{"date":"20260225","type":"Topology","arcs":[],"objects":{"DCstrmflow":{"type":"GeometryCollection","geometries":[{"type":"Point","coordinates":[-77.176,38.96],"properties":{"NAME":"USGS 01646305 DEAD RUN AT WHANN AVENUE NEAR MCLEAN, VA","CLASS": 0}},{"type":"Point","coordinates":[-77.128,38.95],"properties":{"NAME":"USGS 01646500 POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA","CLASS": 5}},{"type":"Point","coordinates":[-77.068,38.903],"properties":{"NAME":"USGS 01647600 POTOMAC RIVER AT WISCONSIN AVE, WASHINGTON, DC","CLASS": 0}},{"type":"Point","coordinates":[-77.068,38.903],"properties":{"NAME":"USGS 01647600 POTOMAC RIVER AT WISCONSIN AVE, WASHINGTON, DC","CLASS": 0}},{"type":"Point","coordinates":[-77.04,38.973],"properties":{"NAME":"USGS 01648000 ROCK CREEK AT SHERRILL DRIVE WASHINGTON, DC","CLASS": 5}},{"type":"Point","coordinates":[-77.042,38.96],"properties":{"NAME":"USGS 01648010 ROCK CREEK AT JOYCE RD WASHINGTON, DC","CLASS": 0}},{"type":"Point","coordinates":[-77.041,38.962],"properties":{"NAME":"USGS 01648011 Luzon Branch above Rock Creek at Washington DC","CLASS": 0}},{"type":"Point","coordinates":[-76.926,38.96],"properties":{"NAME":"USGS 01649500 NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MD","CLASS": 5}},{"type":"Point","coordinates":[-77.005,38.986],"properties":{"NAME":"USGS 01650800 SLIGO CREEK NEAR TAKOMA PARK, MD","CLASS": 0}},{"type":"Point","coordinates":[-76.955,38.909],"properties":{"NAME":"USGS 01651760 ANACOSTIA RIVER AT KENILWORTH AT WASHINGTON, DC","CLASS": 0}},{"type":"Point","coordinates":[-76.969,38.916],"properties":{"NAME":"USGS 01651770 HICKEY RUN AT NATIONAL ARBORETUM AT WASHINGTON, DC","CLASS": 0}},{"type":"Point","coordinates":[-76.943,38.901],"properties":{"NAME":"USGS 01651800 WATTS BRANCH AT WASHINGTON, DC","CLASS": 5}},{"type":"Point","coordinates":[-77.01,38.865],"properties":{"NAME":"USGS 01651827 Anacostia River nr Buzzard Point at Washington, DC","CLASS": 0}},{"type":"Point","coordinates":[-77.086,38.843],"properties":{"NAME":"USGS 01652500 FOURMILE RUN AT ALEXANDRIA, VA","CLASS": 5}},{"type":"Point","coordinates":[-77.106,38.804],"properties":{"NAME":"USGS 01653000 CAMERON RUN AT ALEXANDRIA, VA","CLASS": 5}},{"type":"Point","coordinates":[-77.228,38.813],"properties":{"NAME":"USGS 01654000 ACCOTINK CREEK NEAR ANNANDALE, VA","CLASS": 5}}]}}}