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The Salmon Ledger
NOEN

Håøya Nø

Site 12011 · Tysvær municipality · Production area 2, Ryfylke

Near the lice limit, week 39Operated by Nordsjø Fjordbruk AS · group unknown
Follow this farmDownload CSV
0.43Adult female lice per fishLimit 0.50 · near the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
1Weeks above the limit in 2026of 40 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
8Lice treatments in 2026Latest: Mechanical delousing, 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
6Wellboat visits in 2026by 1 vessel · latest 11 Aug 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
Show as table
Adult female lice per fish per week, 2026
WeekAdult female lice per fishLice limitStatus
10.000.5Below the limit
20.050.5Below the limit
30.230.5Below the limit
40.200.5Below the limit
50.280.5Below the limit
60.300.5Below the limit
70.250.5Below the limit
80.200.5Below the limit
90.280.5Below the limit
100.300.5Below the limit
110.330.5Below the limit
120.480.5Near the limit
130.380.5Below the limit
140.480.5Near the limit
150.400.5Near the limit
160.120.2Below the limit
170.100.2Below the limit
180.080.2Below the limit
190.130.2Below the limit
200.050.2Below the limit
210.130.2Below the limit
220.150.5Below the limit
230.130.5Below the limit
240.350.5Below the limit
250.250.5Below the limit
260.280.5Below the limit
270.430.5Near the limit
280.020.5Below the limit
290.000.5Below the limit
300.030.5Below the limit
310.180.5Below the limit
320.430.5Near the limit
330.020.5Below the limit
340.030.5Below the limit
350.030.5Below the limit
360.450.5Near the limit
371.530.5Above the limit
380.080.5Below the limit
390.430.5Near the limit
400.300.5Below the limit

