Nordre Osa (Osa): discharge and water level

Nordre Osa (Osa): discharge 25.4 m³/s (296% of mean flow), water level 455.68 m – below mean flood. Measured 23/10/2026, 19:00 CEST.

Now

25.4 m³/s below mean flood

Water level: 455.678 m (local datum) · Measured: 23/10/2026, 19:00 CEST · uncontrolled

Discharge, recent days (25.4–25.5 m³/s)

Mean flow (catchment statistic)8.57 m³/s
Mean annual flood105 m³/s
5-year flood135 m³/s
50-year flood207 m³/s

NVE flood statistics (culmination values) for 1989–2025.

Source: Data: NVE (Norges vassdrags- og energidirektorat), HydAPI · Licence: NLOD 2.0 · Updated 23/10/2026, 20:00 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

21.6 mm fell at MET station Rena - Ørnhaugen (13.6 km away).

2026-10-16: 2.4 mm16.2.42026-10-17: 0 mm17.02026-10-18: 0 mm18.02026-10-19: 0 mm19.02026-10-20: 0 mm20.02026-10-21: 0.1 mm21.0.12026-10-22: 19.1 mm22.19.1
Data: MET Norway (Frost API, SN7420) · NLOD 2.0 / CC BY 4.0 · daily values, provisional

Water body status (EU Water Framework Directive)

  • NORDRE OSA OSENSJOEEN - BLEKUA BEKKEFELT NO002-4449-R
    Ecological status: good (2020) · Chemical: not assessed
  • NORDRE OSA OSENSJOEEN - BLEKUA NO002-2960-R
    Ecological status: good (2012) · 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