Tri-Municipal Sewer Com'n, 160 A.D.2d 677, 679, 553 N.Y.S.2d 455 (2d Dep't 1990) (municipal immunity for an exercise of policy or operational judgment is ordinarily qualified immunity).If the municipality learns of an inadequacy in its storm water drainage system, it may be legally-bound to exercise reasonable care timely to address the inadequacy, however. [read post]