[lemma=drainage] [□] □
[lemma=drainage] [□=□] □
[lemma=drainage] [□ & □] □
The general assembly , however , may pass laws permitting the owners of lands to construct drains , ditches , and levees for agricultural , sanitary or mining purposes across the lands of others , and provide for the organization of drainage districts , vest the proper authorities with power to construct and maintain levees , drains and ditches and to keep in repair all drains , ditches , and levees heretofore constructed under the laws of the state , by special assessments upon the property benefited thereby . Activities of the Department and all other state , federal and local units of government such as drainage districts , school districts , park districts , forest preserve districts , must comply with this Part .