Earlier years

20250 of 11 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
Show as table
Adult female lice per fish per week, 2025
WeekAdult female lice per fishLice limitStatus
1unknown0.5Not reported
2unknown0.5Not reported
3unknown0.5Not reported
4unknown0.5Not reported
5unknown0.5Not reported
6unknown0.5Not reported
7unknown0.5Not reported
8unknown0.5Not reported
9unknown0.5Not reported
10unknown0.5Not reported
11unknown0.5Not reported
12unknown0.5Not reported
13unknown0.5Not reported
14unknown0.5Not reported
15unknown0.5Not reported
16unknown0.2Not reported
17unknown0.2Not reported
18unknown0.2Not reported
19unknown0.2Not reported
20unknown0.2Not reported
21unknown0.2Not reported
22unknown0.5Not reported
23unknown0.5Not reported
24unknown0.5Not reported
25unknown0.5Not reported
26unknown0.5Not reported
27unknown0.5Not reported
28unknown0.5Not reported
29unknown0.5Not reported
30unknown0.5Not reported
31unknown0.5Not reported
32unknown0.5Not reported
33unknown0.5Not reported
34unknown0.5Not reported
35unknown0.5Not reported
36unknown0.5Not reported
37unknown0.5Not reported
38unknown0.5Not reported
39unknown0.5Reported without a count
40unknown0.5Not reported
41unknown0.5Not reported
420.000.5Below the limit
430.000.5Below the limit
440.000.5Below the limit
450.000.5Below the limit
460.000.5Below the limit
470.000.5Below the limit
480.000.5Below the limit
490.030.5Below the limit
500.000.5Below the limit
510.030.5Below the limit
520.000.5Below the limit
20242 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
Show as table
Adult female lice per fish per week, 2024
WeekAdult female lice per fishLice limitStatus
10.180.5Below the limit
20.230.5Below the limit
30.080.5Below the limit
40.130.5Below the limit
50.230.5Below the limit
60.250.5Below the limit
70.300.5Below the limit
80.250.5Below the limit
90.100.5Below the limit
100.150.5Below the limit
110.250.5Below the limit
120.180.5Below the limit
130.180.5Below the limit
140.230.5Below the limit
150.150.5Below the limit
160.150.2Below the limit
170.030.2Below the limit
180.030.2Below the limit
190.030.2Below the limit
200.000.2Below the limit
210.000.2Below the limit
220.050.5Below the limit
230.100.5Below the limit
240.080.5Below the limit
250.100.5Below the limit
260.100.5Below the limit
270.180.5Below the limit
280.150.5Below the limit
290.230.5Below the limit
300.250.5Below the limit
310.130.5Below the limit
320.450.5Near the limit
330.450.5Near the limit
340.380.5Below the limit
350.480.5Near the limit
360.180.5Below the limit
370.180.5Below the limit
380.280.5Below the limit
390.450.5Near the limit
400.080.5Below the limit
410.000.5Below the limit
420.100.5Below the limit
431.000.5Above the limit
441.040.5Above the limit
450.010.5Below the limit
460.100.5Below the limit
470.150.5Below the limit
480.100.5Below the limit
490.100.5Below the limit
500.150.5Below the limit
510.300.5Below the limit
520.450.5Near 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
Show as table
Adult female lice per fish per week, 2023
WeekAdult female lice per fishLice limitStatus
400.000.5Below the limit
410.000.5Below the limit
420.000.5Below the limit
430.000.5Below the limit
440.000.5Below the limit
450.000.5Below the limit
460.000.5Below the limit
470.000.5Below the limit
480.000.5Below the limit
490.180.5Below the limit
500.180.5Below the limit
510.230.5Below the limit
520.200.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 38, 2026
    Mechanical delousingWhole site
  • Week 33, 2026
    Thermal delousingWhole site
  • Week 28, 2026
    Thermal delousingWhole site
  • Week 16, 2026
    Thermal delousing1 pen
Show all 14
  • Week 5, 2026
    Medicinal feedWhole site · Diflubenzuron
  • Week 4, 2026
    Medicinal feedWhole site · Diflubenzuron
  • Week 3, 2026
    Medicinal feedWhole site · Diflubenzuron
  • Week 2, 2026
    Medicinal feedWhole site · Diflubenzuron
  • Week 44, 2024
    Mechanical delousing1 pen
  • Week 40, 2024
    Thermal delousingWhole site
  • Week 36, 2024
    Thermal delousingWhole site
  • Week 17, 2024
    Thermal delousingWhole site
  • Week 9, 2024
    Medicinal bathWhole site · Azamethiphos
  • Week 48, 2023
    Medicinal feedWhole site · Teflubenzuron

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

6 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.

