Illicit Discharge Detection and Elimination Program Prepared for: Doylestown Township and Citizens Doylestown Township, Pennsylvania February 17, 2015.

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Presentation transcript:

Illicit Discharge Detection and Elimination Program Prepared for: Doylestown Township and Citizens Doylestown Township, Pennsylvania February 17, 2015

Previous Presentations Previous Presentations Township Website Richard Burns, P.G. Russell Mehalick

Agenda Current Status IDD&E 2014 Inspections & Sampling 2015 Takeaways Q&A

Current Status IDD&E Year 11 of the Program PADEP (Feb 2014) –PADEP remains pleased at how Doylestown Township manages their IDDE program Application submitted to extend NPDES Permit to March 2018

IDD&E - Dry Weather Inspection

AREA2AREA2 AREA1AREA1 AREA3AREA3

AREA2AREA2 AREA3AREA3 AREA1AREA1

IDD&E Inspections, Sampling & Results Focused Inspections & Sampling Areas 1, 2,3 Historical “Hot Spot” Sampling Sample Analysis –Fecal coliform at all locations Area 1 = 9 Area 2 = 2 Area 3 = 8 –Detergents at one location (Area 3) Data Review Completed Detailed Mapping of All Areas –EPA requirement to map all outfalls, catch basins, etc. –Identify receiving waters / surrounding municipalities –Prepare detailed CAD map Annual Report (2013) to PADEP – June 2014

Detailed Mapping AREA2AREA2

IDD&E Sampling Area 1 9 samples at 9 outfalls 4 samples FC > 300 col/100 ml Maximum FC = >6,000 col/100 ml

IDD&E Sampling Area 2 2 samples at 2 outfalls 1 sample FC > 300 col/100 ml Maximum FC = 670 col/100 ml

IDD&E Sampling Area 3 8 samples at 8 outfalls 4 samples FC > 300 col/100 ml Maximum FC = > 6,910 col/100 ml 1 additional sample analyzed for detergents – Results positive

IDD&E Sampling Area 1 FC levels showed some increased results compared to 2013 (Max = 1,000). 7 of the 9 samples >200. Max > 6,000. Area 2 Only 2 samples collected. One sample was 7 and one was elevated at 670. Generally same result at Max = 670. Area 3 FC levels are elevated in several areas. Max > 6,910.

Going Forward Complete inspections/hot-spot sampling throughout township ~25 locations. Additional source investigations: –Dye Tracing – Submit letters to residents as needed. –TV inspections of catch basins, as needed. Source mitigation, if identified PADEP Permit changes?

Going Forward Possible DNA Testing

Takeaways Township in Compliance Continue Inspections/Sampling Mapping effort is complete Continue to perform sampling where illicit discharges may be occurring Septic system maintenance Public participation Pollution prevention & good housekeeping Goal is to Improve Water Quality!!!

For more information contact Rich Burns Russ Mehalick 410 Eagleview Blvd., Suite 110 Exton, PA