Observations
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12 November 2025
Broadford Road Bridge by Paul Holmes-Higgin
River level was lower than usual, but new lock gates being fitted upstream. Guildford flow meter: 5.0m3/s eColi cards: #1 = 19 #2 = 18 #3 = 23 Total = (60/3)*100 = 2000
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5 November 2025
Broadford Road Bridge by Paul Holmes-Higgin
Guildford town flow meter = 3.9m3/s eColi cards results: #1 = 4 #2 = 6 #3 = 9 Result = (19/3)*100 = 633.3
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29 October 2025
Broadford Road Bridge by Paul Holmes-Higgin
Guildford station water flow: 2.76 m3/s Water seemed a little clearer than usual. eColi cards colonies: #1 = 7 #2 = 7 #3 = 6 Result = (20 / 3)*100 = 666.7
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22 October 2025
Broadford Road Bridge by Paul Holmes-Higgin
eColi cards: #1 = 14 #2 = 20 #3 = 19 Result = ((14+20+19)/3)*100 = 1766.7
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15 October 2025
Broadford Road Bridge by Paul Holmes-Higgin
eColi results: #1 = 6 #2 = 12 #3 = 9 Result = ((6+12+9)/3)*100 = 900.0
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8 October 2025
Broadford Road Bridge by Paul Holmes-Higgin
eColi: #1 = 8 #2 = 11 #3 = 7 Result = 100 * 26/3 = 866.9
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1 October 2025
Broadford Road Bridge by Paul Holmes-Higgin
eColi: #1 = 10 #2 = 13 #3 = 6 Result: (29/3)*100 = 966.7
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26 September 2025
Broadford Road Bridge by Paul Holmes-Higgin
#1 = 21 #2 = 23 #3 = 23 eColi = (67/3) * 100 = 2233.3
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11 September 2025
Broadford Road Bridge by Paul Holmes-Higgin
eColi #1 = 7 #2 = 18 #3 = 9 Total = 100*(7+18+9)/3
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2 September 2025
Broadford Road Bridge by Paul Holmes-Higgin
eColi tests: #1 14 #2 22 #3 25 61/3 * 100 = 2033.3
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27 August 2025
Broadford Road Bridge by Paul Holmes-Higgin
eColi cards 1 = 3 2 = 8 3 = 10 Sampled 15-20cm below surface
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22 August 2025
Broadford Road Bridge by Esther Hill
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6 August 2025
Broadford Road Bridge by Paul Holmes-Higgin
A few hours before sampling, a flock of geese and cows were seen in the river upstream just before the backwater above Unstead Lock. eColi counts/1ml 21, 34, 28
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7 July 2025
Broadford Road Bridge by Alistair Young
