Changes from the previous version (of May 2000): The changes are mainly to the Southern Oxford and the GUC (Northampton & Leicester arms) plus the Rivers Lee, Stort, Soar, Thames & Wey. I have also been asked by the Dutch Barge Association to include the River Medway, which is now featured.
| WATERWAY GAUGES - METRIC VERSION (Revised 17 Jan 01) | |||||
| Waterway | Length | Width | Draft | Air Draft | Location (Br = Bridge> m = metres < = Greater than) |
| Aire & Calder | 43.28 | 5.39 | 2.29 | 3.73 | |
| Ashby Canal | No Locks | 2.13 | 1.07 | 1.98 | Br 15 (2.26m), Br 17 (2.21m), Snareston Tunnel (1.91m) |
| Avon River (Stratford) | 21.34 | 4.11 | 1.22 | 3.05 | |
| Basingstoke Canal | 22.1 | 4.11 | 0.76* | 2.29 | Airdraft Fleet to Greywell 1.52m. *Draft <1.1m as far as Ash reported |
| Bridgewater Canal (PrestonBrook-Leigh,Castlefield-Waters Meeting) | 21.34 | 4.5 | 1.22 | 2.59 | Preston Brook tunnel reported low |
| Calder & Hebble Navigation | 17.53 | 4.3 | 1.52 | 2.74 | Wakefield to Broadcut Top lock - Length 36.58 Width 5.33, Draft 1.98, AirDraft 3.35 |
| Caldon (Etruria-Hazlehurst Junction) | 21.34 | 2.13 | 1.02 | 1.71 | Br 8,9,15,18,22 reported low & Stockton Brook Locks |
| Chelmer & Blackwater Navigation | 18.29 | 4.88 | 0.61 | 1.83 | |
| Chesterfield | 21.95 | 2.13* | 1.07 | 2.13 | Airdrafts lower than 2.08m reported * Stockwith-Retford 2.84m |
| Coventry | 21.95 | 2.13 | 1.07 | 1.98 | Caution at Br 13. Bridges 56 & 65 reported low - no airdraft given |
| Forth & Clyde Canal (Scotland) | 21.34 | 5.94 | |||
| Fossdike Canal (Torksey-Lincoln) | 22.71 | 4.6 | 1.52 | 2.69 | |
| Grand Canal (Ireland) | 18.29 | 3.96 | |||
| Grand Union Canal (London-Braunston) | 21.95 | 4.27 | 1.07 | 2.29 | Braunston & Blisworth Tunnels 1.98m at edges |
| Grand Union Canal (Braunston-Birmingham) | 21.95 | 3.81* | 1.07 | 2.29* | *Blue Lias br subsidence reported (Width & Height), Leamington br (reported low - no airdraft given) |
| Grand Union Canal (Trent-Foxton) | 21.95 | 2.13 | 1.07 | 2.29 | Br 61 reported low, Br 6 on Mkt Hbrh Arm 2.29m. Caution at Foxton Locks - Lock Gate footboards. *Leicester-Foxton 4.27m, Foxton-Mkt Harborough 3.01m |
| Grand Union Canal (Northampton Branch) | 21.95 | 2.13 | 1.07 | 2.29 | Br 5 (Lift Bridge). Br 13(2.01m), 14(2.13m) reported low |
| Grand Union (Slough Branch) | No locks | 4.27 | 1.07 | 2.29 | Caution: Br 7 |
| Huddersfield Broad Canal | 17.53 | 4.3 | 0.79 | 2.82 | |
| Kennet & Avon Canal | 21.95 | 4.18 | 1.07 | 2.29 | Newbury br reported low. Care needed at Bristol Harbour moveable br |
| Llangollen | 21.34 | 2.08 | 0.61 | 2.29 | Ellesmere & Chirk tunnels + Grindley Brook Lk footboards reported low. Care needed at all locks |
| Leeds & Liverpool Canal (Including Rufford & Leigh Branches) | 18.9 | 4.27 | 1.1 | 2.44 | Gannow & Foulridge tunnels reported low |
| Lee, River | 26.82 | 4.75 | 2.1 | 2.4* | Overall Airdraft 2.4m * 2.1m airdraft on 2 bridges near Hertford |
