Methane Leaks
Coal · Undetermined

Methane emitter USA_S_446

Venting shaft in United States. Satellites have detected 7 methane plumes here since 26 Mar 2023, most recently on 15 Apr 2025.

7
Plumes
2
Plumes, last 12 months
2,520 kg/h
Largest detected rate
2,099 kg/h
Typical (median) rate
Satellite map of methane plume locations in USA_S_446
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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
26 Mar 2023
Last seen
15 Apr 2025
Coordinates
33.42134, -87.23987 · Open in Google Maps (satellite)

Plume history

15 Apr 2025: 2,099 kg/h2 Dec 2024: 1,764 kg/h23 Mar 2024: 2,520 kg/h2 Feb 2024: 2,109 kg/h29 Jan 2024: 2,367 kg/h27 Oct 2023: 1,239 kg/h26 Mar 2023: 501 kg/h 26 Mar 2023 15 Apr 2025 2,520 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
15 Apr 2025Coal 2,099 kg/h Not yet attributed View
2 Dec 2024Coal 1,764 kg/h Not yet attributed View
23 Mar 2024Coal 2,520 kg/h Not yet attributed View
2 Feb 2024Coal 2,109 kg/h Not yet attributed View
29 Jan 2024Coal 2,367 kg/h Not yet attributed View
27 Oct 2023Coal 1,239 kg/h Not yet attributed View
26 Mar 2023Coal 501 kg/h Not yet attributed View

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