Storvikbukta

Site 10421 · Nærøysund municipality · Production area 7, Nord-Trøndelag med Bindal

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 27 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

3Lice treatments in 2026Latest: Mechanical delousing, week 23, 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

12Wellboat visits in 2026by 3 different vessels · latest 05 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported318 salmon, September 2020Since 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	0.01	0.5	Below the limit
2	0.01	0.5	Below the limit
3	0.00	0.5	Below the limit
4	0.04	0.5	Below the limit
5	0.04	0.5	Below the limit
6	0.01	0.5	Below the limit
7	0.00	0.5	Below the limit
8	0.01	0.5	Below the limit
9	0.01	0.5	Below the limit
10	0.02	0.5	Below the limit
11	0.05	0.5	Below the limit
12	0.01	0.5	Below the limit
13	0.01	0.5	Below the limit
14	0.05	0.5	Below the limit
15	0.05	0.5	Below the limit
16	0.06	0.2	Below the limit
17	0.05	0.2	Below the limit
18	0.06	0.2	Below the limit
19	0.11	0.2	Below the limit
20	0.19	0.2	Near the limit
21	0.06	0.2	Below the limit
22	0.05	0.5	Below the limit
23	0.00	0.5	Below the limit
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	0.00	0.5	Below the limit

Earlier years

20250 of 38 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	0.07	0.5	Below the limit
2	0.15	0.5	Below the limit
3	0.26	0.5	Below the limit
4	0.26	0.5	Below the limit
5	0.06	0.5	Below the limit
6	0.13	0.5	Below the limit
7	0.11	0.5	Below the limit
8	0.07	0.5	Below the limit
9	0.06	0.5	Below the limit
10	0.14	0.5	Below the limit
11	0.13	0.5	Below the limit
12	0.14	0.5	Below the limit
13	0.14	0.5	Below the limit
14	0.16	0.5	Below the limit
15	0.17	0.5	Below the limit
16	0.19	0.2	Near the limit
17	0.12	0.2	Below the limit
18	0.01	0.2	Below the limit
19	0.01	0.2	Below the limit
20	0.03	0.2	Below the limit
21	0.06	0.2	Below the limit
22	0.17	0.5	Below the limit
23	unknown	0.5	Reported without a count
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	Reported without a count
37	0.00	0.5	Below the limit
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	0.00	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	0.01	0.5	Below the limit
46	0.00	0.5	Below the limit
47	0.01	0.5	Below the limit
48	0.01	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	0.02	0.5	Below the limit

20240 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, 2024
Week	Adult female lice per fish	Lice limit	Status
1	0.06	0.5	Below the limit
2	0.06	0.5	Below the limit
3	0.05	0.5	Below the limit
4	0.07	0.5	Below the limit
5	0.09	0.5	Below the limit
6	0.05	0.5	Below the limit
7	0.06	0.5	Below the limit
8	0.03	0.5	Below the limit
9	0.04	0.5	Below the limit
10	0.07	0.5	Below the limit
11	0.08	0.5	Below the limit
12	0.05	0.5	Below the limit
13	0.06	0.5	Below the limit
14	0.14	0.5	Below the limit
15	0.13	0.5	Below the limit
16	0.14	0.2	Below the limit
17	0.11	0.2	Below the limit
18	0.15	0.2	Below the limit
19	0.16	0.2	Below the limit
20	0.10	0.2	Below the limit
21	0.14	0.2	Below the limit
22	0.11	0.5	Below the limit
23	0.21	0.5	Below the limit
24	0.34	0.5	Below the limit
25	unknown	0.5	Reported without a count
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	0.00	0.5	Below the limit
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	0.00	0.5	Below the limit
42	0.08	0.5	Below the limit
43	0.11	0.5	Below the limit
44	0.11	0.5	Below the limit
45	0.16	0.5	Below the limit
46	0.19	0.5	Below the limit
47	0.07	0.5	Below the limit
48	0.12	0.5	Below the limit
49	0.12	0.5	Below the limit
50	0.06	0.5	Below the limit
51	0.06	0.5	Below the limit
52	0.13	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	0.06	0.5	Below the limit
42	0.09	0.5	Below the limit
43	0.12	0.5	Below the limit
44	0.06	0.5	Below the limit
45	0.07	0.5	Below the limit
46	0.09	0.5	Below the limit
47	0.04	0.5	Below the limit
48	0.05	0.5	Below the limit
49	0.04	0.5	Below the limit
50	0.04	0.5	Below the limit
51	0.06	0.5	Below the limit
52	0.06	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 23, 2026
Mechanical delousingWhole site
Week 21, 2026
Mechanical delousing, Thermal delousing7 pens
Week 46, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 45, 2025
Medicinal feedWhole site · Emamectin benzoat

