District
The District has 12 member municipalities that include:
- The City of Utica
- The Village of New York Mills
- The Village of Yorkville
- The Village of Whitesboro
- The Village of Oriskany
- The Village of New Hartford
- The Village of Clayville
- The Town of Whitestown
- The Town of New Hartford
- The Town of Paris
- The Town of Marcy
- The Town of Deerfield
The Village of Holland Patent and portions of the Towns of Frankfort and Schuyler in Herkimer County are also serviced by the District via intermunicipal agreements.