For over 70 years, ARRO has been a cornerstone of the water and wastewater industry in the mid-Atlantic region. Our clients can feel confident that they are in good hands, thanks to our comprehensive capabilities, innovative solutions, and extensive knowledge of ever-changing regulations.

ARRO is uniquely positioned to provide our public and private sector clients with creative, cost-conscious, and environmentally-sound solutions to their water and wastewater needs. From making sure your residents have clean water, to protecting the environment in which we live and work, we are committed to providing services that make our communities better.

Water Capabilities

  • Water source and supply development
  • New/existing source and allocation permitting
  • Distribution systems
  • Pumping stations
  • Water storage tanks
  • Water quality evaluations and modeling
  • Capital improvement and master planning
  • Leak detection
  • Hydrant and fire flow tests and modeling
  • Flow metering
  • Management studies
  • Infiltration and inflow (I/I) investigations
  • Construction management and observation
  • Contract operations
  • Rate/fee studies
  • Utility valuation studies
  • Management studies

Hydraulic Modeling

  • Wastewater collection systems
  • Water distribution systems               
  • Stormwater systems

Engineering Services

  • Electrical
    • Power distribution
    • Standby/emergency power systems
    • Energy conservation/management
    • Interior/exterior lighting
    • Process instrumentation and controls
    • Telemetry control systems
    • Security/alarm systems
    • SCADA layout
  • Structural
    • Building analysis and design
    • Foundation analysis and design
    • Existing structure evaluations
  • Mechanical
    • HVAC
    • Plumbing
  • Stormwater and erosion/sediment control