Your trusted partner for municipal engineering.
ARRO Consulting is a Pennsylvania-based civil and municipal engineering practice founded in 1946 that serves municipalities, utilities, and public agencies across the mid-Atlantic region. Celebrating its 80th anniversary in 2026, it delivers water, wastewater, stormwater, environmental compliance, GIS, planning, and grant funding services. More than 80 percent of its client engagements represent repeat business. It is investor-owned, supported by BDI Partners, and has expanded its regional presence through strategic acquisitions, including CKS Engineers and Castle Valley Consultants in 2022, Private Utility Enterprises in 2025, and Ott Consulting in 2026.
Ihsan Al-FayyomiChief Executive Officer
Cynthia ZawrotukGeneral Manager
Heather MontgomeryChief Financial Officer
Kristen HasenauerDirector of People
Serving municipalities and businesses throughout the mid-Atlantic region with comprehensive infrastructure planning, municipal representation, and structural improvements.
Delivering water solutions since 1946 that sustain communities and protect shared aquatic environments through treatment and distribution planning.
Providing trusted collection, treatment, and disposal solutions for public and private sector partners to manage sewage infrastructure.
Protecting local waterways and maintaining regulatory compliance through robust municipal separate storm sewer system planning and engineering.
Navigating complex environmental regulations with straightforward permitting, compliance reporting, and toxic release assessments.
Strengthening community operations and simplifying utility management using spatial data development, automation, and asset mapping.
Assisting local communities in securing critical grant and loan funding from state and federal agencies to support infrastructure improvement.
Developing strategic land use initiatives, community master plans, and development codes to guide orderly municipal growth.
Offering economical, practical, and flexible operations and maintenance solutions for public and private utility facilities.
Keeping managers, engineers, contractors, and clients consistently updated on project development through on-site representation.
Designing functional outdoor recreational spaces and public parks that balance ecological integrity with public usability.
Work in this area is organized into supported delivery tasks.
Support includes Helping municipalities prepare.
Support includes recover.
Support includes mitigate hazards using FEMA-ready planning.
Support includes community resilience designs.
Government · Utilities · Water Supply · Wastewater · Stormwater & Flood Control · Parks & Open Space · Highways & Roads
Chester County, PA · Wastewater · Client: Upper Uwchlan Township Municipal Authority
Providing contract administration and municipal authority services for wastewater and infrastructure management.
Myersville, MD · Stormwater & Flood Control · Client: Town of Myersville
Developing a GPS-based storm sewer asset inventory to maintain compliance with MS4 regulations.
Lancaster County, PA · Wastewater
Designing and executing facility upgrades for a regional wastewater treatment plant.
Intercourse, PA · Highways & Roads · Client: Leacock Township
Improving transportation design and local mobility infrastructure to enhance community safety and flow.