sentences:  The water supplied by the company was taken from the Lea, with waterworks on of land at Old Ford.The company also acquired existing waterworks at Shadwell (dating from 1660) Lea Bridge (pre 1767) and West Ham (1743).Although the legislation that established the London water companies intended that they would compete for customers, in 1815 the East London company drew up a legal agreement with the New River Company defining a boundary between their areas of supply.