Abandonment or abolishment of any drainage project and its works may not affect the obligation or validity of any assessments made against any of the lands involved or a lien for such assessments. Source: SL 1939, ch 290 , § 6; SDC Supp 1960, § 61.1052; SDCL, § 46-21-37; SL 1985, ch 362 , § 134.