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N.C. Department of Environment and Natural Resources

NC Department of Environment and Natural Resources
Water Quality - DWQ ESS - Random Ambient Monitoring System

Water Quality

 

 

Design and Implementation

Quality Assurance Project Plan

Prior RAMS Sites

2007-2008 

2009-2010 

2011-2012 

 

RAMS Reports

Probabilistic Monitoring of NC Freshwater Streams- 2007-2010


 

 

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Random Ambient Monitoring System (RAMS)

The Random Ambient Monitoring System, started in January 2007, is a component of DWR's Ambient Monitoring System. RAMS is a probabilistic monitoring initiative where sampling locations are randomly located on freshwater streams throughout the state.

Initially, twenty-nine sampling sites were chosen for the program. These sites were sampled once per month for two years, then retired. New sites will be chosen and sampled for two years. This cycle will continue for the life of the program. The current sites are listed in the table below.

The following parameters are collected once per month for a total of 24 times in two years: dissolved oxygen, specific conductance, temperature and pH; alkalinity, chloride, fluoride, sulfate, dissolved organic carbon, turbidity, total metals, dissolved metals, mercury, and volatile organics. The following parameters are collected once every other month for a total of 12 times in two years: cyanide, sulfide, semi-volatile organics, pesticides, and PCBs.

RAMS has several valuable features.  DWR’s ambient monitoring network has historically focused on large rivers and area with known water quality problems. As a result, the ambient program does not have much data on smaller streams. Because most streams in North Carolina are small, the majority of RAMS sites are also on small streams.   In addition, RAMS will allow DWR to answer broad questions about the water quality of North Carolina streams with a statistical rigor that had not been possible before.  RAMS will also allow DWR to collect data on water quality parameters that are rarely examined.  Finally, it will also aid in the development of alternative methods of measuring metals, such as dissolved concentrations and toxicity via biotic ligand models.

 

Random Ambient Monitoring Stations 2013-2014  

 

 2013-2014 RAMS Stations     Historic RAMS Stations       Click on a marker to see station details. 


Staff Contact

Tammy Hill Water Quality Analyst 919 743.8412

 

 Water Sciences Section   1621 Mail Service Center Raleigh, NC 27699-1621   919.743.8400

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