Stations are listed from source to mouth as the water flows, traced on the river map (OS Open Rivers) and the Environment Agency’s own links between its gauges. A distance “by river” is along the river, and is shown only where the map traces the path.
Streams and rivers with a gauge whose water joins the Tummel above one of its gauges, from the source down. The river map knows where gauges are, not every stream, so a tributary without a gauge is not listed here.
4 storm overflows are traced upstream of Pitlochry, the Tummel’s lowest gauge on the river map: on the Tummel itself, on its gauged tributaries, and on smaller streams that join above there.
0 report discharging now
3 not discharging
1 offline or silent: 1 monitor offline, 0 status unknown, 0 no live feed
Official figures for 2025, for the overflows traced upstream of Pitlochry: 20 overflow events over 35 hours in total, across the 2 that have a figure. 2 have no 2025 figure. Scottish Water counts overflow events, not the 12/24-hour spills counted in England and Wales, so this total cannot be set beside theirs.
Each overflow is listed in the stretch above the first gauge its water reaches, from the source down, as on the Gauges tab. A stretch of the Tummel includes the smaller streams that join it there.
Above Pitlochry, the Tummel’s highest gauge3 overflows
Kinloch Rannoch (Dunalastair) Se CSOMonitor offline Scottish Water · into River Tummel · 33.3 km by river above Pitlochry · 2025: 20 overflow events, 35 h
Pitlochry WwTW CSONot discharging Scottish Water · into River Tummel · 230 m by river above Pitlochry · no official annual figure
Pitlochry WwTW EONot discharging Scottish Water · into River Tummel · 230 m by river above Pitlochry · no official annual figure
Garry (Tayside), above Killiecrankiejoins the Tummel above Pitlochry1 overflow
Blair Atholl WwTW SssoNot discharging Scottish Water · into River Garry · 2.4 km by river above Killiecrankie · 2025: 0 overflow events, 0 h
Near these gauges, connection not known
Within 3 km of one of the Tummel’s gauges in a straight line, but the river map cannot say whether their water reaches it.
Pitlochry, Ferry Crescent SPS EONot discharging Scottish Water · into Loch Faskally · 1.4 km from Pitlochry in a straight line · discharges to a loch, lake or reservoir · 2025: 0 overflow events, 0 h
1 other overflow within 3 km of these gauges is placed below the Tummel’s lowest gauge or on another river, so not listed.