Mattatuck Astronomical Society: Membership organization provides meeting schedule, observation schedule, items for sale, officers, photos and membership information.
Mattatuck Astronomical Society Observatory: Houses a C-14, C-8 and 5" Meade Refractor used to educate the public, for the school's astronomy program and for free public observation evenings. Located at Naugatuck Valley Community College.
Waterbury River Index Station: Real time graphs and data for river index station located on the Naugatuck River. From the US Army Corps of Engineers.