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North County Recycling Center and Sanitary Landfill <br />Storm Water Pollution Prevention Plan <br /> <br /> <br /> <br />Page 23 <br />Table 6.1.7.B – E. Coli Source Testing Results <br /> <br />Certainly, runoff from the recycling center and <br />maintenance equipment has the potential to have <br />E.Coli. However, some of the significant non- <br />industrial sources of E.coli have been identified and <br />include cattle grazing in the north non-industrial <br />(mitigation) areas of the facility, sheep grazing for <br />vegetation control on the capped landfills, numerous <br />water fowl that make their residence within the ponds <br />at the landfill, and native mammals that include <br />rodents, coyotes, raccoons, skunks, and opossums. <br />South of the service center there is a septic leach <br />field; however, being underground and it is not likely <br />a source or significant source of E.Coli. As reflected in <br />the pollutant source sampling and confirmed by visual <br />observation, the adjacent and nearby wild and domesticated animals are the likely the sources <br />for the presence of E.Coli. <br /> <br /> <br /> <br />Sample # Sample Location Description E. Coli (MPN/100ml) <br />1 North: No industrial activity, no contact with runoff from <br />the landfill, sample collected from standing water in the <br />pastureland for cattle and wildlife <br /><100 <br />2 North West: Sample collected from Paddy Creek down <br />gradient of SW-3 and SW-4 <br />750 <br />3 North East: No industrial activity, no contact with <br />runoff from the landfill, sample collected from standing <br />water in the pastureland for cattle and wildlife <br />155,310 <br />4 Big Pond: Sample collected from the Interim <br />Sedimentation Basin, upgradient of SW-3 <br />850 <br />5 Small Pond: Sample collected from the Small Pond <br />which receives runoff from the Recycling Center and <br />Maintenance Building. <br />2,030 <br />6 Entry into Big Pond: Sample collected from water <br />flowing into the Interim Sedimentation Basin. <br />26,130 <br />7 Barajas Pond: Sample collected from standing water in <br />the green waste area pond. <br />34,480 <br />8 Southwest: Sample collected from water discharging <br />into the drainage swale from the capped landfill drainage <br />swales. <br />520 <br />Figure 14 – North non-industrial mitigation area with numerous cow feces on the ground