Map Ta Phut area was declared a pollution control area by the National Environment Board on
30th April 2009, covering Rayong administrative areas which were Map Ta Phut Subdistrict, Huay Pong
Subdistrict, Noen Phra Subdistrict and Thab Ma Subdistrict of Rayong’s Muang District, Mab Kha Subdistrict,
Nikhom Phattana District and Ban Chang Subdistrict of Ban Chang District, Rayong Province as well as
the sea area within the boundary line.