Rivers and	Lakes, ponds		Ocean
Designated-use support	streams	and reservoirs	Estuaries	shoreline
	miles	acres	square miles	miles
Fully supporting	463,441	7,927,486	13,439	2,496
Threatened	85,544	1,565,175	2,766	257
Impaired	291,264	7,897,110	12,482	377
Not attainable	154	599	0	1
Total surface waters surveyed	842,426	17,390,370	28,687	3,130
Total surface waters not surveyed	2,819,829	24,203,378	61,778	63,515
Total surface waters	3,662,255	41,593,748	90,465	66,645

Source: U.S. Environmental Protection Agency, Office of Water, National Water Quality Inventory: 1998 Report to Congress (EPA, OW, Washington, DC, 2000).

Last Updated on 1/15/01