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.

Awards

Commonwealth Named 2023 Top Engineering Firm by PSMJ

August 11, 2023 – PSMJ Resources, Inc., the world’s leading authority on architecture, engineering, and construction firm management, announces the members of the 2023 Circle of Excellence. Sixty-eight exceptional architecture… Read More

Featured

Monticello Water Improvements Groundbreaking

EVENT SPEAKERS: SPECIAL THANKS: RCA NEIGHBORHOOD DRINKING WATER IMPROVEMENTS PROJECT (PHASE 2) This project was funded entirely by the Indiana Finance Authority (IFA) State Revolving Fund (SRF) which provided over… Read More

Featured

Town of Wolcott WWTP Ribbon Cutting

EVENT SPEAKERS: PROJECT HIGHLIGHTS: PROJECT DESCRIPTION: The Wolcott WWTP and Collection System were approaching 50 years in service and normal wear and tear resulted in chronic maintenance activities. This project… Read More

Featured

Project Spotlight: City of Nappanee Airport Tank

The City of Nappanee recently completed a $2.5 million project to construct a new 600,000-gallon single pedestal spheroid elevated storage tank.

Press

Wolcott officials open new wastewater treatment facility thanks to funding from USDA Rural Development | Rural Development

Wolcott officials open new wastewater treatment facility thanks to funding from USDA Rural Development | Rural Development WOLCOTT, Ind. – June 15, 2023 – U.S. Department of Agriculture (USDA) Rural Development (RD)… Read More

Featured

National Dam Safety Awareness Day

May 31st is National Dam Safety Awareness Day. Dams are a vital resource for many people. Their purpose can be to provide recreation, water supply, flood control, hydropower, and much… Read More

Featured

Solar Energy Savings for Your Infrastructure Projects

Did you know that solar power can provide your community with significant savings beyond your electrical costs? Part of the Federal Government’s Bipartisan Infrastructure Deal and Build Back Better Agenda… Read More

Featured

Preliminary Engineering Reports

A Preliminary Engineering Report (PER) is a document developed by the engineer to assist in the planning and assessment of a project for a utility. A completed PER is required… Read More

Featured

Project Spotlight: City of Berne Combined Sewer Separation and Hydraulic Modeling

The City of Berne recently finished constructing over $3.5 million in combined sewer separation collection system improvements. Improvements included installing new storm and sanitary gravity sewers ranging from twelve (12)… Read More

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acceptance of submitted 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.

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!

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 – Greenfield, Indiana

Project Need Originally constructed in the 1960s, updated and expanded through the 2000s Includes one (1) main activated sludge wastewater treatment facility and two (2) trains of Actiflo high-rate settling… Read More

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Wastewater

West Side Interceptor Improvements – Richmond, Indiana

Project Highlights Replace gravity sewers Collection system improvements Reduce combined sewer overflows Project Description The Richmond Sanitary District recently finished constructing over $6 million in collection system improvements, which involved… Read More

Wastewater

Wastewater Treatment Improvements – 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 – 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 – 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 – Madison, Indiana

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

Potable Water

Water System Improvements Project – 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 – 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 – Fairmount, Indiana

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

Stormwater

Crown Point Sewer Improvements Project – 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

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