Greater New Haven Water Pollution Control Authority
GNWPCA - Regional Sewer Authority
GNHWPCA - Regional Sewer Authority
Serving the Connecticut communities of New Haven, Hamden, East Haven and Woodbridge
Customers

GNHWPCA currently manages approximately 47,400 accounts serving the following communities:

·         New Haven – 22,500 accounts
·         Hamden – 14,400 accounts
·         Woodbridge – 400 accounts
·         East Haven – 10,100 accounts