Amend CSHB 4146 (house committee report, page 3, between lines 8-9) by adding the following appropriately numbered subdivision and renumbering subsequent subdivisions accordingly:
(____) a new or amended permit to a public or private entity that authorizes a direct discharge of waste, effluent, or pollutants that:
(A)  at a minimum, achieves the following level of effluent treatment:
(i)  five milligrams per liter of biochemical oxygen demand, based on a 30-day average;
(ii)  five milligrams per liter of total suspended solids, based on a 30-day average;
(iii)  two milligrams per liter of ammonia nitrogen, based on a 30-day average;
(iv)  0.5 milligram per liter of phosphorus, based on a 30-day average; and
(B)  meets more stringent levels of effluent treatment determined by the commission as necessary to protect receiving water quality on a case-by-case basis;