Storelva

Site 30217 · Skjervøy municipality · Production area 11, Kvaløya til Loppa

Below the lice limit, week 39Operated by Arnøy Laks AS · group unknown

0.03Adult 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 20 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

1Lice treatments in 2026Latest: Medicinal feed, week 37, 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

1Wellboat visits in 2026by 1 vessel · latest 08 May 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported2 salmon, February 2025Since 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	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	0.00	0.5	Below the limit
21	0.00	0.2	Below the limit
22	0.01	0.2	Below the limit
23	0.03	0.2	Below the limit
24	0.01	0.2	Below the limit
25	0.02	0.2	Below the limit
26	0.02	0.2	Below the limit
27	0.04	0.5	Below the limit
28	0.06	0.5	Below the limit
29	0.09	0.5	Below the limit
30	0.20	0.5	Below the limit
31	0.31	0.5	Below the limit
32	0.32	0.5	Below the limit
33	0.29	0.5	Below the limit
34	0.25	0.5	Below the limit
35	0.15	0.5	Below the limit
36	0.15	0.5	Below the limit
37	0.17	0.5	Below the limit
38	0.11	0.5	Below the limit
39	0.03	0.5	Below the limit

Earlier years

20257 of 25 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	0.63	0.5	Above the limit
2	0.49	0.5	Near the limit
3	0.81	0.5	Above the limit
4	0.91	0.5	Above the limit
5	0.71	0.5	Above the limit
6	0.81	0.5	Above the limit
7	0.94	0.5	Above the limit
8	0.12	0.5	Below the limit
9	0.18	0.5	Below the limit
10	0.10	0.5	Below the limit
11	0.27	0.5	Below the limit
12	0.17	0.5	Below the limit
13	0.15	0.5	Below the limit
14	0.08	0.5	Below the limit
15	0.08	0.5	Below the limit
16	0.08	0.5	Below the limit
17	0.17	0.5	Below the limit
18	0.25	0.5	Below the limit
19	0.22	0.5	Below the limit
20	0.15	0.5	Below the limit
21	0.27	0.2	Above the limit
22	0.05	0.2	Below the limit
23	0.19	0.2	Near the limit
24	0.16	0.2	Below the limit
25	0.18	0.2	Near the limit
26	unknown	0.2	Reported without a count
27	unknown	0.5	Reported without a count
28	unknown	0.5	Reported without a count
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	Not reported
52	unknown	0.5	Not reported

20242 of 20 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	Reported without a count
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	0.06	0.5	Below the limit
37	0.19	0.5	Below the limit
38	0.13	0.5	Below the limit
39	0.92	0.5	Above the limit
40	0.64	0.5	Above the limit
41	0.13	0.5	Below the limit
42	0.11	0.5	Below the limit
43	0.18	0.5	Below the limit
44	0.13	0.5	Below the limit
45	0.41	0.5	Near the limit
46	0.41	0.5	Near the limit
47	0.45	0.5	Near the limit
48	0.40	0.5	Near the limit
49	0.29	0.5	Below the limit
50	0.35	0.5	Below the limit
51	0.49	0.5	Near the limit
52	0.41	0.5	Near the limit

20230 of 11 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
39	0.12	0.5	Below the limit
40	0.07	0.5	Below the limit
41	0.10	0.5	Below the limit
42	0.15	0.5	Below the limit
43	0.25	0.5	Below the limit
44	0.34	0.5	Below the limit
45	0.48	0.5	Near the limit
46	0.30	0.5	Below the limit
47	0.12	0.5	Below the limit
48	0.11	0.5	Below the limit
49	0.15	0.5	Below the limit
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

Treatments

Norwegian Food Safety Authority

Week 37, 2026
Medicinal feedWhole site · Emamectin benzoat
Week 22, 2025
Thermal delousing1 pen
Week 7, 2025
Medicinal bath3 pens · Hydrogenperoksid
Week 48, 2024
Medicinal bath1 pen · Azamethiphos

Show all 10

Week 47, 2024
Medicinal bath7 pens · Azamethiphos
Week 41, 2024
Thermal delousingWhole site
Week 37, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 36, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 46, 2023
Medicinal bathWhole site · Azamethiphos
Week 39, 2023
Thermal delousing4 pens

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

15 Feb 2025
2 salmon escapedCause: Ukjent · recaptured 1 · Directorate of Fisheries

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
08 May 2026	Ro Spirit	Gåsflestaren	7 h 19 min
10 Jul 2025	Ronja Havsoy	Hestøy	2 h 20 min
08 Jul 2025	Ronja Superior	no other farm	2 h 29 min
07 Jul 2025	Steigen	Rypefjord	2 h 25 min
07 Jul 2025	Ronja Havsoy	Hestøy	11 h 28 min
26 Jun 2025	Ro North	Hestøy	2 h 50 min
26 May 2025	Ro North	Hestøy	6 h 31 min
11 Oct 2024	Ronja Maloy	Movik	11 h 29 min
10 Oct 2024	Ronja Maloy	Movik	10 h 14 min
08 Oct 2024	Ronja Maloy	Movik	20 h 12 min
16 Aug 2024	Ronja Havsoy	Hestøy	7 h 3 min
08 Aug 2024	Ronja Havsoy	Hestøy	4 h 9 min

Show 1 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
07 Aug 2024	Ronja Havsoy	Hestøy	6 h 4 min

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

Who has reported

The companies that have submitted lice counts for this site, with the first and last week.

Company	From	To
Arnøy Laks AS	Week 39, 2023	Week 39, 2026
Mowi Seawater Norway AS	Week 32, 2024	Week 28, 2025

Source: Norwegian Food Safety Authority (organisation number on each lice report)

Licences

Site MAB: 3,590 tonnes

Licence	Type	Capacity	Holder
T KN 0005	Kommersiell / matfisk - (5% mtb økning)Salmon, Rainbow trout, Trout	1,117 t	Mowi Seawater Norway AS
T KN 0006	Kommersiell / matfisk - (5% mtb økning)Salmon, Rainbow trout, Trout	1,116 t	Mowi Seawater Norway AS
T S 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,062 t	Arnøy Laks AS
T S 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,062 t	Arnøy Laks AS
T S 0011	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,063 t	Arnøy Laks AS
T S 0017	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,063 t	Arnøy Laks AS

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