| A.K. Warren Water Resource Facility Director Tour | 11/20/2024 11:00 AM - 1:30 PM | Not Included | Not Included | Not Included |
| Agoura (Unincorporated) HHW Collection Event | 06/13/2021 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Alhambra HHW Collection Event | 08/21/2021 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Alhambra HHW Collection Event | 08/29/2020 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Altadena (Unincorporated) HHW Collection Event | 05/22/2021 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Arcadia HHW Collection Event | 08/15/2020 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Arcadia HHW Collection Event | 08/07/2021 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Artesia HHW Collection Event | 09/19/2020 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Artesia HHW Collection Event | 09/18/2021 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Azusa HHW Collection Event | 04/24/2021 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Baldwin Park HHW Collection Event | 08/22/2020 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Bell Gardens HHW Collection Event - Cancelled | 01/23/2021 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Bellflower HHW Collection Event | 11/07/2020 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Beverly Hills HHW Collection Event | 09/26/2020 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Bixby Marshland Open House | 03/01/2025 8:00 AM - 12:00 PM | Not Included | Not Included | Not Included |
| Bixby Marshland Open House | 03/07/2026 8:00 AM - 12:00 PM | Not Included | Not Included | Not Included |
| Bixby Marshland Open House | 05/02/2026 8:00 AM - 12:00 PM | Not Included | Not Included | Not Included |
| Bixby Marshland Open House | 06/06/2026 8:00 AM - 12:00 PM | Not Included | Not Included | Not Included |
| Board Meeting: District No. 27 & Newhall Ranch Sanitation District | 12/07/2021 9:30 AM - 10:30 AM | Not Included | Not Included | Not Included |
| Burbank HHW Collection Event | 09/05/2020 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Burbank HHW Collection Event | 09/04/2021 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Carson HHW Collection Event | 10/17/2020 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| City of Bell HHW Collection Event | 01/11/2020 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| City of El Segundo HHW Collection Event | 11/09/2019 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| City of Huntington Park HHW Collection Event | 10/19/2019 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| City of Monterey Park HHW Collection Event | 11/16/2019 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| City of Sierra Madre HHW Collection Event | 08/17/2019 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Claremont HHW Collection Event - Cancelled | 02/06/2021 9:00 AM - 3:00 PM | Not Included | Not Included | Not Included |
| Clean N Green Fest | 08/01/2026 10:00 AM - 2:00 PM | Not Included | Not Included | Not Included |
| Clean Water Works Education Foundation Meeting | 05/13/2026 2:00 PM | Not Included | Not Included | Not Included |