Nautvik

Site 13221 · Stavanger municipality · Production area 2, Ryfylke

Below the lice limit, week 39Operated by Eidesvik Laks AS · group unknown

0.11Adult 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

2Lice treatments in 2026Latest: Medicinal bath, week 17, 20262026 · Norwegian Food Safety Authority · updated 01 Oct 2026

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

3Wellboat visits in 2026by 2 different vessels · latest 05 Aug 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	0.09	0.5	Below the limit
2	0.11	0.5	Below the limit
3	0.10	0.5	Below the limit
4	0.14	0.5	Below the limit
5	0.17	0.5	Below the limit
6	0.19	0.5	Below the limit
7	0.17	0.5	Below the limit
8	0.21	0.5	Below the limit
9	0.17	0.5	Below the limit
10	0.14	0.5	Below the limit
11	0.00	0.5	Below the limit
12	0.37	0.5	Below the limit
13	0.36	0.5	Below the limit
14	0.46	0.5	Near the limit
15	0.47	0.5	Near the limit
16	0.19	0.2	Near the limit
17	0.00	0.2	Below the limit
18	0.02	0.2	Below the limit
19	0.01	0.2	Below the limit
20	0.01	0.2	Below the limit
21	0.02	0.2	Below the limit
22	0.10	0.5	Below the limit
23	0.25	0.5	Below the limit
24	0.23	0.5	Below the limit
25	0.17	0.5	Below the limit
26	0.25	0.5	Below the limit
27	0.08	0.5	Below the limit
28	0.10	0.5	Below the limit
29	0.06	0.5	Below the limit
30	0.02	0.5	Below the limit
31	0.03	0.5	Below the limit
32	0.07	0.5	Below the limit
33	0.18	0.5	Below the limit
34	0.02	0.5	Below the limit
35	0.07	0.5	Below the limit
36	0.09	0.5	Below the limit
37	0.10	0.5	Below the limit
38	0.11	0.5	Below the limit
39	0.11	0.5	Below the limit

Earlier years

20250 of 32 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	0.36	0.5	Below the limit
2	0.30	0.5	Below the limit
3	0.43	0.5	Near the limit
4	0.47	0.5	Near the limit
5	0.41	0.5	Near the limit
6	0.39	0.5	Below the limit
7	0.33	0.5	Below the limit
8	0.31	0.5	Below the limit
9	0.44	0.5	Near the limit
10	0.46	0.5	Near the limit
11	0.44	0.5	Near the limit
12	0.46	0.5	Near the limit
13	0.45	0.5	Near the limit
14	0.42	0.5	Near the limit
15	0.42	0.5	Near the limit
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	0.00	0.5	Below the limit
37	0.00	0.5	Below the limit
38	0.00	0.5	Below the limit
39	0.05	0.5	Below the limit
40	0.10	0.5	Below the limit
41	0.10	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.00	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.00	0.5	Below the limit
46	0.04	0.5	Below the limit
47	0.00	0.5	Below the limit
48	0.01	0.5	Below the limit
49	0.01	0.5	Below the limit
50	0.09	0.5	Below the limit
51	0.09	0.5	Below the limit
52	0.06	0.5	Below the limit

