Djuptaren

Site 37177 · Nærøysund municipality · Production area 7, Nord-Trøndelag med Bindal

Status unknown: not reported in week 39Operated by Bjørøya AS · group unknown

unknownAdult female lice per fishNo count in week 39. Latest: 0.29 in week 34, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 34 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

8Lice treatments in 2026Latest: Mechanical delousing, week 31, 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

33Wellboat visits in 2026by 3 different vessels · latest 04 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

Show as table

Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.37	0.5	Below the limit
2	0.41	0.5	Near the limit
3	0.44	0.5	Near the limit
4	0.22	0.5	Below the limit
5	0.34	0.5	Below the limit
6	0.36	0.5	Below the limit
7	0.39	0.5	Below the limit
8	0.45	0.5	Near the limit
9	0.13	0.5	Below the limit
10	0.18	0.5	Below the limit
11	0.21	0.5	Below the limit
12	0.21	0.5	Below the limit
13	0.19	0.5	Below the limit
14	0.20	0.5	Below the limit
15	0.31	0.5	Below the limit
16	0.02	0.2	Below the limit
17	0.05	0.2	Below the limit
18	0.16	0.2	Below the limit
19	0.12	0.2	Below the limit
20	0.06	0.2	Below the limit
21	0.13	0.2	Below the limit
22	0.25	0.5	Below the limit
23	0.39	0.5	Below the limit
24	0.18	0.5	Below the limit
25	0.18	0.5	Below the limit
26	0.27	0.5	Below the limit
27	0.28	0.5	Below the limit
28	0.32	0.5	Below the limit
29	0.42	0.5	Near the limit
30	0.45	0.5	Near the limit
31	0.27	0.5	Below the limit
32	0.16	0.5	Below the limit
33	0.25	0.5	Below the limit
34	0.29	0.5	Below the limit
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

Earlier years

20250 of 36 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

Show as table

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	0.2	Not reported
17	0.00	0.2	Below the limit
18	0.00	0.2	Below the limit
19	0.00	0.2	Below the limit
20	0.00	0.2	Below the limit
21	0.00	0.2	Below the limit
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	0.01	0.5	Below the limit
26	0.09	0.5	Below the limit
27	0.13	0.5	Below the limit
28	0.06	0.5	Below the limit
29	0.21	0.5	Below the limit
30	0.34	0.5	Below the limit
31	0.44	0.5	Near the limit
32	0.46	0.5	Near the limit
33	0.47	0.5	Near the limit
34	0.19	0.5	Below the limit
35	0.19	0.5	Below the limit
36	0.28	0.5	Below the limit
37	0.32	0.5	Below the limit
38	0.28	0.5	Below the limit
39	0.36	0.5	Below the limit
40	0.47	0.5	Near the limit
41	0.47	0.5	Near the limit
42	0.36	0.5	Below the limit
43	0.43	0.5	Near the limit
44	0.29	0.5	Below the limit
45	0.33	0.5	Below the limit
46	0.40	0.5	Near the limit
47	0.41	0.5	Near the limit
48	0.45	0.5	Near the limit
49	0.42	0.5	Near the limit
50	0.25	0.5	Below the limit
51	0.36	0.5	Below the limit
52	0.34	0.5	Below the limit

20240 of 36 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

Show as table

Adult female lice per fish per week, 2024
Week	Adult female lice per fish	Lice limit	Status
1	0.29	0.5	Below the limit
2	0.18	0.5	Below the limit
3	0.08	0.5	Below the limit
4	0.08	0.5	Below the limit
5	0.17	0.5	Below the limit
6	0.19	0.5	Below the limit
7	0.20	0.5	Below the limit
8	0.23	0.5	Below the limit
9	0.31	0.5	Below the limit
10	0.31	0.5	Below the limit
11	0.33	0.5	Below the limit
12	0.45	0.5	Near the limit
13	0.41	0.5	Near the limit
14	0.33	0.5	Below the limit
15	0.26	0.5	Below the limit
16	0.04	0.2	Below the limit
17	0.09	0.2	Below the limit
18	0.04	0.2	Below the limit
19	0.07	0.2	Below the limit
20	0.06	0.2	Below the limit
21	0.10	0.2	Below the limit
22	0.20	0.5	Below the limit
23	0.47	0.5	Near the limit
24	0.04	0.5	Below the limit
25	unknown	0.5	Not reported
26	0.29	0.5	Below the limit
27	0.17	0.5	Below the limit
28	0.08	0.5	Below the limit
29	0.36	0.5	Below the limit
30	0.49	0.5	Near the limit
31	0.49	0.5	Near the limit
32	0.14	0.5	Below the limit
33	0.41	0.5	Near the limit
34	0.48	0.5	Near the limit
35	0.48	0.5	Near the limit
36	0.48	0.5	Near the limit
37	0.48	0.5	Near the limit
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	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

Show as table

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	0.07	0.5	Below the limit
50	0.19	0.5	Below the limit
51	0.39	0.5	Below the limit
52	0.27	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 31, 2026
Mechanical delousing2 pens
Week 30, 2026
Mechanical delousing2 pens
Week 24, 2026
Mechanical delousing4 pens
Week 16, 2026
Thermal delousingWhole site

