Klungset

Site 18755 · Nærøysund municipality · Production area 7, Nord-Trøndelag med Bindal

Above the lice limit, week 39Operated by Sinkaberg Havbruk AS · group unknown

1.09Adult female lice per fishLimit 0.50 · above the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

1Weeks above the limit in 2026of 38 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

11Lice treatments in 2026Latest: Mechanical delousing, week 39, 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

16Wellboat visits in 2026by 3 different vessels · latest 27 Aug 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	0.24	0.5	Below the limit
2	0.26	0.5	Below the limit
3	0.34	0.5	Below the limit
4	0.39	0.5	Below the limit
5	0.42	0.5	Near the limit
6	0.47	0.5	Near the limit
7	0.47	0.5	Near the limit
8	0.33	0.5	Below the limit
9	0.39	0.5	Below the limit
10	0.41	0.5	Near the limit
11	0.25	0.5	Below the limit
12	0.22	0.5	Below the limit
13	0.17	0.5	Below the limit
14	0.22	0.5	Below the limit
15	0.44	0.5	Near the limit
16	0.09	0.2	Below the limit
17	0.12	0.2	Below the limit
18	0.10	0.2	Below the limit
19	0.07	0.2	Below the limit
20	0.08	0.2	Below the limit
21	0.11	0.2	Below the limit
22	0.11	0.5	Below the limit
23	0.16	0.5	Below the limit
24	0.21	0.5	Below the limit
25	0.23	0.5	Below the limit
26	0.27	0.5	Below the limit
27	0.29	0.5	Below the limit
28	0.20	0.5	Below the limit
29	0.20	0.5	Below the limit
30	0.25	0.5	Below the limit
31	0.39	0.5	Below the limit
32	0.49	0.5	Near the limit
33	0.44	0.5	Near the limit
34	0.35	0.5	Below the limit
35	0.25	0.5	Below the limit
36	0.28	0.5	Below the limit
37	0.40	0.5	Near the limit
38	unknown	0.5	Not reported
39	1.09	0.5	Above the limit

Earlier years

20250 of 24 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	0.38	0.5	Below the limit
2	0.39	0.5	Below the limit
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	0.00	0.5	Below the limit
32	0.02	0.5	Below the limit
33	0.00	0.5	Below the limit
34	0.00	0.5	Below the limit
35	0.01	0.5	Below the limit
36	0.01	0.5	Below the limit
37	0.03	0.5	Below the limit
38	0.01	0.5	Below the limit
39	0.02	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	0.04	0.5	Below the limit
44	0.04	0.5	Below the limit
45	0.06	0.5	Below the limit
46	0.08	0.5	Below the limit
47	0.07	0.5	Below the limit
48	0.08	0.5	Below the limit
49	0.09	0.5	Below the limit
50	0.11	0.5	Below the limit
51	0.38	0.5	Below the limit
52	0.17	0.5	Below the limit

