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Water and Wastewater Engineering Careers
Choosing a career in water or wastewater engineering offers a meaningful path for those passionate about engineering, the environment, and public health.
Featured
Commonwealth Announces Staff Promotions to Associate Program
PRESS RELEASE – INDIANAPOLIS, IN – January 22, 2025 – Commonwealth Engineers, Inc. (Commonwealth) announces the promotion of the following staff members in expanded leadership positions. Robyn Matthews, PE of… Read More
EPA
EPA Proposes CWA Section 401 Rule to Streamline Permitting, Unleash Economic Growth, and Protect America’s Waterways
U.S. Environmental Protection Agency (EPA) announced a proposed rule that would return Clean Water Act (CWA) Section 401 to its proper statutory purpose, protecting water quality while eliminating regulatory overreach that has… Read More
News
The Advantages of Qualification-Based Selection (QBS) and Key Elements of a Strong Statement of Qualifications
When procuring professional services, selection based solely on price may seem cost-effective, but it often leads to higher long-term expenses. Qualification-Based Selection (QBS) offers a superior approach by prioritizing expertise,… Read More
News
Required 2026 Water Loss Audits
As we head into the new year, it’s time to start thinking about water loss audits. Water utilities will once again be required to submit validated water loss audits in… Read More
News
Project Highlight: Lincoln Lake Dam
Lincoln Lake Dam is a high-hazard dam located at Lincoln State Park in Spencer County, Indiana.  The dam was constructed in the 1930s, and the Indiana Department of Administration (IDOA)… Read More
Featured
Meeting Arcadia’s Housing Needs: Water Utility Expansion and the Funding Journey
The Town of Arcadia in northern Hamilton County, Indiana, is embarking on a transformative journey to expand and upgrade its water utility treatment plant and distribution system. This ambitious project… Read More
Featured
Project Spotlight: Richmond Short Creek and Hayes Lift Stations
The Richmond Sanitary District recently completed construction on both the Short Creek and Hayes Lift Station replacement projects. An extensive flow monitoring and hydraulic modeling effort helped identify existing and… Read More
EPA
EPA Proposes Streamlined PFAS Reporting Rule
Proposal aims to cut costs while maintaining key PFAS oversight EPA Proposes Streamlined PFAS Reporting Rule | NRWA – Nov 10, 2025 The U.S. Environmental Protection Agency (EPA) has proposed… Read More
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acceptance of planning documents, plans, and specs for permitting & funding

Water Resource Engineering & Consulting Services

Since 1974, Commonwealth Engineers has been the consultant of choice by a broad cross-section of clientele, including cities, towns, municipalities, private sector and commercial clients. Our core team of engineers, scientists, regulators, and designers are specialized to solve your most pressing matters related to wastewater, potable water, stormwater, sustainable infrastructure, dams, levees, waterways, site civil, and energy-saving systems.

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INFRASTRUCTURE | REGULATORY | PLANNING | BUDGET

No matter your need, you can count on project support from our staff from start to finish, and even beyond! Every project is assigned a Project Manager, Funding Specialist, Regulatory Specialist, Project Engineer, and Designer…all accompanied by our business development staff keeping you connected to the right person, at the right time, every step of the way.

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