Storevikholmen

Site 11492 · Fitjar municipality · Production area 3, Karmøy til Sotra

Below the lice limit, week 39Operated by Sjøtroll Havbruk Sjø AS · group Lerøy Seafood Group

0.39Adult female lice per fishLimit 0.50 · below the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 39 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

11Lice treatments in 2026Latest: Thermal delousing, week 39, 20262026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Active disease casesNone active · 1 earlierRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

17Wellboat visits in 2026by 2 different vessels · latest 10 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

0Escapes reportedNone reportedSince 2006 · Directorate of Fisheries · updated 01 Oct 2026

Sea lice against the limit

Weekly average of adult female lice per fish, as reported by the company. For this site the limit is 0.2 in weeks 16–21 and 0.5 for the rest of the year. Hatched weeks have no count and count neither as above nor below.

2026

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.34	0.5	Below the limit
2	0.09	0.5	Below the limit
3	0.03	0.5	Below the limit
4	0.04	0.5	Below the limit
5	0.05	0.5	Below the limit
6	0.04	0.5	Below the limit
7	0.03	0.5	Below the limit
8	0.03	0.5	Below the limit
9	0.04	0.5	Below the limit
10	0.05	0.5	Below the limit
11	0.06	0.5	Below the limit
12	0.06	0.5	Below the limit
13	0.09	0.5	Below the limit
14	0.12	0.5	Below the limit
15	0.12	0.5	Below the limit
16	0.16	0.2	Below the limit
17	0.06	0.2	Below the limit
18	0.06	0.2	Below the limit
19	0.02	0.2	Below the limit
20	0.09	0.2	Below the limit
21	0.06	0.2	Below the limit
22	0.24	0.5	Below the limit
23	0.15	0.5	Below the limit
24	0.15	0.5	Below the limit
25	0.44	0.5	Near the limit
26	0.26	0.5	Below the limit
27	0.30	0.5	Below the limit
28	0.37	0.5	Below the limit
29	0.34	0.5	Below the limit
30	0.26	0.5	Below the limit
31	0.34	0.5	Below the limit
32	0.31	0.5	Below the limit
33	0.23	0.5	Below the limit
34	0.23	0.5	Below the limit
35	0.15	0.5	Below the limit
36	0.39	0.5	Below the limit
37	0.17	0.5	Below the limit
38	0.38	0.5	Below the limit
39	0.39	0.5	Below the limit

Earlier years

20250 of 24 weeks with a count above the limit

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.08	0.5	Below the limit
2	0.20	0.5	Below the limit
3	0.49	0.5	Near the limit
4	0.43	0.5	Near the limit
5	0.25	0.5	Below the limit
6	0.15	0.5	Below the limit
7	0.18	0.5	Below the limit
8	0.23	0.5	Below the limit
9	unknown	0.5	Not reported
10	unknown	0.5	Not reported
11	unknown	0.5	Not reported
12	unknown	0.5	Not reported
13	unknown	0.5	Not reported
14	unknown	0.5	Not reported
15	unknown	0.5	Not reported
16	unknown	0.2	Not reported
17	unknown	0.2	Not reported
18	unknown	0.2	Not reported
19	unknown	0.2	Not reported
20	unknown	0.2	Not reported
21	unknown	0.2	Not reported
22	unknown	0.5	Not reported
23	unknown	0.5	Not reported
24	unknown	0.5	Not reported
25	unknown	0.5	Not reported
26	unknown	0.5	Not reported
27	unknown	0.5	Not reported
28	unknown	0.5	Not reported
29	unknown	0.5	Not reported
30	unknown	0.5	Not reported
31	unknown	0.5	Not reported
32	unknown	0.5	Not reported
33	unknown	0.5	Not reported
34	unknown	0.5	Not reported
35	unknown	0.5	Not reported
36	unknown	0.5	Not reported
37	0.01	0.5	Below the limit
38	0.00	0.5	Below the limit
39	0.03	0.5	Below the limit
40	0.05	0.5	Below the limit
41	0.08	0.5	Below the limit
42	0.17	0.5	Below the limit
43	0.35	0.5	Below the limit
44	0.49	0.5	Near the limit
45	0.16	0.5	Below the limit
46	0.15	0.5	Below the limit
47	0.11	0.5	Below the limit
48	0.27	0.5	Below the limit
49	0.24	0.5	Below the limit
50	0.18	0.5	Below the limit
51	0.26	0.5	Below the limit
52	0.37	0.5	Below the limit

