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Water Quality Samples for the Nation

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.

USGS 325545096283000 Lk Ray Hubbard nr Rockwall Park nr Rockwall, TX

Rockwall County, Texas
Hydrologic Unit Code 12030106
Latitude  32°55'45.23", Longitude  96°28'30.47" NAD83
Gage datum 435 feet above NAVD88
Output formats
Parameter Group Period of Record table
Inventory of available water-quality data for printing
Inventory of water-quality data with retrieval
Tab-separated data, one result per row
Tab-separated data one sample per row with remark codes combined with values
Tab-separated data one sample per row with tab-delimiter for remark codes
Reselect output format
Parameter
Code		 Count Begin
Date		 End
Date		 Parameter Code Complete Name
00003 184 2011-10-17 2023-09-12 Sampling depth, feet
00010 184 2011-10-17 2023-09-12 Temperature, water, degrees Celsius
00020 54 2011-10-17 2023-09-12 Temperature, air, degrees Celsius
00025 184 2011-10-17 2023-09-12 Barometric pressure, millimeters of mercury
00035 54 2011-10-17 2023-09-12 Wind speed, miles per hour
00036 31 2011-10-17 2023-09-12 Wind direction, degrees clockwise from true north
00062 52 2011-10-17 2023-09-12 Elevation of reservoir water surface above datum, feet
00095 177 2011-10-17 2023-09-12 Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
00191 184 2011-10-17 2023-09-12 Hydrogen ion, water, unfiltered, calculated, milligrams per liter
00300 184 2011-10-17 2023-09-12 Dissolved oxygen, water, unfiltered, milligrams per liter
00301 177 2011-10-17 2023-09-12 Dissolved oxygen, water, unfiltered, percent of saturation
00400 184 2011-10-17 2023-09-12 pH, water, unfiltered, field, standard units
32000 33 2011-10-17 2023-09-12 Sample volume, liters
49701 53 2011-10-17 2023-09-12 Transparency, water, in situ, Secchi disc, feet
71999 4 2011-10-17 2023-09-12 Sample purpose, code
82398 4 2011-10-17 2023-09-12 Sampling method, code
84164 4 2011-10-17 2023-09-12 Sampler type, code
94424 17 2011-10-17 2023-09-12 Dreissena polymorpha (Pallas, 1771) adults, number per square meter
94425 54 2011-10-17 2023-09-12 Dreissena polymorpha (Pallas, 1771) larvae, number per liter
94428 3 2011-10-17 2023-09-12 Zebra mussel Dreissena polymorpha (Pallas, 1771) rDNA ITS 2 gene, water, DNA based, recoverable, copies per liter
99111 87 2011-10-17 2023-09-12 Type of quality assurance data associated with sample, code