Water – Drinking Water, Sanitary Sewer and Stormwater

Walden provides a variety of services for the development and upgrade of water and wastewater systems including but not limited to design of treatment system, water quality, drinking water safety, wastewater permitting and many types of water-related compliance concerns every day.  Our experience and knowledge makes us the best-equipped team to tackle the most challenging water problems. We are staffed with highly experienced civil and environmental engineers, geologists, and scientists who have the knowledge and skill to help our clients move forward in a cost-effective manner. By hiring Walden, you can increase the confidence that your customers, clients, elected officials and other stakeholders will have in your water operations.

Design of Water Supply, Treatment, and Distribution Systems

  • PFOA/S, 1,4 Dioxane, and Nitrate and VOC Removal System
  • GAC Filters and Plant Improvements
  • Iron Removal Systems
  • Legionella Compliance
  • Remaining Capacity Studies
  • Grant Writing and Administration
  • Control System Evaluation and Design
  • Condition assessments/audit
  • Hydrogeological studies
  • Booster and pump station design
  • Subsurface utility engineering
  • Regulatory strategies and negotiations
  • Maintenance Planning and Prioritization
  • New Tank and Rehabilitation Design
  • Water Main Replacement Programs
  • Water quality and supply studies

Design of Wastewater Collection, Treatment, and Compliance Systems

  • Resource Recovery and Waste to Energy
  • Remaining Capacity Studies
  • Failed and Failing Septic System Abatement
  • Nonpoint Pollution Identification and Abatement
  • Grant Writing and Administration
  • Control System Evaluation and Design
  • Condition assessments/audit
  • SSES investigations
  • Inflow/infiltration analysis
  • SSO/CSO evaluation/elimination
  • Sewershed studies
  • Subsurface disposal systems
  • Subsurface utility engineering
  • Sludge treatment and disposal
  • Industrial pretreatment
  • Enhanced nutrient removal upgrades
  • Regulatory strategies and negotiations
  • NPDES permitting

Design of Stormwater Management, Water Quality, and Green Infrastructure Systems

  • MS4
  • Grant Writing and Administration
  • Condition assessments/audit
  • Subsurface utility engineering
  • Regulatory strategies and negotiations