North Haven, Connecticut

The challenge

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

The project challenges are:

  • 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.

The solution

Innovative solutions:

  • 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

Benefits for our clients


  • 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