Meet ARRO Consulting

A dedicated team of civil and environmental
engineers and professionals, serving locally since 1946.


  1. PA Chamber Annual Environmental Conference & Trade Show

    April 23 @ 8:30 am - 3:30 pm
  2. EPWPCOA Industrial Pretreatment Conference

    April 25 - April 26
  3. MRWA Conference

    May 7 - May 8
  4. APMM Annual Conference

    May 14 - May 16
  5. PWEA PennTec Conference

    June 2 - June 4

ARRO Consulting, Inc. is a full service, engineering and environmental consulting firm, headquartered in Lancaster County, PA, serving the mid-Atlantic region from seven strategically located offices.

Every project is undertaken with a client focused approach, understanding that each client and project is unique. We foster open communication and transparency with our clients to best tailor our methods, while presenting cost-effective solutions, and delivering exceptional results on time and within budget. Our long standing reputation of excellence rests on our commitment to our clients, anticipating their needs, and staying ahead of their expectations. 

With our core values of integrity, accountability, dedication, respect, and dependability, we strive to provide unparalleled expertise and customer service, and to better the communities in which we live and work.