Derwent Reservoir 
Bedburn Beck, Bedburn Burn Valley Beck, Hartlepool Valley Drive Burn Valley Beck, Hartlepool Burn Valley Gardens Cowbridge Beck, Billingham Pennington Close 
Crook Beck, Crook West Bridge Street Hartburn Beck, Stockton Hartburn Bridge Harwood Beck, Harwood Killhope Burn, Wearhead 
Lustrum Beck, Stockton Primrose Hill Oakley Cross Beck, Oakley Cross Beck River Browney, Burn Hall River Derwent, Blackhall Mill River Gaunless, South Church River Gaunless, Dovecote Hill River Gaunless, Spring Gardens Dam River Gaunless, West Auckland River Gaunless, Ramshaw Mill River Gaunless, Copley River Gaunless, Lowlands River Greta, Rutherford Bridge River Skerne, Bradbury River Skerne, Preston-Le-Skerne River Skerne, John St Darlington River Skerne, South Park River Team, Tanfield River Tees, Middleton River Tees, Barnard Castle River Tees, Broken Scar River Tees, Yarm River Tees, Croft River Wear, Chester-Le-Street River Wear, Durham New Elvet Bridge River Wear, Stanhope River Wear, Sunderland Bridge River Wear, Witton Park Rookhope Burn, Eastgate Smallhope Burn, Lanchester Front Street West Beck, Darlington Faverdale