Durmålsvika

Site 35237 · Senja municipality · Production area 10, Andøya til Senja

Below the lice limit, week 39Operated by Salaks Produksjon AS · group unknown

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

0Lice treatments in 2026None recorded2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

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

16Wellboat visits in 2026by 2 different vessels · latest 09 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1 salmon, July 2016Since 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	0.02	0.5	Below the limit
2	0.02	0.5	Below the limit
3	0.02	0.5	Below the limit
4	0.03	0.5	Below the limit
5	0.03	0.5	Below the limit
6	0.03	0.5	Below the limit
7	0.03	0.5	Below the limit
8	0.03	0.5	Below the limit
9	0.03	0.5	Below the limit
10	0.03	0.5	Below the limit
11	0.03	0.5	Below the limit
12	0.03	0.5	Below the limit
13	0.03	0.5	Below the limit
14	0.03	0.5	Below the limit
15	0.04	0.5	Below the limit
16	0.03	0.5	Below the limit
17	0.02	0.5	Below the limit
18	0.04	0.5	Below the limit
19	0.03	0.5	Below the limit
20	0.02	0.5	Below the limit
21	0.04	0.2	Below the limit
22	0.03	0.2	Below the limit
23	0.03	0.2	Below the limit
24	0.01	0.2	Below the limit
25	unknown	0.2	Not reported
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	unknown	0.5	Not reported
36	unknown	0.5	Not reported
37	unknown	0.5	Reported without a count
38	unknown	0.5	Reported without a count
39	0.00	0.5	Below the limit

Earlier years

20252 of 50 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	0.00	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.01	0.5	Below the limit
4	0.02	0.5	Below the limit
5	0.01	0.5	Below the limit
6	0.07	0.5	Below the limit
7	0.01	0.5	Below the limit
8	0.03	0.5	Below the limit
9	0.08	0.5	Below the limit
10	0.23	0.5	Below the limit
11	0.10	0.5	Below the limit
12	0.21	0.5	Below the limit
13	0.17	0.5	Below the limit
14	0.35	0.5	Below the limit
15	unknown	0.5	Not reported
16	0.24	0.5	Below the limit
17	0.18	0.5	Below the limit
18	0.16	0.5	Below the limit
19	unknown	0.5	Not reported
20	0.15	0.5	Below the limit
21	0.11	0.2	Below the limit
22	0.09	0.2	Below the limit
23	0.07	0.2	Below the limit
24	0.10	0.2	Below the limit
25	0.16	0.2	Below the limit
26	0.02	0.2	Below the limit
27	0.06	0.5	Below the limit
28	0.03	0.5	Below the limit
29	0.08	0.5	Below the limit
30	0.05	0.5	Below the limit
31	0.12	0.5	Below the limit
32	0.32	0.5	Below the limit
33	0.04	0.5	Below the limit
34	0.05	0.5	Below the limit
35	0.13	0.5	Below the limit
36	0.33	0.5	Below the limit
37	0.02	0.5	Below the limit
38	0.13	0.5	Below the limit
39	0.33	0.5	Below the limit
40	0.34	0.5	Below the limit
41	0.71	0.5	Above the limit
42	1.25	0.5	Above the limit
43	0.10	0.5	Below the limit
44	0.23	0.5	Below the limit
45	0.33	0.5	Below the limit
46	0.30	0.5	Below the limit
47	0.46	0.5	Near the limit
48	0.30	0.5	Below the limit
49	0.18	0.5	Below the limit
50	0.03	0.5	Below the limit
51	0.02	0.5	Below the limit
52	0.02	0.5	Below the limit

20240 of 25 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	0.13	0.5	Below the limit
2	0.07	0.5	Below the limit
3	0.08	0.5	Below the limit
4	unknown	0.5	Reported without a count
5	0.09	0.5	Below the limit
6	unknown	0.5	Reported without a count
7	0.18	0.5	Below the limit
8	unknown	0.5	Reported without a count
9	0.27	0.5	Below the limit
10	unknown	0.5	Reported without a count
11	0.28	0.5	Below the limit
12	unknown	0.5	Reported without a count
13	0.29	0.5	Below the limit
14	unknown	0.5	Reported without a count
15	0.13	0.5	Below the limit
16	unknown	0.5	Reported without a count
17	0.20	0.5	Below the limit
18	0.20	0.5	Below the limit
19	0.14	0.5	Below the limit
20	0.20	0.5	Below the limit
21	0.16	0.2	Below the limit
22	0.16	0.2	Below the limit
23	0.11	0.2	Below the limit
24	0.09	0.2	Below the limit
25	0.12	0.2	Below the limit
26	unknown	0.2	Reported without a count
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	unknown	0.5	Not reported
38	unknown	0.5	Not reported
39	unknown	0.5	Not reported
40	unknown	0.5	Not reported
41	unknown	0.5	Not reported
42	unknown	0.5	Not reported
43	unknown	0.5	Not reported
44	unknown	0.5	Not reported
45	unknown	0.5	Not reported
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	0.00	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.00	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	0.11	0.5	Below the limit
41	0.22	0.5	Below the limit
42	0.27	0.5	Below the limit
43	0.05	0.5	Below the limit
44	0.15	0.5	Below the limit
45	0.19	0.5	Below the limit
46	0.29	0.5	Below the limit
47	0.32	0.5	Below the limit
48	0.35	0.5	Below the limit
49	0.47	0.5	Near the limit
50	0.07	0.5	Below the limit
51	0.08	0.5	Below the limit
52	0.13	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 49, 2025
Other treatmentWhole site · Ferskvann med ThermoLicer
Week 43, 2025
Mechanical delousingWhole site
Week 37, 2025
Other treatment6 pens · Ferskvann med ThermoLicer · ThermoLicer
Week 33, 2025
Other treatmentWhole site · ThermoLicer

