Methane plume detected in United States
On 22 Aug 2023, the EMIT - NASA satellite saw methane escaping at about 1,315 kg/h from a waste site or landfill.
Evidence packet
If it continued at this rate for 24 hours it would release about 31.6 tonnes of methane.
- Detected
- 22 Aug 2023 · 19:25 UTC
- Satellite
- EMIT - NASA
- Sector
- Waste / landfill
- Wind
- Plume drifting towards the NE · 0.9 m/s
- Coordinates
- 38.31089, -121.82744
Open in Google Maps (satellite) - UNEP plume ID
784c1e52-87da-4f62-85f5-b7591c7b919d
Likely operator
RECOLOGY INC Strong evidence
Recology Hay Road (landfill) operated by RECOLOGY INC, 0.78 km from plume
Emitting site
USA_S_544 · Landfill
7 plumes detected at this site
Status
UNEP has not recorded a notification for this plume.
Nobody has reported contacting the operator through Methane Leaks yet.
Push for action
Find the operator's contact details and send a ready-made, evidence-based email in about two minutes.
Write to the operator →Authorities you can notify
- U.S. EPA — report an environmental violation — Federal tip line; covers landfills, oil & gas and coal mines.
- California Air Resources Board
Is this attribution wrong?
If you operate this site, or know who does, tell us. Operators get a right of reply, and corrections are reviewed within a week.
Get alerts for USA_S_544
We'll email you when UNEP publishes new plumes here. No account needed. Unsubscribe in one click.
We only use your email to send these alerts.
Cite as: UNEP IMEO MARS plume 784c1e52-87da-4f62-85f5-b7591c7b919d, via Methane Leaks (https://www.methaneleaks.com/plume/784c1e52-87da-4f62-85f5-b7591c7b919d), accessed 6 Oct 2026.