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Responding to CEQA/NEPA Comments: Expert Tips

December 10, 202510 min read

The High Stakes of Environmental Comments

CEQA/NEPA comment responses can:

  • Delay projects by years
  • Trigger litigation
  • Require additional studies
  • Shape mitigation requirements
  • Getting responses right is critical.

    Types of Comments

    Agency Comments

  • Resource agencies (Fish & Wildlife, Army Corps)
  • Air quality districts
  • Regional water boards
  • Cal Fire / local fire
  • Public Comments

  • Neighboring property owners
  • Environmental groups
  • Community organizations
  • Individuals
  • Response Best Practices

    1. Take Every Comment Seriously

    Even seemingly minor comments deserve thorough responses.

    2. Stay Objective

    Avoid defensive or dismissive language.

    3. Support with Evidence

    Reference studies, data, and expert analysis.

    4. Acknowledge Uncertainty

    If something is unknown, say so and explain how you'll address it.

    Organization Matters

    For large EIR/EIS projects:

  • Number all comments consistently
  • Group by agency/commenter
  • Create a master response matrix
  • Cross-reference related responses
  • Technology Helps

    PlanReview's environmental vertical helps:

  • Parse agency comment letters automatically
  • Track deadlines across multiple agencies
  • Route comments to appropriate specialists
  • Generate response matrices
  • [Try it free](/auth/signup) for your next environmental project.

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