LOCATION.-- Lat. 42°08'16", long 87°47'04" (NAD of 1927), at NE╝ NW╝ sec.12, T42N, R12E, Cook County, Hydrologic Unit 07120003, 33 feet upstream of Dundee Road (sewer pipe in the Chicago Botanical Gardens). | |
DRAINAGE AREA.-- 23.8 mi▓. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
PARTIAL RECORD: Annual maximum, water years 1962-1979; Miscellaneous discharge measurements, water year 2000. | |
SURFACE-WATER QUALITY | |
MISCELLANEOUS: Water year 2000; contaminants in streambed sediments, water year 2000. | |
BIOLOGICAL | |
ALGAE: Pigment and biomass, Water year 2000. | |
BENTHIC MACROINVERTEBRATES: Water year 2000. | |
HABITAT: Water year 2000. | |