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PART Page 3 of 26 Permit No.:C00000003 PART I A. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS 1. Permitted Feature(s) Beginning no later than the effective date of this permit and lasting through the expiration date,the permittee is authorized to discharge from,and self monitoring samples taken in accordance with the monitoring requirements shall be obtained from permitted feature(s): 001 A,after lined retention pond,which discharges to Sneffels Creek,37'58.535'N, 107'44.965' W 002A,after retention pond,and prior to discharging to Sneffels Creek,37.975293'N,-107.764862'W The location(s)provided above will serve as the point(s)of compliance for this permit and are appropriate as they are located after all treatment and prior to discharge to the receiving water. Any discharge to the waters of the State from a point source other than specifically authorized by this permit is prohibited. In accordance with the Water Quality Control Commission Regulations for Effluent Limitations,Section 62.4,and the Colorado Discharge Permit System Regulations,Section 61.8(2),5 C.C.R. 1002-61,the permitted discharge shall not contain effluent parameter concentrations which exceed the limitations specified below or exceed the specified flow limitation. 2. Limitations.Monitoring Frequencies and Sample Types In order to obtain an indication of the probable compliance or noncompliance with the effluent limitations specified in Part I.A,the permittee shall monitor all effluent parameters at the frequencies and sample types specified below. Such monitoring will begin immediately and last for the life of the permit unless otherwise noted. The results of such monitoring shall be reported on the Discharge Monitoring Report form(See Part I.D.) Self-monitoring sampling by the permittee for compliance with the effluent monitoring requirements specified in this permit, shall be performed at the location(s)noted in Part I.A.I above. If the permittee,using an approved analytical method, monitors any parameter more frequently than required by this permit,then the results of such monitoring shall be included in the calculation and reporting of the values required in the Discharge Monitoring Report Form(DMRs)or other forms as required by the Division. Such increased frequency shall also be indicated. Oil and Grease Monitoring: For every permitted feature with oil and grease monitoring,in the event an oil sheen or floating oil is observed,a grab sample shall be collected,analyzed,and reported on the appropriate DMR. In addition,corrective action shall be taken immediately to mitigate the discharge of oil and grease. A description of the corrective action taken should be included with the DMR.