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Platform
How it worksCapture evidence, coordinate review, and export with sources intact.→Free to tryTry our Phase I enginep1.opef.aiRun a real Phase I ESA workflow on p1 with structured intake and export-ready records.→How we fit inWhere OPEF sits in your permitting and compliance workflow.→PartnersIntegrations with compliance platforms and data providers.→
Solutions
Browse all solutions109 permitting domains across 14 regulatory categories.→12 domainsFederal Environmental ReviewNEPA and agency-specific environmental review workflows across all federal programs.→8 domainsSite Assessment & RemediationEnvironmental site assessments, contamination investigations, and regulatory cleanup frameworks.→9 domainsWater & WetlandsClean Water Act permits, wetland jurisdictional determinations, and water quality programs.→9 domainsSpecies & EcosystemsEndangered species consultation, take permits, biological assessments, and habitat conservation.→7 domainsAir Quality & ClimateClean Air Act permits, GHG accounting, noise analysis, and climate disclosure frameworks.→9 domainsEnergy & InfrastructureFERC licensing, renewable energy siting, pipeline safety, and nuclear facility review.→9 domainsCoastal & MaritimeCoastal zone management, offshore permitting, marine sanctuary protection, and maritime safety.→7 domainsCultural Resources & TribalNHPA Section 106 consultation, tribal government engagement, and historic preservation compliance.→9 domainsHazardous Materials & WasteRCRA permitting, CERCLA cleanup, hazardous waste compliance, and chemical risk management.→9 domainsLand Use & ConservationFederal land permits, conservation programs, and statutory use protections for parks and historic resources.→7 domainsAgriculture & ForestryUSDA conservation compliance, timber management, grazing permits, and invasive species programs.→4 domainsDrinking Water & Public HealthSafe Drinking Water Act compliance, underground injection, source water protection, and environmental justice.→5 domainsState Environmental ReviewState-level environmental review statutes including CEQA, SEPA, and state EIR equivalents.→5 domainsReporting & DisclosureClimate and ESG financial disclosure, GHG reporting, TRI, and sustainability frameworks.→
Resources
All guidesNEPA, ESA, administrative records, AI governance, and permitting workflow.→PolicyWhat the FY2026 NEPA Reform Means for Permitting TeamsRecent legislative changes to NEPA timelines and categorical exclusion authority change how agencies and consulting firms structure review processes.→ComplianceFive Common Mistakes in Section 7 ESA Consultation DocumentationSection 7 consultations are consistently among the most litigated parts of federal permitting. These documentation gaps create avoidable risk.→GuidanceHow to Build an Administrative Record That Holds Up in CourtWhen a NEPA decision is challenged, the judge reviews the administrative record—not the narrative. Disorganized or post-hoc records lose cases even when the underlying analysis was sound.→AI & GovernanceUsing AI in Federal Environmental Review: A Governance FrameworkAs AI enters environmental review workflows, agencies need governance that preserves defensibility while allowing speed gains.→ComplianceASTM E1527-21: What Changed and Why It MattersThe 2021 update introduced meaningful changes to recognized environmental condition definitions. Here is what practitioners need to know.→GuidanceCATEX Documentation: What Agencies Actually Need in the RecordCategorical exclusions are common, but poor documentation is a leading cause of successful legal challenges.→
Company
About OPEFMission, principles, and the team behind the platform.→How we fit inWhere OPEF sits in your permitting and compliance workflow.→PartnersIntegrations with compliance platforms and data providers.→CareersFull-time roles, hiring updates, and how we work as a team.→Environmental Professional NetworkFind permitting projects and connect qualified environmental reviewers.→ContactRequest a demo or ask a question about your program.→
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NETWORKEP / PROJECTS

Environmental Professional Network

Find permitting work.Bring qualified review.

A network for environmental professionals: NEPA analysts, wetland scientists, cultural resource specialists, GIS reviewers, and permitting generalists who want to connect around meaningful review work.

OPEF is building the network layer where review expertise meets project demand, without reducing people to narrow job titles.

Practice areas
12+ disciplines
Engagement
Contract & advisory
Join the networkSee practice areas
Topographic survey pattern representing connected environmental review projects
FLOW3 STEPS

How it works

Profile, discover, connect.

The Environmental Professional Network is not a job board with fixed titles. It is a place to signal what kind of review work you do and find projects that need it.

  1. 01

    PROFILE

    Share your practice

    List disciplines, jurisdictions, and review types you support: NEPA, ESA, wetlands, Phase I, cultural resources, and more.

  2. 02

    DISCOVER

    Get matched to work

    As the network grows, OPEF will surface project needs from developers, consultancies, and program teams that fit your practice areas.

  3. 03

    CONNECT

    Join the work

    Reach project sponsors directly. OPEF keeps the record infrastructure; the network connects qualified people to the work.

PRACTICE12 AREAS

Practice areas

General expertise, not narrow roles.

Members describe what they can review, not what they are hired as. One person may span multiple practice areas across a project lifecycle.

Environmental review workspace with mapped constraints, linked evidence, and structured project records
  • NEPA reviewCATEX, EA, EIS, alternatives
  • ESA consultationBiological assessments, Section 7
  • Wetlands & watersDelineation, 404/401 coordination
  • Phase I ESAASTM E1527 site assessment
  • Cultural resourcesSection 106, tribal consultation
  • GIS & constraintsLayers, screening, mapping
  • Administrative recordEvidence indexing, export prep
  • Agency coordinationComments, design changes, meetings
  • Mitigation trackingCommitments, monitoring, compliance
  • Air & climateGHG, conformity, emissions review
  • Permit integrationMulti-agency package assembly
  • Generalist reviewCross-program permitting support
MEMBERS3 PATHS

Who it's for

Environmental professionals who work on review, not just in it.

01

Independent specialists

NEPA analysts, wetland scientists, and cultural resource reviewers who want project-based work without a single employer label.

02

Consultancy bench talent

Experienced reviewers available for surge support, specialist review, and record-intensive phases of active programs.

03

Program generalists

Permitting professionals who coordinate across disciplines and can step into fragmented review work when projects need a steady hand.

Join the network

Put your review expertise where projects need it.

Tell us your practice areas, availability, and the kinds of permitting work you want to take on. We will reach out as the network opens up.

Join the Environmental Professional Network
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