Municipality · Rogaland · 1146

Tysvær

7 registered sites for salmon and trout, operated by 3 companies. The farms are in production area 2 (Ryfylke), rated yellow (2026 assessment).

Follow Tysvær

0 of 6Farms above the lice limit, week 39Norwegian Food Safety Authority · Week 39, 2026
4.9%Of lice counts above the limit, 2025203 counts · Norwegian Food Safety Authority
48Sea 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
NOK 5.5 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 23,100 tonnes · 1 sites without a stated capacity · Source: Directorate of Fisheries · updated 01 Oct 2026

Latest events

Atom feed

14 Sep 2026
LiceLangøyna Ø above the lice limit in week 38 (1.31 vs 0.5)

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

Farms in Tysvær

Farm	Status week 39	Lice	MTB	Wellboat visits, 30 d
Håøya Nø Nordsjø Fjordbruk AS	Near the limit	0.43	2,340	0
Ringja Mowi Seawater Norway AS	Below the limit	0.34	4,680	0
Langøyna Ø Nordsjø Fjordbruk AS	Below the limit	0.08	4,680	2
Smedholmen Mowi Seawater Norway AS	Below the limit	0.03	3,120	1
Halsavika Mowi Seawater Norway AS	Below the limit	0.01	3,600	3
Munkholmen Mowi Seawater Norway AS	Below the limit	0.00	4,680	9
Espevik Ecofisk Norway 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)	6	2.1%	20	0	0	unknown	unknown
2025	6	4.9%	48	0	0	NOK 5.5 m	unknown
2024	6	1.4%	10	0	0*	NOK 23.4 m	unknown
2023	6*	4.1%*	17*	0	unknown	NOK 6.4 m	unknown
2022	unknown	unknown	unknown	0	unknown	NOK 17.1 m	unknown
2021	unknown	unknown	unknown	1	unknown	NOK 8.6 m	unknown
2020	unknown	unknown	unknown	1	unknown	NOK 13.2 m	unknown
2019	unknown	unknown	unknown	1	unknown	NOK 1.2 m	unknown

* 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

No registered salmon rivers with their mouth in the municipality.

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