Marøya

Site 10611 · Loppa municipality · Production area 12, Vest-Finnmark

Below the lice limit, week 39Operated by Cermaq Norway Salmon AS · group Cermaq

0.13Adult 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 38 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

4Lice 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

12Wellboat visits in 2026by 4 different vessels · latest 08 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	unknown	0.5	Reported without a count
2	0.02	0.5	Below the limit
3	0.05	0.5	Below the limit
4	0.01	0.5	Below the limit
5	0.11	0.5	Below the limit
6	0.00	0.5	Below the limit
7	0.01	0.5	Below the limit
8	0.03	0.5	Below the limit
9	0.01	0.5	Below the limit
10	0.01	0.5	Below the limit
11	0.01	0.5	Below the limit
12	0.01	0.5	Below the limit
13	0.00	0.5	Below the limit
14	0.00	0.5	Below the limit
15	0.00	0.5	Below the limit
16	0.00	0.5	Below the limit
17	0.00	0.5	Below the limit
18	0.00	0.5	Below the limit
19	0.00	0.5	Below the limit
20	0.00	0.5	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.2	Below the limit
23	0.00	0.2	Below the limit
24	0.00	0.2	Below the limit
25	0.01	0.2	Below the limit
26	0.03	0.2	Below the limit
27	0.05	0.5	Below the limit
28	0.09	0.5	Below the limit
29	0.09	0.5	Below the limit
30	0.08	0.5	Below the limit
31	0.05	0.5	Below the limit
32	0.06	0.5	Below the limit
33	0.12	0.5	Below the limit
34	0.06	0.5	Below the limit
35	0.08	0.5	Below the limit
36	0.07	0.5	Below the limit
37	0.13	0.5	Below the limit
38	0.03	0.5	Below the limit
39	0.13	0.5	Below the limit

Earlier years

20250 of 29 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	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	Reported without a count
20	0.00	0.5	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.2	Below the limit
23	0.00	0.2	Below the limit
24	0.00	0.2	Below the limit
25	0.00	0.2	Below the limit
26	0.00	0.2	Below the limit
27	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.00	0.5	Below the limit
34	unknown	0.5	Reported without a count
35	unknown	0.5	Not reported
36	unknown	0.5	Not reported
37	unknown	0.5	Not reported
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	0.02	0.5	Below the limit
42	0.02	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	0.00	0.5	Below the limit
49	0.08	0.5	Below the limit
50	0.06	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.00	0.5	Below the limit

20243 of 29 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	0.12	0.5	Below the limit
2	0.13	0.5	Below the limit
3	0.16	0.5	Below the limit
4	unknown	0.5	Reported without a count
5	0.10	0.5	Below the limit
6	unknown	0.5	Reported without a count
7	0.12	0.5	Below the limit
8	unknown	0.5	Reported without a count
9	0.10	0.5	Below the limit
10	unknown	0.5	Reported without a count
11	0.18	0.5	Below the limit
12	unknown	0.5	Reported without a count
13	0.20	0.5	Below the limit
14	unknown	0.5	Reported without a count
15	0.17	0.5	Below the limit
16	unknown	0.5	Reported without a count
17	0.23	0.5	Below the limit
18	unknown	0.5	Reported without a count
19	0.18	0.5	Below the limit
20	0.22	0.5	Below the limit
21	0.16	0.2	Below the limit
22	0.08	0.2	Below the limit
23	0.06	0.2	Below the limit
24	0.06	0.2	Below the limit
25	0.07	0.2	Below the limit
26	0.09	0.2	Below the limit
27	0.05	0.5	Below the limit
28	0.08	0.5	Below the limit
29	0.04	0.5	Below the limit
30	0.08	0.5	Below the limit
31	0.07	0.5	Below the limit
32	0.17	0.5	Below the limit
33	0.94	0.5	Above the limit
34	1.07	0.5	Above the limit
35	1.36	0.5	Above the limit
36	0.45	0.5	Near the limit
37	0.10	0.5	Below the limit
38	unknown	0.5	Reported without a count
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	unknown	0.5	Not reported
47	unknown	0.5	Not reported
48	unknown	0.5	Not reported
49	unknown	0.5	Not reported
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

20230 of 4 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	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	unknown	0.5	Not reported
47	unknown	0.5	Not reported
48	unknown	0.5	Not reported
49	0.06	0.5	Below the limit
50	0.10	0.5	Below the limit
51	0.11	0.5	Below the limit
52	0.13	0.5	Below the limit

20220 of 1 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, 2022
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	Not reported
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	Not reported
38	unknown	0.5	Not reported
39	0.21	0.5	Below the limit
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	unknown	0.5	Not reported
47	unknown	0.5	Not reported
48	unknown	0.5	Not reported
49	unknown	0.5	Not reported
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

Treatments

Norwegian Food Safety Authority

Week 33, 2026
Mechanical delousing9 pens
Week 30, 2026
Thermal delousing, Mechanical delousing11 pens
Week 6, 2026
Thermal delousing3 pens
Week 51, 2025
Other treatment, Mechanical delousing8 pens · Termolicer+ etterspyling

Show all 14

Week 47, 2025
Medicinal feed1 pen · Emamectin benzoat
Week 46, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 45, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 44, 2025
Thermal delousing, Other treatment7 pens · Termolicer+ etterspyling
Week 38, 2025
Thermal delousingWhole site
Week 37, 2024
Other treatment3 pens · Hydrolicer
Week 36, 2024
Other treatmentWhole site · Hydrolicer
Week 35, 2024
Other treatmentWhole site · Termolicer+ etterspyling
Week 22, 2024
Other treatment1 pen · Termolicer
Week 21, 2024
Other treatment6 pens · Termolicer+ etterspyling, Termolicer

