The bio-based coagulants for municipal water market is projected to grow from USD 285.5 million in 2026 to USD 727.2 million by 2036, at a CAGR of 9.8%. Bio-Polymer Coagulants (Chitosan, Starch, Guar) will dominate with a 38.0% market share, while drinking water treatment will lead the treatment application segment with a 42.0% share.