20240 of 52 weeks with a count above the limit

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2024
Week	Adult female lice per fish	Lice limit	Status
1	0.21	0.5	Below the limit
2	0.18	0.5	Below the limit
3	0.21	0.5	Below the limit
4	0.26	0.5	Below the limit
5	0.22	0.5	Below the limit
6	0.10	0.5	Below the limit
7	0.12	0.5	Below the limit
8	0.07	0.5	Below the limit
9	0.20	0.5	Below the limit
10	0.19	0.5	Below the limit
11	0.18	0.5	Below the limit
12	0.18	0.5	Below the limit
13	0.22	0.5	Below the limit
14	0.25	0.5	Below the limit
15	0.21	0.5	Below the limit
16	0.13	0.2	Below the limit
17	0.15	0.2	Below the limit
18	0.13	0.2	Below the limit
19	0.14	0.2	Below the limit
20	0.12	0.2	Below the limit
21	0.11	0.2	Below the limit
22	0.09	0.5	Below the limit
23	0.21	0.5	Below the limit
24	0.10	0.5	Below the limit
25	0.19	0.5	Below the limit
26	0.13	0.5	Below the limit
27	0.45	0.5	Near the limit
28	0.28	0.5	Below the limit
29	0.25	0.5	Below the limit
30	0.45	0.5	Near the limit
31	0.23	0.5	Below the limit
32	0.47	0.5	Near the limit
33	0.38	0.5	Below the limit
34	0.14	0.5	Below the limit
35	0.21	0.5	Below the limit
36	0.09	0.5	Below the limit
37	0.18	0.5	Below the limit
38	0.39	0.5	Below the limit
39	0.08	0.5	Below the limit
40	0.10	0.5	Below the limit
41	0.26	0.5	Below the limit
42	0.39	0.5	Below the limit
43	0.48	0.5	Near the limit
44	0.25	0.5	Below the limit
45	0.30	0.5	Below the limit
46	0.10	0.5	Below the limit
47	0.10	0.5	Below the limit
48	0.10	0.5	Below the limit
49	0.30	0.5	Below the limit
50	0.07	0.5	Below the limit
51	0.08	0.5	Below the limit
52	0.00	0.5	Below the limit

20232 of 13 weeks with a count above the limit (data from week 40)

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	0.25	0.5	Below the limit
41	0.80	0.5	Above the limit
42	0.17	0.5	Below the limit
43	0.08	0.5	Below the limit
44	0.09	0.5	Below the limit
45	0.11	0.5	Below the limit
46	0.22	0.5	Below the limit
47	0.37	0.5	Below the limit
48	0.79	0.5	Above the limit
49	0.35	0.5	Below the limit
50	0.42	0.5	Near the limit
51	0.41	0.5	Near the limit
52	0.19	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 39, 2026
Thermal delousing4 pens
Week 37, 2026
Thermal delousing5 pens
Week 35, 2026
Thermal delousing4 pens
Week 32, 2026
Thermal delousing3 pens

Show all 43

Week 30, 2026
Freshwater treatment1 pen
Week 29, 2026
Freshwater treatment4 pens
Week 26, 2026
Mechanical delousing5 pens
Week 23, 2026
Thermal delousing5 pens
Week 17, 2026
Thermal delousing4 pens
Week 2, 2026
Medicinal bath, Freshwater treatment, Thermal delousing7 pens · Azamethiphos
Week 49, 2025
Medicinal bath1 pen · Azamethiphos
Week 45, 2025
Medicinal bath, Other treatment2 pens · Azamethiphos · Kombi - Ferskvann og Termisk
Week 5, 2025
Thermal delousing1 pen
Week 4, 2025
Thermal delousing1 pen
Week 50, 2024
Thermal delousingWhole site
Week 46, 2024
Thermal delousingWhole site
Week 43, 2024
Thermal delousing1 pen
Week 39, 2024
Thermal delousing, Freshwater treatment4 pens
Week 38, 2024
Thermal delousing2 pens
Week 36, 2024
Thermal delousing3 pens
Week 34, 2024
Thermal delousingWhole site
Week 33, 2024
Thermal delousingWhole site
Week 32, 2024
Freshwater treatment, Thermal delousing2 pens
Week 31, 2024
Thermal delousing2 pens
Week 30, 2024
Mechanical delousing1 pen
Week 29, 2024
Thermal delousing1 pen
Week 28, 2024
Thermal delousing, Mechanical delousing3 pens
Week 26, 2024
Mechanical delousing2 pens
Week 24, 2024
Thermal delousing2 pens
Week 22, 2024
Thermal delousing, Freshwater treatment5 pens
Week 20, 2024
Thermal delousing3 pens
Week 16, 2024
Mechanical delousing1 pen
Week 15, 2024
Medicinal bath, Freshwater treatment, Thermal delousing3 pens · Azamethiphos
Week 10, 2024
Thermal delousing1 pen
Week 7, 2024
Thermal delousing, Freshwater treatment2 pens
Week 6, 2024
Thermal delousing1 pen
Week 5, 2024
Medicinal bath1 pen · Azamethiphos
Week 4, 2024
Thermal delousing1 pen
Week 1, 2024
Freshwater treatment, Thermal delousing2 pens
Week 52, 2023
Other treatment1 pen · Kombi - FV og Thermisk
Week 51, 2023
Other treatment1 pen · Kombi - FV og Thermisk
Week 49, 2023
Other treatment3 pens · Thermolicer
Week 42, 2023
Other treatmentWhole site · Thermolicer

