 This water gate was built by King Chulalongkorn (Rama V) in the year 1905 to drain water from the Khlong Saen Saep (Saen Saep canal) to distribute to the people, both for agriculture, and water levelling
for boating and rafting.There are two other water gates in Chachoengsao province which were built in the same period.Currently, Pratunam is widely known as a prominent shopping district.