Hammarvika

Site 18717 · Gildeskål municipality · Production area 8, Helgeland til Bodø

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

unknownAdult female lice per fishNo count in week 39. Latest: 0.05 in week 8, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 8 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

0Lice treatments in 2026None recorded2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Active disease casesNone recordedRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

1Wellboat visits in 2026by 1 vessel · latest 23 Feb 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	0.28	0.5	Below the limit
2	0.25	0.5	Below the limit
3	0.25	0.5	Below the limit
4	0.30	0.5	Below the limit
5	0.30	0.5	Below the limit
6	0.10	0.5	Below the limit
7	0.03	0.5	Below the limit
8	0.05	0.5	Below the limit
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	unknown	0.5	Not reported

Earlier years

20250 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, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.05	0.5	Below the limit
2	0.14	0.5	Below the limit
3	0.09	0.5	Below the limit
4	0.22	0.5	Below the limit
5	0.19	0.5	Below the limit
6	0.18	0.5	Below the limit
7	0.23	0.5	Below the limit
8	0.30	0.5	Below the limit
9	0.30	0.5	Below the limit
10	0.19	0.5	Below the limit
11	0.26	0.5	Below the limit
12	0.20	0.5	Below the limit
13	0.34	0.5	Below the limit
14	0.35	0.5	Below the limit
15	0.36	0.5	Below the limit
16	0.06	0.5	Below the limit
17	0.06	0.5	Below the limit
18	0.05	0.5	Below the limit
19	0.07	0.5	Below the limit
20	0.07	0.5	Below the limit
21	0.06	0.2	Below the limit
22	0.06	0.2	Below the limit
23	0.05	0.2	Below the limit
24	0.06	0.2	Below the limit
25	0.10	0.2	Below the limit
26	0.18	0.2	Near the limit
27	0.34	0.5	Below the limit
28	0.44	0.5	Near the limit
29	0.46	0.5	Near the limit
30	0.07	0.5	Below the limit
31	0.10	0.5	Below the limit
32	0.10	0.5	Below the limit
33	0.38	0.5	Below the limit
34	0.43	0.5	Near the limit
35	0.00	0.5	Below the limit
36	0.00	0.5	Below the limit
37	0.15	0.5	Below the limit
38	0.17	0.5	Below the limit
39	0.43	0.5	Near the limit
40	0.45	0.5	Near the limit
41	0.47	0.5	Near the limit
42	0.02	0.5	Below the limit
43	0.13	0.5	Below the limit
44	0.27	0.5	Below the limit
45	0.17	0.5	Below the limit
46	0.28	0.5	Below the limit
47	0.17	0.5	Below the limit
48	0.23	0.5	Below the limit
49	0.25	0.5	Below the limit
50	0.30	0.5	Below the limit
51	0.25	0.5	Below the limit
52	0.23	0.5	Below the limit

20240 of 23 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	0.19	0.5	Below the limit
2	0.16	0.5	Below the limit
3	0.20	0.5	Below the limit
4	0.17	0.5	Below the limit
5	0.31	0.5	Below the limit
6	0.36	0.5	Below the limit
7	0.25	0.5	Below the limit
8	0.31	0.5	Below the limit
9	0.33	0.5	Below the limit
10	0.40	0.5	Near the limit
11	0.40	0.5	Near the limit
12	0.35	0.5	Below the limit
13	0.32	0.5	Below the limit
14	0.25	0.5	Below the limit
15	0.30	0.5	Below the limit
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	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	0.00	0.5	Below the limit
45	unknown	0.5	Not reported
46	0.00	0.5	Below the limit
47	0.00	0.5	Below the limit
48	0.00	0.5	Below the limit
49	0.00	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.05	0.5	Below the limit
52	0.01	0.5	Below the limit

20230 of 12 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	0.08	0.5	Below the limit
41	0.20	0.5	Below the limit
42	0.22	0.5	Below the limit
43	0.29	0.5	Below the limit
44	0.30	0.5	Below the limit
45	0.45	0.5	Near the limit
46	0.05	0.5	Below the limit
47	unknown	0.5	Not reported
48	0.26	0.5	Below the limit
49	0.31	0.5	Below the limit
50	0.34	0.5	Below the limit
51	0.41	0.5	Near the limit
52	0.47	0.5	Near the limit

Treatments

Norwegian Food Safety Authority

Week 42, 2025
Mechanical delousingWhole site
Week 35, 2025
Thermal delousingWhole site
Week 30, 2025
Mechanical delousingWhole site
Week 16, 2025
Thermal delousing2 pens

Show all 9

Week 52, 2024
Medicinal feed1 pen · Emamectin benzoat
Week 51, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 50, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 1, 2024
Thermal delousingWhole site
Week 46, 2023
Thermal delousingWhole site

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

1 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
23 Feb 2026	Steinar Olaisen	Skauholmen	2 h 52 min
18 Nov 2025	Ro North	Skonseng	2 h 14 min
14 Oct 2025	Ro North	Kjølvika I	10 h 55 min
01 Sep 2025	Ro North	Langskjæran	5 h 37 min
24 Jul 2025	Steinar Olaisen	Kjerkvika	39 min
24 Jul 2025	Steinar Olaisen	Kjerkvika	7 h 25 min
24 Jul 2025	Steinar Olaisen	Kjerkvika	1 h 39 min
23 Jul 2025	Steinar Olaisen	Kolvikodden Ø	7 h 20 min
14 Apr 2025	Faeroeysund	Hestøy	4 h 32 min
10 Nov 2024	Ronja Vita	Klipen	1 h 12 min
26 Oct 2024	Faeroeysund	Øksengård	3 h 47 min
19 Apr 2024	Steinar Olaisen	Skauholmen	2 h 35 min

Show 4 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
19 Apr 2024	Steinar Olaisen	Hestholmen N	2 h 9 min
16 Mar 2024	Faeroeysund	Skauholmen	2 h 16 min
24 Feb 2024	Faeroeysund	Naustholmen	1 h 52 min
04 Jan 2024	Faeroeysund	Naustholmen	11 h 1 min

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

Licences

Site MAB: 780 tonnes

Licence	Type	Capacity	Holder
N G 0063	Kommersiell / matfiskSalmon, Rainbow trout, Trout	538 t	Organic Seafarm AS
N G 0064	Kommersiell / matfiskSalmon, Rainbow trout, Trout	538 t	Organic Seafarm AS
N L 0069	Kommersiell / matfiskSalmon, Rainbow trout, Trout	780 t	Organic Seafarm AS

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