Complex sentence: Following the passage of the Metropolis Water Act of 1852 a larger reservoir was constructed by the New River Company in 1855 but houses were later built around the square and the reservoir has since been drained and turfed over.
Split into simpler sentences: Following the passage of the Metropolis Water Act of 1852 a larger reservoir was constructed by the New River Company in 1855. Houses were later built around the square and the reservoir has since been drained and turfed over.