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Find partners by place
Compare the mix of utilities, firms, researchers, and public agencies in each region. Use state filters to start a local search.
One Water OS Directory
Find the people and organizations moving water forward.
Explore utilities, public agencies, consultants, technology providers, nonprofits, and research institutions by place and purpose. Every result leads to a profile, a contribution record, or a direct source.
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Explore the United States water ecosystem
Choose a state, region, organization type, or water topic. The map and results stay synchronized as you explore.
Map counts use listed headquarters. Service areas may extend beyond the state shown.
Region
Select a state to see its organizations. States with no listing are opportunities to add local knowledge.
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Organizations
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Search by water challenge
Filter by drinking water, wastewater, stormwater, reuse, or climate work. Profiles connect each organization to its public record.
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Strengthen the map
Claim an existing profile or add a missing organization. Verified facts and useful contributions improve discovery for everyone.
Open directory
Put your organization on the map.
A directory is useful only when local organizations can be found. Submit a listing or claim an existing profile. A work email helps verify the request.
1Presence is free for every organization type.
2Claims are checked against the organization domain.
3Prominence comes from useful, reviewed contributions.
Claim or add an organization
Every claim is reviewed against the work email domain. Profiles state verifiable facts and follow the contribution standard.