Show all 9

Week 31, 2025
Other treatment2 pens · Ferskvann med ThermoLicer
Week 26, 2025
Other treatment5 pens · Ferskvann med ThermoLicer
Week 50, 2023
Other treatment5 pens · Optiflush
Week 49, 2023
Other treatment2 pens · Ferskvannsbehandling
Week 43, 2023
Other treatment6 pens · Hydrolicer

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

30 Jul 2016
1 salmon escapedCause: Håndtering · recaptured 1 · Directorate of Fisheries

Wellboat visits

16 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
09 Sep 2026	Caspian	Bjørnstein	1 h 9 min
08 Sep 2026	Caspian	Bjørnstein	2 h 2 min
21 Jun 2026	Grotanger	Brattberg	3 h 30 min
15 Jun 2026	Caspian	Jekteberget	2 h 11 min
12 Jun 2026	Grotanger	Salangslia	2 h 46 min
08 Jun 2026	Grotanger	Alsvåg	1 h 35 min
06 Jun 2026	Grotanger	Jennskarbotn	2 h 5 min
31 May 2026	Grotanger	Holmen	3 h 49 min
30 May 2026	Grotanger	Rotvika	1 h 39 min
07 May 2026	Grotanger	Skauholmen	2 h 49 min
02 May 2026	Grotanger	Brattberg	2 h 27 min
26 Apr 2026	Grotanger	Alsvåg	3 h 42 min

Show 37 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
19 Apr 2026	Caspian	Alsvåg	2 h 24 min
11 Apr 2026	Caspian	Brattberg	3 h 14 min
07 Mar 2026	Caspian	Breivoll	1 h 48 min
01 Mar 2026	Caspian	Rotvika	1 h 47 min
08 Dec 2025	Grotanger	Rotvika	18 h 40 min
07 Dec 2025	Grotanger	Rotvika	11 h 55 min
06 Dec 2025	Grotanger	Rotvika	21 h 33 min
05 Dec 2025	Grotanger	Rotvika	10 h 49 min
04 Dec 2025	Grotanger	Rotvika	11 h 42 min
03 Dec 2025	Grotanger	Rotvika	11 h 23 min
02 Dec 2025	Grotanger	Rotvika	13 h 43 min
01 Dec 2025	Grotanger	Rotvika	11 h 1 min
30 Nov 2025	Grotanger	Rotvika	13 h 33 min
24 Oct 2025	Caspian	Børøya Slaktemerd	20 h 21 min
23 Oct 2025	Caspian	Børøya Slaktemerd	20 h 12 min
22 Oct 2025	Caspian	Børøya Slaktemerd	14 h 58 min
14 Aug 2025	Grotanger	Brattberg	21 h 54 min
13 Aug 2025	Grotanger	Brattberg	14 h 24 min
28 Jul 2025	Grotanger	Brattberg	8 h 58 min
27 Jun 2025	Grotanger	Gjervika	11 h 19 min
26 Jun 2025	Grotanger	Gjervika	17 h 21 min
25 Jun 2025	Grotanger	Gjervika	9 h 14 min
03 Dec 2024	Viknatrans	Gregusvika	2 h 31 min
02 Dec 2024	Viknatrans	Gregusvika	2 h 25 min
01 Dec 2024	Viknatrans	Gregusvika	3 h 50 min
30 Nov 2024	Viknatrans	Gregusvika	2 h 51 min
11 Nov 2024	Viknatrans	Soløya	6 h 20 min
10 Nov 2024	Viknatrans	Soløya	2 h 5 min
10 Nov 2024	Viknatrans	Soløya	1 h 10 min
09 Nov 2024	Viknatrans	Soløya	2 h 36 min
08 Jul 2024	Ro Sailor	Mulen	3 h 12 min
06 Jul 2024	Aasvaerfjord	Klubben	4 h 55 min
03 Jul 2024	Grotanger	Klubben	11 h 21 min
03 Jul 2024	Grotanger	Klubben	2 h 33 min
02 Jul 2024	Grotanger	Sjåneset	3 h 56 min
29 Jun 2024	Aasvaerfjord	Klubben	10 h 30 min
28 Jun 2024	Aasvaerfjord	Klubben	3 h 2 min

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

Who has reported

The companies that have submitted lice counts for this site, with the first and last week.

Company	From	To
Salmar Oppdrett AS	Week 40, 2023	Week 26, 2024
Salaks Produksjon AS	Week 46, 2024	Week 39, 2026

Source: Norwegian Food Safety Authority (organisation number on each lice report)

Licences

Site MAB: 5,670 tonnes

Licence	Type	Capacity	Holder
T D 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,022 t	Salmar Oppdrett AS
T D 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,022 t	Salmar Oppdrett AS
T D 0011	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,022 t	Salmar Oppdrett AS
T D 0012	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,022 t	Salmar Oppdrett AS
T D 0013	Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout	974 t	Salmar Oppdrett AS
T SL 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Salaks Produksjon AS
T T 0003	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	974 t	Salmar Oppdrett AS
T T 0007	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	974 t	Salmar Oppdrett AS
T TK 0021	Undervisning / matfiskSalmon, Rainbow trout, Trout	780 t	Troms Fylkeskommune
T TN 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,021 t	Salmar Oppdrett AS
T TN 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,021 t	Salmar Oppdrett AS

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