Run AWWA C651 Water Main Disinfection and Bacteriological Clearance Inspection — Free

Inspection Details

Project or work order identifier recorded critical (required)

Main segment location and limits documented critical (required)

Inspection date and time recorded critical (required)

Inspector name and organization recorded critical (required)

Applicable disinfection method identified critical (required)

Note (optional)

Pre-Disinfection Preparation

Main interior cleaned and debris removed before disinfection critical (required)

Yes No N/A

Pipe ends, fittings, and appurtenances protected from contamination critical (required)

Yes No N/A

Backflow prevention and isolation controls in place critical (required)

Yes No N/A

Flushing completed prior to chlorination critical (required)

Yes No N/A

Pre-disinfection water quality conditions recorded

Record turbidity, visible sediment, odor, or other relevant field conditions.

Chlorination and Contact Time

Initial chlorine concentration at point of application critical (required)

Note (optional)

Chlorine residual at end of contact period critical (required)

Note (optional)

Required chlorine contact time achieved critical (required)

Note (optional)

Chlorine application method verified critical (required)

Note (optional)

Residual and contact time meet project specification and AWWA C651 requirement critical (required)

Yes No N/A

Flushing and Sampling

Post-disinfection flushing completed to remove chlorinated water critical (required)

Yes No N/A

Sampling points are representative of the main segment critical (required)

Yes No N/A

First bacteriological sample collected and documented critical (required)

Yes No N/A

Second consecutive bacteriological sample collected after acceptable interval critical (required)

Yes No N/A

Sample chain-of-custody and laboratory submission documented critical (required)

Yes No N/A

Bacteriological Results and Clearance

First sample result is coliform absent critical (required)

Yes No N/A

Second sample result is coliform absent critical (required)

Yes No N/A

Any repeat sampling or retest required critical (required)

Yes No N/A

Note (optional)

Clearance approved for service connection or return to service critical (required)

Yes No N/A

Authority Having Jurisdiction or project representative notified

Yes No N/A

Note (optional)

Corrective Actions and Sign-Off

Deficiencies or non-conformances documented

Corrective actions assigned and completed critical (required)

Inspector signature captured critical (required)

Owner, contractor, or utility representative signature captured critical (required)

Final approval status recorded critical (required)

Note (optional)

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Run: AWWA C651 Water Main Disinfection and Bacteriological Clearance Inspection

Inspection Details

Pre-Disinfection Preparation

Chlorination and Contact Time

Flushing and Sampling

Bacteriological Results and Clearance

Corrective Actions and Sign-Off

Get your results