Grongstadvatn (Bjøra): discharge and water level

Grongstadvatn (Bjøra): discharge 20.7 m³/s (64% of mean flow), water level 1.13 m – below mean flood. Measured 23/10/2026, 19:00 CEST.

Now

20.7 m³/s below mean flood

Water level: 1.134 m (local datum) · Measured: 23/10/2026, 19:00 CEST · uncontrolled

Discharge, recent days (20.7–20.8 m³/s)

Mean flow (catchment statistic)32.1 m³/s
Mean annual flood177 m³/s
5-year flood218 m³/s
50-year flood442 m³/s

NVE flood statistics (culmination values) for 2003–2025.

Source: Data: NVE (Norges vassdrags- og energidirektorat), HydAPI · Licence: NLOD 2.0 · Updated 23/10/2026, 19:45 CEST. Raw data, mostly not yet quality-controlled by NVE. Not an official flood warning – see varsom.no.

🔔 Notify me E-mail on flood levels or your own threshold – not an official warning

Precipitation, last 7 days

15.9 mm fell at MET station Gartland (9.7 km away).

2026-10-16: 4.2 mm16.4.22026-10-17: 5.9 mm17.5.92026-10-18: 5.4 mm18.5.42026-10-19: 0 mm19.02026-10-20: 0 mm20.02026-10-21: 0 mm21.02026-10-22: 0.4 mm22.0.4
Data: MET Norway (Frost API, SN73550) · NLOD 2.0 / CC BY 4.0 · daily values, provisional

Water body status (EU Water Framework Directive)

  • BJOERA BEKKEFELT NO139-297-R
    Ecological status: good (2021) · Chemical: not assessed
  • SOERAAA NO139-5-R
    Ecological status: moderate (2019) · Chemical: not assessed
    Good status expected: by 2027

Official assessment of the water body at this gauge from the 2022 river basin management plans (WFD target: at least “good”). It rates the whole water body, not today’s water quality.

EEA WISE – WFD 2022 (3rd RBMP), © EEA, CC BY 4.0