Important events surrounding the history of the Nashua River in Massachusetts.
Wave of immigrants come from Europe, many work in factories.
Paper manufacture, textiles, and shoe products become the prevalent industries on the river.
Largest dam on the Nashua River - the Wachusett Dam in Clinton - was built to provide Boston with water.
Marion Stoddart organizes the Nashua River Cleanup Committee, and the city of Leominster gets permission from the Massachusetts Department of Public Health to dump 150 million gallons of raw sewage per day into the Nashua River.
U.S. Congress passes Clean Water Act, paper companies along the Nashua River join together to build a treatment plant, and 400-500 youths work for five months to clear trash from Nashua's riverbed and banks.
U.S. Environmental Protections Agency (EPA) is formed, and Federal Clean Water Act states that all U.S. waters be fishable and swimmable by 1983.