Observations
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12 February 2026
Broadford Road Bridge by Paul Holmes-Higgin
Guildford flow 15.9m3/s E.coli = 2833.3
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28 January 2026
Broadford Road Bridge by Paul Holmes-Higgin
Guildford flow rate = 28.4m3/s R-Cards: 112, 93, 105
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21 January 2026
Broadford Road Bridge by Paul Holmes-Higgin
Guildford flow = 19.4m3/s 3 r-card readings were all different but averaged 130. The correct individual values will be added soon
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14 January 2026
Broadford Road Bridge by Paul Holmes-Higgin
Guildford flow = 18.6m3/s Ecoli r-cards #1 = 126 #2 = 104 #3 = 118 Average = 116 Ecoli = 11,600 !!
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7 January 2026
Broadford Road Bridge by Paul Holmes-Higgin
Guildford flow meter: 3.8m3/s eColi R-cards: #1 = 18 #2 = 16 #3 = 17 Average = 51/3 = 17 for 1mm (faint coloured spots are included in the count of colonies)
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2 January 2026
Broadford Road Bridge by Paul Holmes-Higgin
Guildford flow meter: 4.0m3/s eColi R-card: #1 = 14 #2 = 23 #3 = 16 Average = 53/3 = 17.667
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27 December 2025
Broadford Road Bridge by Paul Holmes-Higgin
Guildford flow 4.0 R-cards: (left in incubator for several hours extra by mistake) #1 = 23 #2 = 16 #3 = 20 Average = (59/3) = 19.667
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17 December 2025
Broadford Road Bridge by Paul Holmes-Higgin
Guildford flow meter: 4.0m3/s eCol R-cards: #1 = 16 #2 = 15 #3 = 17 Average = 48/3 =16 * 100
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12 December 2025
Broadford Road Bridge by Paul Holmes-Higgin
Guildford flow meter = 6.1m3/s eColi R-card #1 = 6 #2 = 11 #3 = 11 Result = (28/3)*100 = 933.3
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4 December 2025
Broadford Road Bridge by Paul Holmes-Higgin
Guildford flow meter: 8.1m2/s #1 = 33 #2 = 36 #3 = 45 Total = (113/3)*100 = 3766.7
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28 November 2025
Broadford Road Bridge by Paul Holmes-Higgin
Guildford town meter: 3.75 m3/s eColi R-cards: #1 = 14 #2 = 11 #3 = 16 Average = (41/3)*100 = 1366.7