20244 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	0.00	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.00	0.5	Below the limit
4	0.07	0.5	Below the limit
5	0.09	0.5	Below the limit
6	0.10	0.5	Below the limit
7	0.11	0.5	Below the limit
8	0.16	0.5	Below the limit
9	0.26	0.5	Below the limit
10	0.21	0.5	Below the limit
11	0.19	0.5	Below the limit
12	0.26	0.5	Below the limit
13	0.09	0.5	Below the limit
14	0.37	0.5	Below the limit
15	0.20	0.5	Below the limit
16	0.19	0.2	Near the limit
17	0.29	0.2	Above the limit
18	0.00	0.2	Below the limit
19	0.01	0.2	Below the limit
20	0.00	0.2	Below the limit
21	0.02	0.2	Below the limit
22	0.16	0.5	Below the limit
23	0.16	0.5	Below the limit
24	0.20	0.5	Below the limit
25	0.17	0.5	Below the limit
26	0.12	0.5	Below the limit
27	0.20	0.5	Below the limit
28	0.16	0.5	Below the limit
29	0.27	0.5	Below the limit
30	0.46	0.5	Near the limit
31	0.44	0.5	Near the limit
32	0.42	0.5	Near the limit
33	2.84	0.5	Above the limit
34	2.73	0.5	Above the limit
35	3.16	0.5	Above the limit
36	0.12	0.5	Below the limit
37	0.21	0.5	Below the limit
38	0.27	0.5	Below the limit
39	0.22	0.5	Below the limit
40	0.39	0.5	Below the limit
41	0.43	0.5	Near the limit
42	0.46	0.5	Near the limit
43	0.40	0.5	Near the limit
44	0.43	0.5	Near the limit
45	0.41	0.5	Near the limit
46	0.47	0.5	Near the limit
47	0.44	0.5	Near the limit
48	0.41	0.5	Near the limit
49	0.43	0.5	Near the limit
50	0.48	0.5	Near the limit
51	0.33	0.5	Below the limit
52	0.28	0.5	Below the limit

20230 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	0.00	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.00	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.00	0.5	Below the limit
46	0.04	0.5	Below the limit
47	0.19	0.5	Below the limit
48	0.11	0.5	Below the limit
49	0.00	0.5	Below the limit
50	0.03	0.5	Below the limit
51	0.07	0.5	Below the limit
52	0.03	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 17, 2026
Medicinal bathAzametiphos
Week 16, 2026
Thermal delousing, Freshwater treatment4 pens
Week 5, 2025
Freshwater treatment2 pens
Week 36, 2024
Thermal delousing, Freshwater treatmentWhole site

Show all 5

Week 18, 2024
Medicinal bathWhole site · Azamethiphos

Disease

Norwegian Food Safety Authority

No cases in the Food Safety Authority's register of notifiable diseases (since 26 Nov 2024).

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

3 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
05 Aug 2026	Rostein	Drøno	1 h 42 min
16 Apr 2026	Ro Venture	Lingaholmane	3 h 58 min
15 Apr 2026	Ro Venture	Lingaholmane	13 h 24 min
29 Oct 2025	Seifjell	Langevågen	3 h 57 min
12 Oct 2025	Mowi Star	Langevågen	1 h 2 min
29 Aug 2025	Seifjell	Langevågen	2 h 17 min
29 Apr 2025	Namsos	Øklandsvågen	3 h 32 min
25 Apr 2025	Namsos	Porsvika	4 h 28 min
24 Mar 2025	Namsos	Tveitnes	2 h 31 min
31 Jan 2025	Namsos	Langevågen	2 h 11 min
29 Jan 2025	Namsos	Kastevika	22 h 49 min
28 Jan 2025	Namsos	Kastevika	48 min

Show 13 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
24 Jan 2025	Namsos	Tveitnes	2 h 0 min
02 Jan 2025	Namsos	Jibbersholmane	2 h 15 min
17 Dec 2024	Namsos	Haugsnesvåg	3 h 49 min
17 Dec 2024	Namsos	Haugsnesvåg	2 h 41 min
17 Dec 2024	Namsos	Haugsnesvåg	3 h 32 min
16 Dec 2024	Namsos	Haugsnesvåg	3 h 10 min
06 Dec 2024	Namsos	Øklandsvågen	2 h 35 min
22 Nov 2024	Namsos	Klammerholmen disease or zone there	6 h 56 min
21 Nov 2024	Namsos	Klammerholmen disease or zone there	6 h 35 min
20 Nov 2024	Namsos	Klammerholmen disease or zone there	16 h 29 min
07 Sep 2024	Ro Venture	Guleskjeret	18 h 30 min
06 Sep 2024	Ro Venture	Guleskjeret	9 h 27 min
05 Sep 2024	Ro Venture	Guleskjeret	13 h 28 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
R F 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Eidesvik Laks AS
R S 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	386 t	Eidesvik Laks AS
R SD 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Eidesvik Laks AS
R SD 0011	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Eidesvik Laks AS

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