Data Provider: STORET (Learn more about Water Quality Portal Data Providers)
This river/stream site, maintained by the UPPER MERRIMACK RIVER LOCAL ADVISORY COMMITTEE (Volunteer) (identifier UMMP), has the name "#8 MERRIMACK RIVER SEWALLS FALLS" and has the identifier UMMP-UMMP-08. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC) 01070006. You can learn more about what is happening in this HUC at the EPA's Surf Your Watershed site or at the USGS Science In Your Watershed site. To learn more about water use in this watershed, you can go to the National Water Census Data Portal.
This site is located in Merrimack County County, New Hampshire at 43.2688890000 degrees latitude and -71.5627780000 degrees longitude using the datum NAD83. The horizontal location collection method was "GPS-Unspecified" and the accuracy is 15 m.
To download the metadata about this site along with water quality data, go to the Portal Page and enter "UMMP-UMMP-08" into the "Site ID" box under Site Parameters
This map shows all Water Quality Portal stations that are 10 miles upstream (dashed dark blue) and 10 miles downstream (solid light blue) of this monitoring location (indicated by the large blue circle). The upstream and downstream functionality is provided by the National Linked Data Index, part of the Open Water Data Initiative.
For the definitions of the metadata elements, please go to the Water Quality Portal user guide
|OrganizationFormalName||UPPER MERRIMACK RIVER LOCAL ADVISORY COMMITTEE (Volunteer)|
|MonitoringLocationName||#8 MERRIMACK RIVER SEWALLS FALLS|
|MonitoringLocationDescriptionText||THIS IS A MAINSTEM MERRIMACK RIVER STATION AT THE SEWALLS FALLS RECREATION ACREA OFF SEWALLS FALLS ROAD. THE SITE IS LOCATED IN SIGHT OF THE SEWALLS FALLS ROAD BRIDGE AND IS ACCESSED FROM RIVER RIGHT. THE SIGHT IS DOMINATED BY LARGE RIFFLES, BOULDERS, COBBLE, GRAVEL, AND SHIFTING SAND DEPOSITS ALONG THE RIVER BED. THERE ARE DEEP POOLS AND STEEP BANKS ALONG RIVER RIGHT AND LEFT. OTHER THAN THE RECREATION AREA, THERE IS LITTLE DEVELOPMENT VISIBLE ALONG THIS CORRIDOR.|