§ Mr. Michael Morris
asked the Secretary of State for the Environment what is the average annual cost of septic tank emptying in each water authority region in England and Wales.
§ Mr. Denis Howell
No information is available on charges levied by local authorities or private contractors for emptying septic tanks or cesspools. Treatment charges which will be levied by water authorities in 1979–80 are as follows—charge per 1,000 gallons:
North-West No charge Northumbrian £5.00 Yorkshire £4.40 for full treatment £3.00 for partial treatment £1.10 for coastal treatment or alternatively at discretion of the authority: Septic tank effluent: £6.60 for full treatment £4.50 for partial treatment £1.50 for coastal treatment Cesspool effluent: £4.40 for full treatment £3.00 for partial treatment £1.00 for coastal treatment Cesspool charges are subject to the following maxima per household per annum: full treatment £22, partial treatment £15 and coastal treatment £5.50 Severn-Trent £3.45 Anglian £4.31 Thames £2.00 Southern £2.90 Wessex £4.00 at the coast £5.00 at inland works South-West £4.30 Welsh £3.00
1974–75 1975–76 1976–77 1977–78 Total expenditure … … £4.9 million £7.2 million £1.6 million £1.8 million Percentage met from revenue expenditure … … 94 93 78 83
for the years 1974–75 to 1977–78, the expected total revenue income for the years 1978–79 and 1979–80, and the proportion of that income received from unmeasured and measured supplies are as follows: