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RULE 4 PERFORMANCE STANDARDS <br />4.05.13 Surface and Groundwater Monitoring <br />The proposed monitoring program will replace the existing monitoring program in its entirety. <br />This section replaces Section 4.05.13 of Volume 1. Colowyo proposes monitoring the following <br />sites: <br />Sedimentation Ponds -The proposed surface water monitoring plan includes monitoring <br />required under the NPDES Permit Number CO-0045161 issued by the Colorado Department <br />of Public Health and Environment. Colowyo will measure the quantity and quality of any <br />discharges from the permit area in compliance with the NPDES Permit in accordance with <br />permit requirements. Please refer to Colowyo's discharge permit for a list of monitored <br />parameters. <br />Colowyo will report the discharge in accordance with the Clean Water Act of 1977 under the <br />NPDES Permit on a quarterly basis; therefore, Colowyo will plan to use the NPDES report <br />for filing with the Division. All monitoring data is submitted in an annual report. Annual <br />Hydrologic Reports for the period of January 15L through December 315` will be submitted by <br />April 1S1 of the following year. <br />At various times, due to unforeseen circumstances, Colowyo will obtain and discharge water <br />under a CDPS minimal discharge permit. In the event that water is discharged under a <br />minimal discharge permit, Colowyo will report the discharge in the corresponding Annual <br />Hydrologic Report. <br />• Surface Water -Six surface water sites will be monitored to some degree. These points include <br />five locations along Good Spring Creek and one location along Taylor Creek. <br />Monitoring Monitoring Monitoring Monthly Parameters Quarterly Parameters <br />~_ <br /> <br />1 e <br />Surface LVCiI L.VU <br />Lower Taylor r.a, u...,.. <br />Monthly/ <br />Flow from Parshall <br />Flow from Parshall Flume. <br />Water Creek (LTC)' Quarterly Flume. See List Below See List Below <br /> Flow Only taken from Flow Only taken from <br /> Lower West Parshall Flume. Volume Parshall Flume. Volume <br />Surface Fork Good Monthly/ added to EFGSC added to EFGSC <br />Water Spring Creek Quarterly measurement to a 1 to measurement to apply to <br /> (LWFGSC)Z actual flow for NUGSC. actual flow for NUGSC. <br /> Flow Only taken from Flow Only taken from <br /> East Fork Parshall Flume. Volume Parshall Flume. Volume <br />Surface Good Spring Monthly/ added to LWFGSC added to LWFGSC <br />Water Creek Quarterly measurement to a 1 to measurement to apply to <br /> (EFGSC)3 actual flow for NUGSC. actual flow for NUGSC. <br /> Upper West <br />Surface Fork Good Monthly/ Flow from Parshall Flow from Parshall Flume. <br />Water Spring Creek Quarterly 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 Monthly/ estimated by combining estimated by combining <br />Water Creek Quarterly measurements taken from measurements taken from <br /> NUGSC)5 LWFGSC &EFGSC. LWFGSC &EFGSC. <br />Surface Lower Good Monthly/ Flow from Parshall Flow from Parshall <br />Water Spring Cr bek Quarterly Flume. See List Below F1ume.See List Below <br /> (LGSC) <br />South Taylor/Lower Wilson -Rule 4, Page 17 <br />Revision Date: 6/28/07 <br />Revision No.: MR-88 <br />