Kalvik

Site 29576 · Sørfold municipality · Production area 9, Vestfjorden og Vesterålen

Below the lice limit, week 39Operated by Mowi Seawater Norway AS · group Mowi

0.00Adult 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

1Lice treatments in 2026Latest: Mechanical delousing, week 33, 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

18Wellboat visits in 2026by 7 different vessels · latest 12 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 21–26 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	0.03	0.5	Below the limit
2	0.02	0.5	Below the limit
3	0.02	0.5	Below the limit
4	0.00	0.5	Below the limit
5	0.01	0.5	Below the limit
6	0.01	0.5	Below the limit
7	0.03	0.5	Below the limit
8	0.01	0.5	Below the limit
9	0.08	0.5	Below the limit
10	0.04	0.5	Below the limit
11	0.06	0.5	Below the limit
12	0.01	0.5	Below the limit
13	0.01	0.5	Below the limit
14	0.01	0.5	Below the limit
15	0.01	0.5	Below the limit
16	0.00	0.5	Below the limit
17	0.00	0.5	Below the limit
18	0.01	0.5	Below the limit
19	0.01	0.5	Below the limit
20	0.01	0.5	Below the limit
21	0.01	0.2	Below the limit
22	0.01	0.2	Below the limit
23	0.01	0.2	Below the limit
24	0.02	0.2	Below the limit
25	0.01	0.2	Below the limit
26	0.02	0.2	Below the limit
27	0.05	0.5	Below the limit
28	0.06	0.5	Below the limit
29	0.07	0.5	Below the limit
30	0.10	0.5	Below the limit
31	0.12	0.5	Below the limit
32	0.40	0.5	Near the limit
33	0.42	0.5	Near the limit
34	0.12	0.5	Below the limit
35	0.13	0.5	Below the limit
36	0.20	0.5	Below the limit
37	0.46	0.5	Near the limit
38	0.00	0.5	Below the limit
39	0.00	0.5	Below the limit

Earlier years

20250 of 40 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	0.05	0.5	Below the limit
3	0.09	0.5	Below the limit
4	0.09	0.5	Below the limit
5	0.23	0.5	Below the limit
6	0.13	0.5	Below the limit
7	0.21	0.5	Below the limit
8	0.11	0.5	Below the limit
9	0.11	0.5	Below the limit
10	0.04	0.5	Below the limit
11	0.06	0.5	Below the limit
12	0.06	0.5	Below the limit
13	0.05	0.5	Below the limit
14	0.04	0.5	Below the limit
15	0.05	0.5	Below the limit
16	0.06	0.5	Below the limit
17	0.06	0.5	Below the limit
18	0.02	0.5	Below the limit
19	0.04	0.5	Below the limit
20	0.06	0.5	Below the limit
21	0.07	0.2	Below the limit
22	0.13	0.2	Below the limit
23	0.13	0.2	Below the limit
24	unknown	0.2	Reported without a count
25	unknown	0.2	Reported without a count
26	unknown	0.2	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	0.00	0.5	Below the limit
36	0.00	0.5	Below the limit
37	unknown	0.5	Reported without a count
38	0.00	0.5	Below the limit
39	0.00	0.5	Below the limit
40	0.00	0.5	Below the limit
41	0.01	0.5	Below the limit
42	0.01	0.5	Below the limit
43	0.01	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.00	0.5	Below the limit
46	0.00	0.5	Below the limit
47	0.00	0.5	Below the limit
48	0.00	0.5	Below the limit
49	0.01	0.5	Below the limit
50	0.01	0.5	Below the limit
51	0.01	0.5	Below the limit
52	0.01	0.5	Below the limit

20245 of 28 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	unknown	0.5	Not reported
2	unknown	0.5	Not reported
3	unknown	0.5	Not reported
4	unknown	0.5	Not reported
5	unknown	0.5	Not reported
6	unknown	0.5	Not reported
7	unknown	0.5	Not reported
8	unknown	0.5	Not reported
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	0.5	Not reported
17	unknown	0.5	Not reported
18	unknown	0.5	Not reported
19	unknown	0.5	Not reported
20	unknown	0.5	Not reported
21	unknown	0.2	Not reported
22	unknown	0.2	Not reported
23	unknown	0.2	Not reported
24	unknown	0.2	Reported without a count
25	0.00	0.2	Below the limit
26	0.00	0.2	Below the limit
27	0.01	0.5	Below the limit
28	0.01	0.5	Below the limit
29	0.05	0.5	Below the limit
30	0.06	0.5	Below the limit
31	0.07	0.5	Below the limit
32	0.14	0.5	Below the limit
33	0.43	0.5	Near the limit
34	0.44	0.5	Near the limit
35	0.74	0.5	Above the limit
36	0.16	0.5	Below the limit
37	0.37	0.5	Below the limit
38	0.48	0.5	Near the limit
39	1.16	0.5	Above the limit
40	1.24	0.5	Above the limit
41	0.11	0.5	Below the limit
42	1.01	0.5	Above the limit
43	1.55	0.5	Above the limit
44	0.17	0.5	Below the limit
45	0.24	0.5	Below the limit
46	0.33	0.5	Below the limit
47	0.45	0.5	Near the limit
48	0.02	0.5	Below the limit
49	0.08	0.5	Below the limit
50	0.10	0.5	Below the limit
51	0.14	0.5	Below the limit
52	0.06	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 33, 2026
Mechanical delousing7 pens
Week 42, 2025
Medicinal feed8 pens · Emamectin benzoat
Week 41, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 7, 2025
Mechanical delousing1 pen

