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PERMIT#: M-1983-090 <br /> INSPECTOR'S INITIALS: ECS <br /> INSPECTION DATE: March 15,2017 <br /> OBSERVATIONS <br /> This was a routine monitoring inspection of the LaPoudre Sand & Gravel Pit, a 246.2 acre 112c sand and gravel <br /> operation permitted by Bestway Concrete and Aggregate. The inspection was conducted by Eric Scott of <br /> DRMS. DRMS travelled to the site with site representative Mark Johnson at approximately 1400. The site <br /> identification sign was observed near the site entrance located at the southwest corner of Weld County roads <br /> 392 and Weld County Road 13. Permit markers were missing during this inspection. This has been noted as a <br /> problem on the first page of this inspection report and will need to be resolved by the corrective action due <br /> date shown. <br /> During the pre-inspection records review, it was noted that the original northern permit boundary established <br /> and approved by DRMS in 1983 does not actually correlate to the north property boundary as was previously <br /> believed by the permittee. At some point in the past, (prior to 1999) the approved northern permit boundary <br /> was disregarded, and the site was operated as if the permit boundary and the north property boundary were <br /> one and the same. This misconception about the location of the northern permit boundary continued through <br /> the permitting process for the 112c North LaPoudre Sand and Gravel permit (M2000-144), which was <br /> presumably intended to adjoin the existing LaPoudre permit along its northern boundary. The two permits <br /> have since been operated as a single entity, however, the historic error in the location of the north permit <br /> boundary of the LaPoudre Sand and Gravel permit has resulted in approximately 28 acres of affected but <br /> unpermitted area between the approved LaPoudre Sand and Gravel permit and the "adjacent" North <br /> LaPoudre permit (see attached map). The operator will be required to resurvey the proper permitted area <br /> and replace the permit boundary markers to the correct locations by the corrective action date. <br /> DRMS will send the permittee a Reason To Believe a Violation Exists (RTB) letter for the observed out-of- <br /> bounds impacts, under separate cover. Pursuant to C.R.S. § 34-32.5-123(2) an operator who mines <br /> substantial acreage beyond the approved permit boundary may be found to be operating without a permit. <br /> Because the unpermitted affected area exceeds 2 acres, DRMS will pursue this as a possible violation for <br /> mining without a permit. <br /> The site was observed to be active during the inspection.The excavation in the northwest corner of the permit <br /> and south of the concrete plant has been dewatered and is currently being mined. The eastern two reservoirs <br /> have been lined and contain water at this time. The slurry wall surrounding the water bodies in the north- <br /> center and north-east area of the site has been approved by the SEO's office. No activity has taken place <br /> south of the LaPoudre River, which runs through the middle of the site, for an extended period of time. <br /> Although the existing disturbance south of the river is minimal, two unlined water bodies will need to be <br /> addressed either through backfill, installation of an SEO approved liner, or a permanent augmentation plan <br /> before the permit can be released. No other issues were noted during this inspection. <br /> Page 2 of 3 <br />