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RULE 4 PERFORMANCE STANDARDS <br />C, <br />• <br />0 <br />4.05.13 Surface and Groundwater Monitoring <br />The proposed monitoring program will replace the existing monitoring program in its entirety. This <br />section replaces Section 4.05.13 of Volume 1. Colowyo proposes monitoring the following sites: <br />Sedimentation Ponds - The proposed surface water monitoring plan includes monitoring required <br />under the NPDES Permit Number CO-0045161 issued by the Colorado Department of Public Health <br />and Environment. Colowyo will measure the quantity and quality of any discharges from the permit <br />area in compliance with the NPDES Permit in accordance with permit requirements. Please refer to <br />Colowyo's discharge permit for a list of monitored parameters. <br />Colowyo will report the discharge in accordance with the Clean Water Act of 1977 under the NPDES <br />Permit on a quarterly basis; therefore, Colowyo will plan to use the NPDES report for filing with the <br />Division. All surface water and shallow ground water monitoring data is submitted in an annual <br />report. Annual Hydrologic Reports for the period of January 1st through December 31" will be <br />submitted by April ls' of the following year. <br />At various times, due to unforeseen circumstances, Colowyo will obtain and discharge water under a <br />CDPS minimal discharge permit. In the event that water is discharged under a minimal discharge <br />permit, Colowyo will report the discharge in the corresponding Annual Hydrologic Report. <br />Surface Water - Six surface water sites will be monitored to some degree. These points include five <br />locations along Good Spring Creek and one location along Taylor Creek. <br />Monitoring Monitoring Monitoring Quarterly Field Quarterly Laboratory <br />Type Location Frequency Parameters Parameters <br />Surface Lower Taylor <br />' <br />Quarterly Flow from Parshall Flow from Parshall Flume. <br />Water Creek (LTC) Flume. See List Below See List Below <br /> Lower West Flow from Parshall Flow from Parshall Flume. <br />Surface Fork Good Flume. See List Below. See List Below. Volume <br />Water Spring Creek Quarterly Volume added to EFGSC added to EFGSC <br /> (LWFGSC)z measurement to apply to measurement to apply to <br /> actual flow for NUGSC. actual flow for NUGSC. <br /> Flow from Parshall Flow from Parshall Flume <br /> <br />East Fork <br />Flume. See List Below. . <br /> <br />See List Below <br />Volume <br />Surface Good Spring Quarterly Volume added to . <br />added to LWFGSC <br />Water Creek <br />' LWFGSC measurement measurement apply to <br /> (EFGSC) to apply to actual flow for <br /> NUGSC. actual flow for r NUGSC. <br /> Upper West <br />Surface Fork Good Quarterly Flow from Parshall Flow from Parshall Flume. <br />Water Spring Creek Flume. See List Below See List Below <br /> UWFGSC)4 <br /> New Upper See List Below. Flow See List Below. Flow <br />Surface Good Spring Quarterly estimated by combining estimated by combining <br />Water Creek measurements taken from measurements taken from <br /> NUGSC)5 LWFGSC & EFGSC. LWFGSC & EFGSC. <br /> <br />Surface Lower Good <br />Flow from Parshall <br />Flow from Parshall <br />Water Spring <br />Cr 6ek Quarterly Flume. See List Below F1ume.See List Below <br /> LGSC <br />South Taylor/Lower Wilson - Rule 4, Page 17 <br />Revision Date: 3/04/08 <br />Revision No.: TR-70