Kvingra

Site 36457 · Leka municipality · Production area 7, Nord-Trøndelag med Bindal

Below the lice limit, week 39Operated by Salmar Oppdrett AS · group SalMar

0.23Adult 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 18 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

4Lice treatments in 2026Latest: Mechanical delousing, week 38, 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

14Wellboat visits in 2026by 3 different vessels · latest 11 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 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	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	0.2	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	0.00	0.5	Below the limit
23	0.00	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.00	0.5	Below the limit
26	0.00	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.03	0.5	Below the limit
29	0.25	0.5	Below the limit
30	0.07	0.5	Below the limit
31	0.06	0.5	Below the limit
32	0.10	0.5	Below the limit
33	0.08	0.5	Below the limit
34	0.18	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.33	0.5	Below the limit
37	0.20	0.5	Below the limit
38	0.10	0.5	Below the limit
39	0.23	0.5	Below the limit

Earlier years

20251 of 45 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	0.16	0.5	Below the limit
2	0.14	0.5	Below the limit
3	0.26	0.5	Below the limit
4	0.21	0.5	Below the limit
5	0.16	0.5	Below the limit
6	0.31	0.5	Below the limit
7	0.22	0.5	Below the limit
8	0.33	0.5	Below the limit
9	0.26	0.5	Below the limit
10	0.30	0.5	Below the limit
11	0.34	0.5	Below the limit
12	0.35	0.5	Below the limit
13	0.08	0.5	Below the limit
14	0.07	0.5	Below the limit
15	0.02	0.5	Below the limit
16	0.04	0.2	Below the limit
17	0.06	0.2	Below the limit
18	0.07	0.2	Below the limit
19	0.07	0.2	Below the limit
20	0.12	0.2	Below the limit
21	0.09	0.2	Below the limit
22	0.13	0.5	Below the limit
23	0.22	0.5	Below the limit
24	0.48	0.5	Near the limit
25	0.10	0.5	Below the limit
26	0.14	0.5	Below the limit
27	0.14	0.5	Below the limit
28	unknown	0.5	Reported without a count
29	0.44	0.5	Near the limit
30	0.38	0.5	Below the limit
31	0.24	0.5	Below the limit
32	0.40	0.5	Near the limit
33	0.47	0.5	Near the limit
34	0.45	0.5	Near the limit
35	0.28	0.5	Below the limit
36	0.25	0.5	Below the limit
37	0.06	0.5	Below the limit
38	0.27	0.5	Below the limit
39	0.35	0.5	Below the limit
40	0.23	0.5	Below the limit
41	0.47	0.5	Near the limit
42	1.07	0.5	Above the limit
43	0.12	0.5	Below the limit
44	0.39	0.5	Below the limit
45	0.25	0.5	Below the limit
46	0.28	0.5	Below the limit
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

20240 of 19 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	0.2	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	Reported without a count
33	unknown	0.5	Reported without a count
34	0.00	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.00	0.5	Below the limit
37	0.01	0.5	Below the limit
38	0.03	0.5	Below the limit
39	0.04	0.5	Below the limit
40	0.09	0.5	Below the limit
41	0.13	0.5	Below the limit
42	0.09	0.5	Below the limit
43	0.13	0.5	Below the limit
44	0.08	0.5	Below the limit
45	0.09	0.5	Below the limit
46	0.13	0.5	Below the limit
47	0.14	0.5	Below the limit
48	0.13	0.5	Below the limit
49	0.12	0.5	Below the limit
50	0.04	0.5	Below the limit
51	0.12	0.5	Below the limit
52	0.20	0.5	Below the limit

20230 of 7 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	0.27	0.5	Below the limit
41	0.19	0.5	Below the limit
42	0.30	0.5	Below the limit
43	0.34	0.5	Below the limit
44	0.22	0.5	Below the limit
45	0.29	0.5	Below the limit
46	0.40	0.5	Near the limit
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 38, 2026
Mechanical delousing4 pens
Week 37, 2026
Mechanical delousing3 pens
Week 35, 2026
Mechanical delousing1 pen
Week 30, 2026
Mechanical delousingWhole site

Show all 19

Week 43, 2025
Mechanical delousing3 pens
Week 40, 2025
Mechanical delousing3 pens
Week 39, 2025
Mechanical delousing2 pens
Week 37, 2025
Mechanical delousing2 pens
Week 36, 2025
Mechanical delousing3 pens
Week 35, 2025
Mechanical delousing3 pens
Week 34, 2025
Mechanical delousing3 pens
Week 31, 2025
Mechanical delousing8 pens
Week 26, 2025
Mechanical delousing2 pens
Week 25, 2025
Mechanical delousing7 pens
Week 14, 2025
Medicinal bath2 pens · Azamethiphos
Week 13, 2025
Medicinal bath7 pens · Azamethiphos
Week 44, 2023
Other treatment1 pen · Hydrolicer
Week 41, 2023
Other treatment4 pens · Wellfighter
Week 40, 2023
Other treatment1 pen · Wellfighter

