The flowing of dirty water through drains and sewers were not adequately diverted. Clogged drains also contribute to flooding by the obstruction of storm drains. Others tried to catch water from the city's sewer drains. Most dwellings were not connected to street drains or sewers. British experts were hired to design storm drains and sewage systems. Buckingham canal drains water from south Chennai. Researchers found environmental reservoirs of CRE bacteria in ICU sinks and drains. The hydrographic Great Basin is a area that drains internally. The subcapsular sinus drains into trabecular sinuses and finally into medullary sinuses. The larger openings create a conduit system that drains the aquifer to springs. Debris is generated on land at marinas, ports, rivers, harbors, docks, and storm drains. The James River drains a catchment comprising . Lake Superior drains into Lake Huron via the St. Marys River. The river drains northwest into the Caribbean. The Lamington River drains the county in the east.