Atnasjø (Atna): discharge and water level

Atnasjø (Atna): discharge 10 m³/s (98% of mean flow), water level 0.51 m – below mean flood. Measured 23/10/2026, 20:00 CEST.

Now

10 m³/s below mean flood

Water level: 0.51 m (local datum) · Measured: 23/10/2026, 20:00 CEST · uncontrolled

Discharge, recent days (9.92–10 m³/s)

Mean flow (catchment statistic)10.2 m³/s
Mean annual flood72.5 m³/s
5-year flood89.5 m³/s
50-year flood140 m³/s

NVE flood statistics (culmination values) for 1917–2025.

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 Atnsjøen (6.1 km away).

2026-10-16: 1.5 mm16.1.52026-10-17: 0.1 mm17.0.12026-10-18: 0 mm18.02026-10-19: 0 mm19.02026-10-20: 0 mm20.02026-10-21: 0 mm21.02026-10-22: 5 mm22.5
Data: MET Norway (Frost API, SN8720) · NLOD 2.0 / CC BY 4.0 · daily values, provisional

Water body status (EU Water Framework Directive)

  • ATNA ATNSJOEEN - ATNOSET NO002-305-R
    Ecological status: moderate (2020) · 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