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The Salmon Ledger
NOEN

Olvika

Site 28676 · Lurøy municipality · Production area 8, Helgeland til Bodø

Above the lice limit, week 39Operated by Kvarøy Fiskeoppdrett A/s · group unknown

Broodstock site: the limit may differ from the general one.

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0.74Adult female lice per fishLimit 0.50 · above the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
5Weeks above the limit in 2026of 39 weeks with a count · broodstock: limit may differCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
11Lice treatments in 2026Latest: Mechanical delousing, week 39, 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
19Wellboat visits in 2026by 7 different vessels · latest 12 Sep 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. Broodstock site: the limit may differ from the general one.

2026

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026Broodstock site: the limit may differ from the general one.
Show as table
Adult female lice per fish per week, 2026
WeekAdult female lice per fishLice limitStatus
10.010.5Below the limit
20.020.5Below the limit
30.000.5Below the limit
40.030.5Below the limit
50.030.5Below the limit
60.030.5Below the limit
70.030.5Below the limit
80.030.5Below the limit
90.030.5Below the limit
100.030.5Below the limit
110.030.5Below the limit
120.030.5Below the limit
130.030.5Below the limit
140.020.5Below the limit
150.020.5Below the limit
160.030.5Below the limit
170.030.5Below the limit
180.040.5Below the limit
190.030.5Below the limit
200.030.5Below the limit
210.040.2Below the limit
220.040.2Below the limit
230.110.2Below the limit
240.130.2Below the limit
250.180.2Near the limit
260.090.2Below the limit
270.080.5Below the limit
280.060.5Below the limit
290.170.5Below the limit
300.380.5Below the limit
310.650.5Above the limit
320.460.5Near the limit
330.160.5Below the limit
340.180.5Below the limit
350.400.5Near the limit
361.230.5Above the limit
371.990.5Above the limit
381.320.5Above the limit
390.740.5Above the limit

Earlier years

20250 of 27 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 2026Broodstock site: the limit may differ from the general one.
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
16unknown0.5Not reported
17unknown0.5Not reported
18unknown0.5Not reported
19unknown0.5Not reported
20unknown0.5Not reported
21unknown0.2Not reported
22unknown0.2Not reported
23unknown0.2Not reported
24unknown0.2Not reported
25unknown0.2Not reported
260.000.2Below the limit
270.000.5Below the limit
280.000.5Below the limit
290.000.5Below the limit
300.000.5Below the limit
310.000.5Below the limit
320.000.5Below the limit
330.020.5Below the limit
340.050.5Below the limit
350.020.5Below the limit
360.020.5Below the limit
370.010.5Below the limit
380.010.5Below the limit
390.020.5Below the limit
400.010.5Below the limit
410.030.5Below the limit
420.070.5Below the limit
430.030.5Below the limit
440.010.5Below the limit
450.010.5Below the limit
460.020.5Below the limit
470.010.5Below the limit
480.020.5Below the limit
490.010.5Below the limit
500.010.5Below the limit
510.020.5Below the limit
520.010.5Below the limit
20240 of 14 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 2026Broodstock site: the limit may differ from the general one.
Show as table
Adult female lice per fish per week, 2024
WeekAdult female lice per fishLice limitStatus
10.020.5Below the limit
20.020.5Below the limit
30.030.5Below the limit
40.030.5Below the limit
50.010.5Below the limit
60.050.5Below the limit
70.030.5Below the limit
80.020.5Below the limit
90.040.5Below the limit
100.030.5Below the limit
110.030.5Below the limit
120.000.5Below the limit
130.000.5Below the limit
140.030.5Below the limit
15unknown0.5Not reported
16unknown0.5Not reported
17unknown0.5Not reported
18unknown0.5Not reported
19unknown0.5Not reported
20unknown0.5Not reported
21unknown0.2Not reported
22unknown0.2Not reported
23unknown0.2Not reported
24unknown0.2Not reported
25unknown0.2Not reported
26unknown0.2Not 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
39unknown0.5Not reported
40unknown0.5Not reported
41unknown0.5Not reported
42unknown0.5Not reported
43unknown0.5Not reported
44unknown0.5Not reported
45unknown0.5Not reported
46unknown0.5Not reported
47unknown0.5Not reported
48unknown0.5Not reported
49unknown0.5Not reported
50unknown0.5Not reported
51unknown0.5Not reported
52unknown0.5Not 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 2026Broodstock site: the limit may differ from the general one.
Show as table
Adult female lice per fish per week, 2023
WeekAdult female lice per fishLice limitStatus
40unknown0.5Not reported
41unknown0.5Not reported
42unknown0.5Not reported
43unknown0.5Not reported
44unknown0.5Not reported
45unknown0.5Not reported
46unknown0.5Not reported
47unknown0.5Not reported
48unknown0.5Not reported
490.020.5Below the limit
500.020.5Below the limit
510.000.5Below the limit
520.020.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 39, 2026
    Mechanical delousing6 pens
  • Week 38, 2026
    Mechanical delousing6 pens
  • Week 37, 2026
    Mechanical delousing6 pens
  • Week 33, 2026
    Mechanical delousing, Thermal delousing, Freshwater treatment3 pens
Show all 11
  • Week 32, 2026
    Mechanical delousing11 pens
  • Week 31, 2026
    Freshwater treatment, Thermal delousing2 pens
  • Week 30, 2026
    Thermal delousing, Mechanical delousing10 pens
  • Week 28, 2026
    Mechanical delousing3 pens
  • Week 26, 2026
    Freshwater treatment, Thermal delousing12 pens
  • Week 25, 2026
    Freshwater treatment, Thermal delousing10 pens
  • Week 36, 2025
    Thermal delousing2 pens

