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Municipality · Agder · 4203

Arendal

1 registered sites for salmon and trout, operated by 1 company. The farms are in production area 1 (Svenskegrensen til Jæren), rated green (2026 assessment).

  • unknownFarms above the lice limit, week 39Norwegian Food Safety Authority · Week 39, 2026
  • unknownOf lice counts above the limit, 20250 counts · Norwegian Food Safety Authority
  • unknownSea lice treatments, 2025Norwegian Food Safety Authority · 01 Oct 2026
  • 0Open disease cases nowNorwegian Food Safety Authority · 01 Oct 2026
  • 0Escapes reported, 2025Directorate of Fisheries · 01 Oct 2026
  • unknownFrom the Aquaculture FundDirectorate of Fisheries (Aquaculture Fund) · 30 Sep 2026

Capacity per company in the municipality

Sites' maximum allowed biomass (MAB) in tonnes, summed per operator · total 19 tonnes · Source: Directorate of Fisheries · updated 01 Oct 2026

Latest events

Atom feed

None recorded.

Food Safety Authority, Directorate of Fisheries, Coastal Administration (AIS) · the same events as in the alerts

Farms in Arendal

FarmStatus week 39LiceMTBWellboat visits, 30 d
Flødevigen
Havforskningsinstituttet
Not reportedunknown190

Lice: adult female lice per fish, Week 39, 2026 (▲ above, ◆ near, ● below the limit, ○ unknown) · Food Safety Authority · Wellboat visits: 30 days to 12 Sep 2026, Coastal Administration (AIS) · MAB: allowed biomass in tonnes, Directorate of Fisheries

By year

YearFarms reportingAbove limitTreatmentsEscapesDisease casesAquaculture FundWild salmon caught
20250unknown000unknown188
20240unknown000*unknown263
20230*unknown0*0unknownunknown237
2022unknownunknownunknown0unknownunknown234
2021unknownunknownunknown0unknownunknown253
2020unknownunknownunknown0unknownunknown399
2019unknownunknownunknown0unknownunknown368

* Partial year: lice counts from the Food Safety Authority from week 40 of 2023; disease register from 26 Nov 2024 (older cases only if still open then). The Aquaculture Fund publishes yearly around October–December. Wild salmon: reported catch in rivers with their mouth in the municipality (Statistics Norway). Unknown = no data, not zero.

Salmon rivers

  • Langangsvassdraget018.7Z
  • Nidelva (Arendal)019.Z

Reported wild salmon catch 2025: 188 salmon (477 kg).

Norwegian Environment Agency, Directorate of Fisheries · catch: Statistics Norway