Neb. Rev. Stat. § 46-1125

The district shall deny, refuse renewal of, suspend, or revoke a permit applied for or issued pursuant to section 46-1117 on any of the following grounds: (1) Practice of fraud or deceit in obtaining a permit; or (2) Violation of any of the provisions of the Nebraska Chemigation Act or any standards or rules and regulations adopted and promulgated pursuant to such act.