Total Dissolved Nitrogen Concentrations Before, During, and After Sewering in Niantic, Connecticut
By New England Water Science Center
2011 (approx.)
Detailed Description
This box plot shows the distributions of total dissolved nitrogen concentrations before, during, and after connecting to municipal sewer in the Pine Grove community of Niantic, Connecticut.
Sources/Usage
Public Domain.
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Related
Changes in Nitrogen Contributions from Groundwater to the Niantic River Before and After Sewering
Onsite residential septic systems can be a major nonpoint source of nitrogen contamination. The excess nitrogen entering Connecticut’s Niantic River estuary is associated with high nitrate concentrations in the groundwater of the river’s 28-square-mile watershed, creating unsuitable habitat for the growth and recovery of eelgrass (Zostera marina). In an attempt to improve the river’s water quality...