Latest from FOX


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 […]

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 […]

Replacing a 100 Year Old Landmark

Age and condition of this landmark ground storage reservoir put it at the top of the city’s capital improvements list.  Replacement was critical because all treated water flows through this tank. The city of Washington, FOX Engineering, and DN Tanks collaborated to replace the 100-year-old ground storage reservoir.   An article highlighting the project was created […]

Energy Savings for Marshalltown

In 2011, FOX Engineering began a detailed evaluation of the Marshalltown Water Pollution Control Plant (WPCP) in cooperation with Alliant Energy.  The mission: identify improvements that could be made to the facility that would reduce the plant’s energy consumption.  The Marshalltown WPCP processes include conventional activated sludge with primary clarifiers for the main municipal treatment […]

Hickory Grove Lake Watershed Improvements – Phase 1

Story County Conservation Story County, Iowa Hickory Grove Lake is a Story County Conservation (SCC) park that is a popular destination for recreation in central Iowa. The 400-acre park and 98-acre lake have popular campground amenities, a beach for swimming, and fishing opportunities.  The lake was included on the Iowa 2008 303(d) impaired waters list […]

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