Tannsvatn (Lognvikvatnet)

Hydrological station 16.75.0.

Programmatic access to station metadata (JSON)

Source: NVE HydAPI. Retrieved 2026-09-21T09:54:46Z.

Station and available series

stationId:
16.75.0
stationName:
Tannsvatn (Lognvikvatnet)
latitude:
59.67317
longitude:
8.06739
utmEast_Z33:
109976
utmNorth_Z33:
6635419
masl:
698
riverName:
Tansåi
councilNumber:
4036
councilName:
Vinje
countyName:
Telemark
drainageBasinKey:
645
hierarchy:
Tansåi/Vest-vassdraget/Skiensvassdraget
lakeArea:
0
lakeName:
not reported by source
lakeNo:
67928
regineNo:
016.BG11A
reservoirNo:
not reported by source
reservoirName:
not reported by source
stationTypeName:
Privat, pålagt
stationStatusName:
Aktiv
drainageBasinArea:
118.02
drainageBasinAreaNorway:
118.02
gradient1085:
22.51
gradientBasin:
19.71
gradientRiver:
19.81
heightMinimum:
696
heightHypso10:
760
heightHypso20:
813
heightHypso30:
867
heightHypso40:
907
heightHypso50:
936
heightHypso60:
963
heightHypso70:
986
heightHypso80:
1042
heightHypso90:
1111
heightMaximum:
1292
lengthKmBasin:
14.51
lengthKmRiver:
12.32
percentAgricul:
1.6
percentBog:
19.5
percentEffBog:
not reported by source
percentEffLake:
-999
percentForest:
52.06
percentGlacier:
0
percentLake:
7.12
percentMountain:
15.1
percentUrban:
0.15
utmZoneGravi:
33
utmEastGravi:
113848
utmNorthGravi:
6639848
utmZoneInlet:
33
utmEastInlet:
111054
utmNorthInlet:
6649072
utmZoneOutlet:
not reported by source
utmEastOutlet:
not reported by source
utmNorthOutlet:
not reported by source
annualRunoff:
84.83
specificDischarge:
22.78
regulationArea:
0
areaReservoirs:
0
volumeReservoirs:
0
regulationPartReservoirs:
0
transferAreaIn:
0
transferAreaOut:
0
reservoirAreaIn:
0
reservoirAreaOut:
0
reservoirVolumeIn:
0
reservoirVolumeOut:
0
remainingArea:
0
numberReservoirs:
0
firstYearRegulation:
1964
catchmentRegTypeName:
Uregulert
owner:
Statkraft Sf Region Øst-Norge
qNumberOfYears:
71
qStartYear:
1955
qEndYear:
2025
qm:
22.6282
q5:
28.295
q10:
32.4855
q20:
36.3437
q50:
41.1133
hm:
697.741
h5:
697.8583
h10:
697.9376
h20:
698.0062
h50:
698.0861
culQm:
23.4327
culQ5:
29.301
culQ10:
33.6404
culQ20:
37.6358
culQ50:
42.575
culHm:
697.7584
culH5:
697.8778
culH10:
697.9585
culH20:
698.0283
culH50:
698.1096
seriesList:

3 results

  1. parameterName:
    Vannstand
    parameter:
    1000
    versionNo:
    1
    unit:
    m
    serieFrom:
    1955-03-18T00:00:00
    serieTo:
    not reported by source
    resolutionList:

    3 results

    1. resTime:
      0
      method:
      Instantaneous
      timeOffset:
      0
      dataFromTime:
      1955-03-18T11:00:00Z
      dataToTime:
      2026-09-21T08:00:00Z
    2. resTime:
      60
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1985-01-01T00:00:00Z
      dataToTime:
      2026-09-21T08:00:00Z
    3. resTime:
      1440
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1955-03-18T11:00:00Z
      dataToTime:
      2026-09-20T11:00:00Z
  2. parameterName:
    Vannføring
    parameter:
    1001
    versionNo:
    1
    unit:
    m³/s
    serieFrom:
    not reported by source
    serieTo:
    not reported by source
    resolutionList:

    3 results

    1. resTime:
      0
      method:
      Instantaneous
      timeOffset:
      0
      dataFromTime:
      1955-03-18T11:00:00Z
      dataToTime:
      2026-09-21T08:00:00Z
    2. resTime:
      60
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1985-01-01T00:00:00Z
      dataToTime:
      2026-09-21T08:00:00Z
    3. resTime:
      1440
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1955-03-18T11:00:00Z
      dataToTime:
      2026-09-20T11:00:00Z
  3. parameterName:
    Magasinvolum
    parameter:
    1004
    versionNo:
    1
    unit:
    millioner m³
    serieFrom:
    not reported by source
    serieTo:
    not reported by source
    resolutionList:

    3 results

    1. resTime:
      0
      method:
      Instantaneous
      timeOffset:
      0
      dataFromTime:
      1955-03-18T11:00:00Z
      dataToTime:
      2026-09-21T08:00:00Z
    2. resTime:
      60
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1985-01-01T00:00:00Z
      dataToTime:
      2026-09-21T08:00:00Z
    3. resTime:
      1440
      method:
      Mean
      timeOffset:
      0
      dataFromTime:
      1955-03-18T11:00:00Z
      dataToTime:
      2026-09-20T11:00:00Z

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