The Three Acre Rule
The Vermont Clean Water Act defines a “three-acre site” has a parcel with an impervious surface of three or more acres that has never had an operational stormwater permit, or was permitted to standards in place prior to the 2002 Stormwater Management Manual.
The defines these sites as follows:
•Impervious surface of three or more acres means a single tract of land with three or more acres of impervious surface;
•a project on a tract or tracts of land that was previously authorized under a stormwater permit that authorized the discharge of stormwater from three or more acres of impervious surface; and
•impervious surface adjacent to or adjoining the foregoing types of impervious surfaces where the surface in question are part of a related operation, such as a hospital, resort, or campus.
The list of three acre sites include properties in Lake Champlain, Lake Memphremagog, and stormwater-impaired watersheds only.
to find out what properties are on the list.