LSWA Document Archive

Water Quality and Status Reports

 


2026 Water Test Results - Cyanobacteria and algae

Cyanobacteria and Expanded Algae Species Identification certificate of analysis from Northeast Labs


2026 Lake Singletary 2026 Interim Natives

Interim pre-treatment report from mid year testing indicating locations of native vegetation concentration.


2026 Lake Singletary 2026 Interim Fanwort

Interim pre-treatment report from mid year testing indicating locations of invasive fanwort concentration.


2025 Lake Singletary 2025 Interim Natives

Interim pre-treatment report from mid year testing indicating locations of native vegetation concentration.


2025 Lake Singletary 2025 Interim Fanwort

Interim pre-treatment report from mid year testing indicating locations of invasive fanwort concentration.


2025 Water Quality End of Year Report

Interim pre-treatment report from mid year testing indicating locations of invasive fanwort concentration.


2024 Water Test Results - Cyanobacteria

Cyanobacteria and Expanded Algae Species Identification certificate of analysis from Northeast Labs


2024 Lake Singletary 2024 Interim Natives

Interim pre-treatment report from mid year testing indicating locations of native vegetation concentration.


2024 Lake Singletary 2024 Interim Fanwort

Interim pre-treatment report from mid year testing indicating locations of invasive fanwort concentration.


2024 Water Quality Report 2024

Spreadsheet of water sample details at regular test locations including temperature, pH and Secchi 


2024 Algae Species Identification Report

Algae Species Identification certificate of analysis from Northeast Labs


2024 Water Quality Year-End Report

Detailed summary of lake testing results

Detailed summary of lake testing results


2021 Weed Survey

Algae Species Identification certificate of analysis from Northeast Labs


2021 Quality End of Year Report

Detailed summary of lake testing results


2020 Quality End of Year Report

Detailed summary of lake testing results


2011 Aquatic Quality End of Year Report

Detailed summary of lake testing results


2010 Aquatic Quality End of Year Report

Detailed summary of lake testing results


Lake Singletary Water Quality Data

Complete data set (since 1994)for Secchi, Dissolved Oxygen, pH, Alkalinity, Chlorophyll, and Phosphorus.
 

Lake Singletary Water Quality Charts 

Complete set of Charts (since 1994) for Secchi, Dissolved Oxygen, pH, Alkalinity, Chlorophyll, and Phosphorus.
 

Dissolved Oxygen, pH, and Temperature Data

Complete data set (since 1998) for Dissolved Oxygen and Temperature.

 


Project and Plan Archive

 


LSWA Response Letter to Merrill Pond Dam Removal Project (23-Mar-2017)

Board of Directors send detailed concerns on behalf of LSWA concerning the "Merrill Pond Dam Removal & Rehabilitation" project.

Commonwealth of Massachusetts Environmental Notification Statement.

2014 Singletary Lake Management Plan

Updated lake management guide

2003 Storm Drain Upgrade Project Data

TP and TSS data before and after the Storm Drain Upgrade Project.

Singletary Road Storm Drain Plan

Layout  and plan of storm drains along Singletary Road

2005 Lake Singletary Dam Assessment Report

The primary objective was to observe the existing condition of the dam and address deficiencies identified during the inspection.

1991 Lake Singletary Diagnostic Study

This report provides a description of the watershed, and the physical characteristics of the lake. monitoring and sampling results. the current nutrient loading to the lake and the trophic state (level of eutrophication) of Singletary Lake.

2000_Lake Singletary Waste Water Facilities Plan 

The purpose of this study is to develop a 20-year, wastewater collection and management plan.  The goal is to develop a plan to help reduce contaminant loading to Lake Singletary, while complying with Massachusetts Title 5 regulations

2001 Stockwell Ponds Tributary Study2001 Stockwell Ponds Study Lab Results 

This report documents the existing conditions and the development of management strategies focusing on the maintenance and improvement of the Stockwell Ponds nutrient reducing function and capabilities.

1995 Singletary Lake Management Plan 

This report documents the findings of the Singletary Lake Management Plan. The goal was to identify the management needs for Singletary Lake, analyze alternatives, and then develop a recommended management plan tailored specifically for Singletary Lake.

Forms and Maps

 


Lake Singletary Bathymetric Map

Map showing the various depths of Lake Singletary.

Lake Singletary Water Quality Testing Locations

This map provides water sampling locations for our Water Quality Program.

2015 Lake Singletary By-Laws 

Association By-Laws regulate the internal practices and procedures of associations by defining the relations, rights and duties of the members, and the powers, duties and limitations of the officers and directors. Massachusetts Title 5 regulations

Lake Singletary Membership Form

Lake Singletary Watershed Association Membership Form.