| Nene, River | 23.77 | 3.96 | 1.22 | 2.13 | Northampton South Br (2.44m) |
| Macclesfield Canal (Marple-Kidsgrove (incl Bosley Locks)) | 21.34 | 2.13 | 0.91 | Airdraft reported in excess of 2.08m | |
| Medway (Allington Lock -Maidstone) | 54.86 | 6.1 | 1.98 | 3.2 | |
| Medway (Maidstone - Tonbridge) | 24.38 | 5.64 | 1.68* | 2.59 | *Draught 1.22m above Hampstead Lock |
| Middle Level: Twenty Foot River | 21.95 | 4.27 | 1.07 | 2.13 | Caution: Whittlesey Bend (sharp, narrow bend), Infields Br reported low |
| Montgomery | 21.95 | 2.13 | 1.07 | 2.29 | |
| Ouse, River Great (St Neots - Earith) | 30.48 | 3.2 | 0.91 | 2.74 | |
| Ouse, River Great (Earith - Denver) | 21.34 | 3.81 | 0.91 | 3.66 | |
| Ouse, River Yorkshire (Trent Falls - Naburn) | 45.72 | 3.66 | 2.59 | ||
| Ouse, River Yorkshire (Naburn-York) | 45.72 | 7.77 | 2.59 | 7.77 | |
| Oxford-South | 21.95 | 2.13 | 1.01 | 2.13* | Br 145, 146, 165, 168, 173, 179, 181, 183, 188, 190, 194, 198, 200 ,213, 214, 215 reported low |
| Oxford -North | 21.95 | 2.13 | 1.07 | 2.13 | Caution at Br 80, 75, 71(2.21m - variable), 66, 50, 43, 14, 4 |
| Upper Peak Forest (Marple-Whaley Bridge & Buxworth) | 21.34 | 2.13 | 0.91 | Airdraft reported in excess of 2.03m. Note: Marple Locks passable with care. | |
| Lower Peak Forest | 21.34 | 2.13 | 0.91 | Hyde Bank & Woodley tunnels plus several bridges reported low | |
| Regents | 23.77 | 4.42 | 1.37 | 2.74 | Islington & Maida Hill Tunnels reported 2.1m |
| Rochdale (Sowerby Bridge-Todmorden) | 22.56 | 4.3 | 1.22 | 2.74 | Care needed at Walkleys Clog Factory Br |
| Selby Canal | 23.93 | 5.03 | 1.83 | 3.05 | |
| Sheffield & South Yorks. Navigation (Keadby - Sheffield) | 18.75 | 4.72 | 1.83 | 3.05 | |
| Shropshire Union Canal (incl Middlewich Branch) | 21.34 | 2.13* | 1 | 2.44 | Care needed with footboards on Tyrley & Audlem locks *Width 4.27m Ellesmere Port-Nantwich (Pinch point 3.35m at Ellesmere Port New Road br) |
| Soar, River | 21.95 | 4.27 | 1.01 | 2.29 | |
| Staffs & Worcs (Great Heywood-Autherley Junct) | 21.95 | 2.13 | 0.91 | 2.29 | Autherley-Stourport awaiting report - believe lock bridges + Cookley & Dunsley tunnels low |
| Stort, River | 26.82 | 4.05 | 1.22 | 2.1* | Roydon & Sawbridgeworth Railway Brs reported low (*less than 2.1m after heavy rainfall) |
| Thames, River | 33.22* | 4.27* | 0.91* | 2.31** | **Osney Br. *Dimensions: Oxford-Lechlade. (Greater on lower reaches) |
| Trent, River | 72.24 | 5.94 | 2.21 | 3.35 | |
| Trent & Mersey Canal | 21.34 | 2.13 | 1.01 | 1.71 | Br 3,5,30,32,50,51,87,114,115,165 + Harecastle,Barnton,Saltersford tunnels reported low. Lock 41 passable Sanny Stn side |
| Witham Navigable Drains | 21.95 | 5.49 | 1.07 | 2.44 | Note: Dimensions quoted are via Antons Gowt Lock. Otherwise Length 18.29m,Width 3.35m |
| Wey River | 22.4 | 4.21 | 0.76* | 1.83 | *Draft reported <1.1m Weybridge - Guildford |