St Day is a civil parish and village in Cornwall, England, United Kingdom. It is positioned between the village of Chacewater and the town of Redruth. The electoral ward St Day and Lanner had a population of 4,473 according to the 2011 census.

Chacewater is a village and civil parish in Cornwall, England, UK. It is situated approximately 3 miles (4.8 km) east of Redruth. The hamlets of Carnhot, Cox Hill, Creegbrawse, Hale Mills, Jolly's Bottom, Salem, Saveock, Scorrier, Todpool, Twelveheads and Wheal Busy are in the parish. The electoral ward is called Chacewater & Kenwyn. At the 2011 census a population of 3,870 was quoted.