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Thousands have lived without love, not one without water.
- W.H. Auden
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Modern, water-efficient fixtures have changed water usage patterns, reducing overall flows and the frequency and magnitude of peak flows.
- Peter Mayer
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Water, is taught by thirst...
- Emily Dickinson
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With grim optimism, every water professional I've met understands that tremendous water supply and management challenges await us.
- Peter Mayer
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Without regard to whether some place is wealthy or poor, everybody should have the chance at clean air and clean water.
- Barack Obama
ButtonOver the past 25 years, per capita water use and total water withdrawals for public supply in the United States have declined.
-Peter Mayer
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A drop of water, if it could write out its own history, would explain the universe to us.
-Lucy Larcom
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Meter accuracy and reliability have enabled water utilities to implement more effective water rate structures, thus increasing efficiency.
- Peter Mayer
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Water is the lifeblood of our bodies, our economy, our nation and our well-being.
-Stephen Johnson
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Water is the driving force of all nature
-Leonardo da Vinci
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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 provides services across North America.

WaterDM Services
- 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
“Water is a limited resource unlike any other. Our ability to adapt water use over time is essential. WaterDM was founded to advance the concepts of demand management in the face of climate change.” - Peter Mayer P.E.
Featured Projects

Colorado WaterWise Best Practices Guidebook
Peter Mayer lead a team that updated the Best Practices Guidebook for Municipal Water Conservation on behalf of Colorado WaterWise.

ANSI/AWWA G480-20 Management Standard
Peter Mayer served on the committee that developed the updated G480 Water Conservation and Efficiency Program Operation and Management Standard.
End Use Research with Flume Data Labs
Peter Mayer is the Principal Investigator Flume Water's Residential End Uses of Water, Version 3 study conducted for the Water Research Foundation.