Google is not your friend.
http://www.env.gov.bc.ca/fw/fish/regulations/docs/1315/fishing_synopsis_2013-15_region2.pdfPage 2:
TIDAL BOUNDARIES ON RIVERS
IN REGION 2
Note: Provincial freshwater regulations apply above these boundaries and Federal tidal regulations apply below these boundaries:
Brunette R.: Burlington Northern Railway Bridge
Campbell R.: Burlington Northern Railway Bridge
Capilano R.: CN Railway Bridge
Coquitlam R.: Mary Hill Bypass Bridge
Fraser R.: CPR Bridge at Mission
Kanaka Cr.: CPR Bridge
Nathan Cr.: CN Railway Bridge
Nicomekl R.: Burlington Northern Railway Bridge
Pitt R.: CPR Bridge
Serpentine R.: Burlington Northern Railway BridgeSeymour R.: CN Railway Bridge
Squamish R.: a line running true west from the tip of the Squamish Dyke (“Windsurfer Spit”)
Stave R.: CPR Bridge
West Cr.: CN Railway Bridge
Whonnock Cr.: CP rail line
York Cr.: CP rail line