General permits

The general permit may be written to regulate one or more categories or subcategories of discharges when they are either:

(i) Storm water point sources; or
(ii) Point sources other than storm water point sources, or “treatment works treating domestic sewage”, if they all:

“(A) Involve the same or substantially similar types of operations;
(B) Discharge the same types of wastes or engage in the same types of sludge use or disposal practices;
(C) Require the same effluent limitations, operating conditions, or standards for sewage sludge use or disposal;
(D) Require the same or similar monitoring; and
(E) In the opinion of the Director, are more appropriately controlled under a general permit than under individual permits.”

(40CFR122.28(a)(2))

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