Water Resources Volume I 2008 Watersheds and Water Quality
Total Page:16
File Type:pdf, Size:1020Kb
Water Resources Volume I 2008 Watersheds and Water Quality Prepared by State of New Jersey Highlands Water Protection and Technical Planning Council in Support of the Highlands Regional Master Plan Report HIGHLANDS REGIONAL MASTER PLAN HIGHLANDS WATER PROTECTION AND PLANNING COUNCIL John R. Weingart | Chairman Kurt Alstede Deborah Pasquarelli Jack Schrier | Vice Chairman Elizabeth Calabrese Erik Peterson William Cogger | Treasurer Tracy C. Carluccio Glen Vetrano Timothy Dillingham Tahesha Way Janice Kovach Scott Whitenack Mimi Letts HIGHLANDS COUNCIL STAFF Eileen Swan | Executive Director Thomas A. Borden | Deputy Executive Director and Chief Counsel Daniel J. Van Abs | Senior Director of Planning and Science Roger Keren | Director of Geographic Information Systems SCIENCE STAFF PLANNING STAFF Christine M. Ross | Sr. Resource Management Specialist Christine M. Danis | Principal Planner James Hutzelmann | Water Resource Engineer Judith A. Thornton | Principal Planner Erin C. Lynam | Resource Management Specialist Maryjude Haddock-Weiler | Regional Planner ASSISTING SCIENCE UNIT Megan I. Lang | Regional Planner Casey Ezyske Erika Webb | Regional Planner Charles Perry ASSISTING PLANNING UNIT Megan Saunders GEOGRAPHIC INFORMATION SYSTEMS STAFF LEGAL STAFF Carl B. Figueiredo | GIS Specialist Jeffrey P. LeJava | TDR Program Administrator Nathan McLean | GIS Specialist and Staff Attorney Matthew Vitullo | GIS Specialist Kim Ball Kaiser | Staff Attorney ASSISTING GIS UNIT Jennifer Reed OPERATIONS STAFF Paula M. Dees | Executive Assistant Ranji H. Persaud | Manager of Human Resources/Office Sabina Martine | Administrative Assistant Elizabeth Carlson | Information Systems Coordinator Craig Garretson | Manager of Communications Laura Forrest | Administrative Assistant Matthew J. Curtis | Manager of Information Systems Jane Rivers | Administrative Assistant Lindsey Interlante | Manager of Grants Administration Cindy Tonczos | Receptionist PLAN CONSULTANT Charles L. Siemon, Esq. | Siemon and Larsen, P.A. Highlands Water Resources Technical Report Volume 1: Watersheds and Water Quality CONTENTS EXECUTIVE SUMMARY .............................................................................................................. 1 HYDROLOGIC UNITS OF THE HIGHLANDS ........................................................................ 4 DEFINING WATERSHEDS ............................................................................................................................. 4 WATERSHED MANAGEMENT AREAS OF THE HIGHLANDS ...................................................................10 Upper Delaware River - WMA 1 ...............................................................................................10 Wallkill River - WMA 2 ...............................................................................................................14 Pompton, Pequannock, Wanaque, and Ramapo Rivers - WMA 3 ......................................16 Lower Passaic and saddle rivers – WMA-4..............................................................................18 Upper Passaic, Whippany and Rockaway Rivers - WMA 6 ..................................................19 North and South Branch Raritan River - WMA 8 ..................................................................21 Main Stem Raritan River - WMA 9 ...........................................................................................24 Central Delaware Tributaries - WMA 11 .................................................................................24 SURFACE WATER QUALITY .................................................................................................... 26 INTRODUCTION...........................................................................................................................................26 WATER QUALITY TRENDS WITHIN THE HIGHLANDS REGION ...........................................................32 DETAILED FINDINGS .................................................................................................................................33 Watershed: Delaware Drainage WMA 1: .................................................................................34 Watershed: Wallkill River Drainage WMA 2: ..........................................................................42 Watershed: Passaic Drainage: WMA 3 and WMA 4 ..............................................................47 Watershed: Raritan Drainage WMA 8: .....................................................................................57 Watershed: Upper Passaic Drainage: WMA 6 .........................................................................67 Watershed: Delaware Drainage WMA 11: ...............................................................................76 TOTAL MAXIMUM DAILY LOADS .............................................................................................................80 Implementation Plans for Fecal Coliform TMDLs ................................................................81 Implementation Plans for Phosphorus TMDLs .....................................................................81 Implementation Plans for Arsenic TMDLs .............................................................................81 Implementation Plans for Temperature TMDLs ...................................................................81 Upper Delaware and Wallkill - WMA 1 and 2 TMDLs .........................................................83 Pompton Tributaries - WMA 3 TMDLs ..................................................................................83 Upper Passaic – WMA 6 TMDLs .............................................................................................83 North and South Branch Raritan – WMA 8 TMDLs ............................................................84 Lower Raritan, South River, Lawrence– WMA 9 TMDLs ....................................................84 Central Delaware Tributaries – WMA 11 TMDLs .................................................................84 GROUND WATER QUALITY .................................................................................................... 85 HYDROGEOLOGY .......................................................................................................................................87 DEEP GROUND WATER QUALITY IN THE HIGHLANDS ........................................................................89 SHALLOW GROUND WATER QUALITY IN THE HIGHLANDS ...................................................................91 LIMITATIONS ...............................................................................................................................................94 IDENTIFICATION AND ASSESSMENT OF NON-POINT SOURCE POLLUTION ......... 99 INTRODUCTION...........................................................................................................................................99 SOURCES OF NON-POINT SOURCE POLLUTION .....................................................................................99 PERMITTED DISCHARGES OF NON-POINT SOURCE DERIVED POLLUTANTS .................................. 100 WATER QUALITY AS A FUNCTION OF LAND USE ................................................................................ 100 STORM WATER RUNOFF .......................................................................................................................... 102 SURFACE WATER PROTECTION STANDARDS ....................................................................................... 103 GROUND WATER PROTECTION STANDARDS ...................................................................................... 103 Highlands Water Resources Technical Report Volume 1: Watersheds and Water Quality LAKE MANAGEMENT .............................................................................................................................. 103 Basis for 300-ft Shoreland Protection Tier ........................................................................... 106 Basis for 300 to 1,000-ft Scenic Resources Tier ................................................................... 106 Basis for 1,000-ft Water Quality Management Tier ............................................................. 106 IDENTIFICATION OF AMBIENT WATER QUALITY AND IMPACTS ..................................................... 107 Surface Water............................................................................................................................. 107 Ground Water ........................................................................................................................... 107 Water Quality in the Lakes of the Highlands Region .......................................................... 108 Impact of Impervious Surfaces on Highlands Resources .................................................. 108 On-site Wastewater Treatment ............................................................................................... 109 BEST MANAGEMENT PRACTICES TO CONTROL NON-POINT SOURCE POLLUTION ...................... 109 Agricultural Runoff ................................................................................................................... 109 Urban Runoff ............................................................................................................................ 110 Forestry Runoff ......................................................................................................................... 110 Boating and Marina Runoff