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

14 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
11 Sep 2026	Ro Vision	Lille Kvitholmen	16 h 26 min
11 Sep 2026	Ro Vision	Lille Kvitholmen	14 h 3 min
25 Aug 2026	Ronja Ocean	Skrosen	2 h 56 min
25 Aug 2026	Ronja Ocean	Skrosen	4 h 0 min
24 Aug 2026	Ronja Ocean	Marøya	2 h 26 min
23 Jul 2026	Ronja Naeroeysund	Årnes	21 h 23 min
22 Jul 2026	Ronja Naeroeysund	Årnes	15 h 4 min
21 Jul 2026	Ronja Naeroeysund	Årnes	6 h 48 min
20 Jul 2026	Ronja Naeroeysund	Årnes	7 h 52 min
06 Jun 2026	Ronja Naeroeysund	Eiterfjorden	4 h 1 min
05 Jun 2026	Ronja Naeroeysund	Eiterfjorden	8 h 28 min
25 May 2026	Ronja Naeroeysund	Årsetfjorden	2 h 59 min

Show 38 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
24 May 2026	Ronja Naeroeysund	Årsetfjorden	3 h 0 min
23 May 2026	Ronja Naeroeysund	Ternskjæret II	9 h 58 min
20 Nov 2025	Ronja Naeroeysund	Marøya	4 h 13 min
19 Nov 2025	Ronja Naeroeysund	Marøya	4 h 13 min
17 Nov 2025	Ronja Naeroeysund	Marøya	2 h 16 min
12 Nov 2025	Ronja Naeroeysund	Marøya	3 h 59 min
12 Nov 2025	Ronja Explorer	Marøya	3 h 28 min
03 Nov 2025	Ronja Ocean	Helligholmen	4 h 18 min
16 Sep 2025	Ronja Naeroeysund	Marøya	3 h 21 min
15 Sep 2025	Ronja Naeroeysund	Skrosen	2 h 28 min
24 Aug 2025	Ronja Naeroeysund	Skrosen	42 h 0 min
23 Aug 2025	Ronja Naeroeysund	Skrosen	6 h 8 min
22 Aug 2025	Ronja Naeroeysund	Skrosen	18 h 41 min
30 Jul 2025	Ronja Naeroeysund	Skrosen	20 h 17 min
28 Jul 2025	Ronja Naeroeysund	Skrosen	28 h 50 min
28 Jul 2025	Ronja Naeroeysund	Skrosen	3 h 34 min
27 Jul 2025	Ronja Naeroeysund	Skrosen	1 h 26 min
27 Jul 2025	Ronja Naeroeysund	Skrosen	2 h 23 min
26 Jul 2025	Ronja Naeroeysund	Skrosen	1 h 37 min
26 Jul 2025	Ronja Naeroeysund	Årsetfjorden	2 h 19 min
06 Apr 2025	Ronja Naeroeysund	Årsetfjorden	2 h 27 min
05 Apr 2025	Ronja Naeroeysund	Årsetfjorden	6 h 47 min
05 Apr 2025	Ronja Naeroeysund	Årsetfjorden	8 h 16 min
30 Mar 2025	Ronja Naeroeysund	Marøya	1 h 48 min
30 Mar 2025	Aasvaerfjord	Nordskag	2 h 18 min
30 Mar 2025	Ronja Naeroeysund	Marøya	2 h 56 min
29 Mar 2025	Aasvaerfjord	Nordskag	3 h 43 min
29 Mar 2025	Ronja Naeroeysund	Marøya	4 h 21 min
29 Mar 2025	Aasvaerfjord	Nordskag	2 h 32 min
29 Mar 2025	Ronja Naeroeysund	Marøya	3 h 14 min
28 Mar 2025	Ronja Naeroeysund	Marøya	2 h 25 min
28 Mar 2025	Ronja Naeroeysund	Marøya	3 h 5 min
26 Mar 2025	Ronja Naeroeysund	Marøya	2 h 12 min
25 Mar 2025	Ronja Naeroeysund	Marøya	3 h 14 min
25 Mar 2025	Ronja Naeroeysund	Marøya	2 h 31 min
13 Sep 2024	Ronja Aurora	Finnvika S	3 h 52 min
13 Aug 2024	Ronja Vita	Takflua	1 h 33 min
07 Aug 2024	Ronja Aurora	Mortensnes	4 h 55 min

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

Licences

Site MAB: 4,500 tonnes

Licence	Type	Capacity	Holder
NT NR 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Salmar Oppdrett AS
NT V 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Salmar Oppdrett AS
NT V 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Salmar Oppdrett AS
NT V 0013	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Salmar Oppdrett AS
NT V 0027	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Salmar Oppdrett AS

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