§6.509 Criteria for initiating Environmental Impact Statements (EIS).

(a) Conditions requiring EISs. (1) The responsible official shall assure that an EIS will be prepared and issued when it is determined that the treatment works or collector system will cause any of the conditions under §6.108 to exist, or when

(2) The treated effluent is being discharged into a body of water where the present classification is too lenient or is being challenged as too low to protect present or recent uses, and the effluent will not be of sufficient quality or quantity to meet the requirements of these uses.

(b) Other conditions. The responsible official shall also consider preparing an EIS if: The project is highly controversial; the project in conjunction with related Federal, State, local or tribal resource projects produces significant cumulative impacts; or if it is determined that the treatment works may violate Federal, State, local or tribal laws or requirements imposed for the protection of the environment.