ARRO Consulting Inc.

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ARRO Consulting Inc.

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ARRO is a full-service engineering and environmental consulting firm serving the Mid-Atlantic region. We’re a team of passionate engineers and consultants.

For 80 years, ARRO Consulting has been delivering practical solutions in municipal engineering, water, wastewater, stormwater, environmental compliance, GIS, technology, planning, parks and recreation, and more. Headquartered in Lancaster County, PA, we serve the Mid-Atlantic region from 13 strategically located offices. Our clients rely on us not just for technical excellence, but for consistent, long-term partnership. We tailor every solution to meet real-world challenges, deliver on time and within budget, and help communities thrive.

10/22/2026

We have some very exciting news to share!

ARRO Consulting has been named among Engineering News-Record's 2026 Top 200 Environmental Firms - and we couldn't be more proud!

This national recognition marks an important milestone for ARRO and reflects the incredible expertise across our organization. From environmental compliance and permitting to stormwater management, water and wastewater engineering, and contract operations, our teams bring a wide range of capabilities and experience to the clients and communities we serve.

We're especially proud of the people across ARRO whose hard work and dedication make achievements like this possible. And we're excited for what's ahead!

Read the full announcement here: https://www.arroconsulting.com/news/arro-recognized-among-enrs-2026-top-200-environmental-firms

10/15/2026

Please join us in officially welcoming Jeff DeLaet, PE to ARRO as our new Director of Environmental Engineering!

With more than 35 years of engineering consulting experience, Jeff brings a wealth of technical expertise and leadership to our growing Environmental Service Line.

Throughout his career, Jeff has led multidisciplinary teams and complex environmental projects across the private, public, and federal sectors throughout the United States. In his new role, he’ll help lead and grow ARRO’s environmental capabilities, supporting our teams and clients with his technical expertise, strategic leadership, and extensive industry knowledge.

We’re excited to have Jeff on board and look forward to the perspective and leadership he’ll bring to ARRO and our environmental team.

Welcome to ARRO, Jeff!

10/05/2026

Saturday was a beautiful day for members of the ARRO team to roll up their sleeves for a volunteer workday at Graham Nature Preserve in York, PA!

Our team joined other volunteers to help remove invasive plant species throughout the preserve and support the ongoing care of this local space..

Thank you to everyone who joined us and gave their time to make a difference in our community!

09/25/2026

Our first official in-person YP meetup!

Earlier this year, ARRO launched our Young Professionals group as a way for emerging professionals across the company to connect, learn, and grow together. Since then, the group has been meeting virtually each month for a mix of professional development, engaging topics, and a little fun along the way.

Last night, we took things offline for our first in-person meetup at Bistro on Bridge in Phoenixville, PA! It was a great evening of catching up, meeting new faces, and spending time together outside of the office.

We’re looking forward to many more opportunities to bring our YPs together!

09/21/2026

Who knew water treatment could double as a team sport?

Staff from our Water/Wastewater Service Line recently got together at our Lititz headquarters for a day focused on one thing: connection.

Throughout the day, staff participated in presentations on building their professional brands, heard from members of our leadership team, and had plenty of opportunities to connect and share ideas with colleagues.

The highlight? A hands-on challenge where teams bid on materials to treat and filter “dirty” water, then competed to see who could produce the cleanest result. Nothing like a little friendly competition to bring the team together!

09/17/2026

September is National Preparedness Month, making this week a fitting time for members of our team to attend the 2026 Blair County LEPC Emergency Preparedness Summit in Altoona, PA.

The event brought together professionals from across the region to discuss severe weather and natural disasters, partnerships with first responders, and ways to strengthen emergency preparedness and response.

Dylan McClellan and Amanda Michelone represented ARRO at the event, sharing how our team can support communities and organizations before and after unexpected events. ARRO’s disaster planning capabilities help clients prepare for emergencies, while our recently expanded environmental services provide additional support when incidents occur — including spill response and cleanup for releases involving fuels and other hazardous materials.

Preparedness is about more than having a plan in place. It’s also about having the right resources and partners ready when they’re needed.

Thank you to the Blair County Local Emergency Planning Committee for hosting us this week!

09/11/2026

ARRO is heading to Erie for the 2026 Pennsylvania Municipal Authorities Association Conference & Trade Show next week!

We’re looking forward to connecting with authority leaders and industry colleagues from across Pennsylvania while enjoying a few great days at the Bayfront Convention Center.

If you’ll be attending the conference, be sure to stop by booth #36 to say hello to Mike Schober and Joe Bluge!

09/04/2026

Labor Day is an opportunity to recognize the hard work that happens every day - the time, effort, skill, and dedication people bring to their work, often in ways that may not always be seen.

Every contribution matters. Today, we celebrate the people behind the work and the difference they make in our workplaces, communities, and beyond.

As we head into the holiday weekend, we hope you enjoy some well-deserved time to rest, recharge, and spend with loved ones. Be safe and enjoy the last days of summer!

09/02/2026

Please join us in officially welcoming Evan Leaman, CPA to ARRO as our new Controller in our Lititz, PA office!

Evan joins ARRO with more than eight years of accounting and financial leadership experience, with a background in financial reporting, process improvement, systems implementation, and multi-entity accounting. As part of our Finance team, he’ll help support ARRO’s financial operations and continued growth.

We’re excited to have Evan on board and look forward to the experience and perspective he’ll bring to the ARRO team.

Welcome to ARRO, Evan!

08/31/2026

ARRO is heading to Ocean City for the 2026 Tri-Association Conference (Tri-Con) this week!

We’re looking forward to a few great days of learning, connecting, and catching up with industry colleagues.

If you’ll be at Tri-Con, be sure to stop by booth #71 to say hello to Mike Schober!

Address

108 W Airport Road
Lititz, PA
17543

Website

http://www.arroconsulting.com/

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