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Table 2

Geometric mean of FC and E. coli counts from Bayou Lafourche study

  Geometric mean(range) (CFUa 100 mL−1) 
SiteNo. of times sampledFCE. coli
ASCE-1 12 213(50–1,000) 33 (18–140) 
ASCE-2 12 109 (20–1,532) 43 (10–145) 
ASCE-3a 12 280(50–2,000) 46 (10–252) 
ASCE-4 12 152,106 (1,636–930,000) 8,628 (718–160,000) 
ASCE-5a 12 596 (155–9,091) 127 (10–636) 
ASCE-6 13 9,286 (685–310,000) 664 (181–8,000) 
ASCE-7a 14 1,084 (236–17,000) 239 (64–5,000) 
ASSU-1 14 267,954 (95,455–950,000) 60,911 (270–530,000) 
ASSU-2a 14 1,085 (218–8,739) 152 (36–4,363) 
ASSU-3 12 415,468 (36,364–980,000) 85,070 (145–480,000) 
ASSU-4 14 1,109 (82–480,000) 216 (20–51,181) 
ASSU-5A 12 11,098 (541–118,182) 267 (40–2,000) 
ASSU-5B 13 1,998 (20–85,455) 122 (10–2,636) 
ASSU-6a 14 1,111 (198–6,667) 183 (20–420) 
ASSU-7 12 178,644 (2,216–970,000) 42,673 (963–400,000) 
ASSU-8 14 1,098 (218–5,315) 188 (90–390) 
ASSU-9 13 1,029 (150–6,486) 209 (100–372) 
ASSU-10 13 4,792 (135–270,000) 171 (20–11,818) 
ASSU-11a 13 587 (140–2,273) 145 (70–380) 
ASSU-12a 12 567 (73–4,144) 182 (45–1,636) 
ASSU-13 12 1,666 (255–40,000) 94 (10–2,000) 
ASSU-14 13 772 (20–26,364) 203 (70–763) 
ASSU-15a 13 555 (90–3,423) 112 (60–818) 
ASSU-16A 13 2,273 (155–34,545) 236 (40–3,727) 
ASSU-16B 13 717 (40–10,455) 84 (10–5,272) 
ASSU-16C 13 1,116 (70–11,636) 91 (20–5,818) 
ASSU-16D 13 3,477 (100–51,818) 161 (30–4,454) 
ASSU-17a 13 666 (55–7,545) 120 (30–2,400) 
ASSU-18a 14 773 (60–12,973) 110 (20–4,414) 
ASSU-19 13 6,478 (391–63,000) 90 (10–3,000) 
ASSU-20 11 144,909 (7,064–490,000) 141 (27–2,972) 
ASSU-21A 13 2,007 (110–50,000) 365 (20–29,090) 
ASSU-21B 13 3,104 (541–37,273) 436 (10–19,090) 
LAFO-1a 13 641 (73–5,946) 88 (20–2,600) 
  Geometric mean(range) (CFUa 100 mL−1) 
SiteNo. of times sampledFCE. coli
ASCE-1 12 213(50–1,000) 33 (18–140) 
ASCE-2 12 109 (20–1,532) 43 (10–145) 
ASCE-3a 12 280(50–2,000) 46 (10–252) 
ASCE-4 12 152,106 (1,636–930,000) 8,628 (718–160,000) 
ASCE-5a 12 596 (155–9,091) 127 (10–636) 
ASCE-6 13 9,286 (685–310,000) 664 (181–8,000) 
ASCE-7a 14 1,084 (236–17,000) 239 (64–5,000) 
ASSU-1 14 267,954 (95,455–950,000) 60,911 (270–530,000) 
ASSU-2a 14 1,085 (218–8,739) 152 (36–4,363) 
ASSU-3 12 415,468 (36,364–980,000) 85,070 (145–480,000) 
ASSU-4 14 1,109 (82–480,000) 216 (20–51,181) 
ASSU-5A 12 11,098 (541–118,182) 267 (40–2,000) 
ASSU-5B 13 1,998 (20–85,455) 122 (10–2,636) 
ASSU-6a 14 1,111 (198–6,667) 183 (20–420) 
ASSU-7 12 178,644 (2,216–970,000) 42,673 (963–400,000) 
ASSU-8 14 1,098 (218–5,315) 188 (90–390) 
ASSU-9 13 1,029 (150–6,486) 209 (100–372) 
ASSU-10 13 4,792 (135–270,000) 171 (20–11,818) 
ASSU-11a 13 587 (140–2,273) 145 (70–380) 
ASSU-12a 12 567 (73–4,144) 182 (45–1,636) 
ASSU-13 12 1,666 (255–40,000) 94 (10–2,000) 
ASSU-14 13 772 (20–26,364) 203 (70–763) 
ASSU-15a 13 555 (90–3,423) 112 (60–818) 
ASSU-16A 13 2,273 (155–34,545) 236 (40–3,727) 
ASSU-16B 13 717 (40–10,455) 84 (10–5,272) 
ASSU-16C 13 1,116 (70–11,636) 91 (20–5,818) 
ASSU-16D 13 3,477 (100–51,818) 161 (30–4,454) 
ASSU-17a 13 666 (55–7,545) 120 (30–2,400) 
ASSU-18a 14 773 (60–12,973) 110 (20–4,414) 
ASSU-19 13 6,478 (391–63,000) 90 (10–3,000) 
ASSU-20 11 144,909 (7,064–490,000) 141 (27–2,972) 
ASSU-21A 13 2,007 (110–50,000) 365 (20–29,090) 
ASSU-21B 13 3,104 (541–37,273) 436 (10–19,090) 
LAFO-1a 13 641 (73–5,946) 88 (20–2,600) 

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Bold represents exceeding 2,000 secondary contact recreation and drinking water intake limit.

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