[Report 1971] / Sanitary Committee [- Medical Officer of Health], Cornwall County Council.

  • Cornwall (England). County Council.
Date:
1971
Catalogue details

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: [Report 1971] / Sanitary Committee [- Medical Officer of Health], Cornwall County Council. Source: Wellcome Collection.

    70/96 (page 67)
    £ Council South Cornwall Water Board Truro Rural District - Comfort Road to Carclew Water main extension 14.1 17 Approved Truro Rural District - 8,063 Restronguet Reservoir to Restronguet Water main extension (Amended scheme) Approved Truro Rural District - Coombe to Roundwood, Kea Water main extension 1,149 Approved Kerrier Rural District - Water main extension, Treluswell to Lane End 4,634 Approved Total 21 schemes £547,476 FLUORIDATION The natural fluoride present in Cornish waters varies between 0.1 and 0.25 parts per million which is far short of the optimum level of 1.0 ppm recommended by medical and dental authorities. In November 1969 the County Council agreed that fluoride should be added to the drinking water in this County and invited the five Water Boards to treat the supplies in their respective areas. North and Mid Cornwall Water Board accepted this invitation and fluoridating equipment is at present being installed at their Restormel Intake Treatment Works on the River Fowey. It is anticipated that fluoridation of the water supplied from this source will commence during 1972 and that further schemes for treating the water in the remainder of the Board’s area should be completed by the end of 1973. The area of Cornwall that will be supplied with fluoridated water when the North and Mid Cornwall Water Board schemes are completed is sliown on the map on page 80. SEWERAGE AND SEWAGE TREATMENT At a time when considerable concern is being expressed both nationally and inter- nationally on pollution of coastal and inland waters by sewage and industrial waste it is fitting that reference should be made to the efforts of Cornish local authorities to protect the rivers and seas witliin and around the shores of this County from such pollution. In 1971 alone contracts for 32 schemes involving new sewage treatment works and costing in total some £5,000,000 were either