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DESCRIPTION:

Latitude 30°01'37",   Longitude 95°15'28"   NAD27

Harris County, Texas, Hydrologic Unit 12040101

Drainage area: 1,741 square miles

Contributing drainage area: 1,741 square miles,

Datum of gage: 0.00 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2010-05-14	2025-12-14
Daily Data
Temperature, water, degrees Celsius	2010-05-19	2024-11-13	15695
Discharge, cubic feet per second	1928-10-01	2025-12-13	12270
Gage height, feet	2010-05-14	2025-12-13	5679
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2010-05-19	2024-11-13	15567
Dissolved oxygen, water, unfiltered, milligrams per liter	2010-05-19	2024-11-13	15431
pH, water, unfiltered, field, standard units	2010-05-19	2024-11-13	15608
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2010-05-19	2024-11-13	19931
Daily Statistics
Temperature, water, degrees Celsius	2010-05-19	2024-11-13	5231
Discharge, cubic feet per second	1928-10-01	2025-02-17	11971
Gage height, feet	2010-05-14	2025-02-17	5380
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2010-05-19	2024-11-13	5188
Dissolved oxygen, water, unfiltered, milligrams per liter	2010-05-19	2024-11-13	5142
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2010-05-19	2024-11-13	4985
Monthly Statistics
Temperature, water, degrees Celsius	2010-05	2024-11
Discharge, cubic feet per second	1928-10	2025-02
Gage height, feet	2010-05	2025-02
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2010-05	2024-11
Dissolved oxygen, water, unfiltered, milligrams per liter	2010-05	2024-11
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2010-05	2024-11
Annual Statistics
Temperature, water, degrees Celsius	2010	2025
Discharge, cubic feet per second	1929	2025
Gage height, feet	2010	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2010	2025
Dissolved oxygen, water, unfiltered, milligrams per liter	2010	2025
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2010	2025
Peak streamflow	1929-05-31	2024-05-04	40
Field measurements	1928-10-23	2025-12-02	411
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2010-05-27	2024-02-14	176
Water-Year Summary	2011	2025	15
Revisions	Loading...

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