Lalm (Otta): discharge and water level

Lalm (Otta): discharge 63.8 m³/s (60% of mean flow), water level 354.07 m – below mean flood. Measured 23/10/2026, 19:00 CEST.

Now

63.8 m³/s below mean flood

Water level: 354.071 m (local datum) · Measured: 23/10/2026, 19:00 CEST · uncontrolled

Discharge, recent days (63.8–64.2 m³/s)

Mean flow (catchment statistic)106 m³/s
Mean annual flood667 m³/s
5-year flood788 m³/s
50-year flood1,103 m³/s

NVE flood statistics (culmination values).

Source: Data: NVE (Norges vassdrags- og energidirektorat), HydAPI · Licence: NLOD 2.0 · Updated 23/10/2026, 21:15 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

3.8 mm fell at MET station Leirflaten (12.1 km away).

2026-10-16: 0.6 mm16.0.62026-10-17: 0.2 mm17.0.22026-10-18: 0 mm18.02026-10-19: 0.2 mm19.0.22026-10-20: 0 mm20.02026-10-21: 0 mm21.02026-10-22: 2.8 mm22.2.8
Data: MET Norway (Frost API, SN14200) · NLOD 2.0 / CC BY 4.0 · daily values, provisional

Water body status (EU Water Framework Directive)

  • OTTA NEDSTROEMS LALMSVATN TIL EIDEFOSS NO002-2522-R
    Ecological potential: good (2010) · Chemical: not assessed · heavily modified/artificial
  • RINDA NO002-2511-R
    Ecological status: good (2018) · 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