Drainage & Ditches

Department Overview


The County Auditor / Treasurer administers the county drainage system, as well as files special assessments against benefited landowners for the purpose of funding repairs and maintenance costs.

Drainage System Repair Process


View the process for Drainage System Repair (PDF).

Re-determination of Benefits Process


View the Re-determination of Benefits Process (PDF).

Inspector's Reports


Visit the Archive Center to see previous years' Drainage Ditch Inspector's Reports.

Maps & Reports

County Drainage System 4

  1. County Drainage System 4 Engineers Advisory Report (PDF)
  2. County Drainage System 4 Property Owners Report (PDF)
  3. County Drainage System 4 Redetermination of Benefits Listing (PDF)
  4. County Drainage System 4 Watershed Map (PDF)

County Drainage System 7

  1. County Drainage System 7 Engineers Advisory Report (PDF)
  2. County Drainage System 7 Property Owners Report (PDF)
  3. County Drainage System 7 Redetermination of Benefits Listing (PDF)
  4. County Drainage System 7 Watershed Map (PDF)

County Drainage System 9

  1. County Drainage System 9 Engineers Advisory Report (PDF)
  2. County Drainage System 9 Property Owners Report (PDF)
  3. County Drainage System 9 Redetermination of Benefits Listing (PDF)
  4. County Drainage System 9 Watershed Map (PDF)

County Drainage System 17

  1. County Drainage System 17 Engineers Advisory Report (PDF)
  2. County Drainage System 17 Property Owners Report (PDF)
  3. County Drainage System 17 Redetermination of Benefits Listing (PDF)
  4. County Drainage System 17 Watershed Map (PDF)

County Drainage System 20

  1. County Drainage System 20 Engineers Advisory Report (PDF)
  2. County Drainage System 20 Property Owners Report (PDF)
  3. County Drainage System 20 Redetermination of Benefits Listing (PDF)
  4. County Drainage System 20 Watershed Map (PDF)

County Drainage System 23

  1. County Drainage System 23 Engineers Advisory Report (PDF)
  2. County Drainage System 23 Property Owners Report (PDF)
  3. County Drainage System 23 Redetermination of Benefits Listing (PDF)
  4. County Drainage System 23 Watershed Map (PDF)

County Drainage System 30

  1. County Drainage System 30 Engineers Advisory Report (PDF)
  2. County Drainage System 30 Property Owners Report (PDF)
  3. County Drainage System 30 Redetermination of Benefits Listing (PDF)
  4. County Drainage System 30 Watershed Map (PDF)

County Drainage System 31

  1. County Drainage System 31 Engineers Advisory Report (PDF)
  2. County Drainage System 31 Property Owners Report (PDF)
  3. County Drainage System 31 Redetermination of Benefits Listing (PDF)
  4. County Drainage System 31 Watershed Map (PDF)

County Drainage System 32A

  1. County Drainage System 32A Engineers Advisory Report (PDF)
  2. County Drainage System 32A Property Owners Report (PDF)
  3. County Drainage System 32A Redetermination of Benefits Listing (PDF)
  4. County Drainage System 32A Watershed Map (PDF)

County Drainage System 33

  1. County Drainage System 33 Engineers Advisory Report (PDF)
  2. County Drainage System 33 Property Owners Report (PDF)
  3. County Drainage System 33 Redetermination of Benefits Listing (PDF)
  4. County Drainage System 33 Watershed Map (PDF)

Judicial Ditch 6

  1. Judicial Ditch 6 Engineers Advisory Report (PDF)
  2. Judicial Ditch 6 Property Owners Report (PDF)
  3. Judicial Ditch 6 Redetermination of Benefits Listing (PDF)
  4. Judicial Ditch 6 Watershed Map (PDF)