PlainEnviro

Kusilvak Census Area, AK

Low Risk (15/100)

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 Kusilvak Census Area in Alaska · Population: 8,277

Kusilvak Census Area, AK is tracked across three EPA datasets covering 0 Toxics Release Inventory (TRI) facilities, 11 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 11 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.

Population
8,277
TRI Facilities
0
Water Systems
11
Superfund Sites
0
Total Releases
0 lbs

Water Systems (11)

System Population Violations
CITY OF HOOPER BAY 1,200 8
CHEVAK WATER SYSTEM 938 3
MOUNTAIN VILLAGE WATER SYSTEM 850 21
EMMONAK WATER SYSTEM 820 42
SCAMMON BAY WATER SYSTEM 637 34
PILOT STATION WATER SYSTEM 580 5
ALAKANUK WATER SYSTEM 570 14
ST. MARYS WATER SYSTEM 548 16
MARSHALL WATER SYSTEM 308 3
NUNAM IQUA WATER SYSTEM 213 75
PITKA'S POINT PIPED WATER SYSTEM 109 2

Frequently Asked Questions

What is the environmental risk level in Kusilvak Census Area, Alaska? ▼
Kusilvak Census Area, AK has an environmental risk score of 15/100 (Low Risk), based on 0 TRI facilities, 0 Superfund sites, and 11 water systems on record. 11 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Kusilvak Census Area? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Kusilvak Census Area, AK in the EPA database.
How many toxic release facilities are in Kusilvak Census Area? ▼
Kusilvak 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 Kusilvak Census Area? ▼
Air quality monitoring data (EPA AQS) is not available for Kusilvak 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 Kusilvak Census Area? ▼
Kusilvak Census Area, AK has 11 EPA-regulated water systems. 11 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 Kusilvak Census Area? ▼
Environmental compliance in Kusilvak 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 Editorial