Where Does Your Drinking Water Come From?
Our water comes from three main sources: surface water, ground water and purchased water. Many years of a growing population, and increased pollution, create special challenges for maintaining high quality water sources. This is why protecting our watersheds is so important.
What is a watershed?
Our largest watershed covers 27.5 square miles. All the rain that falls in this area ultimately drains into our pond system, which provides 75% of water supply for our customers in the Greater Nashua area. Additionally, the Pittsfield watershed drains into Berry Pond and provides water to the residents of Pittsfield.
Surface Water: As the term implies, surface water comes from rivers, lakes and reservoirs. Pennichuck manages two surface systems, including: a series of five ponds on the Pennichuck Brook which provide most of the water for the system serving our customers in Greater Nashua; and a separate watershed in Pittsfield.
Ground Water: Ground water is the source for many other communities. This water comes from large underground pools and rivers, which are tapped into through deep wells. And the water is pumped up to the surface. Pennichuck serves over 35 well systems throughout New Hampshire.
Purchased Water: In some cases, it is necessary for Pennichuck to buy water from other water utilities. Usually this entails building an interconnection between the two water systems.