PROJECT

Wastewater Treatment Facility, Phases I, II, III.

Dyersville, Iowa

Wastewater Treatment Facility, Phases I, II, III

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project details.

Client

City of Dyersville

Location

Dyersville, Iowa

Services

  • Engineering
  • Municipal
  • Water Resources
  • Land Survey
  • Field Services

Designing a wastewater system that allows for continued growth.

Origin Design has a long history of providing engineering services to the City of Dyersville. The original mechanical WWTF at the current site was constructed in 2001-2002. This project, now referred to as Phase I improvements, primarily included an influent lift station, a headworks/administration building with mechanical fine screening and grit removal, a three-channel oxidation ditch, two circular secondary clarifiers, and two circular aerobic digesters.

01/01

project overview

Due to continued City growth, the necessary frequency of sludge removal from the aerobic digesters created operational problems. As a result, the Phase II project was completed in 2010 and included the construction of a sludge processing building to house a belt filter press for sludge dewatering. The project also included the installation of variable frequency drives (VFDs) for the aeration system at the oxidation ditch. The Phase II project for the Dyersville WWTF received 20% CWSRF loan forgiveness through the American Recovery and Reinvestment Act of 2009 due to an increase in energy efficiency.

Due to the results of influent sampling subsequent to the Phase II improvements, an increase in overall treatment capacity was required in order for the City of Dyersville to continue to grow. As was ultimately intended during the design of the Phase I improvements, duplication of the existing secondary process (oxidation ditch and secondary clarifiers) wrapped constructed in 2018. This project, referred to as the Phase III expansion, also includes installation of an ultraviolet light (UV) disinfection process.

Funding for the Phase III expansion project included a $1,000,000 disaster resiliency grant from the federal Economic Development Administration.

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Follow our journey.

#workingontomorrow With golf season right around the corner, Zach Thielen & Morgan Johnson stopped by @themeadowsgolfclub Clubhouse Renovation to check out the construction progress.

Learn more about the project here.

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Even with winter weather, construction continues on the Cedar Valley Nature Trail. Design Technician, Joe Rettenberger recently stopped by the site to check out the progress.

We're excited to be partnering with the Black Hawk County Conservation Board and Taylor Construction on this 12-foot-wide bridge replacement project over Mud Creek. Learn more about the project below!

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Craig Geiser & Joe Rettenberger stopped by the Civil & Construction Engineering Technology Career Fair at Hawkeye Community College today to talk with students about all things Origin Design!

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Happy Engineer's Week! We couldn't do what we do without the talented individuals pictured below!

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We're Hiring! Are you an experienced Traffic & Transportation Engineer? If so, we want you to join our #origincrew! Learn more & apply!

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It's that time of year, Spring Career Fair Season! Check out the graphic to see where we are heading this Spring. And while you're at it, head to our website to check out our open positions! We hope to see you there!

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Come join our team! We're #hiring a Structural Project Engineer to join our team! The position is based in our Dubuque Office. Think you may be the right fit? Learn more & apply now! 

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Hey Pioneers! Today is the day! Stop by the Engineering Career fair from 3-6 PM to chat with Noah & Isaiah about your future at Origin Design!

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Tasha Peacock recently joined Origin Design's project support team! We're excited to have you on our #origincrew and can't wait to see what you'll accomplish. Welcome, Tasha!

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Hey Cyclones! Today is the day! Stop by Booth S159 in Scheman at the Engineering Career Fair to chat with Morgan & Emily about your future at Origin Design!

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41 years ago today our company was founded. To celebrate more than four decades of delivering solutions to our clients, we have added Origin Design Day as a holiday for our Employee Owners. Our offices will be closed today in observance of Origin Design Day.

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We're Hiring! Are you looking to break into the A/E Industry? Or just looking for a change of pace? Check out our open positions here and see if we might be the right fit for you!

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