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The Salmon Ledger
NOEN

Suholmen

Site 36100 · Smøla municipality · Production area 6, Nordmøre og Sør-Trøndelag

Below the lice limit, week 39Operated by Salmar Oppdrett AS · group SalMar
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0.19Adult 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 26 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
2Lice treatments in 2026Latest: Mechanical delousing, 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
7Wellboat visits in 2026by 2 different vessels · latest 11 Apr 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026
2Escapes reported1-10 salmon, June 2026Since 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
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
140.000.5Below the limit
150.000.5Below the limit
160.000.2Below the limit
170.000.2Below the limit
180.000.2Below the limit
190.000.2Below the limit
200.000.2Below the limit
210.000.2Below the limit
220.000.5Below the limit
230.000.5Below the limit
240.000.5Below the limit
250.000.5Below the limit
260.000.5Below the limit
270.010.5Below the limit
280.020.5Below the limit
290.020.5Below the limit
300.060.5Below the limit
310.030.5Below the limit
320.070.5Below the limit
330.050.5Below the limit
340.100.5Below the limit
350.150.5Below the limit
360.490.5Near the limit
370.060.5Below the limit
380.140.5Below the limit
390.190.5Below the limit

Earlier years

20258 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, 2025
WeekAdult female lice per fishLice limitStatus
10.670.5Above the limit
20.310.5Below the limit
30.290.5Below the limit
40.110.5Below the limit
50.090.5Below the limit
60.090.5Below the limit
70.060.5Below the limit
80.080.5Below the limit
90.060.5Below the limit
100.240.5Below the limit
110.220.5Below the limit
120.290.5Below the limit
130.460.5Near the limit
140.650.5Above the limit
150.230.5Below the limit
160.040.2Below the limit
170.030.2Below the limit
180.060.2Below the limit
190.080.2Below the limit
200.130.2Below the limit
210.180.2Near the limit
220.330.5Below the limit
230.060.5Below the limit
240.090.5Below the limit
250.150.5Below the limit
260.360.5Below the limit
270.480.5Near the limit
280.290.5Below the limit
290.380.5Below the limit
300.780.5Above the limit
312.030.5Above the limit
321.240.5Above the limit
331.460.5Above the limit
340.440.5Near the limit
350.470.5Near the limit
360.470.5Near the limit
370.380.5Below the limit
380.300.5Below the limit
390.110.5Below the limit
400.150.5Below the limit
410.390.5Below the limit
421.290.5Above the limit
431.790.5Above the limit
440.240.5Below the limit
450.260.5Below the limit
460.330.5Below the limit
470.470.5Near the limit
480.460.5Near the limit
490.200.5Below the limit
500.300.5Below the limit
510.280.5Below the limit
520.480.5Near the limit
20241 of 28 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
WeekAdult female lice per fishLice limitStatus
10.300.5Below the limit
20.350.5Below the limit
30.330.5Below the limit
40.280.5Below the limit
50.410.5Near the limit
60.400.5Near the limit
70.490.5Near the limit
80.480.5Near the limit
90.480.5Near the limit
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
340.000.5Below the limit
350.000.5Below the limit
360.000.5Below the limit
370.000.5Below the limit
380.000.5Below the limit
390.110.5Below the limit
400.220.5Below the limit
410.080.5Below the limit
420.200.5Below the limit
430.140.5Below the limit
440.240.5Below the limit
450.170.5Below the limit
460.260.5Below the limit
470.440.5Near the limit
480.480.5Near the limit
490.460.5Near the limit
500.760.5Above the limit
510.470.5Near the limit
520.460.5Near 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
400.160.5Below the limit
410.250.5Below the limit
420.340.5Below the limit
430.200.5Below the limit
440.340.5Below the limit
450.180.5Below the limit
460.160.5Below the limit
470.270.5Below the limit
480.310.5Below the limit
490.300.5Below the limit
500.340.5Below the limit
510.370.5Below the limit
520.310.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 37, 2026
    Mechanical delousing4 pens
  • Week 36, 2026
    Mechanical delousing2 pens
  • Week 48, 2025
    Mechanical delousing3 pens
  • Week 44, 2025
    Mechanical delousing5 pens
Show all 24
  • Week 43, 2025
    Mechanical delousing1 pen
  • Week 39, 2025
    Mechanical delousing7 pens
  • Week 37, 2025
    Other treatment7 pens · Ferskvann/Thermolicer
  • Week 35, 2025
    Mechanical delousing2 pens
  • Week 34, 2025
    Mechanical delousing5 pens
  • Week 33, 2025
    Mechanical delousing4 pens
  • Week 32, 2025
    Mechanical delousing2 pens
  • Week 31, 2025
    Mechanical delousing1 pen
  • Week 30, 2025
    Mechanical delousing3 pens
  • Week 28, 2025
    Mechanical delousing4 pens
  • Week 27, 2025
    Mechanical delousing5 pens
  • Week 23, 2025
    Mechanical delousing7 pens
  • Week 16, 2025
    Mechanical delousing1 pen
  • Week 15, 2025
    Mechanical delousing6 pens
  • Week 4, 2025
    Other treatment2 pens · FreshWell
  • Week 2, 2025
    Other treatment3 pens · FreshWell
  • Week 51, 2024
    Mechanical delousing2 pens
  • Week 44, 2023
    Other treatment1 pen · Hydrolicer
  • Week 43, 2023
    Other treatment2 pens · Hydrolicer
  • Week 40, 2023
    Other treatment4 pens · Hydrolicer

