Ogunquit River Watershed Based Plan

Ogunquit River Watershed Based Plan

CAPE NEDDICK RIVER WATERSHED BASED PLAN February 2014 Cape Neddick River Watershed Based Management Plan February 2014 Table of Contents 1. Executive Summary................................................................................................................. 1 2. Description of the Watershed .................................................................................................. 2 2.1 Location and Physical Characteristics.............................................................................. 2 2.2 Population and Demographics ......................................................................................... 2 2.3 Land Use and Land Cover ................................................................................................ 3 2.4 Potential for Future Development .................................................................................... 5 2.5 Water Resources ............................................................................................................... 6 2.5.1 Community Resources .............................................................................................. 6 2.5.2 Natural Resources ..................................................................................................... 7 2.6 Climate Change ................................................................................................................ 8 3. Baseline and Future Conditions Assessment ........................................................................... 8 3.1 Water Quality Classification ............................................................................................ 8 3.2 Summary of Available Data ........................................................................................... 11 3.2.1 Water Quality Monitoring Past and Present ........................................................... 11 3.2.2 Maine Department of Marine Resources Data ........................................................ 12 3.2.3 Maine Healthy Beaches Data .................................................................................. 13 3.2.4 York Community Development Department .......................................................... 14 3.2.5 Summary of York Community Development Department Water Quality Data..... 16 3.2.6 Summary of York Parks and Recreation Department Bacteria Sampling Data ..... 17 3.2.7 Previous Non-Bacteria Water Quality Data. ........................................................... 18 3.2.8 Other Relevant Reports ........................................................................................... 19 3.2.9 Summer 2012 Field Investigation ........................................................................... 19 3.2.10 Summary of 2012 Bacteria Data ............................................................................. 29 3.2.11 2013 Canine Detection ............................................................................................ 29 3.3 2013 Shoreland Survey – Element A ............................................................................. 30 3.3.1 Watershed Survey in 2013 ...................................................................................... 30 3.3.2 Conclusions from 2013 Watershed Survey............................................................. 31 4. Threats to Water Quality ....................................................................................................... 31 4.1 Nonpoint Sources of Pollution – Element A .................................................................. 31 4.1.1 Stormwater .............................................................................................................. 31 4.1.2 Septic Systems ........................................................................................................ 31 4.1.3 Agriculture .............................................................................................................. 32 4.1.4 Pet waste ................................................................................................................. 32 4.1.5 Wildlife ................................................................................................................... 32 4.2 Point Sources – Element A............................................................................................. 32 5. Linking Pollutant Sources to Water Quality ......................................................................... 33 5.1 Estimation of Pollutant Loads – Element A ................................................................... 33 5.1.1 Inputs to Bacteria Source Load Calculator ............................................................. 33 i FB Environmental Associates Cape Neddick River Watershed Based Management Plan February 2014 5.1.2 Bacteria Modeling Results ...................................................................................... 36 5.2 Identification of Critical Areas – Element C .................................................................. 38 6. Watershed Goals and Objectives ........................................................................................... 42 6.1 Management Objectives ................................................................................................. 42 6.2 Load Reduction Targets – Element B ............................................................................ 42 7. Management Strategies ......................................................................................................... 43 7.1 Existing Management Strategies .................................................................................... 43 7.2 Additional Strategies Needed to Achieve Goals – Element C ....................................... 44 7.3 Load Reduction Estimates – Element B ......................................................................... 46 8. Plan Implementation .............................................................................................................. 48 8.1 Plan Oversight ................................................................................................................ 48 8.2 Action Plan – Elements C, D, and F .............................................................................. 49 8.3 Indicators to Measure Progress – Element G ................................................................. 57 8.4 Educational Component – Element E ............................................................................ 58 8.5 Monitoring Plan – Element I .......................................................................................... 59 8.6 Evaluation Plan – Element H ......................................................................................... 59 9. References ............................................................................................................................. 61 10. Appendix A: 2013 Stormwater Survey Results..................................................................... 63 Table of Figures Figure 2-1: Cape Neddick River Watershed (Frick et al, 2013) ..................................................... 3 Figure 2-2: Land Cover in the Cape Neddick River Watershed ..................................................... 5 Figure 3-1: Bacteria Sampling Locations in the CNR Watershed from 2007 – 2011 ................. 14 Figure 3-2: Cape Neddick River Main Stem Sample Locations Percent Tests Exceeding Maine Water Quality Standard from 2007 to 2011(Frick et al., 2013) .................................................... 15 Figure 3-3: CNR Tributary Sample Locations Percent Tests Exceeding Maine Water Quality Standard from 2007 to 2011(Frick et al., 2013)............................................................................ 16 Figure 3-4: York Parks and Recreation Department Bacteria Sampling Results by Percent Exeedance of theMaine Water Quality Standard 2003 – 2011(Frick et al., 2013) ....................... 17 Figure 3-5: July 2012 Bacteria Concentrations Lower Cape Neddick River (Frick et. al, 2013) 28 Figure 3-6: May 2012 Bacteria Concentrations Lower Cape Neddick River ............................... 29 Figure 5-1: Bacteria Source Contributions by Land Use in the Cape Neddick River watershed . 37 Figure 5-2: Impact Level of Sites in the 2013 Watershed Survey. ............................................... 38 Figure 5-3: Land Use at Sites Observed During the 2013 Stormwater Survey ............................ 39 Figure 5-4: Erosion Site Cost Rating from the 2013 Stormwater Survey .................................... 40 ii FB Environmental Associates Cape Neddick River Watershed Based Management Plan February 2014 Table of Tables Table 3-1: Numeric Standards for Cape Neddick River Waters (Frick et al., 2013) .................... 10 Table 3-2: Cape Neddick River Water Quality Monitoring History 1995-2012 (Frick et al., 2013) ....................................................................................................................................................... 12 Table 3-3: Maine Healthy Beaches Enterococci Results at Cape Neddick Beach in York, Maine (colonies/100mL) .......................................................................................................................... 13 Table 3-4: Dissolved Oxygen Data – 2012 Cape Neddick River (Frick et al., 2013) .................. 23 Table 3-5: Bacteria Data – 2012 Cape Neddick River (Frick et. al, 2013).................................. 26 Table 3-6: Enterococci and Canine Detection

View Full Text

Details

  • File Type
    pdf
  • Upload Time
    -
  • Content Languages
    English
  • Upload User
    Anonymous/Not logged-in
  • File Pages
    68 Page
  • File Size
    -

Download

Channel Download Status
Express Download Enable

Copyright

We respect the copyrights and intellectual property rights of all users. All uploaded documents are either original works of the uploader or authorized works of the rightful owners.

  • Not to be reproduced or distributed without explicit permission.
  • Not used for commercial purposes outside of approved use cases.
  • Not used to infringe on the rights of the original creators.
  • If you believe any content infringes your copyright, please contact us immediately.

Support

For help with questions, suggestions, or problems, please contact us