ArrivalVesselPrevious farm (14 days)Duration
11 Aug 2026Kristoffer TrondsSunde12 h 28 min
11 Aug 2026Kristoffer TrondsSunde11 h 18 min
04 Aug 2026Kristoffer TrondsSunde2 h 23 min
10 Jul 2026Kristoffer TrondsSkavhella22 h 25 min
01 Jul 2026Kristoffer TrondsLangøyna Ø35 min
16 Apr 2026Kristoffer TrondsSunde10 h 9 min
16 Oct 2025RosteinStorevik1 h 10 min
14 Oct 2025RosteinStorevik1 h 22 min
04 Jan 2025Kristoffer TrondsSunde1 h 43 min
04 Jan 2025Kristoffer TrondsOnarøy2 h 55 min
06 Nov 2024Kristoffer TrondsLangøyna Ø9 h 1 min
05 Nov 2024Kristoffer TrondsLangøyna Ø2 h 57 min
Show 188 older visits
ArrivalVesselPrevious farm (14 days)Duration
30 Oct 2024Kristoffer TrondsSunde6 h 48 min
02 Oct 2024Kristoffer TrondsSunde29 h 52 min
05 Sep 2024Kristoffer TrondsSunde42 min
05 Sep 2024Kristoffer TrondsSunde10 h 59 min
05 Sep 2024NavoeyDjupestallen3 h 37 min
04 Sep 2024Kristoffer TrondsSunde10 h 21 min
04 Sep 2024NavoeyDjupestallen2 h 17 min
03 Sep 2024NavoeyDjupestallen7 h 30 min
03 Sep 2024NavoeyDjupestallen3 h 40 min
02 Sep 2024NavoeyDjupestallen11 h 52 min
01 Sep 2024NavoeyDjupestallen11 h 8 min
01 Sep 2024NavoeyDjupestallen7 h 13 min
31 Aug 2024NavoeyDjupestallen2 h 10 min
31 Aug 2024NavoeyDjupestallen12 h 4 min
30 Aug 2024NavoeyDjupestallen14 h 22 min
19 Jul 2024Krabatno other farm55 min
19 Jul 2024Krabatno other farm2 h 48 min
16 Jul 2024Krabatno other farm6 h 30 min
15 Jul 2024Krabatno other farm10 h 5 min
14 Jul 2024Krabatno other farm6 h 52 min
13 Jul 2024Krabatno other farm5 h 0 min
12 Jul 2024Krabatno other farm5 h 52 min
11 Jul 2024Krabatno other farm9 h 28 min
10 Jul 2024Krabatno other farm6 h 36 min
09 Jul 2024Krabatno other farm7 h 5 min
08 Jul 2024Krabatno other farm7 h 28 min
07 Jul 2024Krabatno other farm5 h 55 min
06 Jul 2024Krabatno other farm6 h 21 min
05 Jul 2024Krabatno other farm6 h 26 min
04 Jul 2024Krabatno other farm5 h 17 min
03 Jul 2024Krabatno other farm2 h 6 min
03 Jul 2024Krabatno other farm36 min
02 Jul 2024Krabatno other farm7 h 18 min
01 Jul 2024Krabatno other farm5 h 22 min
30 Jun 2024Krabatno other farm4 h 48 min
29 Jun 2024Krabatno other farm6 h 11 min
28 Jun 2024Krabatno other farm5 h 49 min
27 Jun 2024Krabatno other farm5 h 33 min
26 Jun 2024Krabatno other farm5 h 17 min
25 Jun 2024Krabatno other farm6 h 26 min
24 Jun 2024Krabatno other farm3 h 2 min
24 Jun 2024Krabatno other farm59 min
23 Jun 2024Krabatno other farm5 h 55 min
22 Jun 2024Krabatno other farm8 h 9 min
21 Jun 2024Krabatno other farm5 h 58 min
20 Jun 2024Krabatno other farm6 h 57 min
19 Jun 2024Krabatno other farm6 h 50 min
18 Jun 2024Krabatno other farm6 h 33 min
17 Jun 2024Krabatno other farm6 h 59 min
16 Jun 2024Krabatno other farm6 h 18 min
15 Jun 2024Krabatno other farm5 h 18 min
14 Jun 2024Krabatno other farm7 h 47 min
13 Jun 2024Krabatno other farm6 h 45 min
12 Jun 2024Krabatno other farm6 h 46 min
11 Jun 2024Krabatno other farm6 h 49 min
10 Jun 2024Krabatno other farm5 h 1 min
10 Jun 2024Krabatno other farm1 h 49 min
08 Jun 2024Krabatno other farm7 h 15 min
07 Jun 2024Krabatno other farm7 h 33 min
06 Jun 2024Krabatno other farm1 h 45 min
06 Jun 2024Krabatno other farm1 h 33 min
05 Jun 2024Krabatno other farm6 h 45 min
04 Jun 2024Krabatno other farm5 h 48 min
03 Jun 2024Krabatno other farm6 h 30 min
02 Jun 2024Krabatno other farm5 h 37 min
