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<br /> <br />This plan remains essentially unchanged except for the following <br />changes: <br />1. 16900 North Wel,l> - -Streeter Fi11~1 - During the summer of <br />1984, the shallow 6900 north well collapsed. It was <br />later determined that since this well monitored only a <br />small perched zone within the fill, reestablishment of <br />the well would not be necessary. Refer to the 1984 <br />Annual Report for additional details. <br />2. ~f6900 South We1T. - `6treeter Fillj - It was noted on March <br />21, 1986 that this piezometer well had also collapsed. <br />This well was~reestablished~in the fall of 1986. For <br />further details concerning this well, refer to the 1986 <br />Annual Report. <br />3. ~UT~per Good Spr_in4 -Creek) - As part of the Gulch A Pond <br />revision the Upper Good Spring Creek surface water <br />sampling site wash-relocated; A Parshall Flume was <br />constructed in the stream channel above the Gulch A Pond <br />outlet, but below the confluence of Elkhorn Creek. For <br />~, further details as to the location of this sampling site, <br />refer to Map 37. <br />These commitments have satisfied the requirements of Stipulation 1 <br />in the Findings document. <br />The proposed surface water monitoring plan includes monitoring <br />required under the NPDES Permit Facility Number COG-850017 issued <br />by the Colorado Department of Health. Colowyo will measure the <br />quantity and quality of any discharges from the permit area in <br />compliance with the NPDES Permit. <br />Colowyo will report the discharge in accordance with the Clean <br />Water Act of 1977 under the NPDES Permit on a quarterly basis; <br />therefore, Colowyo will plan to use the NPDES report for filing <br />with the Division. All monitoring data is submitted in an annual <br />report. <br />4.05-15 <br />