[Report 1964] / Medical Officer of Health, Leicester Borough.
- Leicester (England). Borough Council.
- Date:
- 1964
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: [Report 1964] / Medical Officer of Health, Leicester Borough. Source: Wellcome Collection.
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![Number of Samples Examined Chemical Bacteriological Biological Raw Water Samples: Cropston Reservoir Feeder Streams .. 6 6 — Cropston Reservoir 93 22 29 Swithland Reservoir 25 20 23 Partially Treated Water Samples: Centralised Filtration Scheme i (C.F.S.) 178 60 — Final Water Samples: Derwent Supply 102 102 — Dove Supply 70 67 — C.F.S. Supply 107 125 —. Service Reservoirs .. 232 286 -- Consumers’ taps 52 52 — Totals 865 740 52 GRAND TOTAL of samples examined 1,657 TABLE II Bacteriological Quality of Routine Final Water Samples Source of Samples No. of Samples examined N umber of Sam] pies Free from coliform bacteria Containing 1-3 coliforms per 100 ml. Containing E. Coli type I Classi¬ fication Excellent Satisfactory Unsatisfactory Derwent Supply . . 101 101 Nil Nil Dove Supply 71 71 Nil Nil C.F.S. Supply 67 67 Nil Nil Service Reservoirs 274 270 2 2 Consumers’ taps . . 41 41 Nil Nil Totals 554 550 2 2 % of Total — 99.28 0.36 0.36](https://iiif.wellcomecollection.org/image/b29725495_0102.jp2/full/800%2C/0/default.jpg)