Dolma N

Site 34018 · Nærøysund municipality · Production area 7, Nord-Trøndelag med Bindal

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

0.24Adult 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 39 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

7Lice treatments in 2026Latest: Other treatment, 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

5Wellboat visits in 2026by 4 different vessels · latest 04 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported38,638 salmon, August 2021Since 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	0.00	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.00	0.5	Below the limit
4	0.01	0.5	Below the limit
5	0.00	0.5	Below the limit
6	0.00	0.5	Below the limit
7	0.00	0.5	Below the limit
8	0.00	0.5	Below the limit
9	0.01	0.5	Below the limit
10	0.00	0.5	Below the limit
11	0.00	0.5	Below the limit
12	0.00	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	0.03	0.2	Below the limit
17	0.03	0.2	Below the limit
18	0.04	0.2	Below the limit
19	0.05	0.2	Below the limit
20	0.01	0.2	Below the limit
21	0.02	0.2	Below the limit
22	0.22	0.5	Below the limit
23	0.08	0.5	Below the limit
24	0.15	0.5	Below the limit
25	0.04	0.5	Below the limit
26	0.02	0.5	Below the limit
27	0.05	0.5	Below the limit
28	0.17	0.5	Below the limit
29	0.30	0.5	Below the limit
30	0.31	0.5	Below the limit
31	0.27	0.5	Below the limit
32	0.41	0.5	Near the limit
33	0.11	0.5	Below the limit
34	0.14	0.5	Below the limit
35	0.33	0.5	Below the limit
36	0.36	0.5	Below the limit
37	0.42	0.5	Near the limit
38	0.24	0.5	Below the limit
39	0.24	0.5	Below the limit

Earlier years

20251 of 28 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	0.29	0.5	Below the limit
2	0.33	0.5	Below the limit
3	0.33	0.5	Below the limit
4	0.31	0.5	Below the limit
5	0.33	0.5	Below the limit
6	0.29	0.5	Below the limit
7	0.10	0.5	Below the limit
8	0.24	0.5	Below the limit
9	0.24	0.5	Below the limit
10	0.28	0.5	Below the limit
11	0.44	0.5	Near the limit
12	0.44	0.5	Near the limit
13	0.43	0.5	Near the limit
14	0.44	0.5	Near the limit
15	0.05	0.5	Below the limit
16	0.13	0.2	Below the limit
17	0.11	0.2	Below the limit
18	0.25	0.2	Above the limit
19	0.05	0.2	Below the limit
20	0.04	0.2	Below the limit
21	0.15	0.2	Below the limit
22	0.15	0.5	Below the limit
23	0.29	0.5	Below the limit
24	0.19	0.5	Below the limit
25	0.29	0.5	Below the limit
26	0.46	0.5	Near the limit
27	0.45	0.5	Near the limit
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	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	Reported without a count
52	0.00	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

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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	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	0.01	0.5	Below the limit
25	0.02	0.5	Below the limit
26	0.03	0.5	Below the limit
27	0.14	0.5	Below the limit
28	0.27	0.5	Below the limit
29	0.16	0.5	Below the limit
30	0.08	0.5	Below the limit
31	0.18	0.5	Below the limit
32	0.41	0.5	Near the limit
33	0.37	0.5	Below the limit
34	0.08	0.5	Below the limit
35	0.16	0.5	Below the limit
36	0.43	0.5	Near the limit
37	0.34	0.5	Below the limit
38	0.43	0.5	Near the limit
39	0.18	0.5	Below the limit
40	0.45	0.5	Near the limit
41	0.14	0.5	Below the limit
42	0.42	0.5	Near the limit
43	0.45	0.5	Near the limit
44	0.43	0.5	Near the limit
45	0.24	0.5	Below the limit
46	0.19	0.5	Below the limit
47	0.35	0.5	Below the limit
48	0.16	0.5	Below the limit
49	0.19	0.5	Below the limit
50	0.25	0.5	Below the limit
51	0.35	0.5	Below the limit
52	0.36	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 39, 2026
Other treatment2 pens · FreshWell
Week 38, 2026
Other treatment3 pens · FreshWell
Week 36, 2026
Mechanical delousing5 pens
Week 33, 2026
Mechanical delousing5 pens

