High Temporal Resolution Stormwater Quality Monitoring

Urbanization increases impervious area, which alters hydrologic and ecological dynamics and contributes to increased rates of pollutant accumulation and transportation to freshwater systems through stormwater runoff. A collaborative study between the BWSC, Kleinfelder, and Northeastern University is conducting a high-resolution stormwater sampling to understand the variability in pollutant export from different urban landscapes from September 2020-March 2022.The high temporal-resolution monitoring (weekly in dry weather, 15-45min resolution in wet weather) will focus on the patterns of nutrient and metals discharge within wet weather events (i.e., assess the extent to which “first flush” assumptions apply) and comparisons between dry and wet weather fluxes.