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Disinfection of Facilities
AWWA disinfection standards cover the B300 series, which govern the processes and methodologies used to sanitize water and water storage facilities. These standards cover chemicals such as chlorine and techniques used to sterilize a variety of different apparatuses like wells, turbidimeters, and plants for the safe storage and transport of potable water and wastewater.
AWWA C651-2023
AWWA C651-23 Disinfecting Water Mains
The purpose of this standard is to define the minimum disinfection, sampling, and handling requirements when installing new mains or repairing a main break. These requirements identify when disinfection is required based on the level of public health risk. Included in this standard are requirements for disinfection of water mains, preparation and sanitary handling of water mains, application of chlorine, and sampling and testing for free chlorine residuals and the presence of coliform bacteria.
AWWA C652-2019
Disinfection of Water Storage Facilities
This standard for disinfection of water-storage facilities describes materials, facility preparation, application of disinfectant to interior surfaces of facilities, and sampling and testing for the presence of coliform bacteria, chlorine residual, and acceptable aesthetic water quality. The standard also includes disinfection procedures for underwater inspection and/or cleaning of potable-water-storage facilities but does not describe the technical aspects of underwater inspection and/ or cleaning.
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AWWA C653-2020
Disinfection of Water Treatment Plant
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, clearwells, 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.
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AWWA C654-2021
Disinfection of Wells
This standard describes the procedures for disinfection and bacteriological testing of wells for potable water service following construction, servicing, maintenance, or any other activity or event that might lead to contamination of the water.
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AWWA C655-18
Field Dechlorination
The purpose of this standard is to define the minimum procedures for the dechlorination of chlorinated or chloraminated water being discharged, including regulations, discharge site preparation, sampling and testing of discharge water, various methods of dechlorination, and dechlorination chemicals. This standard can be referenced in specifications for the dechlorination of low-chlorinated or highly chlorinated water discharges into the environment. The stipulations of this standard apply when this document has been referenced, and then only to dechlorination.
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AWWA C670-2020
Online Chlorine Analyzer Operation and Maintenance
This standard describes the operation and maintenance of online chlorine analyzers used in the treatment and monitoring of potable water, reclaimed water, or wastewater. The standard provides minimum requirements for analyzer operation, maintenance, sampling, accuracy and precision testing, range, calibration, and troubleshooting.
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AWWA C671-2021
Online Turbidimeter Operation and Maintenance
This standard describes online turbidimeter operation and maintenance (O&M) for online turbidimeters used in the treatment and monitoring of potable water, reclaimed water, or wastewater effluent.
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