Water Demand Management, LLC (dba WaterDM)

Peter Mayer P.E.

Peter Mayer, P.E.

Peter Mayer, Principal and Founder of WaterDM, is a professional engineer and urban water expert who has dedicated his career to advancing the science of water management. Peter’s work focuses on urban water management, water demand research, water efficiency planning, demand forecasting and utility metering. In 2016 Peter testified as Georgia's urban water expert at the US Supreme Court trial vs. FL. Over his career, Peter has worked with hundreds of water utilities and organizations across the US and Canada.

Download Peter's resume.

Water Demand Management

WaterDM is an engineering consulting firm focused on demand side management of water resources. Founded by urban water management expert Peter Mayer, P.E., WaterDM is based in Boulder, Colorado and provides services across North America.


Since 2013, WaterDM's clients have included:


  • New York City Water Board
  • Aurora Water
  • Colorado Water Conservation Board
  • Metropolitan Water District of Southern California
  • State of Georgia
  • Austin Water
  • Tucson Water
  • Alliance for Water Efficiency
  • California Department of Water Resources
  • Left Hand Water District
  • Colorado WaterWise
  • City of Fort Collins
  • Marin Water
  • and many more

Services and Expertise

  • Utility consulting
  • Water use research and analysis
  • Integrated water resource planning
  • Water conservation planning and implementation
  • Analysis of rates and rate structures
  • Drought preparedness and response
  • Demand forecasting
  • Demand tracking
  • Expert testimony
  • Evaluation of changes in demand
  • Statistical analysis of water demand and modeling
  • Meter technology consulting
  • Meter and service line sizing
  • Water loss control
  • Water software development