North Haven, Conn.

North Haven

Town reaps benefits from ongoing partnership with Veolia North America for O&M of municipal wastewater treatment facilities.


A 1991 operate/maintain/manage (O&M) contract gave Veolia responsibility for the operation of the town's 4.5-MGD advanced secondary activated sludge wastewater treatment plant, nine pump stations, 110-mile collection system, sludge disposal, swimming pool/emergency generator maintenance, call before you dig" program administration and North Branford's 36-mile collection system.


  • Guarantee a site-specific preventive maintenance program to protect the town's capital investment.
  • ​Outstanding first-year treatment performance during construction and startup of $18 million upgrade to treatment facility.


  • Operated facility at a $100,000 annual cost savings.
  • Achieved $1 million in 10-year accumulative savings.
  • Kept all major pieces of equipment involved in the upgrade working.
  • Stabilized sewer rates for the first 10 years of the contract; in 2002 rates were raised a mere $10 per year.
  • Operated the facility since the fall of 1993 without a lost-time accident.
  • ​Partnership renewed twice.