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<br />Akhidime, Eva <br />From:Lock, Joe <br />Sent:Thursday, September 18, 2014 7:18 AM <br />To:Akhidime, Eva <br />Subject:FW: Black Oak Ridge Hydrostudy referral <br />Categories:Red Category <br />Please put this E-mail string into the Hydro file. <br /> <br />Joe <br />Thanks, <br /> <br />From: Cumbie, Dennis <br />Sent: Thursday, September 18, 2014 7:16 AM <br />To: Lock, Joe <br />Subject: RE: Black Oak Ridge Hydrostudy referral <br /> <br />For the entire subdivision, the background Nitrate plus the septic systems loading is not a concern. One well, Lot 25, had <br />Nitrate concentrations that, when added to the loading predictions, would be above the MCL. However, properly <br />constructed wells should theoretically not allow deep and surficial groundwater to mix. So, as a whole subdivision, I see <br />no problem. <br />Dennis <br /> <br /> <br />From: Lock, Joe <br />Sent: Thursday, September 18, 2014 7:09 AM <br />To: Cumbie, Dennis <br />Subject: RE: Black Oak Ridge Hydrostudy referral <br /> <br />What about the background nitrogen and the input of nitrogen from septic systems concerning the entire <br />subdivision? This is really what I was getting at. <br /> <br />Joe <br /> <br />From: Cumbie, Dennis <br />Sent: Thursday, September 18, 2014 7:06 AM <br />To: Lock, Joe <br />Subject: RE: Black Oak Ridge Hydrostudy referral <br /> <br />Joe, <br />The nitrate levels are not of concern. The only actionable result would be the Well #29 Fluoride level which is above EPA <br />Primary MCL. For a regulated system, that would need to be addressed, but I’m not sure what the Health Dept’s policy <br />is for private wells. <br />Dennis <br /> <br /> <br />From: Lock, Joe <br />Sent: Thursday, September 18, 2014 5:58 AM <br />1 <br /> <br />