Combined Sewer Overflows

Combined sewer systems (CSS) are sewers that are designed to collect rainwater runoff, domestic sewage, and industrial wastewater in the same pipe. Overflows from CSS are Combined Sewer Overflows (CSOs), which contain stormwater and untreated human and industrial waste, toxic materials, and debris. CSOs are considered point sources and are assigned WLAs in this TMDL. […]

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Submerged Aquatic Vegetation (1980 1986, 2000, 2004, 2006)

Arial photography, primarily at a scale of 1:24,000, for the following regions: western shore, Va. only – 1971 & 1974; lower Bay, Va. only – 1980 & 1981; upper Bay, selected sections, 1979; Baywide, 1978, 1984 – 1987, and 1989 – 2006. Each area of SAV was classified into one of four density classes by […]

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MD DNR 2011 CORE/Trend Water Quality Monitoring Project

These are water quality monitoring data from a long term fixed location monitoring study of non-tidal stations located in the Chesapeake Bay and Ohio River watersheds. The data are collected from fifty-five stations for a time period beginning January 1986 and extending to the present./p> Data Source: Chesapeake Bay Program

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