All park washrooms are open from March 15 to November 15, weather permitting. Please view the below for seasonal hours of operation.
March 15 to Labour Day
| Park | Number of Washrooms | Hours of Operation |
| Mike Weir | 1 | 8 a.m. to 9 p.m. |
| Blackwell | 1 | 8 a.m. to 9 p.m. |
| Tecumseh | 1 | Closed for repairs – temporary facility available |
| Norm Perry | 1 | 8 a.m. to 9 p.m. Open later during programming |
| Errol Russell | 1 | 8 a.m. to 9 p.m. Open later during programming |
| Kenwick on the Lake | 1 | 8 a.m. to 9 p.m. Accessible washroom closed for repairs |
| Canatara | 5 | Rotary: 8 a.m. to 9 p.m. Animal Farm: 8 a.m. to 9 p.m. Beach Building: 8 a.m. to 9 p.m. Ball Field Building: 8 a.m. to 9 p.m. Little Beach: 8 a.m. to 9 p.m. |
| Centennial | 1 | Agora: 8 a.m. to 9 p.m. |
| Germain | 2 | Lawn Bowling: 8 a.m. to 9 p.m. Chaytor: 8 a.m. to 9 p.m. |
| Clearwater | 1 | 8 a.m. to 9 p.m. |
| Wildwood | 1 | 8 a.m. to 9 p.m. |
Labour Day to November 15
| Park | Number of Washrooms | Hours of Operation |
| Mike Weir | 1 | 8 a.m. to 6 p.m. |
| Blackwell | 1 | 8 a.m. to 6 p.m. |
| Tecumseh | 2 | 8 a.m. to 6 p.m. |
| Norm Perry | 1 | 8 a.m. to 6 p.m. Open later during programming |
| Errol Russell | 1 | 8 a.m. to 6 p.m. Open later during programming |
| Kenwick on the Lake | 1 | 8 a.m. to 6 p.m. |
| Canatara | 5 | Rotary: 8 a.m. to 6 p.m. Animal Farm: 8 a.m. to 6 p.m. Beach Building: 8 a.m. to 6 p.m. Ball Field Building: 8 a.m. to 6 p.m. Little Beach: 8 a.m. to 6 p.m. |
| Centennial | 1 | Agora: 8 a.m. to 6 p.m. |
| Germain | 2 | Lawn Bowling: 8 a.m. to 6 p.m. Chaytor: 8 a.m. to 6 p.m. |
| Clearwater | 1 | 8 a.m. to 6 p.m. |
| Wildwood | 1 | 8 a.m. to 6 p.m. |
November 15 to March 15
| Park | Number of Washrooms | Hours of Operation |
| Canatara | 2 | Rotary: 8:30 a.m. to 3:30 p.m. Animal Farm: 8:30 a.m. to 3:30 p.m. |
| Centennial | 1 | Agora: 8:30 a.m. to 3:30 p.m. |
Refer to the Contact Us page to submit an inquiry or report a safety concern, or email parksandrecreation@sarnia.ca.
The City of Sarnia does not maintain the washrooms located under the Bluewater Bridge in Point Edward. Please call LAWSS at 519-344-7429 for any concerns or questions.