Wastewater Characterization of Fish Processing Plant Effluents

efficient water use during low production days. Therefore, facilities with high daily
production would have lower contaminant loading rates than indicated in Table 4.
Table 4 Geometric Mean, Range and Average Contaminant Levels per Weight of Fish Processed
Statistical Loading [kg/tonne]
Facility Parameter BOD COD TSS NH -N
4
Average 24 75 14 9.3
BC Packers Range 0.1 - 210 0.5 - 553 0.1 - 167 0.0 - 111
Geo. Mean 7 18 4 0.7
Average 15 4 14 0.1
Bella Coola Range 0.7 - 69 3 - 6 0.6 - 69 0.02 - 0.1
Geo. Mean 6 4 5 0.04
Average 7 14 3 0.3
Lions' Gate Range 0.6 - 28 3 - 39 0.5 - 10 0.1 - 0.5
Geo. Mean 7 9 2 0.2
Average 34 78 22 6.5
Industry Range 0.1 - 1830 0.1 - 2575 0.1 - 1415 0.0 - 111
Geo. Mean 6 9 3 0.4
Variations in daily production, water use and waste concentration make it difficult to calculate
precisely the amount of waste generated per unit of production. Geometric mean values for BC
Packers, Bella Coola and Lions' Gate, and industry geometric mean values for other facilities,
presented in Table 4 have been used to estimate annual contaminant loading to the Fraser River
Estuary. It was not possible to estimate daily loadings based on month by month seasonal
variations due to insufficient existing information.
FREMP 03/21/1994
Fish Processing Plant Effluent 89