Langhølen (Sira): discharge and water level

Langhølen (Sira): discharge 1.91 m³/s (1% of mean flow), water level 0.5 m – out of date. Measured 23/10/2026, 07:00 CEST.

Now

1.91 m³/s out of date

Water level: 0.497 m (local datum) · Measured: 23/10/2026, 07:00 CEST · uncontrolled

Mean flow (catchment statistic)130 m³/s
Mean annual flood209 m³/s
5-year flood333 m³/s
50-year flood461 m³/s

NVE flood statistics (culmination values) for 2005–2025.

Source: Data: NVE (Norges vassdrags- og energidirektorat), HydAPI · Licence: NLOD 2.0 · Updated 23/10/2026, 21:30 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

18.8 mm fell at MET station Jøssingfjord (6.4 km away).

2026-10-16: 5.2 mm16.5.22026-10-17: 1.1 mm17.1.12026-10-18: 0.5 mm18.0.52026-10-19: 0 mm19.02026-10-20: 0 mm20.02026-10-21: 0 mm21.02026-10-22: 12 mm22.12
Data: MET Norway (Frost API, SN43090) · NLOD 2.0 / CC BY 4.0 · daily values, provisional

Water body status (EU Water Framework Directive)

  • SIRA - LUNDEVATN TIL AANAFJORDEN NO026-691-R
    Ecological potential: moderate (2019) · Chemical: good · heavily modified/artificial
    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