Disease

Norwegian Food Safety Authority

15 Jun 2025
Pancreas disease (PD): closedSubtype SAV3 · started 02 Dec 2024 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

17 visits in 2026

Visits are derived by us from the Coastal Administration's AIS positions: a fish carrier stationary within 500 metres of the farm for at least 30 minutes. The AIS archive lags about 17 days. A visit is not proof of infection.

Arrival	Vessel	Previous farm (14 days)	Duration
10 Sep 2026	Seigrunn	Stolane	16 h 56 min
09 Sep 2026	Seigrunn	Stolane	19 h 37 min
08 Sep 2026	Seigrunn	Stolane	7 h 54 min
26 Aug 2026	Seigrunn	Bognøy	21 h 54 min
25 Aug 2026	Seigrunn	Bognøy	13 h 45 min
08 Aug 2026	Seigrunn	Grasholmen	4 h 4 min
07 Aug 2026	Seigrunn	Grasholmen	12 h 55 min
20 Jul 2026	Seigrunn	Djupevika	3 h 40 min
19 Jul 2026	Seigrunn	Djupevika	14 h 7 min
17 Jul 2026	Seigrunn	Djupevika	22 h 48 min
07 Jun 2026	Seihav	Rongøy	17 h 45 min
05 Jun 2026	Seihav	Rongøy	43 h 32 min

Show 24 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
04 Jun 2026	Seihav	Rongøy	17 h 19 min
24 Apr 2026	Seihav	Buholmen disease or zone there	30 h 28 min
09 Jan 2026	Seihav	Ramsøy S	3 h 50 min
08 Jan 2026	Seihav	Ramsøy S	30 h 50 min
07 Jan 2026	Seihav	Ramsøy S	7 h 57 min
05 Dec 2025	Seihav	Naveide	2 h 46 min
20 Nov 2025	Mowi Star	Tveitnesvik	4 h 8 min
25 Sep 2025	Seihav	Storskrebukti	5 h 10 min
19 Sep 2024	Seihav	Sagen 2	15 h 48 min
13 Aug 2024	Seihav	Sagen 2	39 h 41 min
13 Aug 2024	Seihav	Sagen 2	2 h 43 min
12 Aug 2024	Seihav	Sagen 2	17 h 8 min
11 Aug 2024	Seihav	Sagen 2	9 h 50 min
11 Aug 2024	Seihav	Sagen 2	8 h 4 min
10 Aug 2024	Seihav	Sagen 2	12 h 26 min
02 Jun 2024	Seihav	Sagen 2	8 h 36 min
01 Jun 2024	Seihav	Sagen 2	9 h 29 min
10 Apr 2024	Seihav	Ålforo	2 h 26 min
10 Apr 2024	Seihav	Sagen 2	8 h 50 min
09 Apr 2024	Seihav	Sagen 2	1 h 47 min
13 Feb 2024	Seihav	Storoksen	23 h 16 min
29 Jan 2024	Seihav	Kvernavika	2 h 57 min
05 Jan 2024	Navoey	Djupevika	8 h 23 min
02 Jan 2024	Navoey	Djupevika	14 h 59 min

Source: Norwegian Coastal Administration (AIS) · calculated by the Salmon Ledger · updated 01 Oct 2026

Licences

Site MAB: 2,340 tonnes

Licence	Type	Capacity	Holder
H E 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS
H FJ 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS
H OR 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS
H SO 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS

Source: Directorate of Fisheries, aquaculture register · updated 01 Oct 2026