Surna v/Skjermo (Surna): discharge and water level

Surna v/Skjermo (Surna): discharge 21 m³/s (51% of mean flow), water level 0.97 m – below mean flood. Measured 23/10/2026, 19:00 CEST.

Now

21 m³/s below mean flood

Water level: 0.97 m (local datum) · Measured: 23/10/2026, 19:00 CEST · uncontrolled

Discharge, recent days (21–21.1 m³/s)

Mean flow (catchment statistic)41.4 m³/s
Mean annual flood308 m³/s
5-year flood376 m³/s
50-year flood646 m³/s

NVE flood statistics (culmination values).

Source: Data: NVE (Norges vassdrags- og energidirektorat), HydAPI · Licence: NLOD 2.0 · Updated 23/10/2026, 20:15 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

21.7 mm fell at MET station Tågdalen (7.4 km away).

2026-10-16: 5.4 mm16.5.42026-10-17: 7.1 mm17.7.12026-10-18: 6.7 mm18.6.72026-10-19: 0.5 mm19.0.52026-10-20: 0.1 mm20.0.12026-10-21: 0.9 mm21.0.92026-10-22: 1 mm22.1
Data: MET Norway (Frost API, SN64870) · NLOD 2.0 / CC BY 4.0 · daily values, provisional

Water body status (EU Water Framework Directive)

  • SURNA NEDRE DEL NO112-30-R
    Ecological potential: moderate (2021) · Chemical: good · heavily modified/artificial
    Good status expected: after 2027
  • SURNA BEKKEFELT NO112-263-R
    Ecological status: high (2015) · Chemical: not assessed

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