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
  • 28 Jun 2026
    1-10 salmon escapedCause: Menneskelig svikt. Det var glemt å sette tilbakeføringsslange fra båt til merd. · recaptured 1 · Directorate of Fisheries
  • 06 Oct 2019
    1 salmon escapedCause: Foreløpig ukjent · recaptured 1 · Directorate of Fisheries

Wellboat visits

7 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 Apr 2026Ronja AuroraKvitholmen3 h 27 min
09 Apr 2026Ronja AuroraKvitholmen3 h 24 min
04 Apr 2026Ronja AuroraLybergsvika4 h 33 min
10 Jan 2026Froy OdinNordskag3 h 13 min
09 Jan 2026Froy OdinNordskag3 h 43 min
06 Jan 2026Froy OdinNordskag2 h 47 min
05 Jan 2026Froy OdinNordskag3 h 33 min
21 Dec 2025Ronja PrincessTakflua4 h 53 min
05 Dec 2025Froy OdinNordskag3 h 45 min
03 Dec 2025Froy OdinNordskag2 h 5 min
25 Nov 2025Ro FjellDrevflesa35 h 11 min
23 Oct 2025RosteinNordskag1 h 1 min
Show 50 older visits
ArrivalVesselPrevious farm (14 days)Duration
23 Oct 2025RosteinNordskag1 h 49 min
23 Oct 2025RosteinNordskag37 min
20 Oct 2025AasvaerfjordNordskag1 h 8 min
26 Sep 2025AasvaerfjordSalatskjæra26 h 5 min
25 Sep 2025AasvaerfjordSalatskjæra30 h 32 min
14 Sep 2025Ro VisionTristeinen11 h 57 min
13 Sep 2025Ro VisionTristeinen8 h 46 min
13 Sep 2025Ro VisionTristeinen1 h 42 min
09 Sep 2025Ro VisionTristeinen18 h 43 min
08 Sep 2025Ro VisionTristeinen17 h 38 min
27 Aug 2025Ro VisionHjortholman3 h 57 min
25 Aug 2025Ro VisionHjortholman33 h 39 min
20 Aug 2025Ronja PrincessHallarøy V2 h 18 min
20 Aug 2025Ro VisionAndholmen 115 h 58 min
17 Aug 2025Ro VisionRuggstein41 h 34 min
15 Aug 2025Ro VisionØrnøya II7 h 53 min
14 Aug 2025Ronja PrincessNordskag3 h 30 min
14 Aug 2025Ro VisionØrnøya II22 h 11 min
13 Aug 2025Ro VisionØrnøya II8 h 51 min
12 Aug 2025Ronja PrincessGjerde3 h 40 min
11 Aug 2025AasvaerfjordKvitholmen disease or zone there22 h 4 min
11 Aug 2025Ronja PrincessNordskag3 h 23 min
08 Aug 2025AasvaerfjordKvitholmen disease or zone there23 h 24 min
08 Aug 2025AasvaerfjordKvitholmen disease or zone there11 h 25 min
01 Aug 2025AasvaerfjordTakflua10 h 51 min
13 Apr 2025Ro SenjaReiråklakken disease or zone there24 h 50 min
08 Apr 2025Ro SenjaReiråklakken disease or zone there16 h 38 min
07 Apr 2025Ro SenjaReiråklakken disease or zone there9 h 15 min
24 Jan 2025Ronja PrincessNordskag3 h 21 min
24 Jan 2025Ronja PrincessNordskag3 h 59 min
23 Jan 2025Ronja PrincessNordskag50 min
23 Jan 2025Ronja PrincessNordskag3 h 19 min
12 Jan 2025Ronja Princessno other farm11 h 28 min
11 Jan 2025Ronja Princessno other farm4 h 45 min
11 Jan 2025Ronja Princessno other farm1 h 12 min
21 Dec 2024Ronja PrincessNordskag25 h 14 min
21 Dec 2024Ronja PrincessNordskag3 h 52 min
23 Aug 2024Ronja VitaKrabbholmen4 h 23 min
23 Aug 2024Ronja VitaKrabbholmen1 h 54 min
19 Aug 2024Ronja VitaMakrellskjæret1 h 56 min
31 Mar 2024Ro SenjaNordskag1 h 40 min
30 Mar 2024Froy OdinNordskag2 h 15 min
30 Mar 2024Froy OdinHåbranden2 h 52 min
03 Mar 2024Ro VisionNordskag3 h 26 min
01 Mar 2024Ro SpiritRindarøy2 h 7 min
28 Feb 2024Ro VisionNordskag6 h 6 min
27 Feb 2024Ro VisionNordskag2 h 16 min
10 Feb 2024Ronja PrincessNordskag2 h 51 min
09 Feb 2024Ronja PrincessNordskag4 h 9 min
21 Jan 2024Froy OdinNordskag2 h 29 min

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

Licences

Site MAB: 4,680 tonnes
LicenceTypeCapacityHolder
M AV 0001Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
M HS 0005Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
M SM 0034Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
M SM 0035Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
M SM 0036Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
M SM 0043Undervisning / matfiskSalmon, Rainbow trout, Trout780 tMøre Og Romsdal Fylkeskommune
M SØ 0003Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS

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