Storstrompan

Site 13124 · Rødøy municipality · Production area 8, Helgeland til Bodø

Status unknown: not reported in week 39Operated by Mowi Seawater Norway AS · group Mowi

unknownAdult female lice per fishNo count in week 39. Latest: 0.00 in week 36, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 36 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

5Lice treatments in 2026Latest: Mechanical delousing, week 32, 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

16Wellboat visits in 2026by 2 different vessels · latest 27 Jul 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	0.13	0.5	Below the limit
2	0.23	0.5	Below the limit
3	0.20	0.5	Below the limit
4	0.22	0.5	Below the limit
5	0.08	0.5	Below the limit
6	0.09	0.5	Below the limit
7	0.07	0.5	Below the limit
8	0.07	0.5	Below the limit
9	0.11	0.5	Below the limit
10	0.11	0.5	Below the limit
11	0.10	0.5	Below the limit
12	0.20	0.5	Below the limit
13	0.34	0.5	Below the limit
14	0.37	0.5	Below the limit
15	0.29	0.5	Below the limit
16	0.38	0.5	Below the limit
17	0.46	0.5	Near the limit
18	0.00	0.5	Below the limit
19	0.01	0.5	Below the limit
20	0.02	0.5	Below the limit
21	0.02	0.2	Below the limit
22	0.02	0.2	Below the limit
23	0.02	0.2	Below the limit
24	0.09	0.2	Below the limit
25	0.11	0.2	Below the limit
26	0.16	0.2	Below the limit
27	0.28	0.5	Below the limit
28	0.17	0.5	Below the limit
29	0.05	0.5	Below the limit
30	0.13	0.5	Below the limit
31	0.35	0.5	Below the limit
32	0.41	0.5	Near the limit
33	0.40	0.5	Near the limit
34	0.33	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.00	0.5	Below the limit
37	unknown	0.5	Not reported
38	unknown	0.5	Not reported
39	unknown	0.5	Not reported

Earlier years

20250 of 21 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	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	0.00	0.5	Below the limit
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	0.02	0.5	Below the limit
37	0.00	0.5	Below the limit
38	0.04	0.5	Below the limit
39	0.03	0.5	Below the limit
40	0.03	0.5	Below the limit
41	0.03	0.5	Below the limit
42	0.06	0.5	Below the limit
43	0.03	0.5	Below the limit
44	0.07	0.5	Below the limit
45	0.05	0.5	Below the limit
46	0.05	0.5	Below the limit
47	0.05	0.5	Below the limit
48	0.08	0.5	Below the limit
49	0.09	0.5	Below the limit
50	0.12	0.5	Below the limit
51	0.11	0.5	Below the limit
52	0.17	0.5	Below the limit

20243 of 49 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	0.01	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.02	0.5	Below the limit
4	0.01	0.5	Below the limit
5	0.02	0.5	Below the limit
6	0.03	0.5	Below the limit
7	0.03	0.5	Below the limit
8	0.04	0.5	Below the limit
9	0.04	0.5	Below the limit
10	0.05	0.5	Below the limit
11	0.13	0.5	Below the limit
12	0.15	0.5	Below the limit
13	0.19	0.5	Below the limit
14	0.18	0.5	Below the limit
15	0.20	0.5	Below the limit
16	0.25	0.5	Below the limit
17	0.23	0.5	Below the limit
18	0.19	0.5	Below the limit
19	0.20	0.5	Below the limit
20	0.20	0.5	Below the limit
21	0.17	0.2	Near the limit
22	0.08	0.2	Below the limit
23	0.07	0.2	Below the limit
24	0.12	0.2	Below the limit
25	0.12	0.2	Below the limit
26	0.13	0.2	Below the limit
27	0.15	0.5	Below the limit
28	0.17	0.5	Below the limit
29	0.26	0.5	Below the limit
30	0.43	0.5	Near the limit
31	0.45	0.5	Near the limit
32	0.21	0.5	Below the limit
33	0.40	0.5	Near the limit
34	0.21	0.5	Below the limit
35	0.10	0.5	Below the limit
36	0.48	0.5	Near the limit
37	0.39	0.5	Below the limit
38	0.17	0.5	Below the limit
39	0.31	0.5	Below the limit
40	0.40	0.5	Near the limit
41	1.16	0.5	Above the limit
42	1.44	0.5	Above the limit
43	0.60	0.5	Above the limit
44	0.36	0.5	Below the limit
45	0.19	0.5	Below the limit
46	0.18	0.5	Below the limit
47	0.20	0.5	Below the limit
48	0.23	0.5	Below the limit
49	0.39	0.5	Below the limit
50	unknown	0.5	Reported without a count
51	unknown	0.5	Reported without a count
52	unknown	0.5	Not reported

