The City of La Prairie has established outdoor watering regulations, from May 1 to September 15
Mechanical Lawn Watering
| Civil House Number | Calendar Days | Schedule |
| Even | Even | 20 h to 00 h |
| Odd | Odd | 20 h to 00 h |
Automatic watering
| Civil House Number | Calendar Days | Schedule |
| Even | Even | 00 h to 05 h |
| Odd | Odd | 00 h to 05 h |
It should be noted that it is required to register the installation of the automatic system once in the city’s Urban Planning Service.
Irrigation of new lawns
Allowed between 20:00 h. and 00:00 h. for 14 consecutive days from May 1 to September 15.
A free permit from the Urban Planning Service is required.
Vehicle and building washing
Allowed every day of the week, between 9:00 h and 19:00 h.
It is recommended to use a self-closing hose and only the amount of water necessary.
Prohibitions
Washing driveways, sidewalks, hallways or similar areas is not permitted.