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DESCRIPTION:

Latitude 41°17'59",   Longitude 88°36'51"   NAD83

Lasalle County, Illinois, Hydrologic Unit 07120005

Drainage area: 8,215 square miles

Datum of gage: 462.44 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2012-10-16	2021-04-14
Daily Data
Temperature, water, degrees Celsius	2012-10-16	2021-04-13	8990
Gage height, feet	2013-07-18	2021-04-13	2791
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2013-06-26	2021-04-13	6387
Dissolved oxygen, water, unfiltered, milligrams per liter	2013-06-27	2021-04-13	6729
pH, water, unfiltered, field, standard units	2013-06-26	2021-04-13	5539
Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter	2013-06-26	2021-04-13	6838
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2013-06-26	2021-04-13	4212
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2013-07-18	2021-04-13	6518
Daily Statistics
Temperature, water, degrees Celsius	2012-10-16	2020-12-11	2952
Gage height, feet	2013-07-18	2020-11-11	2639
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2013-06-27	2020-12-11	2153
Dissolved oxygen, water, unfiltered, milligrams per liter	2013-06-27	2020-12-11	2197
Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter	2013-06-27	2020-12-11	2236
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2013-07-18	2020-12-11	2127
Monthly Statistics
Temperature, water, degrees Celsius	2012-10	2020-12
Gage height, feet	2013-07	2020-11
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2013-06	2020-12
Dissolved oxygen, water, unfiltered, milligrams per liter	2013-06	2020-12
Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter	2013-06	2020-12
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2013-07	2020-12
Annual Statistics
Temperature, water, degrees Celsius	2013	2021
Gage height, feet	2013	2021
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2013	2021
Dissolved oxygen, water, unfiltered, milligrams per liter	2013	2021
Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter	2013	2021
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2013	2021
Field/Lab water-quality samples	1979-04-25	2021-03-03	25
Water-Year Summary	2014	2020	7
Revisions	Loading...

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