. . 'nsy va . EPARTMENT OF ENVIRONMENTAL PROTECTION November 19, 2015 Mr?- 'lol'th Hollow Road Coudersport. PA 169l 5 Re: Water Supply Request for Investigation- 58 Pa. CS 32 8 Determination - Further Investigation Needed Condersport Borough. Potter County Dear Mr.- The Department began its investigation ot'your water supply well located at the above - address ("Water Supply") in response to a complaint received on October 05, 20l5 regard concerns with the quality ofyour water supply. Based on information obtained to date, fit) lift investigation is necessary by the Department to determine whether the Water Supply hm'w affected as a result oFoil and gas activities including but not limited to the drilling, altorafl operation ofan oil or gas well and. ifat'fectcd, to determine the pelson or entity respons On October 7. ZOIS. the Department collected samples from your water supply. The 5 mm - were submitted to the Department's laboratory in Harrisburg for analysis Please see the' enclosed tables for the results ofsamples collected from your water supply by the Dep with comparison to applicable standards. as well as documents to assist you with interp I sample results. The sample results showed turbidity exceeded its primary maximum contaminant level of NTU at a concentration of3.52 NTUs. However. this standard is only applicablito I, unfiltered surface water sources. lron was at the secondary maximum contaminant (SMCL) ofOJ mg/L with a concentration of0t3 trig/L. Secondary MCLs reflect I ofthe water (Le, taster smellt etc.). Samples for volatile and semi-volatile organic analysis for drinking water (V )were also collected by the Department to identify put tial sources e- thosc not associated with gas-drilling related acti yr No Volatile Organic compounds were detected in the ?dditionally. several Tentatively Identified Compounds (TICS) were-ls 15m the water supply as well as the field blank. The presehce of a solute or con?rmed by the laboratory, but rather, indicates a spike Ofa i a the instrument was not calibrated. Upon completion, we will notify you of the results of the investigation and determination by the Department regarding your Water Supply. Please contact (570) 327 0569 ifyou have any questions :u-a Department?s continuing investigation of your Water Supply. Sincerely, Matthew Nuss Water Quality Specialist Supervisor District Oil and Gas Operations Enclosures: Fact Sheet Sample Results Table Sample Results Christopher Yeakel David Engle Sharon Steinbacher Complaint File #:315582