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New filtration system will keep water coming from Seneca Lake safe for Seneca County

  • / Updated:
  • Staff Report 

A new filtration system, akin to a “giant Brita filter,” is being installed at the Seneca Lake water treatment plant to address the issue of harmful algal blooms and per- and polyfluoroalkyl substances (PFAS) in the drinking water for over 15,000 individuals.


The director of the long-established facility, Jim Bromka, told the Finger Lakes Times that the system uses horizontal pressure filters to secure whole algal cells from HABs, preventing them from releasing potential toxins into the water.

The new treatment also incorporates granular activated carbon to absorb PFAS and fluids from HABs, with the added option of introducing chlorine to neutralize microcystins.

Expected to be operational by the end of August, the $3 million system upgrade aims to ensure exceptionally clean and safe water. Much of the project’s cost has been covered by grants, and the upgrade aligns with Bromka’s objective of staying ahead of potential future contaminants.