City of Manchester, NH Official Website

Water Quality Data

Since 2000, basic water quality parameters have been monitored in the "deep spot", inlet, outlet, and tributaries of each waterbody once a month (typically June, July, and August) of each year. Monitoring procedures for Crystal Lake, Dorrs Pond, Nutts Pond, Pine Island Pond, and Stevens Pond follow the New Hampshire Volunteer Lakes Assessment Program Protocols. Monitoring procedures for Black Brook (formerly Maxwell Pond) and McQuesten Brook follow the New Hampshire Volunteer River Assessment Program Protocols.

Master Data Summary

Manchester Urban Ponds Restoration Program Water Quality Parameter Data Table Summary

Volunteer Lake Assessment Program (VLAP) & Volunteer River Assessment Program (VRAP) Reports

Crystal Lake 2000 2001 2002 2003 2004 2005 2006 2007
2008 2009 2010 N/A 2012 2013 2014  
2016  
Dorrs Pond 2000 2001 2002 2003 2004 2005 2006 2007
2008 2009 2010 N/A 2012 2013 2014 2015
2016  
Maxwell Pond/Black Brook 2000 2001 2002 2003 2004 2005 2006 2007
2008 2009 2010 2011 2012 2013 2014 2015
2016  
McQuesten Brook 2000 2001 2002 2003 2004 2005 N/A N/A
N/A N/A N/A 2011 2012 2013 2014 2015
2016  
Nutts Pond 2000 2001 2002 2003 2004 2005 2006 2007
2008 2009 2010 N/A 2012 2013 2014 2015
2016  
Pine Island Pond 2000 2001 2002 2003 2004 2005 2006 2007
2008 2009 2010 N/A 2012 2013 2014 2015
2016  
Stevens Pond 2000 2001 2002 2003 2004 2005 2006 2007
2008 2009 2010 N/A 2012 2013 2014 2015
2016  

Regional VLAP Reports

Lake Tropic Survey Reports

Crystal Lake 1981 1997
Dorrs Pond 1981 1997
Maxwell Pond 1981  
Nutts Pond 1981 1995
Pine Island Pond 1980 1997
Stevens Pond 1981 1997

Water Quality Data Interpretation

Be sure to view the following documents for information on interpreting water quality results.

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