Lancaster County

Lewisberry Area Joint Authority

ARRO began operating and maintaining this 100,000-gallon per day activated sludge wastewater treatment plant in Jan...

Resident Project Representative (RPR) & Construction Services

ARRO’s resident project representative (RPR) staff works on-site under the direction of the ARRO project manager ...

Contract Operations & Maintenance Services

Since May 2002, ARRO has been responsible for the normal operation and maintenance of the Conewago Township Sewer A...

Municipal Leak Detection Services

ARRO assists with leak detection services by deploying acoustic leak detection equipment as well as computer correl...

Wastewater Treatment Plant Upgrade Design & Bid

A food processing facility located in Lancaster County contracted ARRO to complete design and bidding services for ...