COLDWATER, a city, the capital of Branch co., Michigan, on the Cold water river and the Michigan Southern railroad, 103 m. W. S. W. of Detroit; pop. in 1870, 4,381. It is the commercial centre of a fertile country. The river affords good water power, which has been improved. There are six or eight churches, two banks, two weekly newspapers, and a monthly periodical. In 1871 there were 18 schools, of which one was a high school, with 20 teachers and 1,128 pupils.