The SAMIBUL Water District (San Miguel Water District), a government-owned and controlled corporation established in September 12, 1980, which has directly derived its authority and existence from the Provincial Water Utilities Act of 1973, or otherwise known as Presidential Decree No. 198 through the issuance of Conditional Certificate of Conformance (CCC) No. 132 by the LWUA is mandated to do the following, to wit:

1. Acquire, install, improve, maintain and operate water supply systems for domestic, commercial and industrial uses for residents and people of the Municipality of San Miguel, Bulacan and within the legal jurisdiction of the Municipality;

2. Performs such other functions and operations incidental to water resource development, utilization and disposal within the Municipality and its environment as are necessary or incidental to said purpose.