The entire length of the canal right of way in Connecticut (covering 25 segments and a total area of 247.6 acres) from Suffield to New Haven was listed on the National Register of Historic Places in 1985 under the name "Farmington Canal-New Haven and Northampton Canal".

[1] The 1984 NRHP nomination document provides a detailed history, and describes 45 separate bridges, aqueducts, weirs and other surviving features.

13 in Hamden, Connecticut were listed separately on the National Register of Historic Places (NRHP) in 1973 and 1982, respectively.

A two-mile section from the Main/Whiting Street intersection in Plainville to Townline Road sees limited use.

Edna Whiting built a general store, and had doors leading directly to the canal for drop offs.

Whiting's general store sold a variety of jelly, spices, grains, etc.