Show all 22

Week 9, 2026
Thermal delousing3 pens
Week 8, 2026
Thermal delousing3 pens
Week 4, 2026
Medicinal bath3 pens · Azamethiphos
Week 3, 2026
Medicinal bath4 pens · Azamethiphos
Week 42, 2025
Mechanical delousing5 pens
Week 41, 2025
Mechanical delousing2 pens
Week 38, 2025
Thermal delousingWhole site
Week 35, 2025
Thermal delousing1 pen
Week 34, 2025
Thermal delousing6 pens
Week 29, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 32, 2024
Other treatment4 pens · Hydrolicer
Week 31, 2024
Other treatment1 pen · Hydrolicer
Week 28, 2024
Other treatment1 pen · Hydrolicer
Week 27, 2024
Other treatment5 pens · Hydrolicer
Week 24, 2024
Other treatment6 pens · Hydrolicer
Week 16, 2024
Other treatmentWhole site · Hydrolicer
Week 2, 2024
Medicinal bath6 pens · Azamethiphos
Week 1, 2024
Medicinal bath1 pen · 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

33 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
04 Sep 2026	Ronja Explorer	Marøya	3 h 57 min
03 Sep 2026	Ronja Explorer	Marøya	4 h 11 min
02 Sep 2026	Ronja Explorer	Marøya	5 h 16 min
01 Sep 2026	Ronja Explorer	Marøya	4 h 23 min
31 Aug 2026	Ronja Explorer	Marøya	3 h 28 min
28 Aug 2026	Ronja Ocean	Marøya	5 h 48 min
27 Aug 2026	Ronja Ocean	Kvingra	5 h 50 min
10 Jul 2026	Ronja Explorer	Marøya	1 h 55 min
09 Jul 2026	Ronja Explorer	Marøya	44 min
08 Jul 2026	Ronja Explorer	Marøya	1 h 59 min
07 Jul 2026	Ronja Explorer	Marøya	2 h 16 min
06 Jul 2026	Ronja Explorer	Marøya	2 h 26 min

Show 51 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
24 Jun 2026	Ronja Ocean	Marøya	2 h 47 min
23 Jun 2026	Ronja Ocean	Marøya	2 h 13 min
11 Jun 2026	Njord Kya	Marøya	27 h 8 min
09 Jun 2026	Njord Kya	Marøya	35 h 56 min
08 Jun 2026	Njord Kya	Marøya	5 h 41 min
08 Jun 2026	Njord Kya	Marøya	3 h 36 min
06 Jun 2026	Njord Kya	Marøya	3 h 22 min
27 May 2026	Ronja Ocean	Marøya	2 h 2 min
26 May 2026	Ronja Ocean	Marøya	3 h 57 min
26 May 2026	Ronja Ocean	Marøya	1 h 40 min
25 May 2026	Ronja Ocean	Marøya	1 h 48 min
22 May 2026	Ronja Ocean	Marøya	1 h 31 min
21 May 2026	Ronja Ocean	Marøya	2 h 43 min
18 Apr 2026	Njord Kya	Marøya	13 h 53 min
17 Apr 2026	Njord Kya	Marøya	21 h 2 min
16 Apr 2026	Njord Kya	Marøya	18 h 31 min
15 Apr 2026	Njord Kya	Marøya	21 h 26 min
14 Apr 2026	Njord Kya	Marøya	2 h 40 min
26 Feb 2026	Njord Kya	Ulvan	13 h 15 min
23 Feb 2026	Njord Kya	Ulvan	26 h 13 min
21 Feb 2026	Njord Kya	Ulvan	39 h 5 min
08 Dec 2025	Ro Fortune	Kariskjæret	42 h 18 min
07 Dec 2025	Ro Fortune	Kariskjæret	1 h 24 min
06 Dec 2025	Ro Fortune	Kariskjæret	2 h 16 min
05 Dec 2025	Ro Fortune	Kariskjæret	1 h 35 min
05 Dec 2025	Ro Fortune	Kariskjæret	7 h 29 min
18 Sep 2025	Njord Kya	Oløya N	6 h 49 min
17 Sep 2025	Njord Kya	Oløya N	36 h 43 min
24 Aug 2025	Njord Kya	Langøya Kvaløya	33 h 14 min
23 Aug 2025	Njord Kya	Langøya Kvaløya	5 h 39 min
23 Apr 2025	Ronja Vita	Bondøya	3 h 31 min
22 Apr 2025	Ronja Vita	Bondøya	3 h 44 min
02 Oct 2024	Ronja Explorer	Marøya	3 h 47 min
01 Oct 2024	Ronja Explorer	Marøya	2 h 43 min
01 Oct 2024	Ronja Explorer	Marøya	55 min
24 Sep 2024	Ronja Explorer	Marøya	3 h 2 min
23 Sep 2024	Ronja Explorer	Labukta V	2 h 57 min
30 Aug 2024	Ronja Explorer	Sørværet	3 h 43 min
28 Aug 2024	Ronja Naeroeysund	Båfjordstranda	8 h 3 min
28 Jul 2024	Ronja Explorer	Marøya	2 h 35 min
23 Jul 2024	Ronja Explorer	Marøya	2 h 23 min
21 Jul 2024	Ronja Explorer	Marøya	2 h 30 min
10 Jun 2024	Aasvaerfjord	Sørværet	2 h 25 min
12 May 2024	Aasvaerfjord	Sørværet	1 h 53 min
14 Jan 2024	Ronja Naeroeysund	Marøya	19 h 53 min
13 Jan 2024	Ronja Naeroeysund	Marøya	8 h 44 min
12 Jan 2024	Ronja Naeroeysund	Marøya	7 h 9 min
11 Jan 2024	Ronja Naeroeysund	Marøya	13 h 54 min
09 Jan 2024	Ronja Naeroeysund	Marøya	9 h 12 min
08 Jan 2024	Ronja Naeroeysund	Marøya	16 h 22 min
05 Jan 2024	Ronja Naeroeysund	Marøya	8 h 53 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 F 0028	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Bjørøya AS
NT F 0029	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Bjørøya AS
NT F 0033	Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout	804 t	Bjørøya AS

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