Committed to protecting water quality and, more generally, quality of life.
We work in partnership with our clients, serving the communities in which we live and work.

News

PFAS Update & Reminder of IFA-SRF Goals

On November 17, 2022, the EPA posted an update on progress made during the first year of implementation of the “PFAS Strategic Roadmap”. The report indicates that the EPA has… Read More

Awards

Michael Duckworth receives Sagamore of the Wabash

A big week for one of our CEI team members! Congratulations to our very own Mike Duckworth on receiving the Sagamore of the Wabash Award this week and for also… Read More

Press

EPA Invests in Research for Small Community Lagoon Wastewater Treatment

EPA Awards Nearly $2M in Research and Issues Action Plan to Help Small Communities Protect Public Health and Increase Access to Clean Water News Release – October 27, 2022 –… Read More

News

Newburgh WWTP Wins Safety Award

Congratulations to the Town of Newburgh Wastewater Treatment Facility, as it received the Indiana Water Environment Association 2022 George W. Burke, Jr. Facility Safety Award. This award, presented on October 27,… Read More

Press

Crown Point, Lake County moves forward with wastewater utility improvement project.

CROWN POINT, IN — October 21, 2022 The Lake County commissioners and the City of Crown Point are moving forward with an interlocal agreement that would help homeowners in nearby… Read More

Featured

City of Crown Point Ribbon Cutting

On Monday, October 24, 2022, the City of Crown Point, IN held a ribbon cutting for its $2M Sanitary and Stormwater Improvements Project. Mayor Peter Land, Col. Paul Culberson, District… Read More

Featured

City of Portage Ribbon Cutting

On October 20, 2022, the City of Portage, IN held a ribbon cutting for its $1.5M Sewer Rehabilitation Project. Mayor Sue Lynch, Col. Matthew Broderick, Deputy Commander, U.S. Army Corps… Read More

Featured

City of Richmond West Side Interceptor Improvements Project

The Richmond Sanitary District recently finished constructing over $6 million in collection system improvements. This involved replacing and rerouting aged gravity sanitary sewers with new twenty-four (24) to thirty-six (36)… Read More

Featured

Greenfield WWTP Groundbreaking

The City of Greenfield, IN broke ground on its new Wastewater Treatment Plant (WTTP) on October 11, 2022. The groundbreaking event held at the project site was well-attended. In attendance… Read More

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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.

WHAT ARE YOUR GREATEST CHALLENGES?

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.

We are here to help, contact us today!

6 OFFICES

INDIANA AND KENTUCKY

We’re invested in the communities in which we live and work. Like you, we want our families to live in a sustainable, healthy environment with a state-of-the-art infrastructure that is affordable and supportive of job growth for generations to come.

Wastewater Treatment Plant Improvements – City of Berne, Indiana

The Problem The City of Berne operates a Class II, 0.683 MGD controlled discharge waste stabilization lagoon facility consisting of a 16.42-acre lagoon (#1), a final 21.15-acre lagoon (#2), two… Read More

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Wastewater

Wastewater Treatment Improvements – Town of Syracuse, Indiana

The Problem Commonwealth was hired to investigate and provide solutions to an underperforming wastewater treatment system for their oxidation ditches, which was also impacting performance in their clarifiers requiring frequent… Read More

Potable Water

Water System Improvements – Town of Flora, Indiana

Water System Improvements Town of Flora, Indiana Commonwealth Engineers worked with the Town of Flora on a two-part project to make improvements to their water system. Division “A” – Water… Read More

Wastewater

Long Term Control Plan Improvements – City of Crown Point, Indiana

Commonwealth Engineers performed a Long Term Control Plan improvements for the City of Crown Point. It included: ANDERSON POND PROJECT The Crown Point Anderson Pond Project is a Long Term… Read More

Wastewater

Long Term Control Plan & Sewer System Modeling – City of Madison, Indiana

Long Term Control Plan & Sewer System Modeling City of Madison, Indiana Commonwealth Engineers performed a Value Engineering / Alternatives Assessment to the City’s CSO Collection System Improvements Project. Coordinated… Read More

Potable Water

Water System Improvements Project – Town of West Terre Haute, Indiana

A Preliminary Engineering Report and Environmental Report were conducted to address West Terre Haute’s water system concerns. Reports were completed in compliance with USDA Rural Development/State Revolving Fund Standards to… Read More

Wastewater

Long Term Control Plan Improvements Project – City of Nappanee, Indiana

Long Term Control Plan Improvements Project City of Nappanee, Indiana CSO Interceptor and Wet Weather Treatment and Storage Facilities Project: This project provides collection and treatment of excessive combined sewage… Read More

Wastewater

Wastewater Treatment Plant Improvements – Town of Fairmount, Indiana

Wastewater Treatment Plant Improvements Town of Fairmount, Indiana Commonwealth Engineers, Inc. (Commonwealth) performed value engineering and construction oversight/inspection for the noted WWTP Improvements Project. Efforts commenced with our Value Engineering… Read More

Stormwater

Crown Point Sewer Improvements Project – City of Crown Point, Indiana

Crown Point Sewer Improvements City of Crown Point, Indiana As part of the Long Term Control Plan, the City of Crown Point continues to find grant funding and savings options… Read More

Wastewater

WWTP Improvements Southwestern Consolidated School District – Shelby County, Indiana

The Problem The Southwestern Consolidated School District (SWCSD) needed to replace its existing Steel Packaged Wastewater Treatment Plant (WWTP) serving the School System in Shelby County, Indiana. The existing packaged… Read More

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