Methane Leaks
Coal · Persistent

Methane emitter USA_S_329

Venting shaft in United States. Satellites have detected 12 methane plumes here since 21 Apr 2023, most recently on 5 Aug 2026.

12
Plumes
6
Plumes, last 12 months
3,504 kg/h
Largest detected rate
1,263 kg/h
Typical (median) rate
Satellite map of methane plume locations in USA_S_329
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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
21 Apr 2023
Last seen
5 Aug 2026
Coordinates
37.09309, -82.37443 · Open in Google Maps (satellite)

Plume history

5 Aug 2026: 1,161 kg/h24 Mar 2026: 1,093 kg/h29 Nov 2025: 1,365 kg/h28 Sep 2025: 1,017 kg/h9 Aug 2025: 1,088 kg/h25 Jun 2025: 3,504 kg/h3 Jun 2025: 2,399 kg/h2 Apr 2025: 965 kg/h18 Apr 2024: 2,296 kg/h21 Apr 2023: 2,111 kg/h 21 Apr 2023 5 Aug 2026 3,504 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
5 Aug 2026Coal 1,161 kg/h Not yet attributed View
10 Jun 2026Coal — Not yet attributed View
24 Mar 2026Coal 1,093 kg/h Not yet attributed View
29 Nov 2025Coal 1,365 kg/h Not yet attributed View
2 Oct 2025Coal — Not yet attributed View
28 Sep 2025Coal 1,017 kg/h Not yet attributed View
9 Aug 2025Coal 1,088 kg/h Not yet attributed View
25 Jun 2025Coal 3,504 kg/h Not yet attributed View
3 Jun 2025Coal 2,399 kg/h Not yet attributed View
2 Apr 2025Coal 965 kg/h Not yet attributed View
18 Apr 2024Coal 2,296 kg/h Not yet attributed View
21 Apr 2023Coal 2,111 kg/h Not yet attributed View

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