01 Jun 2024Krabatno other farm5 h 6 min
31 May 2024Krabatno other farm6 h 37 min
30 May 2024Krabatno other farm4 h 27 min
29 May 2024Krabatno other farm6 h 15 min
28 May 2024Krabatno other farm4 h 51 min
27 May 2024Krabatno other farm7 h 20 min
26 May 2024Krabatno other farm4 h 34 min
25 May 2024Krabatno other farm5 h 46 min
24 May 2024Krabatno other farm6 h 16 min
23 May 2024Krabatno other farm2 h 46 min
22 May 2024Krabatno other farm4 h 41 min
21 May 2024Krabatno other farm6 h 6 min
20 May 2024Krabatno other farm5 h 25 min
19 May 2024Krabatno other farm5 h 17 min
18 May 2024Krabatno other farm5 h 12 min
17 May 2024Krabatno other farm4 h 41 min
16 May 2024Krabatno other farm3 h 11 min
15 May 2024Krabatno other farm7 h 2 min
14 May 2024Krabatno other farm5 h 57 min
13 May 2024Krabatno other farm7 h 40 min
12 May 2024Krabatno other farm4 h 37 min
11 May 2024Krabatno other farm5 h 50 min
10 May 2024Krabatno other farm5 h 27 min
09 May 2024Krabatno other farm6 h 3 min
08 May 2024Krabatno other farm6 h 57 min
07 May 2024Krabatno other farm6 h 32 min
06 May 2024Krabatno other farm7 h 59 min
05 May 2024Krabatno other farm6 h 36 min
04 May 2024Krabatno other farm5 h 46 min
03 May 2024Krabatno other farm5 h 21 min
02 May 2024Krabatno other farm5 h 2 min
01 May 2024Krabatno other farm5 h 15 min
30 Apr 2024Krabatno other farm1 h 46 min
29 Apr 2024Krabatno other farm5 h 50 min
28 Apr 2024Krabatno other farm7 h 4 min
27 Apr 2024Krabatno other farm14 h 15 min
27 Apr 2024Kristoffer TrondsSunde13 h 50 min
27 Apr 2024NavoeyHaugsnesvåg13 h 12 min
26 Apr 2024Krabatno other farm2 h 30 min
26 Apr 2024Krabatno other farm1 h 57 min
26 Apr 2024NavoeyHaugsnesvåg15 h 36 min
25 Apr 2024Krabatno other farm5 h 2 min
25 Apr 2024NavoeyHaugsnesvåg11 h 22 min
24 Apr 2024Krabatno other farm5 h 50 min
24 Apr 2024NavoeyHaugsnesvåg17 h 39 min
23 Apr 2024NavoeyHaugsnesvåg1 h 19 min
22 Apr 2024Krabatno other farm5 h 24 min
21 Apr 2024Krabatno other farm5 h 23 min
20 Apr 2024Krabatno other farm5 h 7 min
19 Apr 2024Krabatno other farm4 h 54 min
18 Apr 2024Krabatno other farm5 h 18 min
17 Apr 2024Krabatno other farm5 h 23 min
16 Apr 2024Krabatno other farm5 h 21 min
15 Apr 2024Krabatno other farm7 h 7 min
14 Apr 2024Krabatno other farm4 h 18 min
13 Apr 2024Krabatno other farm4 h 47 min
12 Apr 2024Krabatno other farm6 h 14 min
11 Apr 2024Krabatno other farm3 h 18 min
11 Apr 2024Krabatno other farm34 min
10 Apr 2024Krabatno other farm4 h 24 min
09 Apr 2024Krabatno other farm4 h 51 min
08 Apr 2024Krabatno other farm5 h 35 min
07 Apr 2024Krabatno other farm1 h 41 min
06 Apr 2024Krabatno other farm3 h 59 min
05 Apr 2024Krabatno other farm7 h 34 min
04 Apr 2024Krabatno other farm2 h 48 min
03 Apr 2024Krabatno other farm5 h 41 min
02 Apr 2024Krabatno other farm2 h 5 min
01 Apr 2024Krabatno other farm6 h 39 min
31 Mar 2024Krabatno other farm4 h 32 min
30 Mar 2024Krabatno other farm5 h 58 min
29 Mar 2024Krabatno other farm5 h 31 min
28 Mar 2024Krabatno other farm6 h 26 min
27 Mar 2024Krabatno other farm5 h 25 min
26 Mar 2024Krabatno other farm4 h 39 min
25 Mar 2024Krabatno other farm1 h 40 min
25 Mar 2024Krabatno other farm1 h 28 min
24 Mar 2024Krabatno other farm3 h 38 min
23 Mar 2024Krabatno other farm4 h 36 min
22 Mar 2024Krabatno other farm4 h 57 min
