Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 330220096301801 Lavon Lk at Raw Water Intake #2

Collin County, Texas
Hydrologic Unit Code 12030106
Latitude  33°02'20.3", Longitude  96°30'17.7" NAD83
Gage datum 482 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 661 2011-05-16 2023-10-05 Sampling depth, feet
00010 661 2011-05-16 2023-10-05 Temperature, water, degrees Celsius
00020 92 2011-05-16 2023-10-05 Temperature, air, degrees Celsius
00025 654 2011-05-16 2023-10-05 Barometric pressure, millimeters of mercury
00035 90 2011-05-16 2023-10-05 Wind speed, miles per hour
00036 47 2011-05-16 2023-10-05 Wind direction, degrees clockwise from true north
00062 83 2011-05-16 2023-10-05 Elevation of reservoir water surface above datum, feet
00063 4 2011-05-16 2023-10-05 Number of sampling points, count
00095 661 2011-05-16 2023-10-05 Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
00191 661 2011-05-16 2023-10-05 Hydrogen ion, water, unfiltered, calculated, milligrams per liter
00300 661 2011-05-16 2023-10-05 Dissolved oxygen, water, unfiltered, milligrams per liter
00301 654 2011-05-16 2023-10-05 Dissolved oxygen, water, unfiltered, percent of saturation
00400 661 2011-05-16 2023-10-05 pH, water, unfiltered, field, standard units
00403 60 2011-05-16 2023-10-05 pH, water, unfiltered, laboratory, standard units
00405 62 2011-05-16 2023-10-05 Carbon dioxide, water, unfiltered, milligrams per liter
00452 62 2011-05-16 2023-10-05 Carbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00453 62 2011-05-16 2023-10-05 Bicarbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00605 60 2011-05-16 2023-10-05 Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00608 60 2011-05-16 2023-10-05 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00613 60 2011-05-16 2023-10-05 Nitrite, water, filtered, milligrams per liter as nitrogen
00618 60 2011-05-16 2023-10-05 Nitrate, water, filtered, milligrams per liter as nitrogen
00631 60 2011-05-16 2023-10-05 Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00660 60 2011-05-16 2023-10-05 Orthophosphate, water, filtered, milligrams per liter as PO4
00665 60 2011-05-16 2023-10-05 Phosphorus, water, unfiltered, milligrams per liter as phosphorus
00671 60 2011-05-16 2023-10-05 Orthophosphate, water, filtered, milligrams per liter as phosphorus
00900 60 2011-05-16 2023-10-05 Hardness, water, milligrams per liter as calcium carbonate
00904 58 2011-05-16 2023-10-05 Noncarbonate hardness, water, filtered, field, milligrams per liter as calcium carbonate
00915 60 2011-05-16 2023-10-05 Calcium, water, filtered, milligrams per liter
00925 60 2011-05-16 2023-10-05 Magnesium, water, filtered, milligrams per liter
00930 60 2011-05-16 2023-10-05 Sodium, water, filtered, milligrams per liter
00931 60 2011-05-16 2023-10-05 Sodium adsorption ratio (SAR), water, number
00932 60 2011-05-16 2023-10-05 Sodium fraction of cations, water, percent in equivalents of major cations
00935 60 2011-05-16 2023-10-05 Potassium, water, filtered, milligrams per liter
00940 60 2011-05-16 2023-10-05 Chloride, water, filtered, milligrams per liter
00945 60 2011-05-16 2023-10-05 Sulfate, water, filtered, milligrams per liter
00950 60 2011-05-16 2023-10-05 Fluoride, water, filtered, milligrams per liter
00955 60 2011-05-16 2023-10-05 Silica, water, filtered, milligrams per liter as SiO2
32000 60 2011-05-16 2023-10-05 Sample volume, liters
39086 62 2011-05-16 2023-10-05 Alkalinity, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate
49701 91 2011-05-16 2023-10-05 Transparency, water, in situ, Secchi disc, feet
62855 60 2011-05-16 2023-10-05 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, analytically determined, milligrams per liter
70301 60 2011-05-16 2023-10-05 Dissolved solids, water, filtered, sum of constituents, milligrams per liter
70303 60 2011-05-16 2023-10-05 Dissolved solids, water, filtered, short tons per acre-foot
71846 60 2011-05-16 2023-10-05 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71851 60 2011-05-16 2023-10-05 Nitrate, water, filtered, milligrams per liter as nitrate
71856 60 2011-05-16 2023-10-05 Nitrite, water, filtered, milligrams per liter as nitrite
71999 37 2011-05-16 2023-10-05 Sample purpose, code
82398 37 2011-05-16 2023-10-05 Sampling method, code
84164 41 2011-05-16 2023-10-05 Sampler type, code
90095 60 2011-05-16 2023-10-05 Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius
94424 48 2011-05-16 2023-10-05 Dreissena polymorpha (Pallas, 1771) adults, number per square meter
94425 91 2011-05-16 2023-10-05 Dreissena polymorpha (Pallas, 1771) larvae, number per liter
94428 1 2011-05-16 2023-10-05 Zebra mussel Dreissena polymorpha (Pallas, 1771) rDNA ITS 2 gene, water, DNA based, recoverable, copies per liter
94429 1 2011-05-16 2023-10-05 Zebra mussel Dreissena polymorpha (Pallas, 1771) shell length, larvae, average, micrometers
99111 329 2011-05-16 2023-10-05 Type of quality assurance data associated with sample, code
99156 30 2011-05-16 2023-10-05 Sulfuric acid NWIS lot number, 4.5 N (1:7), 1 mL, National Field Supply Service (NFSS) stock number Q438FLD
99159 30 2011-05-16 2023-10-05 Nitric acid NWIS lot number, 7.5-7.7 N, 2 mL, National Field Supply Service (NFSS) stock number Q436FLD
99174 24 2011-05-16 2023-10-05 Sulfuric acid titrant NWIS lot number, 0.16 N, cartridge, National Field Supply Service (NFSS) stock number Q142FLD
99206 30 2011-05-16 2023-10-05 NWIS lot number, capsule filter, 0.45 micron