| 2016 | May 21 | Sat |
| 2017 | May 20 | Sat |
| 2018 | May 19 | Sat |
| 2019 | May 18 | Sat |
| 2020 | May 16 | Sat |
| 2021 | May 1 | Sat |
National River Cleanup Day is scheduled on various dates in May. In 2024, this was May 18th.
Receive daily notifications of holidays and observances. Never miss out on a fun national day again!
