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Manhattan water

Larry_52
Larry_52 Member Posts: 181
Just a heads up if anyone did not see it yet. The Croton reservoir filtration plant has started mixing the beginning of this May. Manhattan water has changed hardness up X4 and conductivity went from 80uS to about 200 to 250uS. Any one with larger steam or hot water systems will see the change. How the DEP uses the new plant long term is still to be determined.

Comments

  • kcopp
    kcopp Member Posts: 3,830
    Why?
  • Larry_52
    Larry_52 Member Posts: 181
    edited May 2015
    Why what? maybe a better explanation?

    The DEP just cut in the Croton water supply to the NYC water system and this time it's here to stay. Has not been in use for quite sometime and when it was it was only temporary. Now with their billion dollar filtration system in play they intend to supplement the water supply as needed. The Croton resevoir water supply in dissolved solids comparison to the usual Deleware and Catskill supply is substantially more.

    The system design currently can and will affect all of Manhattan water and some areas of Queens/Brooklyn depending where and how they mix it. It used to only serve only one supply tunnel and customers were segregated from reservoirs. Now with new water tunnel piping and this plant they will mix and affect most areas.

    Steam boilers with high makeup will scale and produce much more carbonic acid in the condensate.
  • kcopp
    kcopp Member Posts: 3,830
    That makes more sense.... when you said "mix" I understood it as they were adding the CaCO to the water supply, in a treatment plant.