2727 SW Snyder Blvd, Ankeny, IA 50023

1 (888) 964-2020



Navigation

Shining Success of the Fourmile Creek Watershed Management Authority

Formation of a Watershed Management Authority

The Fourmile Creek Watershed spans approximately 119-square miles in portions of Polk, Boone, and Story Counties in central Iowa. Throughout this vast region, urbanization is occurring at a rapid rate. This increase in developed land has intensified flooding, erosion control, and water quality issues surrounding Fourmile Creek. In 2012, local communities teamed with the engineering and environmental professionals from Snyder & Associates to form one of the first watershed management authorities in the state — Fourmile Creek Watershed Management Authority (FCWMA) — to better address these serious problems.

Comprised of public and private representatives from each community in the watershed, as well as officials from each county’s soil and water conservation district offices, the FCWMA was established to protect and enhance water quality in the watershed by merging their varied resources and individual interests to accomplish a common goal.

Developing a Sound Watershed Management Plan

Shortly after the FCWMA’s founding, the group received a Watershed Planning Grant from the Iowa Department of Natural Resources (DNR) and the Iowa Economic Development Authority (IEDA) to aid in its development. With these added funds, the authority worked to create a watershed management plan that outlined a series of goals to reduce flooding and improve water quality.

The first step in this process included the compilation of a detailed watershed assessment. The Snyder & Associates team provided data they gathered from extensive hydraulic and hydrologic modeling and prepared recommendations for flood reduction, rural and urban land planning management and development, stormwater detention, and stream corridor restoration. Equipped with this information, along with input from rural and urban residents, local leaders, and environmental agencies, the Fourmile Watershed Management Plan was assembled.

group watching a powerpoint presentation

WMA members attend a group meeting to discuss goals and objectives.

Using that plan as a guide, the FCWMA team has completed a great deal of work in the intervening years. This includes extensive floodplain modeling and most recently, a Letter of Map Amendment (LOMA) for the City of Slater. This plan continues to strengthen the partnership between rural and urban residents and helps provide improvements to the surrounding communities.

City and county leaders have been incredibly proud of the work that’s been performed as a result of the FCWMA formation. The numerous jurisdictions impacted by the watershed have been completely engaged with the process, enabling multiple initiatives to move forward. Several members envision the FCWMA’s progress to stand as an example for similar watersheds around the state and the country.

Environmental Excellence Award Recognizes Program Success

A short three years after its formation, the FCWMA was a recipient of the Governor’s Iowa Environmental Excellence Award for implementing viable environmental improvements on Fourmile Creek. Presented annually by the current Governor, this award is given to a handful of Iowa businesses and government institutions for efforts made to adopt environmentally sustainable strategies that advance the preservation of the state’s natural resources. It also serves to recognize the contributions made by the authority’s members.

Construction progress on the restoration of Four Mile Creek.

WMA members, local officials, landowners, and community staff review on-site work at Fourmile Creek.

The Fourmile Creek Watershed Management Authority involves a team of individuals from several walks of life — large and small communities, rural and urban areas, public and private organizations. However, they all share a common interest in the Fourmile Creek Watershed. Thanks to the efforts of this group, several sustainable initiatives have been implemented and will continue to be implemented, to improve water quality and flood reduction in this vast and treasured resource.

View the complete report.

Read more details on the Governor’s Iowa Environmental Excellence Awards. The awards are sponsored by the Governor’s Office, the Iowa Department of Natural Resources, the Iowa Department of Agriculture and Land Stewardship, the Iowa Department of Economic Development, the Iowa Department of Education, the Iowa Department of Public Health, and the Iowa Waste Reduction Center.

Client

Polk County Conservation

Client Type

Project Type

Mark Land, P.E., CFM

Mark Land, P.E., CFM

Vice President

recent projects & completed jobs

Related Projects

Water

Memorial Tower Replacement Expands Water Storage Capacity in Council Bluffs

Expanding Capacity for the Future: Council Bluffs Water Works Memorial Tower Replacement Council Bluffs Water Works (CBWW) is replacing its long-serving Memorial Tower with a new 1.0-million-gallon elevated storage tank, increasing capacity fivefold over the existing 200,000-gallon tower built in […]

Water

Radial Collector Wells Strengthen Water Supply for Atchison, Kansas

Snyder & Associates helped Atchison develop new radial collector wells, improving raw water capacity, reliability, and long-term drinking water resilience.

Aerial rendering of the Grand Avenue roadway extension in West Des Moines|Map of National Flood Hazard Layer of the project area|Image of construction taking place for Grand Avenue extension in West Des Moines Iowa with construction workers and cement trucks in the background|Newly poured roadway with road crew working in the background.|Image of construction taking place for grand avenue extension in West Des Moines Iowa|New bridge over Johnson Creek with earthwork still to complete underneath.|View of the Johnson Creek Bridge along Grand Avenue with the new monuments installed on either side.|Custom-designed monuments for the City of West Des Moines

Structural, Transportation, Water

Grand Avenue Extension in West Des Moines Opens Additional Area for Development

To provide access to Microsoft's new data center and open additional area for development in southwest West Des Moines, city leaders contracted with Snyder and Associates and our structural engineering subsidiary, Shuck-Britson, to design the roadway extension of Grand Avenue, […]

more than 45 years

Serving Clients Around the Country