2007 Feasibility Study

TABLE OF CONTENTS
Executive Summary
Introduction
Part I. Diagnostic Study
Section 1.0 – The Martins Pond Watershed
Section 2.0 – Previous Work within the Watershed and Current Issues
– Section 2.1 Trophic Status of Martins Pond
– Section 2.2 Land Use
– Section 2.3 Land Use and Hydrological Change in Harold Parker State Forest

– Section 2.4 Surface Waters
– Section 2.5 Groundwater Levels
– Section 2.6 Key Conservation and Protected Lands
– Section 2.7 Topography and Subwatershed Delineation
– Section 2.8 Slope Classes
– Section 2.9 Bedrock Geology
– Section 2.10 Surficial Geology
-Section 2.11 Soils
– Section 2.12 Groundwater Divide
– Section 2.13 Wetlands

Section 3.0 – Martins Pond
– Section 3.1 Pond Sediments
– Section 3.2 Biological Conditions: Algae and Fish

Section 4.0 – Surface Water Quality Assessment
– Section 4.1 Quality Assurance Performance Plan (QAPP)
– Section 4.2 Overview of Water Quality Assessment Objectives

Section 5.0 – Surface Water Chemistry in Subwatersheds
– Section 5.1 Components of Turbidity in Martins Pond
– Section 5.2 Total Suspended Solids
– Section 5.3 Color
– Section 5.4 Light Attenuation Profiles
– Section 5.5 pH
– Section 5.6 Conductivity
– Section 5.7 Chloride
– Section 5.8 Sulfate
– Section 5.9 Dissolved Oxygen
– Section 5.10 Total Phosphorus
– Section 5.11 Historic Trends in Total Phosphorus Levels in Martins Pond
– Section 5.12 Nitrogen Levels
– Section 5.13 Nitrate Levels
– Section 5.14 Total Nitrogen
– Section 5.15 Nitrogen: Phosphorus Ratios
– Section 5.16 Nutrient Limitation Bioassays
– Section 5.17 Water Quality Summary

Section 6 – Hydrology and Nutrient Budgeting
– Section 6.1 SWMM 5.0.009
– Section 6.2 SWMM Modeling Parameters
– Section 6.3 Model Calibration
– Section 6.4 Model Validation

Section 7 – Phosphorus Modeling and Budget
– Section 7.1 Phosphorus Loading into Martins Pond
– Section 7.2 Phosphorus Loading in the Martins Pond Watershed

Section 8 – Nitrogen Modeling and Budget
Section 9 – Nutrient Dynamics Summary
Section 10 – Sediment Loading into Martins Pond
Section 11 – Fecal Coliform / E. coli Levels and Bacterial Source Tracking
– Section 11.1 Fecal coliform and E. coli Results
– Section 11.2 Septic Systems
– Section 11.3 Storm Event Bacterial Levels in Martins Pond
– Section 11.4 Bacterial Source Tracking

Section 12 – Stormwater Conveyance
Section 13 – Macrophyte Analysis and Fanwort Control
– Section 13.1 Macrophyte Sampling and Analysis Methods
– Section 13.2 Pre-Harvesting Fanwort Distribution and Abundance
– Section 13.3 Fanwort Control via Mechanical Harvesting
– Section 13.4 Post-Harvesting Macrophyte Survey Results
– Section 13.5 Macrophyte Species Assemblages and Communities
– Section 13.6 Pilot Alum and Herbicide Application Studies

Section 14 – Biological Control of Purple Loosestrife
– Section 14.1 Loosestrife Biocontrol Results
– Section 14.2 Influence of Surface Water Elevation at Release Sites

Part II. Feasibility Study
Section 15 – Pond and Watershed Management Alternatives
– Section 15.1 Doing Nothing
– Section 15.2 Physical Management Options to Control Nuisance Macrophytes
– Section 15.3 Chemical Control of Algae and Macrophytes
– Section 15.4 Chemical Sediment Treatments
– Section 15.5 Septic Conversion to Sewering
– Section 15.6 Watershed Management
– Section 15.7 Restoring Swimming Potential
– Section 15.8 Biological Control of Purple Loosestrife

Section 16 – References
Appendices
– Appendix A – Scope of Services
– Appendix B – Draft TMDL for Total Phosphorus for Martins Pond
– Appendix C – Water Quality Data and Results
– Appendix D – Surface Water Quality Standards for Class B Waters
– Appendix E – Harvesting Summary Report from ACT
– Appendix F – List of Recommendations from 2003 Lakes and Ponds Report
– Appendix G – Fanwort Brochure from Massachusetts DCR