20248 of 52 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	0.05	0.5	Below the limit
2	0.07	0.5	Below the limit
3	0.07	0.5	Below the limit
4	0.10	0.5	Below the limit
5	0.17	0.5	Below the limit
6	0.40	0.5	Near the limit
7	0.36	0.5	Below the limit
8	0.49	0.5	Near the limit
9	0.70	0.5	Above the limit
10	0.75	0.5	Above the limit
11	0.78	0.5	Above the limit
12	0.68	0.5	Above the limit
13	0.63	0.5	Above the limit
14	0.48	0.5	Near the limit
15	0.37	0.5	Below the limit
16	0.17	0.2	Near the limit
17	0.18	0.2	Near the limit
18	0.18	0.2	Near the limit
19	0.17	0.2	Near the limit
20	0.18	0.2	Near the limit
21	0.17	0.2	Near the limit
22	0.21	0.5	Below the limit
23	0.24	0.5	Below the limit
24	0.04	0.5	Below the limit
25	0.35	0.5	Below the limit
26	0.33	0.5	Below the limit
27	0.28	0.5	Below the limit
28	0.24	0.5	Below the limit
29	0.29	0.5	Below the limit
30	0.29	0.5	Below the limit
31	0.32	0.5	Below the limit
32	0.40	0.5	Near the limit
33	0.49	0.5	Near the limit
34	0.73	0.5	Above the limit
35	0.48	0.5	Near the limit
36	0.38	0.5	Below the limit
37	0.41	0.5	Near the limit
38	0.34	0.5	Below the limit
39	0.31	0.5	Below the limit
40	0.41	0.5	Near the limit
41	0.50	0.5	Above the limit
42	0.34	0.5	Below the limit
43	0.85	0.5	Above the limit
44	0.40	0.5	Near the limit
45	0.33	0.5	Below the limit
46	0.33	0.5	Below the limit
47	0.19	0.5	Below the limit
48	0.13	0.5	Below the limit
49	0.14	0.5	Below the limit
50	0.25	0.5	Below the limit
51	0.45	0.5	Near the limit
52	0.40	0.5	Near the limit

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	0.01	0.5	Below the limit
50	0.02	0.5	Below the limit
51	0.01	0.5	Below the limit
52	0.02	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 39, 2026
Mechanical delousing2 pens
Week 34, 2026
Mechanical delousing5 pens
Week 33, 2026
Mechanical delousing3 pens
Week 18, 2026
Medicinal bathDeltamethrin

Show all 24

Week 16, 2026
Mechanical delousing3 pens
Week 15, 2026
Mechanical delousing2 pens
Week 13, 2026
Mechanical delousing1 pen
Week 11, 2026
Mechanical delousing3 pens
Week 10, 2026
Mechanical delousing1 pen
Week 7, 2026
Medicinal bath, Mechanical delousing6 pens · Azamethiphos
Week 47, 2024
Mechanical delousing2 pens
Week 45, 2024
Mechanical delousing2 pens
Week 44, 2024
Mechanical delousing2 pens
Week 41, 2024
Mechanical delousing2 pens
Week 39, 2024
Mechanical delousing3 pens
Week 37, 2024
Other treatment2 pens · Freshwell
Week 36, 2024
Other treatment2 pens · Freshwell
Week 35, 2024
Other treatment2 pens · Wellfighter
Week 27, 2024
Other treatment2 pens · Wellfighter
Week 26, 2024
Other treatment2 pens · Wellfighter
Week 16, 2024
Medicinal bath1 pen · Azamethiphos
Week 15, 2024
Medicinal bath3 pens · Azamethiphos
Week 14, 2024
Medicinal bath3 pens · Azamethiphos
Week 12, 2024
Medicinal bath2 pens · Azamethiphos

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

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
27 Aug 2026	Ronja Explorer	Marøya	2 h 13 min
26 Aug 2026	Ronja Explorer	Marøya	2 h 27 min
25 Aug 2026	Ronja Explorer	Marøya	2 h 39 min
05 Aug 2026	Ronja Explorer	Marøya	2 h 4 min
05 Aug 2026	Ronja Explorer	Smineset N	3 h 18 min
14 Apr 2026	Ronja Naeroeysund	Hindholmen	13 h 21 min
13 Apr 2026	Ronja Naeroeysund	Hindholmen	6 h 46 min
12 Apr 2026	Ronja Naeroeysund	Hindholmen	15 h 51 min
27 Mar 2026	Ronja Naeroeysund	Marøya	7 h 6 min
26 Mar 2026	Ronja Naeroeysund	Marøya	15 h 9 min
10 Mar 2026	Ronja Naeroeysund	Stasøya	6 h 38 min
09 Mar 2026	Ronja Naeroeysund	Stasøya	13 h 1 min

