Gressvatn

Hydrological station 155.17.0.

Programmatic access to station metadata (JSON)

Source: NVE HydAPI. Retrieved 2026-09-21T03:56:10Z.

Station and available series

stationId:
155.17.0
stationName:
Gressvatn
latitude:
66.0693
longitude:
14.32907
utmEast_Z33:
469632
utmNorth_Z33:
7327797
masl:
596
riverName:
Bjerka
councilNumber:
1832
councilName:
Hemnes
countyName:
Nordland
drainageBasinKey:
1851
hierarchy:
Bjerka
lakeArea:
22.6
lakeName:
Graesiejaevrie
lakeNo:
513
regineNo:
155.4G
reservoirNo:
127
reservoirName:
GRESSVATN
stationTypeName:
Privat, pålagt
stationStatusName:
Aktiv
drainageBasinArea:
136.51
drainageBasinAreaNorway:
100.95
gradient1085:
13.31
gradientBasin:
not reported by source
gradientRiver:
15.41
heightMinimum:
588
heightHypso10:
588
heightHypso20:
664
heightHypso30:
747
heightHypso40:
817
heightHypso50:
886
heightHypso60:
960
heightHypso70:
1031
heightHypso80:
1144
heightHypso90:
1365
heightMaximum:
1906
lengthKmBasin:
14.54
lengthKmRiver:
13.82
percentAgricul:
0
percentBog:
1.62
percentEffBog:
not reported by source
percentEffLake:
16.59
percentForest:
10.44
percentGlacier:
10.73
percentLake:
18.57
percentMountain:
55.11
percentUrban:
0
utmZoneGravi:
not reported by source
utmEastGravi:
not reported by source
utmNorthGravi:
not reported by source
utmZoneInlet:
not reported by source
utmEastInlet:
not reported by source
utmNorthInlet:
not reported by source
utmZoneOutlet:
not reported by source
utmEastOutlet:
not reported by source
utmNorthOutlet:
not reported by source
annualRunoff:
222.07
specificDischarge:
51.19
regulationArea:
137.46
areaReservoirs:
22.6
volumeReservoirs:
314
regulationPartReservoirs:
1.41
transferAreaIn:
0
transferAreaOut:
0
reservoirAreaIn:
0
reservoirAreaOut:
22.6
reservoirVolumeIn:
0
reservoirVolumeOut:
314
remainingArea:
0
numberReservoirs:
1
firstYearRegulation:
2014
catchmentRegTypeName:
regulert m/magasinregulering
owner:
Statkraft - Stg. Røssåga
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:
    50
    unit:
    m
    serieFrom:
    1994-08-01T00:00:00
    serieTo:
    not reported by source
    resolutionList:

    3 results

    1. resTime:
      0
      method:
      Instantaneous
      timeOffset:
      0
      dataFromTime:
      1994-08-01T11:00:00Z
      dataToTime:
      2026-06-19T22:00:00Z
    2. resTime:
      60
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      2024-01-01T01:00:00Z
      dataToTime:
      2026-06-19T22:00:00Z
    3. resTime:
      1440
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1994-08-01T11:00:00Z
      dataToTime:
      2026-06-19T11:00:00Z
  2. parameterName:
    Magasinvolum
    parameter:
    1004
    versionNo:
    50
    unit:
    millioner m³
    serieFrom:
    not reported by source
    serieTo:
    not reported by source
    resolutionList:

    3 results

    1. resTime:
      0
      method:
      Instantaneous
      timeOffset:
      0
      dataFromTime:
      1994-08-01T11:00:00Z
      dataToTime:
      2026-06-19T22:00:00Z
    2. resTime:
      60
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      2024-01-01T01:00:00Z
      dataToTime:
      2026-06-19T22:00:00Z
    3. resTime:
      1440
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1994-08-01T11:00:00Z
      dataToTime:
      2026-06-19T11:00:00Z

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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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