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

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
08 Sep 2026	Doennland	Rypefjord	2 h 44 min
07 Sep 2026	Doennland	Skaret	1 h 40 min
06 Sep 2026	Doennland	Skaret	1 h 45 min
05 Sep 2026	Doennland	Ytre Simanes	4 h 12 min
16 Aug 2026	Ro Sunrise	Vassvika	31 h 28 min
15 Aug 2026	Ro Sunrise	Vassvika	9 h 1 min
15 Aug 2026	Ro Sunrise	Vassvika	10 h 35 min
14 Aug 2026	Ro Sunrise	Vassvika	5 h 6 min
25 Jul 2026	Ro Sunrise	Rypefjord	20 h 5 min
24 Jul 2026	Ro Fortune	Vegglandet	19 h 36 min
23 Jul 2026	Ro Fortune	Vegglandet	17 h 34 min
02 Feb 2026	Ro Arctic	Skaret	9 h 1 min

Show 43 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
19 Dec 2025	Ro Arctic	Kvenbukta V	23 h 34 min
29 Oct 2025	Ro Arctic	Vassvika	3 h 2 min
28 Oct 2025	Ro Arctic	Vassvika	18 h 49 min
27 Oct 2025	Ro Arctic	Vassvika	5 h 20 min
02 Oct 2025	Ro Chief	Hammer	1 h 18 min
30 Sep 2025	Ro Chief	Hammer	6 h 10 min
17 Sep 2025	Ro Arctic	Hundbergan	1 h 13 min
17 Sep 2025	Ro Arctic	Hundbergan	1 h 27 min
17 Sep 2025	Ro Arctic	Hundbergan	1 h 17 min
16 Sep 2025	Ro Arctic	Hundbergan	1 h 25 min
16 Sep 2025	Ro Arctic	Hundbergan	1 h 17 min
25 Sep 2024	Doennland	Rypefjord	3 h 54 min
13 Sep 2024	Rohav	Rypefjord	50 min
12 Sep 2024	Doennland	Rypefjord	1 h 54 min
11 Sep 2024	Doennland	Rypefjord	3 h 8 min
10 Sep 2024	Doennland	Rypefjord	2 h 1 min
10 Sep 2024	Steigen	Klubben	4 h 10 min
09 Sep 2024	Doennland	Rypefjord	2 h 10 min
08 Sep 2024	Steigen	Klubben	2 h 24 min
08 Sep 2024	Doennland	Rypefjord	2 h 18 min
07 Sep 2024	Steigen	Toknebuktneset	2 h 17 min
06 Sep 2024	Rohav	Rypefjord	1 h 30 min
06 Sep 2024	Doennland	Rypefjord	3 h 0 min
04 Sep 2024	Rohav	Rypefjord	59 min
04 Sep 2024	Doennland	Rypefjord	1 h 59 min
03 Sep 2024	Rohav	Rypefjord	1 h 41 min
03 Sep 2024	Ro Arctic	Hundbergan	2 h 54 min
02 Sep 2024	Doennland	Rypefjord	5 h 35 min
02 Sep 2024	Ro Arctic	Hundbergan	2 h 21 min
02 Sep 2024	Doennland	Skjervøy	3 h 22 min
30 Aug 2024	Doennland	Rypefjord	1 h 58 min
29 Aug 2024	Doennland	Rypefjord	1 h 50 min
28 Aug 2024	Doennland	Rypefjord	3 h 47 min
28 Aug 2024	Ro Arctic	Skjervøy	9 h 33 min
22 Aug 2024	Doennland	Rypefjord	45 min
13 Aug 2024	Doennland	Rypefjord	1 h 8 min
12 Aug 2024	Doennland	Rypefjord	2 h 0 min
08 Aug 2024	Doennland	Rypefjord	2 h 17 min
06 Jun 2024	Tonny	Storskjæret	1 h 24 min
26 May 2024	Ro Fortune	Oksøy	7 h 48 min
25 May 2024	Ro Fortune	Oksøy	26 h 59 min
23 May 2024	Ro Fortune	Oksøy	8 h 45 min
23 May 2024	Ro Fortune	Oksøy	4 h 14 min

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

Licences

Site MAB: 7,560 tonnes

Licence	Type	Capacity	Holder
F A 0054	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	984 t	Cermaq Norway Salmon AS
F A 0061	Kommersiell / matfisk-grønn aSalmon, Rainbow trout, Trout	984 t	Cermaq Norway Salmon AS
F H 0020	Kommersiell / matfiskSalmon, Rainbow trout, Trout	984 t	Cermaq Norway Salmon AS
F H 0021	Kommersiell / matfiskSalmon, Rainbow trout, Trout	984 t	Cermaq Norway Salmon AS
F H 0022	Kommersiell / matfiskSalmon, Rainbow trout, Trout	984 t	Cermaq Norway Salmon AS
F L 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	984 t	Cermaq Norway Salmon AS
F L 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	984 t	Cermaq Norway Salmon AS
F L 0021	Kommersiell / matfiskSalmon, Rainbow trout, Trout	984 t	Cermaq Norway Salmon AS
F M 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	984 t	Cermaq Norway Salmon AS
F M 0021	Kommersiell / matfiskSalmon, Rainbow trout, Trout	984 t	Cermaq Norway Salmon AS
F M 0023	Kommersiell / matfiskSalmon, Rainbow trout, Trout	984 t	Cermaq Norway Salmon AS
TF A 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	863 t	Cermaq Norway Salmon AS
TF A 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	861 t	Cermaq Norway Salmon AS
TF A 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	861 t	Cermaq Norway Salmon AS
TF A 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	861 t	Cermaq Norway Salmon AS
TF A 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	861 t	Cermaq Norway Salmon AS

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