For over two decades, ARRO Water Services has operated Conewago's complex 0.5MGD wastewater system, fine-tuning the sequencing batch reactors and implementing impactful upgrades to optimize treatment. Read how diligent maintenance of 100 residential grinders and 8 major pump stations protects the community's vital infrastructure.

ARRO was awarded a contract to complete annual reports regarding chemical releases and waste management activities for a Tank Manufacturing Company at two different facility locations in Pennsylvania and South Carolina. The company designs, fabricates, and constructs welded steel tanks. Annually, ARRO performs Toxic Release Inventory (TRI) Reporting for both facilities. As part of the reports, ARRO calculates production-related waste managed and recycled off site and prepares numerous TRI Form...

ARRO was contracted by the Town of Myersville, Maryland to do an onsite acquisition of GPS data and attributes of municipal, private, and MDOT storm sewer assets to complete and add attribute data to the municipality’s aging storm sewer map.

ARRO assists with leak detection services by deploying acoustic leak detection equipment as well as computer correlation to assist facility owners with analyzing their distribution systems for physical loss taking place with their distribution system.

East Whiteland Township hired ARRO to conduct planning, bidding, and construction services for their “Valley Creek Park Improvements” Project, completed in 2016. The project included improvements to the park’s pavilion area and playground; increasing the park’s usability and recreational features. ARRO assisted with the public bidding portion of the project in regards to the demolition of the existing pavilion, construction of the improved concrete pad, furnishing and installation of the pavilion,...

ARRO completed comprehensive visual examinations of the Eagle Hunt effluent storage tank, Upland Farms effluent storage tank, and Windsor Ridge effluent storage tank. Inspection of these effluent tanks consisted of visual inspection to determine the overall condition of the tanks’ exterior, foundation, and appurtenances. ARRO found the tanks to be in good overall condition, with minimal need for minor repairs. The recorded defects and ARRO’s recommended repairs were included in each tank’s report.

Challenge: Due to tighter effluent restrictions on nitrogen and phosphorus, major WWTP upgrades became necessary. Opportunities: Work closely with the client to select an innovative technology for nutrient removal and integrate it into their existing WWTP. Implement a new headworks, a new biological nutrient removal system, a new emergency generator, and upgrades to the SCADA system.

ARRO provides ongoing hydraulic modeling services to the Authority for its distribution system. ARRO’s services include development of the model in WaterGEMS from CADD-formatted distribution maps, billing data, and documentation on pumping and storage infrastructure provided by Authority staff. Ongoing modeling services include on-call evaluations of available capacity (flow and pressure), fire supply, and recommendations for distribution system upgrades within the service area.

Willistown Township is located between the mainline and Route 3 in eastern Chester County, Pennsylvania, with an approximate population of 11,000 people. Willistown became a township in 1704 and has a history predating the Revolutionary War. As Willistown’s Zoning Officer, ARRO is responsible for permits, inspections, orders, and citations issued by the township. ARRO completes commercial and residential building code inspections as needed, along with plan reviews.