superfund Sites
0
Total Releases
0 lbs

Water Systems (8)

System System pop (SDWIS) Violations
METLAKATLA 1,575 61
CRAIG PUBLIC WORKS 1,475 12
KLAWOCK 904 67
THORNE BAY, CITY OF 470 106
HYDABURG 415 77
KAKE MUNICIPAL WATER 415 131
COFFMAN COVE 199 31
PORT ALEXANDER PWS 95 15

Cities in Prince of Wales-Hyder Census Area (8)

Coffman Cove
0 facilities · 1 water
Craig
0 facilities · 1 water
Hydaburg
0 facilities · 1 water
Kake
0 facilities · 1 water
Klawock
0 facilities · 1 water
Metlakatla
0 facilities · 1 water
Port Alexander
0 facilities · 1 water
Thorne Bay
0 facilities · 1 water

Frequently Asked Questions

What is the environmental risk level in Prince of Wales-Hyder Census Area, Alaska? ▼
Prince of Wales-Hyder Census Area, AK has an environmental risk score of 15/100 (Low Risk), based on 0 TRI facilities, 0 Superfund sites, and 8 water systems on record. 8 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Prince of Wales-Hyder Census Area? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Prince of Wales-Hyder Census Area, AK in the EPA database.
How many toxic release facilities are in Prince of Wales-Hyder Census Area? ▼
Prince of Wales-Hyder Census Area, AK has 0 TRI-reporting facilities on record with the EPA Toxic Release Inventory. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Prince of Wales-Hyder Census Area? ▼
Air quality monitoring data (EPA AQS) is not available for Prince of Wales-Hyder Census Area, AK. This may indicate no EPA monitoring stations are located in the county. For regional air quality data, see the state environmental profile or visit EPA's AirNow.gov.
Is the drinking water safe in Prince of Wales-Hyder Census Area? ▼
Prince of Wales-Hyder Census Area, AK has 8 EPA-regulated water systems. 8 systems have reported health-based violations (MCL exceedances). A past violation does not necessarily mean water is currently unsafe. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Prince of Wales-Hyder Census Area? ▼
Environmental compliance in Prince of Wales-Hyder Census Area, Alaska is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Alaska state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

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.

Related Guides

Understanding EPA Data
How EPA collects and publishes environmental data
Environmental Justice
Who lives near polluters and environmental hazards
How to Check Environmental Quality
Step-by-step guide to checking your local environment

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro