Municipality · Vestland · 4630

Osterøy

8 registered sites for salmon and trout, operated by 5 companies. The farms are in production area 4 (Nordhordland til Stadt), rated yellow (2026 assessment).

Follow Osterøy

0 of 4Farms above the lice limit, week 39Norwegian Food Safety Authority · Week 39, 2026
0.9%Of lice counts above the limit, 2025219 counts · Norwegian Food Safety Authority
115Sea lice treatments, 2025Norwegian Food Safety Authority · 01 Oct 2026
0Open disease cases nowNorwegian Food Safety Authority · 01 Oct 2026
2Escapes reported, 2025Directorate of Fisheries · 01 Oct 2026
NOK 4.3 mFrom the Aquaculture Fund, 2025Directorate of Fisheries (Aquaculture Fund) · 30 Sep 2026

Capacity per company in the municipality

Sites' maximum allowed biomass (MAB) in tonnes, summed per operator · total 18,020 tonnes · 2 sites without a stated capacity · 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 Osterøy

Farm	Status week 39	Lice	MTB	Wellboat visits, 30 d
Angelskår Lerøy Vest Sjø AS	Below the limit	0.04	4,680	0
Blom Sjøtroll Havbruk Sjø AS	Below the limit	0.00	3,120	0
Skaftå Sjøtroll Havbruk Sjø AS	Below the limit	0.00	3,120	1
Tepstad Sjøtroll Havbruk Sjø AS	Below the limit	0.00	5,460	0
Kalvehagen Sjøtroll Havbruk AS	Not reported	unknown	80	0
Litletveitholane Tombre Fiskeanlegg AS	Not reported	unknown	1,560	0
Sagelva unknown	Not reported	unknown	unknown	0
Saltverket Sjøtroll Havbruk AS	Not reported	unknown	unknown	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	Escapes	Disease cases	Aquaculture Fund	Wild salmon caught
2026 (to date)	5	0.0%	3	0	0	unknown	unknown
2025	5	0.9%	115	2	0	NOK 4.3 m	82
2024	5	0.6%	22	0	0*	NOK 18.2 m	0
2023	3*	0.0%*	5*	1	unknown	NOK 5 m	88
2022	unknown	unknown	unknown	0	unknown	NOK 13.3 m	69
2021	unknown	unknown	unknown	1	unknown	NOK 6.6 m	26
2020	unknown	unknown	unknown	0	unknown	NOK 10.2 m	241
2019	unknown	unknown	unknown	0	unknown	NOK 996,691	328

* 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

Loneelva (Osterøy)060.4Z

Reported wild salmon catch 2025: 82 salmon (192 kg).

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