§ 6.205 Environmental assessments.

(a) The Responsible Official must prepare an environmental assessment (EA) (see 40 CFR 1508.9) for a proposed action that is expected to result in environmental impacts and the significance of the impacts is not known. An EA is not required if the proposed action is categorically excluded, or if the Responsible Official has decided to prepare an EIS. (See 40 CFR 1501.3.)

(b) Types of actions that normally require the preparation of an EA include:

(1) The award of wastewater treatment construction grants under Title II of the Clean Water Act;

(2) EPA's issuance of new source NPDES permits under section 402 of the Clean Water Act;