DRMS Comment Objection Intake 9/1/2021 3:30:47 PM

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Your Phone Number* Used only to follow up. 3038183084 Extension Alternate Phone Number Used only to follow up. Alternate Phone Extension Connection to Operation Select all that apply Land Owner of affected land Structure Owner within 200' of affected land Mineral Owner ✓ Nearby Resident Adjacent Land Owner ✓ Concerned Citizen Government Agency Other DESCRIPTION OF COMMENT OR OBJECTION (Please be as specific as possioiE, Comment/Objection Narrative I live within 1.5 miles of the Zephyr Gold USA Ltd.proposed Dawson Gold Mine in Fremont County, CO. I strongly oppose the Designated Mining Regular Operation Reclamation Permit Application(permit no. M2021046). Water pollution and depletion Water in Grape Creek and the Arkansas River provides the Canon City water supply,sustains fish and other wildlife,allows for a healthy recreation industry which provides vital and sustainable dollars to Fremont County, and also provides ditchwater to Canon City citizens. Comments submitted to the DRMS by others present strong objections regarding water risks. Following are two which have not received much press. The application states"the stormwater detention pond should be sized to temporarily store a minimum of 10% of the 100-year flood flow to achieve a reduction of 10%of the 100-year flood flow through the structure."Their 100-year precipitation event for the property area is estimated to be 4.75 inches over a 24-hour period. (2.7.5.1) In today's world,this is grossly underestimated. 100-year events are now taking place with much greater frequency. •On July 23,2018,only 1.5 miles east of the proposed gold mine, Dawson Ranch received 5"of rain in an hour with 90+mph winds(at which point the equipment failed), resulting in much damage to homes and major erosion. Most of the 600 homes required new roofs. Had that event occurred 1.5 miles farther west, it would have easily exceeded the 100-year event stated in the application. •On August 8,2021,Omaha, NE and surrounding communities received 4-6"of rain/hour. •On August 22,2021,Waverly,TN received 17"of rain in less than 24 hours. •On June 26 and 27,2021,with repeat events in July,Grizzly Creek east of Glenwood Springs,CO received 0.5-1.0 inches of rain/hour,resulting in an extended closure of 1-70. Clearly 1+inches of rain/hour is becoming a more and more common event.That amount results in far more catastrophic results than 4.75 inches/24 hours.A extended rain event of 1+inches/hour over the proposed gold mine would cause drainage directly into Grape Creek and the Arkansas River resulting in water pollution, causing contamination for future generations and extensive,expensive cleanup.A gold mine 1,000 feet above important an water source requires planning and structures in place to withstand a 500-year event,at a minimum. Prince Charles quotes from the United Nations Intergovernmental Panel on Climate Change report:"Unless we