The Upper Canada Minor Hockey League is governed by the Upper St. Lawrence Minor Hockey League (District 1). District 1 consists of the following Associations:
- Brockville
- Smiths Falls
- Kemptville
- Leeds
- South Dundas
- South Grenville
- North Dundas
- Rideau St. Lawrence Kings (A/AA)
All Associations within District 1, excluding Rideau St. Lawrence Kings play in the Upper Canada Minor Hockey League.
The Upper Canada Minor Hockey League also hosts Rep B teams from District 2 as guests in their League.
Game play is offered at the following levels:
U9 - Tier 2, Tier 3 and Tier 4. There is no body checking at the U9 level.
U11 - B House, C House and Rep B. There is no body checking at the U11 level.
U13 - B House, C House and Rep B. There is no body checking at the U13 level.
U15 - B House, C House and Rep B. *only body checking in Rep B
U18 - B House and Rep B. *only body checking in Rep B
UCMHL Meetings are held the 2nd Monday of each month.
District 1 Meetings are held the 3rd Tuesday of each month.