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Table 1 Concentration and impact of fecal coliforms in the water samples collected from inland pollution sources in the drainage area near the Changseon area, in Korea between October and November 2013

From: Bacterial quality evaluation on the shellfish-producing area along the south coast of Korea and suitability for the consumption of shellfish products therein

Station TD a FRD (L/min) FC (MPN/100 mL) AD (m) DL (MPN/day) DWR (m3) IA (m2) RHC (m)
Hai-myeon in Goseong-gun
 L1 DW 3 160,000 1 6.9 × 109 4.9 × 104 4.9 × 104 177
 L2 SW 149 330 1 7.1 × 108 5.1 × 103 5.1 × 103 57
 L3 SW 48 790 1 5.4 × 108 3.9 × 103 3.9 × 103 50
 L4 LFFW 14,000 < 1.8
 L5 SW 74 2400 1 2.6 × 109 1.8 × 104 1.8 × 104 108
 L6 LFFW 16,000 < 1.8
Sacheon City
 L7 SW 500 33 1 2.4 × 108 1.7 × 103 1.7 × 103 33
 L8 SW 600 790 1 6.8 × 109 4.9 × 104 4.9 × 104 176
 L9 SW 900 49 1 6.4 × 108 4.5 × 103 4.5 × 103 54
Changseon-myeon in Namhae-gun
 L10 SW 78 4900 1 5.5 × 109 3.9 × 104 3.9 × 104 158
 L11 SW 21 330 1 1.0 × 108 7.1 × 102 7.1 × 102 21
 L12 LFFW 30,000 < 1.8
 L13 LFFW 30,000 < 1.8
 L14 SW 500 11,000 3 7.9 × 1010 5.7 × 105 1.9 × 105 347
 L15 SW 35 79 1 4.0 × 107 2.8 × 102 2.8 × 102 13
 L16 DW 3 2400 1 1.0 × 108 7.4 × 102 7.4 × 102 22
 L17 SW 510 2400 2 1.8 × 1010 1.3 × 105 6.3 × 104 200
 L18 SW 55 49 1 3.9 × 107 2.8 × 102 2.8 × 102 13
 L19 SW 3 920 1 4.0 × 107 2.8 × 102 2.8 × 102 13
 L20 DW 20 5400 1 1.6 × 109 1.1 × 104 1.1 × 104 84
 L21 DW 10 28,000 1 4.0 × 109 2.9 × 104 2.9 × 104 135
Samdong-myeon in Namhae-gun
 L22 SW 10 24,000 1 3.5 × 109 2.5 × 104 2.5 × 104 125
 L23 SW 60 240,000 3 2.1 × 1011 1.5 × 106 4.9 × 105 561
 L24 SW 90 130 1 1.7 × 108 1.2 × 103 1.2 × 103 28
 L25 SW 3400 110 1 5.4 × 109 3.8 × 104 3.8 × 104 157
 L26 SW 220 33 1 1.0 × 108 7.5 × 102 7.5 × 102 22
 L27 SW 18 490 1 1.3 × 108 9.1 × 102 9.1 × 102 24
 L28 SW 8 2 1 2.3 × 105 1.6 × 100 1.6 × 100 1
 L29 SW 1000 79 1 1.1 × 109 8.1 × 103 8.1 × 103 72
 L30 SW 55 7900 1 6.3 × 109 4.5 × 104 4.5 × 104 169
 L31 SW 120 79 1 1.4 × 108 9.8 × 102 9.8 × 102 25
 L32 SW 82 24,000 2 2.8 × 1010 2.0 × 105 1.0 × 105 254
 L33 DW 2 1300 1 3.7 × 107 2.7 × 102 2.7 × 102 13
  1. TD type of discharge, FRD flow rate of discharge, FC fecal coliform, AD average depth; DL daily load =  FC concentration × FRD; DWR dilution water required =  DL/standard level, where FC standard level is 14 MPN/100 mL; IA impact area = DWR/AD; RHC radius of half-circle = square root (IA × 2 /3.14)
  2. aDW domestic wastewater, SW stream water, LFFW land-based fish farm wastewater