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Discharge and water level at Ossjøen

15.79.0 · Hol, Buskerud

Discharge
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Water level
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Live data
From NVE HydAPI
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Discharge and water level
Hourly resolution
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For anglers and paddlers
and everyone following river conditions
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Yr data
Weather from met.no
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Current conditions

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Water level –
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Measurement history

Last 24 hours

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Station details
TypePrivat, pålagt
OwnerStatkraft Sf Region Øst-Norge
Elevation above sea level951 m
River systemNumedalslågen
Catchment area1178.1 km²
Regulationregulert m/magasin og uregulert restfelt
Coordinates60.3821°N, 8.2639°E
Active since13 October 1997
Latest data (NVE)26 October 2026
Historical records
Highest water level2.94 m28 May 2024
Highest discharge384.44 m³/s28 May 2024
Aquatic environment
Water bodyNumedalslågen, Bommestad
Ecological statusPoor
Chemical statusFailing to achieve good
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🎣 Fishing
Fish speciesbrown trout, Arctic char, minnow
☁️ Yr forecast
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Did you know …
  • The station is located on Numedalslågen.
  • The station's catchment covers 1,178 km² and reaches 1,537 metres above sea level at its highest point.
  • The catchment is 75% mountain terrain. Snowmelt in spring is a major driver of the discharge here.
  • The mean discharge here is 215.87 m³/s, based on 43 years of measurements.
  • The ecological status of the water body is classified as Poor: significantly affected and in need of measures.
  • Brown trout, Arctic char, minnow have been recorded in this inland river system within about 5 km of the gauging station, based on Artskart data from Artsdatabanken.
  • The mountain Skomakarnuten rises near the station.
What does Vannkart.no show?
Vannkart.no displays measurements from NVE’s national gauging network. Data comes from NVE HydAPI with historical percentiles (p25/p50/p75), showing how levels compare with the seasonal norm.
How to use the measurements
These data can help plan fishing, paddling and outdoor activities. When flooding is possible, always follow official warnings from varsom.no. Measurements may be delayed and should never be the sole basis for critical decisions.
Data sources: Hydrology: NVE HydAPI. Weather: Yr / met.no. Data may be delayed. Vannkart.no is not affiliated with NVE or the Norwegian Meteorological Institute.