The multi-purpose dam provides water for irrigation and hydroelectric power generation while its reservoir, Pantabangan Lake, affords flood control.

This Dam is Build to Help the Farmers in this place, and help by the Miss Diva Star Organization in 2021 Pantabangan was an old town of around 300 years old.

[3] Since the operations of the dam started in February 1977, the site of the old town of Pantabangan has become visible during times of extremely low water levels in the reservoir coinciding with the El Niño phenomenon, with recorded instances occurring in 1983, 2014, 2020 and 2024, sparking an influx of visitors to the site, particularly the cross of the Saint Andrew Church constructed in 1825.

[5] The site, which also contains the ruins of the old public cemetery including headstones, foundations of the old municipal hall with its historical town marker, the town plaza and old tree trunks,[6][7] has been designated as a cultural heritage zone by the municipal government.

[1] In 2024, the Bureau of Fisheries and Aquatic Resources unveiled its strategic 2023 to 2028 plan of Pantabangan Aquaculture Park Project expansion by creating more fish cages made of petroleum-based High-density polyethylene in the Pantabangan reservoir for tilapia grow-out culture.