Oshawa MHA is a member of the Lakeshore and ETA hockey leagues. The rates published in the 2023-24 Ontario Minor Hockey Association rates (Manual of Operations) are as follows.
| Two Official System |
10/10/10 |
10/10/15 |
10/15/15 |
15/15/15 |
| U9 & below |
27 |
29 |
31 |
33 |
| U10 & U11 |
28 |
30 |
32 |
34 |
| U12 & U13 |
31 |
33 |
35 |
38 |
| U14 & U15 |
32 |
34 |
36 |
38 |
| U16 & U18 |
33 |
35 |
37 |
39 |
| Three Official System |
10/10/10 |
10/10/15 |
10/15/15 |
15/15/15 |
15/15/20 |
| Peewee & below |
|
|
|
|
|
| Referee |
35 |
37 |
39 |
41 |
43 |
| Linesman |
29 |
31 |
33 |
35 |
37 |
| Bantam & Midget |
|
|
|
|
|
Referee
|
39 |
41 |
43 |
45 |
47 |
| Linesman |
31 |
33 |
35 |
37 |
39 |
| Four Official System |
15/15/15
|
15/15/20 |
15/20/20 |
20/20/20 |
| Bantam AAA and All Midget teams Only |
|
|
|
|
| Referee |
45 |
47 |
49 |
51 |
| Linesman |
37 |
39 |
41 |
43 |
| |
|
|
|
|