Hancock, WV
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 Hancock in West Virginia · Population: 28,658
TRI sites such as Cleveland-Cliffs Weirton LLC; Ergon West Virginia Inc; Pennzoil-Quaker State (dba Sopus Products); SDWIS systems such as WEIRTON AREA WATER BOARD; CHESTER WATER DEPT.; OAKLAND PSD anchor Hancock, WV's EPA extract. Derived burden score 39/100 (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 Hancock include WEIRTON AREA WATER BOARD; CHESTER WATER DEPT.; OAKLAND PSD, while Cleveland-Cliffs Weirton LLC leads reported TRI pounds among local Form R filers. AQS median AQI 41 / peak 97 in 2024.
Burden score 39/100 (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 Hancock -- 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 Hancock, WV: EPA TRI 2023 reporting year
Same facilities, both years
+2.8%
3 facilities that filed in 2022 and 2023
Whole inventory
+2.8%
111.4 thousand lb → 114.5 thousand lb, every facility that filed
- Hancock, WV's total reported releases rose from 111.4 thousand lb in 2022 to 114.5 thousand lb in 2023, based on EPA TRI filings.
- Hancock, WV's water releases rose from 6.3 thousand lb in 2022 to 36.5 thousand lb in 2023, based on EPA TRI filings.
- Hancock, WV's land releases fell from 15.4 thousand lb in 2022 to 159 lb in 2023, based on EPA TRI filings.
- Hancock, WV's off-site transfers fell from 53.4 thousand lb in 2022 to 44.0 thousand 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 | 262 (72%) | 102 | 0 | 97 |
| 2023 | 287 (79%) | 71 | 5 | 181 |
| 2022 | 317 (87%) | 48 | 0 | 100 |
| 2021 | 286 (79%) | 78 | 0 | 93 |
| 2020 | 262 (85%) | 44 | 1 | 133 |
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 West Virginia, see the EPA's AirNow.gov.
Water Systems (5)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| WEIRTON AREA WATER BOARD | 18,633 | 7 |
| CHESTER WATER DEPT. | 3,220 | 5 |
| OAKLAND PSD | 1,659 | 2 |
| NEW CUMBERLAND, CITY OF | 1,326 | 8 |
| OAKLAND PSD GOLDEN KEY ACRES | 506 | 3 |
TRI Facilities (4)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Cleveland-Cliffs Weirton LLC | 464.0K lbs |
| 2 | Ergon West Virginia Inc | 224.5K lbs |
| 3 | Pennzoil-Quaker State (dba Sopus Products) | 3.0K lbs |
| 4 | Homer Laughlin China Co | 2.9K lbs |
Cities in Hancock (3)
Frequently Asked Questions
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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.