Who We Are

We drive performance-based water management through technology, education, and consulting.

Mammoth Water has led the development and implementation of the world’s most advanced water markets in the world – called smart markets. The rollout of Mammoth Water’s smart markets over 500K irrigated acres has reduced search and transaction costs of water trading for thousands of America’s food producers. We make water trading more affordable, accessible, and equitable.

Mammoth Water also brought to market TAPP H2O, a mobile and web app and cloud-based software that helps growers track their water use relative to their allocations. Our team is passionate about developing trusted technology solutions that help growers achieve regulatory compliance and conservation goals, with experience across the western United States. Mammoth Water is the technology wing for our parent company, ERA Economics.


At Mammoth Water, we’re driven by stewardship, ensuring that our precious water resources are available to support the lives and livelihoods of our children, grandchildren, and generations to come.


We build software that helps agricultural producers—the primary stewards of water—track, trade, and report water use efficiently. We further help water managers and corporations manage complex water data, monitor program performance, and boost results.


We start with domain expertise in water management and agricultural economics. Next, we add expert listening to understand your specific needs and goals. Then we develop smarter, simpler technology solutions to supercharge your work.

We’re grateful to these organizations for their help in accelerating our company.

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We have also presented our work at the White House Water Summit, SIWI World Water Week, The World Bank, and Imagine H2O.

Team Perspectives

Mammoth Water acquired by ERA Economics

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We are delighted to announce that Mammoth Water was acquired by ERA Economics, and join a team that ours at Mammoth has long admired. The acquisition emerged organically out of…

Water Market Readiness: A rapid scoping toolkit

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Is your region water-market ready? Together with the Daugherty Water for Food Global Institute, we built a scoping tool to help you answer your water market readiness based on five…

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How we work with growers.

How we work with water managers.

How we work with corporations.

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