The Wallingford Procedure (1976)

The Wallingford Procedure: Design and Analysis of Urban Storm Drainage. Department of Environment. National Water Council. Standing Technical Committee Reports No 28. 1983.

Vol 1: Principles, Methods and Practice. The background to the procedure

Vol 3: Maps. A folder containing maps giving meteorological and soil data for the UK

Vol 4: Modified Rational Method. Hand calculation methods for small systems