Show 38 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
08 Mar 2026	Ronja Naeroeysund	Stasøya	7 h 31 min
13 Feb 2026	Ronja Ocean	Hindholmen	42 h 25 min
12 Feb 2026	Ronja Ocean	Hindholmen	8 h 8 min
11 Feb 2026	Ronja Ocean	Hindholmen	9 h 8 min
23 Sep 2025	Viknatrans	Olvika	1 h 2 min
22 Sep 2025	Viknatrans	Olvika	2 h 1 min
21 Sep 2025	Viknatrans	Olvika	1 h 57 min
14 Sep 2025	Viknatrans	Olvika	3 h 15 min
27 Jul 2025	Viknatrans	Hindholmen	1 h 9 min
23 Jul 2025	Viknatrans	Oksbåsen	4 h 46 min
22 Jul 2025	Viknatrans	Oksbåsen	32 min
05 Feb 2025	Froy Jarl	Nedre Kvarv	1 h 23 min
02 Feb 2025	Ronja Explorer	Marøya	35 min
01 Feb 2025	Ronja Explorer	Marøya	42 min
29 Jan 2025	Ronja Explorer	Marøya	1 h 55 min
22 Dec 2024	Ronja Ocean	Humulen	1 h 34 min
17 Dec 2024	Ronja Ocean	Marøya	1 h 42 min
09 Dec 2024	Ronja Ocean	Marøya	1 h 55 min
06 Dec 2024	Ronja Explorer	Marøya	3 h 27 min
26 Nov 2024	Ronja Explorer	Stasøya	2 h 6 min
23 Nov 2024	Ronja Naeroeysund	Marøya	13 h 40 min
22 Nov 2024	Ronja Naeroeysund	Marøya	7 h 28 min
12 Nov 2024	Ronja Explorer	Marøya	1 h 30 min
11 Nov 2024	Ronja Explorer	Marøya	2 h 1 min
10 Nov 2024	Ronja Naeroeysund	Stasøya	7 h 36 min
09 Nov 2024	Ronja Naeroeysund	Stasøya	6 h 32 min
03 Nov 2024	Ronja Explorer	Marøya	2 h 7 min
03 Nov 2024	Ronja Naeroeysund	Marøya	8 h 7 min
02 Nov 2024	Ronja Naeroeysund	Marøya	8 h 55 min
11 Oct 2024	Ronja Naeroeysund	Marøya	6 h 45 min
10 Oct 2024	Ronja Naeroeysund	Marøya	7 h 41 min
25 Sep 2024	Ronja Naeroeysund	Kipholmen	14 h 7 min
14 Sep 2024	Ronja Naeroeysund	Stasøya	8 h 20 min
11 Sep 2024	Ronja Naeroeysund	Stasøya	6 h 3 min
05 Sep 2024	Ronja Naeroeysund	Lekafjorden II	15 h 33 min
29 Aug 2024	Ronja Naeroeysund	Marøya	11 h 9 min
05 Jul 2024	Ronja Naeroeysund	Smineset N	10 h 51 min
27 Jun 2024	Ronja Naeroeysund	Stasøya	13 h 30 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
NT NR 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	821 t	Sinkaberg Havbruk AS
NT NR 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Sinkaberg Havbruk AS
NT NR 0008	Undervisning / matfiskSalmon, Rainbow trout, Trout	780 t	Val Skoler AS
NT NR 0012	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	AS Aqua
NT NR 0021	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Sinkaberg Havbruk AS
NT NR 0047	Forskning / matfiskSalmon, Rainbow trout, Trout	780 t	Pharmaq AS
NT NR 0057	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Emilsen Havbruk AS
NT NR 0062	Forskning / matfiskSalmon, Rainbow trout, Trout	780 t	Benchmark Genetics Norway AS
NT V 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Emilsen Havbruk AS
NT V 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Sinkaberg Havbruk AS
TR NR 0006	Forskning / matfiskSalmon	780 t	Pharmaq AS
TR NR 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	268 t	Brønnøy Farming AS

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