[HAMDEN - Stamford-based Splash Car Wash opened its newest store on August 20, at Dixwell Avenue and Connolly Parkway in Hamden. Company officials say theirs is the fastest-growing car-wash operation in the state and the 11th largest in the U.S. It has expanded from a single location in Greenwich to 19 outlets in Connecticut and New York.] Hamden is a great community, ... We look forward to a long relationship with the city.