MECO-Heneghan Engineers, LLC

MECO-Heneghan Engineers, LLC MECO-Heneghan Engineers, LLC was formed in 2018 as a joint venture between MECO Engineering and Heneghan Associates.

With each firm bringing 40+ years of experience, MECO Heneghan is capable of handling your engineering and surveying project needs!

09/16/2026
Building our region's water future—one milestone at a time. 💧These new photos highlight the continued progress at the wa...
07/21/2026

Building our region's water future—one milestone at a time. 💧

These new photos highlight the continued progress at the water treatment plant site and along the regional water main system. Each phase brings us closer to delivering a reliable, locally controlled water source.

This project is more than infrastructure—it's a long-term investment in water security, economic growth, and a stronger future for our region. Stay tuned as we continue making progress!

Illinois Alluvial Regional Water Company

Building a stronger water future for our region. 💧 These photos showcase ongoing progress at the water treatment plant s...
06/16/2026

Building a stronger water future for our region. 💧 These photos showcase ongoing progress at the water treatment plant site and the regional water main system that will provide a reliable, locally controlled water source for seven communities. Every step forward is an investment in long-term water security and regional growth.

Illinois Alluvial Regional Water Company

👷🏻‍♂️GROUND BREAKING🥳Big news for Jersey & Macoupin Counties 💧Illinois Alluvial Regional Water Company has officially br...
05/05/2026

👷🏻‍♂️GROUND BREAKING🥳

Big news for Jersey & Macoupin Counties 💧

Illinois Alluvial Regional Water Company has officially broken ground on Phase IA of a major regional water supply project—bringing a more reliable, locally controlled water source to seven communities, including Carlinville, Bunker Hill, and beyond.

This first phase will include new groundwater wells, a regional treatment plant, and transmission systems designed to support long-term water quality and stability.

With support from USDA Rural Development and local leadership, this project is a big step toward ensuring dependable water for decades to come.

The Full Story: https://mecoheneghan.com/illinois-alluvial-regional-water-company-breaks-ground-on-regional-water-supply-project/

05/01/2026
Happy National Surveyors Week! 🎉This week we’re recognizing the surveyors and surveying technicians whose work helps bri...
03/15/2026

Happy National Surveyors Week! 🎉

This week we’re recognizing the surveyors and surveying technicians whose work helps bring projects to life. From mapping land and gathering critical data to ensuring accuracy from the very start, surveyors play an essential role in shaping the communities around us.

A big thank you to our talented team at MH — your skill, dedication, and commitment to precision help lay the foundation for everything we do.

A huge congratulations from all of us at the MH team!
03/05/2026

A huge congratulations from all of us at the MH team!

Great job, Matt! MH strongly believes in the value of community and a large piece of that is pouring into the future of ...
03/03/2026

Great job, Matt!

MH strongly believes in the value of community and a large piece of that is pouring into the future of the industry.

If you have an opportunity for one of our professionals to come speak to your students, please contact us to get something set up! 📐👷🏼‍♂️

Happy National Engineers Week! 🎉This week, we’re proud to celebrate the engineers and engineering technicians who design...
02/25/2026

Happy National Engineers Week! 🎉

This week, we’re proud to celebrate the engineers and engineering technicians who design, innovate, and help build the world around us. A special shoutout to our incredible team at MH — your dedication, talent, and problem-solving skills make a lasting impact on our communities every single day.

Join us in recognizing engineers everywhere for their hard work, creativity, and commitment to shaping a stronger future. 💡🏗️

Address

900 South Highway Drive, Suite 202
Fenton, MO
63026

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

(636) 395-7055

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