PORTSMOUTH – City officials have announced plans to bring the Haven well back online this week, seven years after it was shut down because of the presence of toxic PFAS chemicals in the water.

The city received permission from the N.H. Department of Environmental Services “for the reactivation of the Haven well,” after the upgraded Pease Water Treatment Facility – which was designed to remove PFAS from city water sources – became fully operational earlier this year.

DES said “laboratory results provided as part of the request (to bring the Haven well online) demonstrates the finished water quality while treating the Haven well is in compliance with current standards, including non-detect levels of PFAS.”

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