Oldman River - Water Body Classification and Restricted Activity Periods

Oldman River is mapped as Class A and Class B and Class C in the Alberta Code of Practice water body classification maps across the Lethbridge, Medicine Hat, Pincher Creek management areas. 10 classified segments are on record. The Restricted Activity Period (RAP) is the window in which in-water work at a crossing is restricted. Source map vintages: 2006, 2012.

Class	Restricted Activity Period	Management area	Fish species
Class A - Grand Forks	See applicable Code of Practice	Lethbridge	Walleye, Lake sturgeon, Sauger
Class A - Confluence of St. Mary and Oldman Rivers	See applicable Code of Practice	Lethbridge	Walleye, Northern pike, Sauger
Class A - Confluence of Belly and Oldman Rivers	See applicable Code of Practice	Lethbridge	Rainbow trout, Brown trout
Class A - Confluence of Little Bow and Oldman Rivers	See applicable Code of Practice	Lethbridge	Walleye, Northern pike, Sauger
Class A - Grand Forks	See applicable Code of Practice	Medicine Hat	Walleye, Lake sturgeon, Sauger
Class A - Confluence of Belly and Oldman Rivers	See applicable Code of Practice	Pincher Creek	Rainbow trout, Brown trout
Class B	Sep 1 to Aug 15	Pincher Creek	Not recorded
Class C	Apr 1 to Jul 31	Lethbridge	Not recorded
Class C	Sep 1 to Aug 15	Lethbridge	Not recorded
Class C	Sep 1 to Aug 15	Pincher Creek	Not recorded

This page covers one water body. The full Alberta Code of Practice classification dataset - every named river, creek and lake, with RAP dates - is available as a free download on the CoP water body classifications dataset page, and every classified water body is listed on the browse page.