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0 cOLORADO <br /> Division of Reclamation, <br /> ' Mining and Safety <br /> Department of Natural Resources <br /> 1313 Sherman St. Room 215 <br /> Denver, CO 80203 <br /> August 19, 2020 <br /> Kelly Hodge <br /> Broken Arrow Investments LLC <br /> 801 8th St., Ste. 130 <br /> Greeley, CO 80631-3903 <br /> Re: Derr Pit,Permit M-2008-017,Notice of Receipt of July/August 2020 Water Level Monitoring Data, <br /> and Notice of Adequacy Issues for Water Level Reporting <br /> Mr. Hodge: <br /> On August 14, 2020,DRMS received email submittals for the required groundwater level monitoring data for <br /> July and August. These emails contained a variety of attachments including letters to off-site well owners, and <br /> raw data tables for on and off-site water level monitoring. No cover letter or discussion of the data submitted <br /> was provided. DRMS notes that data was not provided for two off site locations identified in TR05 for monthly <br /> water level monitoring, specifically,the Hofner#2, and the Bliss irrigation wells were not measured in July or <br /> August. Please describe/detail the attempt(s) made to collect data from these locations, and provide a rationale <br /> for why these locations were not measured as required by the approved water level monitoring plan as approved <br /> in TR05 no later than August 30, 2020. A discussion of the trigger levels for off-site wells, specifically, how <br /> they were obtained/derived and how they address the agreements with the well owners,would also be useful. <br /> Continued failures to monitor all locations as approved in TR05 may result in enforcement by DRMS for failing <br /> to comply with the approved monitoring plan. Therefore, you may wish to modify the existing water monitoring <br /> plan through the technical revision process to account for potential deviations from the previously approved <br /> plan, or to provide additional specific information as necessary. <br /> All future groundwater level monitoring submittals should provide at least the following information: <br /> 1)Map of all onsite and offsite monitoring locations as approved in the water monitoring plan <br /> 2)Discussion of data collected including any observed trends, if trigger levels have been exceeded or not, and <br /> any additional relevant site information such as site dewatering pumping dates and rates which may assist in <br /> data interpretation <br /> 3)Any deviations from the approved plan and why, including attempts to resolve monitoring issues <br /> OF LOCO <br /> 1313 Sherman St. Room 215 Denver,CO 80203 P(303)866-3567 F(303)832-8106 https://colorado.gov/drms O <br /> Jared Polis, Governor I Dan Gibbs, Executive Director I Virginia Brannon, Director <br /> *�876 4L <br />