Environmental Rules in Ankeny, IA (2026)
4 verified environmental rules for Ankeny, Iowa, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
The City of Ankeny bills every property inside the corporate limits a monthly stormwater management fee under City Code Chapter 107, calculated in equivalent residential units (ERUs). Single- and two-family homes pay $8.50 per ERU up to four ERUs, while commercial, industrial and multi-family parcels pay the same rate up to 110 ERUs, funding the City's stormwater system.
Ankeny Stormwater Management Fees and Appeals
Some RestrictionsAnkeny Code of Ordinances § 107.02
107.02 STORMWATER MANAGEMENT FEES. ... Except as hereinafter noted, each customer whose property lies within the corporate limits of the City of Ankeny shall pay to the City of Ankeny, through its utility billing system, the following stormwater management fees based on equivalent residential unit (ERU) associated with the customer's property: 1. Undeveloped: A flat fee at the rate of $0.00 per...
Erosion Control
Anyone who needs a City of Ankeny building permit for new construction or a commercial or industrial addition must also get a Construction Site Erosion and Sediment Control (COSESCO) permit before work starts, on top of any state IDNR General Permit No. 2 coverage. The permittee carries primary responsibility for compliance under both permits.
Ankeny Construction Site Erosion Permit
Some RestrictionsAnkeny Code of Ordinances § 169.01
Any person, entity, sole proprietorship, partnership, corporation, State agency or political subdivision ("applicant" or "person"): ... B. required to obtain a building permit from the City of Ankeny for new construction and/or a commercial or industrial addition shall also be required to obtain from the City a Construction Site Erosion and Sediment Control Permit (COSESCO permit) in addition t...
Flood Zones
In the City of Ankeny, Iowa, anyone changing land or building in a mapped flood hazard area must first get a flood plain development permit from the Zoning Administrator. The permit covers structures, factory-built homes, mining, filling, grading, paving, excavation and drilling. Skipping it is a municipal infraction.
Ankeny Floodplain Development Permit Rules
Some RestrictionsAnkeny Code of Ordinances § 193.01(12)(A), (21)
A flood plain development permit issued by the Zoning Administrator shall be secured prior to initiation of any flood plain development (any manmade change to improved or unimproved real estate, including, but not limited to, buildings or other structures, mining, filling, grading, paving, excavation or drilling operations) including the placement of factory-built homes. ... Violations of the p...
Flood Elevation Requirements
In the City of Ankeny, Iowa, new and substantially improved homes in the mapped flood plain must have their lowest floor, including any basement, at least one foot above the base flood elevation, built on compacted fill extending 18 feet beyond the structure. Flood control works like levees and flood walls must carry three feet of design freeboard above the base flood.
Ankeny Base Flood Elevation Requirements
Some RestrictionsAnkeny Code of Ordinances § 193.01(11)(B)(2)(b), (o)
Residential structures - All new or substantially improved residential structures shall have the lowest floor, including basements, elevated a minimum of one foot above the base flood elevation. Construction shall be upon compacted fill which shall, at all points, be no lower than one foot above the base flood elevation, and extend at such elevation at least 18 feet beyond the limits of any str...