8007 - Spey at Invertruim

Grid Reference:27 (NN) 687 962
Operator:SEPA
Catchment Area:400.4 km2
Level of Station:242.5 mOD
Max. Altitude:951.0 mOD
Mean flow:5.95 m3s-1
95% exceedance (Q95):  1.59 m3s-1
10% exceedance (Q10):  10.16 m3s-1
61-90 Av. Ann. Rainfall:  1435 mm

Sample Hydrograph of Gauged Daily Flows

Flow Duration Curve for Gauged Daily Flows

Station Description

Highest station on the Spey. Cableway rated 45m wide section with natural control; frequent rating changes. Flows suspect from winter 1994/95 as inlet pipes broken. Level-only station from 1995 until re-built station opened in May 2000. 200.4 sq.km controlled for HEP by British Aluminium, 86.4 sq.km controlled by Scottish Electric plc (total 72%); diversions and storage influence regime, major reduction in runoff.

Catchment Description

Granite and Moinian metamorphic. Mountain, moorland, pastoral.

Factors Affecting Runoff

River Flow and Catchment Rainfall on the National River Flow Archive

Gauged Daily Flows (gdf):1952 to 2008
Monthly Catchment Rainfall (rnf):1952 to 2008
                                                                     
Datatype1950s1960s1970s1980s1990s2000s
gdf            
rnf          
                                                                     

For many stations monthly peak flows are also archived. When daily flow data are not available monthly mean flows may be held on the National River Flow Archive. See Data Holdings for further information.

NRFA Home Page     Station Summaries     Regional Maps     Data Holdings