Hindholmen

Site 10410 · Nærøysund municipality · Production area 7, Nord-Trøndelag med Bindal

Status unknown: not reported in week 39Operated by Sinkaberg Havbruk AS · group unknown

unknownAdult female lice per fishNo count in week 39. Latest: 0.33 in week 27, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 27 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

8Lice treatments in 2026Latest: Mechanical delousing, week 26, 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

11Wellboat visits in 2026by 3 different vessels · latest 30 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 16–21 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	0.33	0.5	Below the limit
2	0.48	0.5	Near the limit
3	0.26	0.5	Below the limit
4	0.38	0.5	Below the limit
5	0.47	0.5	Near the limit
6	0.21	0.5	Below the limit
7	0.30	0.5	Below the limit
8	0.21	0.5	Below the limit
9	0.45	0.5	Near the limit
10	0.37	0.5	Below the limit
11	0.08	0.5	Below the limit
12	0.10	0.5	Below the limit
13	0.13	0.5	Below the limit
14	0.18	0.5	Below the limit
15	0.08	0.5	Below the limit
16	0.05	0.2	Below the limit
17	0.17	0.2	Near the limit
18	0.09	0.2	Below the limit
19	0.10	0.2	Below the limit
20	0.15	0.2	Below the limit
21	0.18	0.2	Near the limit
22	0.49	0.5	Near the limit
23	0.43	0.5	Near the limit
24	0.28	0.5	Below the limit
25	0.30	0.5	Below the limit
26	0.15	0.5	Below the limit
27	0.33	0.5	Below the limit
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 22 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	0.2	Not reported
17	unknown	0.2	Not reported
18	unknown	0.2	Not reported
19	unknown	0.2	Not reported
20	unknown	0.2	Not reported
21	unknown	0.2	Not reported
22	unknown	0.5	Not reported
23	unknown	0.5	Not reported
24	unknown	0.5	Not reported
25	unknown	0.5	Not reported
26	unknown	0.5	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	0.05	0.5	Below the limit
36	0.42	0.5	Near the limit
37	0.31	0.5	Below the limit
38	0.27	0.5	Below the limit
39	0.30	0.5	Below the limit
40	0.05	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.10	0.5	Below the limit
43	0.15	0.5	Below the limit
44	0.47	0.5	Near the limit
45	0.13	0.5	Below the limit
46	0.18	0.5	Below the limit
47	0.13	0.5	Below the limit
48	0.32	0.5	Below the limit
49	0.47	0.5	Near the limit
50	0.47	0.5	Near the limit
51	0.42	0.5	Near the limit
52	0.32	0.5	Below the limit

20240 of 43 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	0.10	0.5	Below the limit
2	0.08	0.5	Below the limit
3	0.18	0.5	Below the limit
4	0.37	0.5	Below the limit
5	0.35	0.5	Below the limit
6	0.43	0.5	Near the limit
7	0.37	0.5	Below the limit
8	0.37	0.5	Below the limit
9	0.27	0.5	Below the limit
10	0.42	0.5	Near the limit
11	0.10	0.5	Below the limit
12	0.07	0.5	Below the limit
13	0.07	0.5	Below the limit
14	0.15	0.5	Below the limit
15	0.06	0.5	Below the limit
16	0.06	0.2	Below the limit
17	0.05	0.2	Below the limit
18	0.10	0.2	Below the limit
19	0.11	0.2	Below the limit
20	0.11	0.2	Below the limit
21	0.13	0.2	Below the limit
22	0.31	0.5	Below the limit
23	0.20	0.5	Below the limit
24	0.08	0.5	Below the limit
25	0.10	0.5	Below the limit
26	0.13	0.5	Below the limit
27	0.06	0.5	Below the limit
28	0.13	0.5	Below the limit
29	0.15	0.5	Below the limit
30	0.21	0.5	Below the limit
31	0.45	0.5	Near the limit
32	0.25	0.5	Below the limit
33	0.45	0.5	Near the limit
34	0.44	0.5	Near the limit
35	0.47	0.5	Near the limit
36	0.48	0.5	Near the limit
37	0.36	0.5	Below the limit
38	0.26	0.5	Below the limit
39	0.23	0.5	Below the limit
40	0.36	0.5	Below the limit
41	0.26	0.5	Below the limit
42	0.22	0.5	Below the limit
43	0.16	0.5	Below the limit
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

