ARRO is a full service water and wasterwater engineering firm, providing innovative and economical solutions to our public and private sector clients. Our capabilities range from feasibility studies complete engineering, design, construction management and testing assistance for water and wastewater facilities.


Water System Hydraulic Modeling

ARRO provides ongoing hydraulic modeling services to the Authority for its distribution system. ...

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Plater Street Booster Pumping Station

ARRO was contracted by the City of Aberdeen for the design, permitting, bidding and construction services for a wat...

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Northwest Pump Station and 24-inch Supply and Transmission Main

The project generally consisted of design, permitting, bidding, and construction phase services for a 1,600 SF maso...

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