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Bacteriological Monitoring |
In the summer of 2009, members of the Chartiers Creek Watershed Association collected water samples for bacteriological analysis from two locations in Chartiers Creek. The sampling locations were near the intersection of Route 18 and Old Scales Road in South Franklin Township and near Scotty’s on Route 18 in North Franklin Township. Four different locations were sampled in the summer of 2010—one each on Chartiers Run and Georges Run, and two on Little Chartiers Creek. The sampling and analysis was conducted for the Pennsylvania Department of Environmental Protection (PADEP) Bureau of Water Quality Standards and Facility Regulation. The bacteria monitoring is being completed for Recreational Use Assessment of streams in Pennsylvania. The 2009 findings resulted in the PADEP designating the two sampled segments of Chartiers Creek as “impaired” because all the water samples exceeded the summertime maximum standard for fecal coliform (E. coli) of 200 cfu/100 ml (that is, 200 colony-forming units per 100 milliliter of stream water). Potential sources of E. coli include natural sources (wildlife such as deer and geese), livestock and horses on farms in the watershed, and malfunctioning sewage treatment plants and individual on-lot septic systems. An early report indicates similar results for the 2010 samples. PA DEP will list the impairment decision for the two Chartiers Creek stream segments in their 2010 Integrated Water Quality Monitoring and Assessment Report to the U.S. Environmental Protection Agency (EPA). Based on the impairment decision, a TMDL (Total Daily Maximum Load) for bacteria will be completed for the stream segments in the future. Sources: 2008 Pennsylvania Integrated Water Quality Monitoring and Assessment Report: http://www.depweb.state.pa.us/watersupply/cwp/view.asp?a=1261&q=535678 Code of Federal Regulations Title 40, Part 130 – Water Quality Planning and Management Pennsylvania Code Chapter 93 – Water Quality Standards. http://www.pacode.com/secure/data/025/articleICII_toc.html U.S. EPA. Clean Water Act, Section 303. http://www.epa.gov/waterscience/standards/rules/303.htm (To view the state 303(d) list of impaired waters, go to www.dep.state.pa.us. Use the following keywords: Water, Water Quality, and finally Integrated Water Quality List for 2008.) To view / print the entire Project Summary Report as a PDF document, click here
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