Show all 15

Week 23, 2025
Mechanical delousingWhole site
Week 18, 2025
Thermal delousing4 pens
Week 17, 2025
Thermal delousing3 pens
Week 5, 2025
Thermal delousingWhole site
Week 42, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 41, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 40, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 25, 2024
Mechanical delousingWhole site
Week 24, 2024
Mechanical delousing1 pen
Week 41, 2023
Medicinal feedWhole site · Emamectin benzoat
Week 40, 2023
Medicinal feedWhole 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

09 Sep 2020
318 salmon escapedCause: Ukjent på nåværende tidspunkt. · recaptured 1 · Directorate of Fisheries

Wellboat visits

12 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 Sep 2026	Ronja Havsoy	Kalvhagan II	5 h 45 min
04 Sep 2026	Ronja Havsoy	Kalvhagan II	1 h 58 min
04 Sep 2026	Ronja Havsoy	Kalvhagan II	1 h 7 min
07 Jun 2026	Ronja Heroy	Gyltneset	1 h 57 min
07 Jun 2026	Ronja Heroy	Gyltneset	2 h 0 min
06 Jun 2026	Ronja Heroy	Gyltneset	2 h 37 min
06 Jun 2026	Ronja Heroy	Gyltneset	2 h 58 min
05 Jun 2026	Ronja Heroy	Gyltneset	2 h 16 min
05 Jun 2026	Ronja Heroy	Gyltneset	3 h 59 min
04 Jun 2026	Ronja Heroy	Kjelneset	4 h 33 min
19 May 2026	Ronja Boroy	Renga S	23 h 32 min
18 May 2026	Ronja Boroy	Renga S	17 h 20 min

Show 14 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
04 Sep 2025	Ronja Havsoy	Kalvik	13 h 56 min
03 Sep 2025	Ronja Havsoy	Kalvik	6 h 42 min
02 Sep 2025	Ronja Havsoy	Kalvik	1 h 59 min
01 Sep 2025	Ronja Havsoy	Kalvik	2 h 56 min
28 Apr 2025	Ro North	Kalvhagan II	17 h 55 min
27 Apr 2025	Ro North	Kalvhagan II	17 h 44 min
02 Feb 2025	Ro North	Jakobsteinsvika	5 h 15 min
01 Feb 2025	Ro North	Jakobsteinsvika	8 h 44 min
30 Jan 2025	Ro North	Jakobsteinsvika	16 h 30 min
09 Sep 2024	Ronja Havsoy	Bjørgan	5 h 29 min
08 Sep 2024	Ronja Havsoy	Bjørgan	56 min
08 Sep 2024	Ronja Havsoy	Bjørgan	1 h 54 min
07 Sep 2024	Ronja Havsoy	Bjørgan	1 h 50 min
18 Jun 2024	Ronja Heroy	Kjelneset	3 h 10 min

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

Licences

Site MAB: 3,120 tonnes

Licence	Type	Capacity	Holder
NT NR 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
NT NR 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
NT NR 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
NT NR 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS

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