Methane Leaks
Coal · Undetermined

Methane emitter USA_S_503

Venting shaft in United States. Satellites have detected 6 methane plumes here since 20 Oct 2024, most recently on 3 Jun 2026.

6
Plumes
3
Plumes, last 12 months
1,680 kg/h
Largest detected rate
630 kg/h
Typical (median) rate
Satellite map of methane plume locations in USA_S_503
Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →
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Who likely operates it

We don't have enough evidence to name an operator for this site yet. If you know who runs it, tell us below.

What do confidence levels mean?

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Response so far

Source type
Venting shaft
UNEP notified
Not applicable
Operator responded to UNEP
Not applicable
First seen
20 Oct 2024
Last seen
3 Jun 2026
Coordinates
39.83666, -80.27286 · Open in Google Maps (satellite)

Plume history

3 Jun 2026: 1,680 kg/h30 May 2026: 943 kg/h26 Oct 2025: 271 kg/h26 May 2025: 626 kg/h14 Mar 2025: 634 kg/h20 Oct 2024: 549 kg/h 20 Oct 2024 3 Jun 2026 1,680 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
3 Jun 2026Coal 1,680 kg/h Not yet attributed View
30 May 2026Coal 943 kg/h Not yet attributed View
26 Oct 2025Coal 271 kg/h Not yet attributed View
26 May 2025Coal 626 kg/h Not yet attributed View
14 Mar 2025Coal 634 kg/h Not yet attributed View
20 Oct 2024Coal 549 kg/h Not yet attributed View

Authorities you can notify

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