20230 of 4 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	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	0.03	0.5	Below the limit
50	0.03	0.5	Below the limit
51	0.03	0.5	Below the limit
52	0.08	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 26, 2026
Mechanical delousingWhole site
Week 23, 2026
Mechanical delousingWhole site
Week 18, 2026
Thermal delousingWhole site
Week 15, 2026
Mechanical delousingWhole site

Show all 25

Week 13, 2026
Thermal delousingWhole site
Week 10, 2026
Thermal delousingWhole site
Week 6, 2026
Thermal delousing, Freshwater treatmentWhole site
Week 3, 2026
Thermal delousingWhole site
Week 51, 2025
Medicinal bath, Thermal delousing3 pens · Azamethiphos
Week 45, 2025
Thermal delousingWhole site
Week 39, 2025
Medicinal bathWhole site · Deltamethrin
Week 36, 2025
Freshwater treatmentWhole site
Week 42, 2024
Thermal delousingWhole site
Week 40, 2024
Mechanical delousingWhole site
Week 38, 2024
Thermal delousingWhole site
Week 37, 2024
Thermal delousingWhole site
Week 35, 2024
Mechanical delousingWhole site
Week 34, 2024
Thermal delousingWhole site
Week 32, 2024
Mechanical delousingWhole site
Week 29, 2024
Mechanical delousingWhole site
Week 27, 2024
Mechanical delousingWhole site
Week 23, 2024
Mechanical delousing, Freshwater treatmentWhole site
Week 11, 2024
Mechanical delousingWhole site
Week 8, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 7, 2024
Medicinal bath, Medicinal feedWhole site · Azamethiphos · 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

11 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
30 Jul 2026	Ronja Explorer	Marøya	1 h 47 min
28 Jul 2026	Ronja Explorer	Marøya	2 h 20 min
03 Jun 2026	Ronja Naeroeysund	Marøya	1 h 35 min
02 Jun 2026	Ronja Naeroeysund	Marøya	15 h 16 min
29 Apr 2026	Ronja Ocean	Marøya	12 h 0 min
11 Apr 2026	Ronja Naeroeysund	Purkholmen	1 h 47 min
10 Apr 2026	Ronja Naeroeysund	Purkholmen	13 h 4 min
27 Mar 2026	Ronja Ocean	Smineset N	14 h 50 min
08 Mar 2026	Ronja Ocean	Smineset N	13 h 0 min
05 Feb 2026	Ronja Ocean	Helligholmen	57 min
17 Jan 2026	Ronja Ocean	Stasøya	7 h 11 min
20 Dec 2025	Ronja Ocean	Ternskjæret II	2 h 14 min

Show 15 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
20 Dec 2025	Ronja Ocean	Ternskjæret II	9 h 35 min
25 Sep 2025	Ronja Naeroeysund	Marøya	2 h 27 min
25 Sep 2025	Ronja Naeroeysund	Marøya	4 h 28 min
07 Sep 2025	Ronja Naeroeysund	Kråkøya	12 h 39 min
25 Jul 2025	Viknatrans	Klungset	53 min
24 Jul 2025	Viknatrans	Klungset	39 min
02 Nov 2024	Ronja Explorer	Marøya	1 h 46 min
29 Oct 2024	Ronja Explorer	Marøya	1 h 36 min
19 Oct 2024	Ronja Ocean	Øksningen	12 h 41 min
18 Sep 2024	Ronja Ocean	Heggvika	8 h 37 min
09 Sep 2024	Ronja Ocean	Båsen	11 h 35 min
20 Aug 2024	Ronja Ocean	Kipholmen	13 h 0 min
01 Jul 2024	Ronja Ocean	Marøya	9 h 50 min
06 Jun 2024	Ronja Naeroeysund	Ternskjæret II	15 h 11 min
12 Mar 2024	Ronja Ocean	Nye Skorpa disease or zone there	11 h 15 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
Val Skoler AS	Week 49, 2023	Week 43, 2024
Sinkaberg Havbruk AS	Week 31, 2025	Week 27, 2026

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

Licences

Site MAB: 975 tonnes

Licence	Type	Capacity	Holder
NT NR 0008	Undervisning / matfiskSalmon, Rainbow trout, Trout	780 t	Val Skoler AS
NT NR 0047	Forskning / matfiskSalmon, Rainbow trout, Trout	780 t	Pharmaq AS
NT NR 0064	Kommersiell / settefiskRognkjeks	unknown	Val Skoler AS
TR NR 0006	Forskning / matfiskSalmon	780 t	Pharmaq AS

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