Methane emitter USA_S_544
Landfill in United States. Satellites have detected 7 methane plumes here since 22 Aug 2023, most recently on 2 Aug 2026.
7
Plumes
2
Plumes, last 12 months
3,454 kg/h
Largest detected rate
1,498 kg/h
Typical (median) rate
Embed this map
Paste this into your article or website. It stays up to date automatically.
Who likely operates it
RECOLOGY INC Strong evidence
Recology Hay Road (landfill)
Evidence
- Recology Hay Road (landfill) operated by RECOLOGY INC, 0.78 km from plume ↗
Response so far
- Source type
- Landfill
- UNEP notified
- Not applicable
- Operator responded to UNEP
- Not applicable
- First seen
- 22 Aug 2023
- Last seen
- 2 Aug 2026
- Coordinates
- 38.31089, -121.82744 · Open in Google Maps (satellite)
Plume history
| Detected | Emission rate | Likely operator | |
|---|---|---|---|
| 2 Aug 2026Waste / landfill | 3,017 kg/h | RECOLOGY INC Strong evidence | View |
| 22 May 2026Waste / landfill | 1,029 kg/h | RECOLOGY INC Strong evidence | View |
| 15 Jun 2025Waste / landfill | 1,368 kg/h | RECOLOGY INC Strong evidence | View |
| 3 Aug 2024Waste / landfill | 1,498 kg/h | RECOLOGY INC Strong evidence | View |
| 30 Jan 2024Waste / landfill | 1,521 kg/h | RECOLOGY INC Strong evidence | View |
| 26 Sep 2023Waste / landfill | 3,454 kg/h | RECOLOGY INC Strong evidence | View |
| 22 Aug 2023Waste / landfill | 1,315 kg/h | RECOLOGY INC Strong evidence | View |
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.