| 2025 | Zumwalt Mutual Water Company | 990 | Vice President | 2 | $0 | $0 | View return |
| 2024 | Zumwalt Mutual Water Company | 990 | Vice President | 2 | $0 | $0 | View return |
| 2024 | Colusa Drain Mutual Water Company | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Zumwalt Mutual Water Company | 990 | Vice President | 2 | $0 | $0 | View return |
| 2023 | Colusa Drain Mutual Water Company | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Colusa Drain Mutual Water Company | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Zumwalt Mutual Water Company | 990 | Vice President | 2 | $0 | $0 | View return |
| 2021 | Colusa Drain Mutual Water Company | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Zumwalt Mutual Water Company | 990 | Vice President | 2 | $0 | $0 | View return |
| 2020 | Zumwalt Mutual Water Company | 990 | Vice President | 2 | $0 | $0 | View return |
| 2020 | Colusa Drain Mutual Water Company | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Zumwalt Mutual Water Company | 990 | Vice President | 2 | $0 | $0 | View return |
| 2019 | Colusa Drain Mutual Water Company | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Zumwalt Mutual Water Company | 990 | Vice President | 2 | $0 | $0 | View return |
| 2018 | Colusa Drain Mutual Water Company | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Colusa Drain Mutual Water Company | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Zumwalt Mutual Water Company | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Family Water Alliance | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Zumwalt Mutual Water Company | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Colusa Drain Mutual Water Company | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Family Water Alliance | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Zumwalt Mutual Water Company | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Colusa Drain Mutual Water Company | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Colusa Drain Mutual Water Company | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Zumwalt Mutual Water Company | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Family Water Alliance | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Zumwalt Mutual Water Company | 990 | Director | 2 | $0 | $0 | View return |