Drinking Water

Drinking Water

Walden provides a variety of services for the development and upgrade of drinking and other potable water systems including but not limited to design of groundwater and surface water supplies, treatment systems, water quality, drinking water safety, water 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 drinking water operations.

Walden’s Drinking Water Services are listed below:


  • 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


Walden Develops a Tank Coating Renewal and Improvement Prioritization Program

Working for a mid western U.S.A Investor-Owned Utility company, Walden developed a renewal and improvement prioritization program for tank coatings.  The utility provides drinking water to over 650,000 people in 46 cities and towns. With more than 125 tanks spread throughout the separate distribution systems, and limited funds for improvements, the need for a prioritization system was necessary. A Tank Improvement Prioritization System (TIPS) was developed and implemented by Walden to effectively rank tank coating condition.  Read more