AWWA C653-20 Disinfection of Water Treatment Plants
SKU: 43653-2020
This standard describes chlorination materials, procedures, and requirements for disinfection of new treatment facilities and existing water treatment facilities temporarily taken out of service for cleaning, inspection, maintenance, painting, repair, or any other activity or event that might lead to contamination of water. Typically, this standard applies to treatment components, including filter basins, filter media, clear wells, pump suction wells, and associated piping and appurtenances located downstream from the filter influent, or from the first point of application of disinfectant in the treatment process, or all portions of a facility if no primary disinfection is provided.
Description
The purpose of this standard is to define the minimum requirements for the disinfection of water treatment plants, including facility preparation, application of chlorine to the interior surfaces of water treatment units, and sampling and testing for the presence of total coliform bacteria. This standard can be referenced in specifications for the disinfection of water treatment plants and can be used as a guide for facility preparation, application of chlorine, and sampling and testing for the presence of total coliform bacteria. The stipulations of this standard apply when this document has been referenced and then only to the disinfection of water treatment plants.