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

19 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
12 Sep 2026Ro FortuneSelsøyvær4 h 51 min
29 Aug 2026Inter FjordØrnes47 min
15 Aug 2026Ro VentureSelsøyvær11 h 19 min
02 Aug 2026FaeroeysundNaustholmen5 h 11 min
01 Aug 2026Inter FjordSkauholmen1 h 31 min
27 Jul 2026Ro VentureSelsøyvær24 h 36 min
26 Jul 2026Ro VentureSelsøyvær42 min
12 Jul 2026Steinar OlaisenLamholmen11 h 8 min
11 Jul 2026Inter FjordSkauholmen1 h 24 min
26 Jun 2026Ro FortuneHolmen14 h 52 min
25 Jun 2026Ro FjellMarøya7 h 37 min
24 Jun 2026Ro FjellMarøya16 h 57 min
Show 26 older visits
ArrivalVesselPrevious farm (14 days)Duration
23 Jun 2026Ro FjellMarøya13 h 16 min
22 Jun 2026Ro FjellMarøya10 h 44 min
21 Jun 2026Ro FjellMarøya7 h 44 min
16 May 2026Inter FjordYstøya1 h 28 min
30 Apr 2026Ro ArcticKorsvika16 h 38 min
30 Apr 2026Ro ArcticKorsvika4 h 6 min
30 Apr 2026Ro ArcticKorsvika3 h 57 min
28 Oct 2025ViknatransFrosvika8 h 32 min
13 Oct 2025ViknatransAlsvåg49 min
12 Oct 2025ViknatransAlsvåg1 h 7 min
20 Sep 2025ViknatransKlungset43 min
09 Sep 2025ViknatransVardskjæret S2 h 40 min
08 Sep 2025ViknatransVardskjæret S4 h 14 min
21 Aug 2025ViknatransUlvan1 h 25 min
13 Apr 2024Ro NorthBrattholmen disease or zone there1 h 28 min
06 Apr 2024Ro FortuneHestøy2 h 48 min
01 Apr 2024Ro FortuneMarøya1 h 55 min
21 Mar 2024Ro FortuneHestøy1 h 17 min
10 Mar 2024Ronja HavsoyHestøy1 h 47 min
02 Mar 2024Ronja HavsoyHestøy2 h 53 min
16 Feb 2024FaeroeysundNaustholmen2 h 28 min
08 Feb 2024Ronja HavsoyAlmurden3 h 13 min
02 Feb 2024Ro SailorHestøy1 h 0 min
25 Jan 2024Ronja HavsoyHestøy2 h 23 min
18 Jan 2024Ronja HavsoyHestøy3 h 37 min
10 Jan 2024Ro NorthHestøy1 h 26 min

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

Licences

Site MAB: 3,900 tonnes
LicenceTypeCapacityHolder
N L 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout796 tKvarøy Fiskeoppdrett A/s
N L 0005Kommersiell / matfiskSalmon, Rainbow trout, Trout796 tKvarøy Fiskeoppdrett A/s
N L 0006Kommersiell / matfiskSalmon, Rainbow trout, Trout796 tKvarøy Fiskeoppdrett A/s
N L 0051Kommersiell / matfiskSalmon, Rainbow trout, Trout796 tKvarøy Fiskeoppdrett A/s
N L 0059Kommersiell / matfiskSalmon, Rainbow trout, Trout783 tLovundlaks Sjø AS
N L 0060Kommersiell / matfiskSalmon, Rainbow trout, Trout783 tLovundlaks Sjø AS
N L 0061Kommersiell / matfiskSalmon, Rainbow trout, Trout369 tLovundlaks Sjø AS
N L 0069Kommersiell / matfiskSalmon, Rainbow trout, Trout780 tOrganic Seafarm AS
N L 0070Kommersiell / matfiskSalmon, Rainbow trout, Trout900 tKvarøy Fiskeoppdrett A/s
N R 0002Kommersiell / matfiskSalmon, Rainbow trout, Trout817 tSelsøyvik Havbruk AS
N R 0013Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tSelsøyvik Havbruk AS
N R 0048Kommersiell / matfiskSalmon, Rainbow trout, Trout101 tSelsøyvik Havbruk AS
N R 0049Kommersiell / matfiskSalmon, Rainbow trout, Trout101 tSelsøyvik Havbruk AS
N SF 0021Kommersiell / stamfiskSalmon780 tBenchmark Genetics Norway AS
N SF 0023Kommersiell / stamfiskSalmon360 tBenchmark Genetics Norway AS

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