[Report 1960] / Medical Officer of Health, Carlisle City.

  • Carlisle (England). City Council.
Date:
1960
Catalogue details

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: [Report 1960] / Medical Officer of Health, Carlisle City. Source: Wellcome Collection.

    20/100 (page 18)
    SWIMMING BATHS The Carlisle Swimming Baths were built in 1884 and the accommodation for swimming is substantially as it was when the premises were built. Tlie accommodation consists of two pools, one pool 75 long and 30 wide and the other 60’ x 30’. The pools contain 110,000 gallons of water, 5’6” being the maximum depth in both pools. Filtration of the pools water is carried out by four 8 diameter vertical type filters having a maximum filtering capacity of 33,668 gallons per hour, which allows the contents of the pools to be filtered every 3^ hours. Alumina Sulphate and Sodium Carbonate is used for this purpose. Sterilisation is by the Marginal system of chlorination, with Chlorine as the agent, using a chlorinator of ^ lb. capacity per hour. The water content of the pools is changed once each year, when fresh water from the Carlisle Corporation Water Undertaking is used to fill. The filters are backwashed once each week using water from the pools, fresh water is taken from the mains to make up this deficiency. The samples of water taken for bacteriological examination have proved satisfactory. WATER SUPPLY I am obliged to the Water Engineer and Manager for his report on the City’s water supply. The rainfall recorded in Geltsdale for the year ending 31st March, 1961, was 39.13 inches as against 39.85 inches in the previous year. Apart from one dry period in the early summer the rainfall was consistent though not heavy throughout the year. There was no period of absolute drought during the year. The heaviest daily rainfall was 1.40 inches on the 6th July, 1960. The level of Castle Carrock Reservoir did not fall below the 128 million gallons mark which had been reached by the 5th July, 1960. The continuous wet period throughout the rest of the year meant that the gathering grounds remained saturated maintaining a steady run-off to the river intakes. During the year the Sewage Works Manager and Chemist had a total of 210 samples, 187 of which were for bacteriological examination. The samples were taken from the raw water at source, the final treated water from the Castle Carrock Works and Cumwhinton Reservoir and also from the distribution system. The raw water samples showed varying amounts of natural pollution but were of very satisfactory chemical quality. All the samples of final treated water were of consistently good quality by both bacteriological and chemical standards. The samples from the distribution system were also of a very satisfactory standard. Considerable progress was made during 1960 on the River Eden Scheme. Stage 1 of the scheme was completed during 1960 and the Treat- ment Works at Cumwhinton was brought into operation on the 29th of January, 1961. The High Brownelson Service Reservoir and the ring main round the South and West of the City which formed the major part of Stage II of the River Eden Scheme were commenced during 1960 and con- siderable progress was made on both these contracts. Whereas in 1959 the variation in the water consumption due to the was considerable the Summer of 1960 did not bring with it any dimculties. There was throughout 1960 a recovery in the consumption toiiowmg the strict economies during the 1959 drought. The maximum daily consumption recorded was 4.05 million gallons on 20th June, 1960, on A ^ consumption recorded was 2.83 million gallons uii iotn April, 1960.