Show all 15

Week 6, 2025
Mechanical delousing1 pen
Week 48, 2024
Mechanical delousingWhole site
Week 44, 2024
Thermal delousing10 pens
Week 41, 2024
Mechanical delousing5 pens
Week 40, 2024
Mechanical delousing5 pens
Week 39, 2024
Thermal delousingWhole site
Week 36, 2024
Thermal delousingWhole site
Week 34, 2024
Thermal delousing2 pens
Week 33, 2024
Thermal delousing1 pen
Week 31, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 30, 2024
Medicinal feed, Thermal delousingWhole site · Emamectin benzoat

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

18 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
12 Sep 2026	Faeroeysund	Storevika	4 h 3 min
10 Sep 2026	Ronja Vita	Børøya Slaktemerd	4 h 38 min
09 Sep 2026	Ro North	Skauholmen	2 h 22 min
08 Sep 2026	Ro North	Hestøy	4 h 18 min
06 Sep 2026	Ro North	Hestøy	2 h 49 min
05 Sep 2026	Ro North	Hestøy	3 h 10 min
01 Sep 2026	Froey Viking	Skogsholmen	4 h 14 min
23 Aug 2026	Ronja Boroy	Kjelneset	6 h 14 min
22 Aug 2026	Ronja Heroy	Storvikneset	2 h 3 min
21 Aug 2026	Faeroeysund	Skauholmen	3 h 47 min
11 Aug 2026	Ronja Boroy	Hestøy	1 h 28 min
10 Aug 2026	Ronja Boroy	Matvika	2 h 14 min

Show 48 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
09 Aug 2026	Inter Fjord	Skauholmen	3 h 17 min
05 Jun 2026	Ronja Boroy	Kines	28 h 1 min
04 Jun 2026	Ronja Boroy	Kines	23 h 36 min
04 Jun 2026	Ronja Boroy	Kines	3 h 56 min
03 Jun 2026	Ronja Boroy	Kines	20 h 1 min
02 Jun 2026	Ronja Boroy	Kines	5 h 20 min
29 Aug 2025	Ronja Havsoy	Hestvik	8 h 59 min
27 Aug 2025	Ronja Havsoy	Hestvik	5 h 27 min
26 Aug 2025	Ronja Havsoy	Hestvik	4 h 13 min
15 Jun 2025	Ronja Havsoy	Hestøy	6 h 54 min
14 Jun 2025	Ro North	no other farm	2 h 17 min
19 May 2025	Ronja Heroy	Ramnøya N	1 h 46 min
19 May 2025	Grotanger	Holmen	3 h 24 min
18 May 2025	Ronja Heroy	Ramnøya N	2 h 11 min
04 May 2025	Ro North	Hestøy	1 h 41 min
26 Apr 2025	Grotanger	Rotvika	2 h 41 min
02 Apr 2025	Froy Jarl	Hestøy	6 h 3 min
20 Mar 2025	Froy Jarl	Hestøy	5 h 31 min
24 Feb 2025	Ronja Havsoy	Hestøy	1 h 18 min
22 Feb 2025	Ronja Havsoy	Hestøy	3 h 37 min
14 Feb 2025	Ronja Havsoy	Hestøy	2 h 26 min
11 Feb 2025	Ronja Heroy	no other farm	2 h 31 min
11 Feb 2025	Ronja Heroy	no other farm	9 h 24 min
09 Feb 2025	Ronja Heroy	no other farm	9 h 12 min
08 Feb 2025	Ronja Heroy	no other farm	6 h 0 min
08 Feb 2025	Ronja Heroy	no other farm	3 h 51 min
27 Nov 2024	Ronja Heroy	Slokkholmen Ø	21 h 7 min
26 Nov 2024	Ronja Heroy	Slokkholmen Ø	14 h 4 min
25 Nov 2024	Ronja Heroy	Slokkholmen Ø	17 h 1 min
24 Nov 2024	Ronja Heroy	Slokkholmen Ø	4 h 31 min
02 Nov 2024	Ro North	Klubben	19 h 41 min
01 Nov 2024	Ro North	Klubben	6 h 6 min
01 Nov 2024	Ro North	Klubben	12 h 6 min
30 Oct 2024	Ro North	Klubben	4 h 3 min
28 Sep 2024	Ro North	Steinflesa	11 h 10 min
06 Sep 2024	Ro North	Nedre Kvarv	14 h 14 min
05 Sep 2024	Ro North	Nedre Kvarv	20 h 13 min
19 Aug 2024	Ro North	Hestøy	5 h 51 min
18 Aug 2024	Ro North	Hestøy	5 h 56 min
25 Jul 2024	Ro North	Hestvik	6 h 4 min
24 Jul 2024	Ro North	Hestvik	13 h 14 min
22 Jul 2024	Ro North	Hestvik	38 h 13 min
11 Jun 2024	Ro North	Kines	9 h 4 min
11 Jun 2024	Ro North	Kines	46 min
11 Jun 2024	Ro North	Kines	3 h 7 min
11 Jun 2024	Ro North	Kines	2 h 53 min
10 Jun 2024	Ro North	Kines	2 h 43 min
10 Jun 2024	Ro North	Kines	3 h 32 min

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

Licences

Site MAB: 5,460 tonnes

Licence	Type	Capacity	Holder
N G 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Mowi Seawater Norway AS
N SF 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	831 t	Mowi Seawater Norway AS
N SF 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Mowi Seawater Norway AS
N SF 0011	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Mowi Seawater Norway AS
N SF 0012	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Mowi Seawater Norway AS
N SF 0013	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Mowi Seawater Norway AS
N SF 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Mowi Seawater Norway AS

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