Office of The Johnson County Surveyor
Johnson County Surveyor's Office
Stormwater Management - The Surveyor's Office performs Hydraulic and Hydrologic engineering review (Water Quantity) and Water Quality review for all developments and site plans within the Regulated Watersheds of the county and any participating communities.
Supervise the construction, reconstruction, and maintenance of the regulated drains - Regulated or legal drains are open ditches, tiled drains, and urban drains that serve agricultural, residential, and commercial development under the jurisdiction of Johnson County. The County Surveyor oversees the maintenance of these drains by fixing broken tiles, removing obstructions, de-brushing and dredging open ditches, removing beaver dams, trash, etc. There are 400 miles of regulated drains in Johnson County. The reconstruction and construction of drains are reviewed and inspected by the County Surveyor. Maintenance assessments of the regulated drains are established by the Johnson County Drainage Board.
Section Corner Perpetuation - The County Surveyor must keep and maintain a corner record book showing original government section corners. The Surveyor must check, locate, establish, and reference at least 5% of all section corners shown in the Corner Record Book each year. Johnson County currently has 1,282 corners, and continues to recover additional corners every year.
County Drainage Board - The County Surveyor is an ex-officio and non-voting member of the County Drainage Board. In this capacity, the Surveyor is the technical authority on the construction, reconstruction, and maintenance of all regulated drains.
Serves on the Johnson County Plan Commission - The Surveyor is a voting member of the plan commission, and part of the Tech Committee to review drainage, plat compliance, and erosion control issues on residential subdivisions, commercial sites, etc.
Certification to Alcoholic Beverage Commission - The County Surveyor must certify the permit location, and it it is within an unincorporated area.
Private / Natural Drain - The County Surveyor, through Drainage Board, reviews complaints regarding obstructions within private and natural drains. When ordered by the Drainage Board, after a Public Hearing, the Surveyor oversees the removal of any obstruction to restore proper drainage.
Benchmarks - The County Surveyor's Office keeps a record of all benchmarks in the county with elevations and descriptions, including those that have been destroyed. New benchmarks are established during the construction and reconstruction of bridges and concrete culverts.
Legal Surveys - The County Surveyor's Office keeps a record of all Legal Surveys, filed as such.
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