Table 5. Reported diseases due to pathogens in water bodies in Maryland and Virginia (2004–2013)¹.

Waterborne disease	Maryland average	Virginia average
Cryptosporidiosis	48	101
Giardiasis	261	137
Listeriosis	17	455
Shiga: toxin producing E. coli (STEC)	96	19
Shigellosis	164	159
Vibriosis	35	32
Total	621	902

Notes:

¹Totals include illnesses due to treated (e.g., pools) and untreated (e.g., estuaries) water bodies, although the majority of these illnesses are likely from treated water bodies, which would not be affected by BMP implementation.

Source:

VDH (2014) and Maryland Department of Health and Mental Hygiene (2013).