20230 of 13 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	0.00	0.5	Below the limit
41	0.03	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.03	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.01	0.5	Below the limit
46	0.01	0.5	Below the limit
47	0.01	0.5	Below the limit
48	0.02	0.5	Below the limit
49	0.01	0.5	Below the limit
50	0.01	0.5	Below the limit
51	0.02	0.5	Below the limit
52	0.01	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 32, 2026
Mechanical delousing4 pens
Week 28, 2026
Mechanical delousing9 pens
Week 17, 2026
Mechanical delousingWhole site
Week 5, 2026
Medicinal bath1 pen · Azamethiphos

Show all 21

Week 4, 2026
Medicinal bath7 pens · Azamethiphos
Week 41, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 40, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 45, 2024
Mechanical delousing2 pens
Week 43, 2024
Mechanical delousing6 pens
Week 42, 2024
Mechanical delousing3 pens
Week 38, 2024
Mechanical delousing5 pens
Week 37, 2024
Mechanical delousing4 pens
Week 36, 2024
Mechanical delousing1 pen
Week 34, 2024
Mechanical delousing6 pens
Week 33, 2024
Mechanical delousing4 pens
Week 31, 2024
Thermal delousingWhole site
Week 23, 2024
Thermal delousing2 pens
Week 22, 2024
Thermal delousing6 pens
Week 21, 2024
Thermal delousing2 pens
Week 42, 2023
Medicinal feedWhole site · Emamectin benzoat
Week 41, 2023
Medicinal feedWhole site · Emamectin benzoat

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

16 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
27 Jul 2026	Ro North	Fleina	1 h 39 min
11 Jul 2026	Ronja Heroy	Varpet	5 h 43 min
08 Jul 2026	Ronja Heroy	Varpet	56 h 10 min
24 Apr 2026	Ronja Heroy	Lian	26 h 11 min
23 Apr 2026	Ronja Heroy	Lian	19 h 15 min
22 Apr 2026	Ronja Heroy	Lian	3 h 30 min
25 Jan 2026	Ro North	Hestøy	1 h 6 min
25 Jan 2026	Ro North	Hestøy	4 h 10 min
24 Jan 2026	Ro North	Hestøy	1 h 25 min
24 Jan 2026	Ro North	Hestøy	1 h 17 min
24 Jan 2026	Ro North	Hestøy	3 h 11 min
21 Jan 2026	Ro North	Hestøy	58 min

Show 31 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
20 Jan 2026	Ro North	Hestøy	5 h 33 min
20 Jan 2026	Ro North	Hestøy	4 h 46 min
19 Jan 2026	Ro North	Hestøy	3 h 0 min
19 Jan 2026	Ro North	Hestøy	2 h 21 min
05 Aug 2025	Ronja Havsoy	Hestøy	2 h 16 min
03 Aug 2025	Ronja Havsoy	Hestøy	55 min
01 Aug 2025	Ronja Havsoy	Hestøy	2 h 26 min
29 Jul 2025	Ronja Havsoy	Hestøy	4 h 5 min
16 Dec 2024	Ro Master	Hestøy	1 h 18 min
12 Dec 2024	Ro Master	Hestøy	1 h 43 min
12 Nov 2024	Ro Master	Hestøy	2 h 16 min
11 Nov 2024	Ro Master	Hestøy	1 h 54 min
08 Nov 2024	Steinar Olaisen	Skauholmen	19 h 25 min
06 Nov 2024	Ro Master	Hestøy	1 h 34 min
05 Nov 2024	Ro Master	Hestøy	1 h 40 min
30 Oct 2024	Ro Master	Hestøy	2 h 19 min
18 Sep 2024	Steinar Olaisen	Skauholmen	4 h 9 min
30 Aug 2024	Ronja Maloy	Nordfugløy	4 h 10 min
20 Aug 2024	Ronja Heroy	Linesvika	8 h 11 min
19 Aug 2024	Ronja Heroy	Linesvika	2 h 51 min
19 Aug 2024	Ronja Heroy	Jektvika I	10 h 47 min
18 Aug 2024	Ronja Heroy	Jektvika I	21 h 13 min
17 Aug 2024	Ronja Heroy	Jektvika I	15 h 12 min
16 Aug 2024	Ronja Heroy	Jektvika I	9 h 10 min
03 Aug 2024	Ro North	Hestøy	17 h 35 min
31 Jul 2024	Ro North	Hestøy	64 h 44 min
04 Jun 2024	Ro North	Linesvika	1 h 46 min
03 Jun 2024	Ro North	Linesvika	5 h 26 min
03 Jun 2024	Ro North	Fleina	2 h 59 min
28 May 2024	Ro North	Vedøya	15 h 32 min
26 May 2024	Ro North	Vedøya	44 h 34 min

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

Licences

Site MAB: 4,680 tonnes

Licence	Type	Capacity	Holder
N BR 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N L 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N L 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N ME 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS
N ME 0028	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS
N R 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS
N R 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N R 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS
N R 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS
N R 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N R 0029	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N R 0030	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS

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