Show all 20

Week 31, 2026
Mechanical delousing5 pens
Week 28, 2026
Mechanical delousing5 pens
Week 25, 2026
Mechanical delousing5 pens
Week 24, 2025
Mechanical delousing3 pens
Week 19, 2025
Mechanical delousing5 pens
Week 15, 2025
Mechanical delousing5 pens
Week 7, 2025
Mechanical delousing3 pens
Week 4, 2025
Mechanical delousing2 pens
Week 48, 2024
Mechanical delousing5 pens
Week 45, 2024
Thermal delousing, Mechanical delousing5 pens
Week 42, 2024
Mechanical delousing1 pen
Week 41, 2024
Mechanical delousing4 pens
Week 39, 2024
Mechanical delousing5 pens
Week 33, 2024
Other treatment5 pens · FreshWell, Wellfighter
Week 32, 2024
Other treatment4 pens · Wellfighter
Week 29, 2024
Other treatment5 pens · FreshWell, Ferskvannsbehandling

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

26 Aug 2021
38,638 salmon escapedCause: Sannsynligvis gnag mot kjetting grunnet dårlig vær og sterk strøm. · recaptured 1 · Directorate of Fisheries

Wellboat visits

5 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	Ro Vision	Frovær	8 h 18 min
10 Aug 2026	Ro Vision	Værøya Ø	26 h 10 min
29 Jul 2026	Ro Fjell	Skauholmen	7 h 42 min
27 Jul 2026	Ronja Princess	Årnes	27 h 9 min
08 Jul 2026	Ronja Naeroeysund	Marøya	31 h 19 min
21 Dec 2025	Ronja Vita	Storskjeret	5 h 36 min
26 Jun 2025	Ronja Explorer	Marøya	2 h 28 min
25 Jun 2025	Ronja Explorer	Marøya	4 h 44 min
23 Jun 2025	Ronja Explorer	Marøya	2 h 54 min
21 May 2025	Ronja Explorer	Marøya	2 h 53 min
05 May 2025	Ronja Ocean	Lekafjorden II	6 h 47 min
13 Apr 2025	Ronja Naeroeysund	Eiterfjorden	18 h 50 min

Show 16 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
11 Apr 2025	Ronja Naeroeysund	Eiterfjorden	19 h 42 min
15 Feb 2025	Ronja Naeroeysund	Smineset N	1 h 0 min
14 Feb 2025	Ronja Naeroeysund	Smineset N	12 h 5 min
21 Jan 2025	Ronja Naeroeysund	Tosen	21 h 56 min
03 Jan 2025	Ronja Explorer	Skrubbholmen	3 h 7 min
01 Dec 2024	Ronja Naeroeysund	Ternskjæret II	2 h 21 min
29 Nov 2024	Ronja Naeroeysund	Ternskjæret II	38 h 13 min
08 Nov 2024	Ronja Ocean	Tosen	42 h 58 min
18 Aug 2024	Ronja Naeroeysund	Lekafjorden II	14 h 36 min
17 Aug 2024	Ronja Naeroeysund	Lekafjorden II	17 h 46 min
10 Aug 2024	Ronja Ocean	Lille Kvitholmen	26 h 25 min
16 Jul 2024	Ronja Naeroeysund	Lille Kvitholmen	9 h 28 min
15 Jul 2024	Ronja Naeroeysund	Lille Kvitholmen	7 h 56 min
04 May 2024	Ronja Explorer	Ytterflesa	3 h 8 min
22 Apr 2024	Ronja Naeroeysund	Årsetfjorden	2 h 1 min
22 Apr 2024	Ronja Naeroeysund	Årsetfjorden	3 h 17 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 NR 0051	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 0033	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Salmar Oppdrett AS

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