Among the 2.5-meter high, six-span dam's main features are easily deflatable and inflatable rubber body, resistance to sedimentation, economical and having auto-deflation system.

With its construction, the Bustos Dam's height was increased by 2.5 meters and later renamed Angat Afterbay Regulator Dam, increasing the service area of the Angat-Maasim Rivers Irrigation System (AMRIS), which operates the AARD from 25,000 hectares in 1927 to 31,485 hectares in 20 towns in Bulacan and Pampanga benefitting 20,562 farmers.

The agency has undertaken temporary rehab works in the dam using their own budget and through funding assistance from the World Bank.

In 2001, The Japan International Cooperation Agency (JICA) has approved a P500-million grant-in aid to the government for the repair and improvement of the Angat Afterbay Regulatory Dam (AARD) in Bustos, Bulacan, the National Irrigation Administration (NIA) said here over the weekend.

[4] By the 3rd Quarter of 2014, The National Irrigation Administration (NIA) is bidding out the P1-billion contract for the rehabilitation of the Bustos rubber dam in Bulacan.