15017 - Braan at Ballinloan
| Grid Reference: | 27 (NN) 979 406 | 
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| Operator: | SEPA |
| Catchment Area: | 197.0 km2 |
| Level of Station: | 152.3 mOD |
| Max. Altitude: | 865.0 mOD |
| Mean flow: | 6.13 m3s-1 |
| 95%
exceedance (Q95): | 0.394 m3s-1
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| 10% exceedance (Q10): | 14.99 m3s-1 |
| 61-90 Av. Ann.
Rainfall: | 1347 mm |
Sample
Hydrograph of Gauged Daily Flows
Flow Duration Curve for Gauged Daily Flows
Station Description
Velocity-Area station. Responsive regime. Superseded by d/s 15023 (area
difference 13 km2).Catchment Description
Mostly upland catchment with impermeable bedrock, and some superficial
deposits of mixed permeability. Land use: heath, forest, grasslands.
River Flow and Catchment Rainfall on the National River
Flow Archive
| Gauged Daily Flows (gdf): |
1975 to 1980 |
| Monthly Catchment Rainfall (rnf): | 1975 to 2008 |
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| Datatype | 1970s | 1980s | 1990s | 2000s |
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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