Grunnfoss (Verdalsvassdraget): discharge and water level

Grunnfoss (Verdalsvassdraget): discharge 15.6 m³/s (41% of mean flow), water level 1.2 m – below mean flood. Measured 23/10/2026, 20:00 CEST.

Now

15.6 m³/s below mean flood

Water level: 1.199 m (local datum) · Measured: 23/10/2026, 20:00 CEST · uncontrolled

Discharge, recent days (15.5–15.6 m³/s)

Mean flow (catchment statistic)37.8 m³/s
Mean annual flood394 m³/s
5-year flood479 m³/s
50-year flood775 m³/s

NVE flood statistics (culmination values).

Source: Data: NVE (Norges vassdrags- og energidirektorat), HydAPI · Licence: NLOD 2.0 · Updated 23/10/2026, 20:41 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

6.6 mm fell at MET station Buran (15.4 km away).

2026-10-16: 2.3 mm16.2.32026-10-17: 2.5 mm17.2.52026-10-18: 1.4 mm18.1.42026-10-19: 0.2 mm19.0.22026-10-20: 0 mm20.02026-10-21: 0 mm21.02026-10-22: 0.2 mm22.0.2
Data: MET Norway (Frost API, SN69960) · NLOD 2.0 / CC BY 4.0 · daily values, provisional

Water body status (EU Water Framework Directive)

  • SIDEBEKKER TIL HELGAAA NO127-236-R
    Ecological status: good (2022) · Chemical: not assessed
  • HELGAAA NO127-166-R
    Ecological status: bad (2021) · Chemical: good
    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