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Criteria for Determining Whether an EA is Required for a Categorically Excluded Action
We evaluate a categorically excluded activity to determine whether it may meet any of
the exception criteria listed below and in the Departmental Manual (516 DM
2.3.A(3)). An EA must be prepared for any categorically excluded action which may:
 | Have significant adverse effects on public health or safety.
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| Adversely affect such unique geographic characteristics as historic or cultural
resources, park, recreation, or refuge lands, wilderness areas, wild or scenic rivers,
sole or principal drinking water aquifers, prime farmlands, wetlands, floodplains, or
ecologically significant or critical areas, including those listed in the Department's
National Register of Natural Landmarks.
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| Have highly controversial environmental effects.
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| Have highly uncertain and potentially significant environmental effects or involve
unique or unknown environmental risks.
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| Establish a precedent for future action or represent a decision in principle about a
future action with potentially significant environmental effects.
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| Be related to other actions with individually insignificant but cumulatively significant
environmental effects.
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| Adversely affect properties listed or eligible for listing in the National Register of
Historic Places.
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| Adversely affect a species or its critical habitat that is listed or proposed to be
listed on the List of Endangered and Threatened Species.
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| Threaten to violate a Federal, State, local, or tribal law or requirement imposed for
the protection of the environment or which requires compliance with Executive Order 11988
(Floodplain Management), Executive Order 11990 (Protection of Wetlands), or the Fish and
Wildlife Coordination Act. |
For more information, contact James F. Bennett.
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