Elgen

Site 30917 · Harstad municipality · Production area 10, Andøya til Senja

Status unknown: not reported in week 39Operated by Nordlaks Havbruk AS

unknownAdult female lice per fishNo count in week 39. Latest: 0.14 in week 11, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 11 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

9Wellboat visits in 2026by 3 different vessels · latest 29 Mar 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

Show as table

Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.16	0.5	Below the limit
2	0.13	0.5	Below the limit
3	0.12	0.5	Below the limit
4	0.10	0.5	Below the limit
5	0.11	0.5	Below the limit
6	0.11	0.5	Below the limit
7	0.10	0.5	Below the limit
8	0.11	0.5	Below the limit
9	0.10	0.5	Below the limit
10	0.14	0.5	Below the limit
11	0.14	0.5	Below the limit
12	unknown	0.5	Reported without a count
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

20251 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	0.19	0.5	Below the limit
2	0.13	0.5	Below the limit
3	0.15	0.5	Below the limit
4	0.23	0.5	Below the limit
5	0.20	0.5	Below the limit
6	0.40	0.5	Near the limit
7	0.20	0.5	Below the limit
8	0.20	0.5	Below the limit
9	0.48	0.5	Near the limit
10	0.40	0.5	Near the limit
11	0.35	0.5	Below the limit
12	0.20	0.5	Below the limit
13	0.20	0.5	Below the limit
14	0.35	0.5	Below the limit
15	0.08	0.5	Below the limit
16	0.10	0.5	Below the limit
17	0.10	0.5	Below the limit
18	0.08	0.5	Below the limit
19	0.03	0.5	Below the limit
20	0.00	0.5	Below the limit
21	0.08	0.2	Below the limit
22	0.03	0.2	Below the limit
23	0.03	0.2	Below the limit
24	0.08	0.2	Below the limit
25	0.08	0.2	Below the limit
26	0.00	0.2	Below the limit
27	0.18	0.5	Below the limit
28	0.03	0.5	Below the limit
29	0.05	0.5	Below the limit
30	0.03	0.5	Below the limit
31	0.03	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.10	0.5	Below the limit
34	0.30	0.5	Below the limit
35	0.25	0.5	Below the limit
36	0.03	0.5	Below the limit
37	0.03	0.5	Below the limit
38	0.15	0.5	Below the limit
39	0.38	0.5	Below the limit
40	0.61	0.5	Above the limit
41	0.04	0.5	Below the limit
42	0.03	0.5	Below the limit
43	0.05	0.5	Below the limit
44	0.25	0.5	Below the limit
45	0.10	0.5	Below the limit
46	0.47	0.5	Near the limit
47	0.25	0.5	Below the limit
48	0.31	0.5	Below the limit
49	0.28	0.5	Below the limit
50	0.26	0.5	Below the limit
51	0.22	0.5	Below the limit
52	0.18	0.5	Below the limit

20241 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	0.5	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	0.00	0.5	Below the limit
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	0.00	0.5	Below the limit
38	0.05	0.5	Below the limit
39	0.05	0.5	Below the limit
40	unknown	0.5	Not reported
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.29	0.5	Below the limit
44	0.30	0.5	Below the limit
45	0.26	0.5	Below the limit
46	0.45	0.5	Near the limit
47	0.60	0.5	Above the limit
48	0.16	0.5	Below the limit
49	0.08	0.5	Below the limit
50	0.39	0.5	Below the limit
51	0.20	0.5	Below the limit
52	0.10	0.5	Below the limit

20230 of 6 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	0.47	0.5	Near the limit
41	0.37	0.5	Below the limit
42	0.43	0.5	Near the limit
43	0.42	0.5	Near the limit
44	0.23	0.5	Below the limit
45	0.23	0.5	Below the limit
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

Treatments

Norwegian Food Safety Authority

Week 47, 2025
Medicinal bath2 pens · Azamethiphos
Week 41, 2025
Other treatmentWhole site · FLS
Week 28, 2025
Other treatmentWhole site · Ferskvann
Week 48, 2024
Other treatmentWhole site · Ferskvann og thermolicer

Show all 7

Week 37, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 36, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 43, 2023
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

9 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
29 Mar 2026	Caspian	Børøya Slaktemerd	2 h 47 min
28 Mar 2026	Bjorg Pauline	Skøyen	1 h 38 min
25 Mar 2026	Bjorg Pauline	Skøyen	6 h 54 min
24 Mar 2026	Caspian	Rotvika	4 h 21 min
22 Mar 2026	Caspian	Kjøtta V	4 h 32 min
15 Mar 2026	Bjorg Pauline	no other farm	3 h 31 min
10 Feb 2026	Bjorg Pauline	Børøya Slaktemerd	2 h 30 min
05 Feb 2026	Harald Martin	Børøya Slaktemerd	1 h 43 min
02 Feb 2026	Bjorg Pauline	Børøya Slaktemerd	2 h 1 min
04 Dec 2025	Tonny	Toppsund V	1 h 0 min
18 Nov 2025	Harald Martin	Børøya Slaktemerd	11 h 0 min
09 Jul 2025	Bjorg Pauline	Helgeneshamn	2 h 56 min

Show 4 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
08 Jul 2025	Bjorg Pauline	Helgeneshamn	10 h 29 min
07 Jul 2025	Bjorg Pauline	Helgeneshamn	14 h 39 min
26 Nov 2024	Harald Martin	Djupvik	16 h 6 min
11 Aug 2024	Ronja Mistral	Våtvika	1 h 47 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
T BK 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Nordlaks Havbruk AS
T BK 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Nordlaks Havbruk AS
T KF 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Nordlaks Havbruk AS
T T 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Nordlaks Havbruk AS

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