
Federal Representation for Agencies and Coalitions
ENS represents public drinking water and wastewater agencies, municipalities, cities, and regional coalitions before Congress and federal agencies, and partners with a growing set of companies in adjacent policy areas.
Deep Focus on the Public Agency and Natural Resources Space
ENS has focused on the public agency and natural resources policy space since 1986. That focus means every client benefits from deep institutional knowledge of federal policy, the agencies that regulate it, the committees that fund it, and the stakeholders that shape it. Our attention is never divided across unrelated industries.
The Public-Sector Organizations We Represent
ENS's core is the public water sector, with four primary client types:
Corporate Water-Sector and Adjacent-Policy Partners
ENS is deliberately expanding to serve water and energy technology companies, consulting engineering firms, and organizations in adjacent policy spaces, including the water-energy nexus, cybersecurity, disaster mitigation, and PFAS.
These partners need an advocate fluent in both the public-utility environment and the commercial dynamics of a growth-stage company, with strategic counsel rather than transactional lobbying. That is exactly the chapter ENS is moving into.

New Client Categories Alongside Our Core
Adjacent client categories ENS now serves alongside its public-sector core:
Who ENS Represents, Explained Plainly
Does ENS represent both public and private sector interests
Yes. ENS represents both with a sensativity of avoiding conflicts.
Does ENS work cross geographic regions?
Yes. What began as a West Coast practice now represents clients nationally — agencies, municipalities, and coalitions across the country whose priorities depend on federal policy and funding decisions.
Can a regional coalition retain ENS collectively?
Yes. ENS has successfully represented regional coalitions, aligning diverse member priorities behind a shared federal agenda so coordinated positions carry more weight than any single entity acting alone.
Does ENS work with water and energy technology companies?
Yes — this is a deliberate growth focus. ENS partners with water-technology firms and organizations in adjacent policy spaces such as the water-energy nexus, cybersecurity, and disaster mitigation.