1.1 Scope. This document establishes the minimum requirements for the periodic inspection, testing, and maintenance of water-based fire protection systems and the actions to undertake when changes in occupancy, use, process, materials, hazard, or water supply that potentially impact the performance of the water-based system are planned or identified.<br />1.1.1 Coordination with NFPA 72 ... The annual fire pump flow test can identify deterioration of the fire pump or impairments to the water supply. HOW OFTEN DO I TEST A FIRE PUMP? According to NFPA, fire pumps are flow tested after initial installation according to the field acceptance test procedure (NFPA 20). Thereafter, the annual fire pump test is performed (NFPA 25).