shock chlorination


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shock chlorination

A process used in drinking and recreational water to reduce bacteria and algae to acceptable—as determined by local standards—levels, by adding a large amount of bleach (sodium hypochlorite). The water should not be consumed or swum in until the sodium hypochlorite levels are 3 ppm or less.
References in periodicals archive ?
Their services include well clean outs, testing and pump replacement, shock chlorination, and abandonment.
The objective of the shock chlorination procedure was to kill bacteria existing in the well before installation of the sanitary well cap so as to test the effectiveness of the cap in preventing entry of bacteria into the well.
Efficacy of annual bacteria monitoring and shock chlorination in wells finished in a floodplain aquifer.