http://waterservices.usgs.gov/nwis/iv/format=waterml%2C1.1&parameterCd=00060%2C00065&sites=01646500[ALL:01646500][00060, 00065][ALL:01646500][mode=LATEST, modifiedSince=null]methodIds=[ALL]2026-04-28T23:53:10.062Z692a85d0-435d-11f1-96d8-2cea7f58f5caProvisional data are subject to revision. Go to http://waterdata.usgs.gov/nwis/help/?provisional for more information.vaas01POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA0164650038.94977778-77.12763889ST020700081005242403100060Streamflow, ft³/sDischarge, cubic feet per secondDerived Valueft3/s-999999.03280PProvisional data subject to revision.POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA0164650038.94977778-77.12763889ST020700081005242403100065Gage height, ftGage height, feetDerived Valueft-999999.03.08PProvisional data subject to revision.