Kvalvika

Site 11074 · Rødøy municipality · Production area 8, Helgeland til Bodø

Below the lice limit, week 39Operated by Mowi Seawater Norway AS

0.06Adult 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 9 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

2Lice treatments in 2026Latest: Medicinal feed, week 38, 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

2Wellboat visits in 2026by 1 vessel · latest 04 Aug 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1 salmon, August 2020Since 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	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	0.00	0.5	Below the limit
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	0.03	0.5	Below the limit
37	0.02	0.5	Below the limit
38	0.06	0.5	Below the limit
39	0.06	0.5	Below the limit

Earlier years

20250 of 46 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	0.00	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	0.01	0.5	Below the limit
6	0.01	0.5	Below the limit
7	0.02	0.5	Below the limit
8	0.00	0.5	Below the limit
9	0.00	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	0.05	0.5	Below the limit
14	0.06	0.5	Below the limit
15	0.14	0.5	Below the limit
16	0.16	0.5	Below the limit
17	0.16	0.5	Below the limit
18	0.16	0.5	Below the limit
19	0.13	0.5	Below the limit
20	0.15	0.5	Below the limit
21	0.14	0.2	Below the limit
22	0.01	0.2	Below the limit
23	0.00	0.2	Below the limit
24	0.01	0.2	Below the limit
25	0.02	0.2	Below the limit
26	0.00	0.2	Below the limit
27	0.21	0.5	Below the limit
28	0.18	0.5	Below the limit
29	0.10	0.5	Below the limit
30	0.23	0.5	Below the limit
31	0.30	0.5	Below the limit
32	0.36	0.5	Below the limit
33	0.42	0.5	Near the limit
34	0.20	0.5	Below the limit
35	0.34	0.5	Below the limit
36	0.38	0.5	Below the limit
37	unknown	0.5	Reported without a count
38	unknown	0.5	Reported without a count
39	unknown	0.5	Not reported
40	0.03	0.5	Below the limit
41	0.08	0.5	Below the limit
42	0.07	0.5	Below the limit
43	0.30	0.5	Below the limit
44	0.32	0.5	Below the limit
45	0.27	0.5	Below the limit
46	0.30	0.5	Below the limit
47	0.40	0.5	Near the limit
48	0.40	0.5	Near the limit
49	0.49	0.5	Near the limit
50	unknown	0.5	Reported without a count
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

20240 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	0.33	0.5	Below the limit
2	0.36	0.5	Below the limit
3	unknown	0.5	Reported without a count
4	unknown	0.5	Reported without a count
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	unknown	0.5	Not reported
34	unknown	0.5	Not reported
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	0.00	0.5	Below the limit
39	0.00	0.5	Below the limit
40	0.00	0.5	Below the limit
41	0.01	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.00	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.00	0.5	Below the limit
46	0.01	0.5	Below the limit
47	0.00	0.5	Below the limit
48	0.01	0.5	Below the limit
49	0.00	0.5	Below the limit
50	0.02	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.00	0.5	Below the limit

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	0.41	0.5	Near the limit
41	0.02	0.5	Below the limit
42	0.26	0.5	Below the limit
43	0.18	0.5	Below the limit
44	0.18	0.5	Below the limit
45	0.14	0.5	Below the limit
46	0.17	0.5	Below the limit
47	0.23	0.5	Below the limit
48	0.31	0.5	Below the limit
49	0.23	0.5	Below the limit
50	0.21	0.5	Below the limit
51	0.41	0.5	Near the limit
52	0.39	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 38, 2026
Medicinal feedEmamectin benzoat
Week 37, 2026
Medicinal feedWhole site · Emamectin benzoat
Week 44, 2025
Mechanical delousingWhole site
Week 33, 2025
Mechanical delousing3 pens

Show all 11

Week 28, 2025
Mechanical delousing4 pens
Week 27, 2025
Mechanical delousing2 pens
Week 21, 2025
Mechanical delousingWhole site
Week 41, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 40, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 48, 2023
Thermal delousing1 pen
Week 41, 2023
Medicinal bathWhole site · 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

11 Aug 2020
1 salmon escapedCause: Uheldig menneskelig svikt. · recaptured 1 · Directorate of Fisheries

Wellboat visits

2 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 Aug 2026	Ronja Havsoy	Hestøy	12 h 19 min
01 Aug 2026	Ronja Havsoy	Hestøy	8 h 35 min
09 Dec 2025	Steigen	Anevik	1 h 57 min
07 Dec 2025	Steinar Olaisen	Hestøy	1 h 31 min
06 Dec 2025	Steinar Olaisen	Skauholmen	1 h 41 min
02 Dec 2025	Inter Fjord	Naustholmen	2 h 55 min
30 Sep 2025	Ro North	Digermulen	2 h 54 min
26 May 2025	Ronja Heroy	Hestøy	3 h 50 min
25 May 2025	Ronja Heroy	Hestøy	12 h 48 min
25 May 2025	Ronja Heroy	Hestøy	4 h 7 min
24 May 2025	Ronja Heroy	Hestøy	45 min
23 May 2025	Ronja Heroy	Hestøy	27 h 2 min

Show 5 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
04 Sep 2024	Ronja Havsoy	Hestøy	3 h 53 min
31 Aug 2024	Ronja Havsoy	Hestøy	4 h 23 min
28 Aug 2024	Ronja Havsoy	Hestøy	3 h 37 min
18 Jan 2024	Ronja Heroy	Hestøy	3 h 24 min
07 Jan 2024	Ro North	Klubben	2 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
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 R 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway 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

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