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  • Location: San Bruno, CA
  • Disinfectant: Chloramine
  • Problem: Low residual, nitrification

Utility Improves Residual Levels, Lowers Nitrite and Keeps Tanks Full

San Bruno, CA

In 2010, San Bruno and the other 26 agencies receiving SFPUC water
started experiencing issues with nitrification. To combat the issue, San Bruno drained their tanks in the excess of 60,000 gallons every two weeks and sent out a crew of 4-5 to flush water in this entire pressure zone. Seeking a way to reduce the cost and manpower associated with nitrification, San Bruno worked with PAX Water Technologies to trial the newly developed Residual Control System (RCS).

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