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PART I <br /> Page 8 <br /> Permit NO.: COG-070000 ' <br /> C. REPORTING REQUIREMENTS (Continued) <br /> 6. Records Retention <br /> All records and information resulting from the monitoring activities required by this permit including all <br /> analyses performed and calibration and maintenance of instrumentation and recordings from continuous <br /> monitoring instrumentation shall be retained for a minimum of three (3) years, or longer, if requested by the <br /> Regional Administrator or the Water Quality Control Division. <br /> 7. Additional Monitoring by Permittee <br /> A. If the permittee monitors any pollutant at the location(s) designated herein more frequently than required <br /> by this permit, using approved analytical methods as specified above, the results of such monitoring shall <br /> be included in the calculation and reporting of the values required in the Discharge Monitoring Report <br /> Form (EPA No. 3320-1), or other forms as required by the Division. Such increased frequency shall also <br /> be indicated. <br /> B. The Division reserves the right to request further monitoring of any pollutants outside the requirements of <br /> this permit, as described in Part 1.C.7. of this permit, to ensure that the conditions of the general permit <br /> are met and/or to ensure that the antidegradation presumption is overcome by site specific reasons <br /> specified in Section 3.1.8(1)(c)()(ii)(iii)of The Basic Standards and Methodologies for Surface Water. If <br /> any of the additional monitoring indicates pollutants of concern that may impact the receiving waters, or <br /> need limitations set, then the Division shall determine that an individual pernut is required and reserves <br /> the right to require that the discharges cease until an individual permit is in effect. Table A describes the <br /> additional monitoring that will be required for this facility. Additional monitoring shall be included with <br /> the Discharge Monitoring Report (DMR) and shall be subject to the permit's monitoring and reporting <br /> requirements. <br /> C. Total phosphorus (as P) monitoring is required for facilities which discharge into the following drainage <br /> basins: Cherry Creek basin, Chatfield Reservoir upstream of the USGS gage at Waterton and on Plum <br /> Creek, Dillon Reservoir basin (i.e. Ten Mile Creek, Snake River, Blue River, all tributaries to the Dillon <br /> Reservoir), and Bear Creek basin. The Division also reserves the right to include phosphorus monitoring <br /> for any receiving waters that may later enter into phosphorus monitoring requirements. If phosphorus <br /> monitoring is a requirement of the permit than it shall be included within the terms and conditions of the <br /> individual Certification Rationale of the permit. Additional monitoring for phosphorus shall be included <br /> on the Discharge Monitoring Report (DMR)and shall be subject to the permit's monitoring and reporting <br /> requirements. If phosphorus monitoring is required the measurement frequency shall be on a quarterly <br /> basis, taken as a grab sample. <br />