Sønstevatn

Hydrological station 15.56.0.

Programmatic access to station metadata (JSON)

Source: NVE HydAPI. Retrieved 2026-09-23T01:25:48Z.

Station and available series

stationId:
15.56.0
stationName:
Sønstevatn
latitude:
60.23264
longitude:
8.58686
utmEast_Z33:
145181
utmNorth_Z33:
6694585
masl:
1031
riverName:
Ølmøsåi
councilNumber:
3338
councilName:
Nore og Uvdal
countyName:
Buskerud
drainageBasinKey:
585
hierarchy:
Ølmøsåi/Uvdalselvi/Numedalslågen
lakeArea:
12.57
lakeName:
Sønstevatn
lakeNo:
17949
regineNo:
015.JBB
reservoirNo:
103
reservoirName:
SØNSTEVATN
stationTypeName:
Privat, pålagt
stationStatusName:
Aktiv
drainageBasinArea:
188.32
drainageBasinAreaNorway:
188.32
gradient1085:
5.45
gradientBasin:
13.85
gradientRiver:
8.82
heightMinimum:
1053
heightHypso10:
1081
heightHypso20:
1140
heightHypso30:
1189
heightHypso40:
1219
heightHypso50:
1247
heightHypso60:
1266
heightHypso70:
1283
heightHypso80:
1301
heightHypso90:
1322
heightMaximum:
1428
lengthKmBasin:
25
lengthKmRiver:
30.84
percentAgricul:
0
percentBog:
4.88
percentEffBog:
not reported by source
percentEffLake:
7.38
percentForest:
0.76
percentGlacier:
0
percentLake:
13.03
percentMountain:
79.34
percentUrban:
0
utmZoneGravi:
33
utmEastGravi:
135619
utmNorthGravi:
6694069
utmZoneInlet:
33
utmEastInlet:
127995
utmNorthInlet:
6699427
utmZoneOutlet:
not reported by source
utmEastOutlet:
not reported by source
utmNorthOutlet:
not reported by source
annualRunoff:
141.12
specificDischarge:
23.75
regulationArea:
188.31
areaReservoirs:
12.57
volumeReservoirs:
220
regulationPartReservoirs:
1.56
transferAreaIn:
120.37
transferAreaOut:
308.68
reservoirAreaIn:
0
reservoirAreaOut:
12.57
reservoirVolumeIn:
0
reservoirVolumeOut:
220
remainingArea:
0.01
numberReservoirs:
1
firstYearRegulation:
1967
catchmentRegTypeName:
Regulert m/magasinregulering og overføringer
owner:
SKAGERAK KRAFT AS
qNumberOfYears:
not reported by source
qStartYear:
not reported by source
qEndYear:
not reported by source
qm:
not reported by source
q5:
not reported by source
q10:
not reported by source
q20:
not reported by source
q50:
not reported by source
hm:
not reported by source
h5:
not reported by source
h10:
not reported by source
h20:
not reported by source
h50:
not reported by source
culQm:
not reported by source
culQ5:
not reported by source
culQ10:
not reported by source
culQ20:
not reported by source
culQ50:
not reported by source
culHm:
not reported by source
culH5:
not reported by source
culH10:
not reported by source
culH20:
not reported by source
culH50:
not reported by source
seriesList:

2 results

  1. parameterName:
    Vannstand
    parameter:
    1000
    versionNo:
    0
    unit:
    m
    serieFrom:
    not reported by source
    serieTo:
    not reported by source
    resolutionList:

    3 results

    1. resTime:
      0
      method:
      Instantaneous
      timeOffset:
      0
      dataFromTime:
      1966-05-01T11:00:00Z
      dataToTime:
      2026-06-22T22:00:00Z
    2. resTime:
      60
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1993-01-04T00:00:00Z
      dataToTime:
      2026-06-22T22:00:00Z
    3. resTime:
      1440
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1966-05-01T11:00:00Z
      dataToTime:
      2026-06-22T11:00:00Z
  2. parameterName:
    Magasinvolum
    parameter:
    1004
    versionNo:
    0
    unit:
    millioner m³
    serieFrom:
    not reported by source
    serieTo:
    not reported by source
    resolutionList:

    3 results

    1. resTime:
      0
      method:
      Instantaneous
      timeOffset:
      0
      dataFromTime:
      1966-05-01T11:00:00Z
      dataToTime:
      2026-06-22T22:00:00Z
    2. resTime:
      60
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1993-01-04T00:00:00Z
      dataToTime:
      2026-06-22T22:00:00Z
    3. resTime:
      1440
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1966-05-01T11:00:00Z
      dataToTime:
      2026-06-22T11:00:00Z

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How an AI agent should use this page

Ground rule: Navigate with HTML GET links to keep explanations and relationships. Use the page's JSON alternative only when concrete values must be extracted, compared or computed.

How to use the NVE station

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