As manded by P.D. 198, otherwise known as the Local Water Utilities Act, all water districts has the following purposes:
1. To acquire, install, improve, maintain and operate water supply and distribution system for domestic use;
2. To provide, maintain and operate waste water collection treatment and disposal facilities, and
3. To conduct such other functions and operations incidental to water resource development, utilization and disposal within the district, as necessary or incidental to said program.