Municipality · Trøndelag · 5001

Trondheim

2 registered sites for salmon and trout, operated by 2 companies. The farms are in production area 6 (Nordmøre og Sør-Trøndelag), rated yellow (2026 assessment).

Follow Trondheim

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 15 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 Trondheim

Farm	Status week 39	Lice	MTB	Wellboat visits, 30 d
Brattørkaia Sintef Ocean AS	Not reported	unknown	1	0
Brattørkaia 17b Norges Teknisk-Naturvitenskapelige Universitet Ntnu	Not reported	unknown	14	0

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

Year	Farms reporting	Above limit	Treatments	Disease cases	Aquaculture Fund	Wild salmon caught
2025	0	unknown	0	0	unknown	274
2024	0	unknown	0	0*	unknown	66
2023	0*	unknown	0*	unknown	unknown	380
2022	unknown	unknown	unknown	unknown	unknown	684
2021	unknown	unknown	unknown	unknown	unknown	508
2020	unknown	unknown	unknown	unknown	unknown	741
2019	unknown	unknown	unknown	unknown	unknown	399

* 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

Nidelva (Trondheim)National salmon river · 123.Z

Reported wild salmon catch 2025: 274 salmon (1,001 kg).

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