Latest from FOX

FOX Engineering Announces New Director of Water/Wastewater Engineering

[AMES, IA, August 2021] – FOX Engineering is proud to announce that Jennifer Ruddy, P.E. has been promoted to Director of Water/Wastewater Engineering.  Ruddy succeeds Lance Aldrich, who has been with FOX since 1997 and has served as group leader since 2017.  Aldrich will remain a principal shareholder and principal-in-charge of key projects.  Jennifer started […]

Imagine a Day without Water

FOX Engineering would like to call attention to the following event: Imagine a Day without Water The US Water Alliance advances policies and programs that build a sustainable water future for all. The US Water Alliance is the only national nonprofit organization with a diverse and unique membership base that represents the range of one […]


For 36 years, FOX Engineering has provided planning, design, and construction administration services for the wastewater treatment facilities in Marshalltown. FOX is grateful to the city for the confidence they have placed in us over the years. When you enter the WPC grounds, it is immediately apparent that City staff takes great pride in their […]

Ames Water Treatment Plant Construction Update

June 2016 Contract 1 – Utilities:  All new raw and finished water mains are installed and pressure tested.  Final grading and restoration of disturbed areas are nearing completion and the newly planted grass is getting thicker by the day.  All paving and gravel access roads have been restored.  The contractor continues to flush and disinfect […]

North Liberty East Growth Sanitary Sewer

Success! Timing was critical for this project – a new school opening and residential development depended on it. The construction site of the North Liberty High School received sanitary sewer service and potable drinking water by April 1, 2016 (the contract date), well ahead of the start of school, and several nearby residential developments under […]

Planning for the Future: Assessing and Replacing Sanitary Sewer Infrastructure

If you have concerns about your city’s infrastructure, you are not alone.  However, being in good company isn’t helpful when it comes to the everyday challenges of managing expensive infrastructure and facilities for your utilities. Sanitary sewer infrastructure doesn’t exist in isolation; it is a component of an entire system of conveyance and treatment. It […]

The Fate of Nutrients: How do Nitrogen and Phosphorus Affect Biosolids Production, Treatment, and Handling?

If you are a major municipal utility with average wet weather wastewater flows greater than one (1) million gallons per day, or a minor municipal facility planning to increase design loads, the letters N and P could greatly influence your treatment process, biosolids handing, and city budget. How? These letters represent nutrients present in wastewater […]

Project AWARE

Project AWARE, the annual canoe-based river cleanup organized by the Iowa Department of Natural Resources, will convene in southeast Iowa this year. The cleanup has been set for July 11-15 on the Des Moines River. A group from the Iowa Water Environment Association and the Iowa Section of the American Water Works Association is being […]

Life Cycle Cost Analysis

For Water and Wastewater Treatment Facilities, this Analysis Can Result in Lower Costs and Higher Quality Projects Undertaking large capital projects like water and wastewater treatment plants can be intimidating. These projects often involve large sums of money, long term financing, and increased rates to pay for the improvements. With a desire for fiscal responsibility, there […]

Iowa River Sanitary Sewer Interceptor

Marshalltown, IA In 2008, the Iowa Department of Natural Resources issued a consent order to the city of Marshalltown requiring elimination of sanitary sewer overflows and basement backups for at least the 5-year storm event. As a result of this consent order, the city initiated a program to reduce infiltration/inflow (I&I) in the sanitary sewer […]

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