21 Mar 2024Krabatno other farm5 h 7 min
20 Mar 2024Krabatno other farm4 h 47 min
19 Mar 2024Krabatno other farm2 h 2 min
19 Mar 2024Krabatno other farm1 h 50 min
18 Mar 2024Krabatno other farm6 h 51 min
17 Mar 2024Krabatno other farm5 h 33 min
16 Mar 2024Krabatno other farm5 h 38 min
15 Mar 2024Krabatno other farm5 h 45 min
14 Mar 2024Krabatno other farm3 h 0 min
13 Mar 2024Krabatno other farm4 h 31 min
12 Mar 2024Krabatno other farm4 h 34 min
11 Mar 2024Krabatno other farm6 h 11 min
10 Mar 2024Krabatno other farm6 h 12 min
09 Mar 2024Krabatno other farm4 h 33 min
08 Mar 2024Krabatno other farm6 h 41 min
07 Mar 2024NavoeyKvernavika1 h 5 min
07 Mar 2024Krabatno other farm6 h 2 min
06 Mar 2024Krabatno other farm5 h 46 min
05 Mar 2024Krabatno other farm6 h 47 min
04 Mar 2024Krabatno other farm6 h 7 min
03 Mar 2024Krabatno other farm7 h 19 min
02 Mar 2024Krabatno other farm4 h 13 min
01 Mar 2024Krabatno other farm11 h 26 min
29 Feb 2024Krabatno other farm7 h 37 min
28 Feb 2024Krabatno other farm6 h 25 min
27 Feb 2024Krabatno other farm47 min
26 Feb 2024Krabatno other farm7 h 50 min
25 Feb 2024Krabatno other farm34 min
24 Feb 2024Krabatno other farm2 h 16 min
23 Feb 2024Krabatno other farm5 h 0 min
22 Feb 2024Krabatno other farm4 h 15 min
21 Feb 2024Krabatno other farm6 h 52 min
20 Feb 2024Krabatno other farm1 h 23 min
19 Feb 2024Krabatno other farm6 h 53 min
18 Feb 2024Krabatno other farm5 h 25 min
17 Feb 2024Krabatno other farm5 h 24 min
16 Feb 2024Krabatno other farm6 h 1 min
15 Feb 2024Krabatno other farm5 h 4 min
14 Feb 2024Krabatno other farm4 h 8 min
13 Feb 2024Krabatno other farm4 h 26 min
12 Feb 2024Krabatno other farm6 h 3 min
11 Feb 2024Krabatno other farm3 h 44 min
09 Feb 2024Krabatno other farm4 h 2 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.

CompanyFromTo
Toftøy Fjordbruk ASWeek 40, 2023Week 49, 2023
Rogaland Fjordbruk ASWeek 41, 2023Week 47, 2025
Nordsjø Fjordbruk ASWeek 48, 2025Week 40, 2026

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

Licences

Site MAB: 2,340 tonnes
LicenceTypeCapacityHolder
H K 0034Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tNordsjø Fjordbruk AS
H K 0051Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tFjelberg Fjordbruk AS
H K 0062Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tFjelberg Fjordbruk AS
R FD 0005Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tNordsjø Fjordbruk AS
R H 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tRøvær Fjordbruk AS
R R 0009Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tNordsjø Fjordbruk AS
R SD 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tNordsjø Fjordbruk AS
R SD 0005Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tNordsjø Fjordbruk AS
R SD 0021Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tNordsjø Fjordbruk AS
R SD 0033Kommersiell / matfiskSalmon, Rainbow trout, Trout527 tNordsjø Fjordbruk AS
R SS 0017Kommersiell / matfiskSalmon, Rainbow trout, Trout830 tNordsjø Fjordbruk AS
R TV 0001Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tNordsjø Fjordbruk AS
R TV 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tNordsjø Fjordbruk AS
R TV 0006Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tNordsjø Fjordbruk AS

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