Lomnessjø (Rena): discharge and water level

Lomnessjø (Rena): discharge 78.2 m³/s (482% of mean flow), water level 255.4 m – below mean flood. Measured 23/10/2026, 19:00 CEST.

Now

78.2 m³/s below mean flood

Water level: 255.401 m (local datum) · Measured: 23/10/2026, 19:00 CEST · uncontrolled

Discharge, recent days (78.2–78.2 m³/s)

Mean flow (catchment statistic)16.2 m³/s
Mean annual flood213 m³/s
5-year flood260 m³/s
50-year flood383 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

7.1 mm fell at MET station Åkrestrømmen (4.1 km away).

2026-10-16: 1.5 mm16.1.52026-10-17: 0.1 mm17.0.12026-10-18: 0.1 mm18.0.12026-10-19: 0 mm19.02026-10-20: 0 mm20.02026-10-21: 0.1 mm21.0.12026-10-22: 5.3 mm22.5.3
Data: MET Norway (Frost API, SN7660) · NLOD 2.0 / CC BY 4.0 · daily values, provisional

Water body status (EU Water Framework Directive)

  • RENA LOMNESSJOEEN - STORSJOEEN NO002-2900-R
    Ecological potential: moderate (2016) · Chemical: not assessed · heavily modified/artificial
    Good status expected: by 2027
  • VESTABEKKEN AAKERSAAA FJORDUNGSBEKKEN NO002-212-R
    Ecological status: good (2021) · Chemical: not assessed
  • BEKKER TIL LOEVFJORDEN OEST NO002-4589-R
    Ecological status: good (2020) · 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