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Wachusett Reservoir is a primary drinking water resource for the greater Boston, Massachusetts area. The Wachusett Reservoir Watershed, an area of 280 km2, has been urbanized with an increase in residential, commercial, industrial and transportation areas. Increased impervious
surfaces due to urbanization have resulted in large runoff volume and pollutant loads to the reservoir. Annual stormwater pollutant mass loads were estimated in order to prioritize subbasins and identify pollutant hotspots in the watershed. Catchment Prioritization Index (CPI) was calculated
using annual stormwater pollutant mass loads and was further used to identify clustered hotspots by applying the Getis-Ord Gi* statistic. The validation with observed data showed higher levels of fecal coliform loading from identified hotspots. Our approach will be useful to prioritize
subbasins for developing stormwater monitoring strategies and Best Management Practices (BMPs) implementation in the watershed.
Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed. WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access.