Syrtveit (Otra): discharge and water level

Syrtveit (Otra): discharge 49.8 m³/s (44% of mean flow), water level 1.72 m – below mean flood. Measured 23/10/2026, 19:00 CEST.

Now

49.8 m³/s below mean flood

Water level: 1.717 m (local datum) · Measured: 23/10/2026, 19:00 CEST · uncontrolled

Discharge, recent days (49.8–50 m³/s)

Mean flow (catchment statistic)113 m³/s
Mean annual flood486 m³/s
5-year flood619 m³/s
50-year flood903 m³/s

NVE flood statistics (culmination values) for 1913–2015.

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

19.6 mm fell at MET station Byglandsfjord - Neset (5.2 km away).

2026-10-16: 0 mm16.02026-10-17: 1.4 mm17.1.42026-10-18: 0 mm18.02026-10-19: 0 mm19.02026-10-20: 0 mm20.02026-10-21: 0.6 mm21.0.62026-10-22: 17.6 mm22.17.6
Data: MET Norway (Frost API, SN39750) · NLOD 2.0 / CC BY 4.0 · daily values, provisional

Water body status (EU Water Framework Directive)

  • OTRA - BYGLANDSFJORD TIL BREIDFLAA NO021-893-R
    Ecological status: moderate (2018) · Chemical: not assessed
    Good status expected: after 2027
  • OTRA - BYGLANDSFJORDEN TIL BREIDFLAA BEKKEFELT NO021-708-R
    Ecological status: moderate (2019) · Chemical: failing to achieve good
    Good status expected: after 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