2015-12-22_PERMIT FILE - C1984065

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Appendix 4.7-8 Part II Page 20 of 31 Permit No. C00048972 iv) The Division determines that good cause exists to modify a permit condition because of events over which the permittee has no control and for which there is no reasonable available remedy. v) Where the Division has completed, and EPA approved, a total maximum daily load (TMDL) which includes a wasteload allocation for the discharge(s) authorized under the permit. vi) The permittee has received a variance. vii) When required to incorporate applicable toxic effluent limitation or standards adopted pursuant to S 307(a) of the Federal act. viii)When required by the reopener conditions in the permit. ix) As necessary under 40 C.F.R. 403.8(e), to include a compliance schedule for the development of a pretreatment program. x) When the level of discharge of any pollutant which is not limited in the permit exceeds the level which can be achieved by the technology-based treatment requirements appropriate to the permittee under Section 61.8(2) of the Colorado Discharge Permit System Regulations. xi) To establish a pollutant notification level required in Section 61.8(5) of the Colorado Discharge Permit System Regulations. xii) To correct technical mistakes, such as errors in calculation, or mistaken interpretations of law made in determining permit conditions, to the extent allowed in Section 61.10 of the Colorado State Discharge Permit System Regulations. xiii)When required by a permit condition to incorporate a land application plan for beneficial reuse of sewage sludge, to revise an existing land application plan, or to add a land application plan. xiv) When another State whose waters may be affected by the discharge has not been notified. xv) For any other cause provided in Section 61.10 of the Colorado Discharge Permit System Regulations. c. At the request of a permittee, the Division may modify or terminate a permit and issue a new permit if the following conditions are met: i) The Regional Administrator has been notified of the proposed modification or termination and does not object in writing within thirty (30) calendar days of receipt of notification, ii) The Division finds that the permittee has shown reasonable grounds consistent with the Federal and State statutes and regulations for such modifications or termination; iii) Requirements of Section 61.15 of the Colorado Discharge Permit System Regulations have been met, and iv) Requirements of public notice have been met. d. For permit modification, termination, or revocation and reissuance, the Division may request additional information from the permittee. In the case of a modified permit, the Division may require the submission of an updated application. In the case of revoked and reissued permit, the Division shall require the submission of a new application. e. Permit modification (except for minor modifications), termination or revocation and reissuance actions shall be subject to the requirements of Sections 61.5(2), 61.5(3), 61.6, 61.7 and 61.15 of the Colorado Discharge Permit System Regulations. The Division shall act on a permit modification request, other than minor modification requests, within 180 calendar days of receipt thereof. Except for minor modifications, the terms of the existing permit govern and are enforceable until the newly issued permit is formally modified or revoked and reissued following public notice.