5.9. SR 09-09-2002 - Laserfiche WebLink

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July 16, 2002 Mr. Stephen Rohlf Building and Zoning Administration City of Elk River 13065 Orono Parkway Elk River, MN 55330 RE: July 2002 Groundwater Monitoring Resu Old City Dump, Elk River, Minnesota Dear Mr. Rohlf: Enclosed please find the 2002 annual water southeast of the City of Elk River 17, 2002 by Liesch Associates, Inc. Sample MW-2 and MW-3 within the dump the west and southeast of the dump respectivel site located completed on June monitoring wells MW- 1, residential wells located Please recall that the Kirkei exist. These two wells were se and sewer formerly located south of the dump, no longer the area was re-developed and municipal water A in MW-l, or the flow direction was re 2). Water level Chart 1. 1) were only two VOC detections for this identified at 0.88 parts per billion (ppb) in was ir fled at 2.4 ppb in MW~3. No VOC's were and Hipsag residential wells. Consistent with past data, to be southwesterly in direction towards the Mississippi that the water table at the site rose slightly in 2002 as The remain at above, 1,1,2,1 VOC's detected are below current at ring well locations continue to decline. The concentrations ,~d at the site since sampling initiated in 1989. As indicated MW-2 and 1,1,2-trichloroethylene in MW-3 were the only two event. This data is similar to 2001 data. The concentrations ~partment of Health (MDH) Health Risk Limits (HRLs) for drinking water, and continue to intermittently detected across the site at low levels. No VOC's have been detected in the Vandenberg and Hipsag wells to date.