USGS 330539096315001 Lavon Lk nr East Fork Trinity River Water Quality Data

USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources

Data Category:
Geographic Area:

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

Page Loading - Please Wait...

Click to hideNews Bulletins

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
Full News

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Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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.

**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

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	318	2011-05-16	2020-10-19	Sampling depth, feet
00010	318	2011-05-16	2020-10-19	Temperature, water, degrees Celsius
00020	75	2011-05-16	2020-10-19	Temperature, air, degrees Celsius
00025	309	2011-05-16	2020-10-19	Barometric pressure, millimeters of mercury
00035	72	2011-05-16	2020-10-19	Wind speed, miles per hour
00036	37	2011-05-16	2020-10-19	Wind direction, degrees clockwise from true north
00041	2	2011-05-16	2020-10-19	Weather, World Meteorological Organization (WMO) code
00062	65	2011-05-16	2020-10-19	Elevation of reservoir water surface above datum, feet
00063	4	2011-05-16	2020-10-19	Number of sampling points, count
00095	318	2011-05-16	2020-10-19	Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
00191	318	2011-05-16	2020-10-19	Hydrogen ion, water, unfiltered, calculated, milligrams per liter
00300	318	2011-05-16	2020-10-19	Dissolved oxygen, water, unfiltered, milligrams per liter
00301	309	2011-05-16	2020-10-19	Dissolved oxygen, water, unfiltered, percent of saturation
00400	318	2011-05-16	2020-10-19	pH, water, unfiltered, field, standard units
00403	50	2011-05-16	2020-10-19	pH, water, unfiltered, laboratory, standard units
00405	50	2011-05-16	2020-10-19	Carbon dioxide, water, unfiltered, milligrams per liter
00452	50	2011-05-16	2020-10-19	Carbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00453	50	2011-05-16	2020-10-19	Bicarbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00605	50	2011-05-16	2020-10-19	Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00608	50	2011-05-16	2020-10-19	Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00613	50	2011-05-16	2020-10-19	Nitrite, water, filtered, milligrams per liter as nitrogen
00618	50	2011-05-16	2020-10-19	Nitrate, water, filtered, milligrams per liter as nitrogen
00631	50	2011-05-16	2020-10-19	Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00660	50	2011-05-16	2020-10-19	Orthophosphate, water, filtered, milligrams per liter as PO4
00665	50	2011-05-16	2020-10-19	Phosphorus, water, unfiltered, milligrams per liter as phosphorus
00671	50	2011-05-16	2020-10-19	Orthophosphate, water, filtered, milligrams per liter as phosphorus
00900	50	2011-05-16	2020-10-19	Hardness, water, milligrams per liter as calcium carbonate
00904	49	2011-05-16	2020-10-19	Noncarbonate hardness, water, filtered, field, milligrams per liter as calcium carbonate
00915	50	2011-05-16	2020-10-19	Calcium, water, filtered, milligrams per liter
00925	50	2011-05-16	2020-10-19	Magnesium, water, filtered, milligrams per liter
00930	50	2011-05-16	2020-10-19	Sodium, water, filtered, milligrams per liter
00931	50	2011-05-16	2020-10-19	Sodium adsorption ratio (SAR), water, number
00932	50	2011-05-16	2020-10-19	Sodium fraction of cations, water, percent in equivalents of major cations
00935	50	2011-05-16	2020-10-19	Potassium, water, filtered, milligrams per liter
00940	50	2011-05-16	2020-10-19	Chloride, water, filtered, milligrams per liter
00945	50	2011-05-16	2020-10-19	Sulfate, water, filtered, milligrams per liter
00950	50	2011-05-16	2020-10-19	Fluoride, water, filtered, milligrams per liter
00955	50	2011-05-16	2020-10-19	Silica, water, filtered, milligrams per liter as SiO2
01300	1	2011-05-16	2020-10-19	Oil and grease, severity, code
01305	1	2011-05-16	2020-10-19	Suds or foam, severity, code
01320	1	2011-05-16	2020-10-19	Floating garbage, severity, code
01325	1	2011-05-16	2020-10-19	Floating algae mats, severity, code
01330	1	2011-05-16	2020-10-19	Odor, atmospheric, severity, code
01340	1	2011-05-16	2020-10-19	Dead fish, severity, code
01345	1	2011-05-16	2020-10-19	Floating debris, severity, code
01350	1	2011-05-16	2020-10-19	Turbidity, severity, code
32000	43	2011-05-16	2020-10-19	Sample volume, liters
39086	50	2011-05-16	2020-10-19	Alkalinity, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate
49701	71	2011-05-16	2020-10-19	Transparency, water, in situ, Secchi disc, feet
50280	4	2011-05-16	2020-10-19	Site visit purpose, code
62855	50	2011-05-16	2020-10-19	Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, analytically determined, milligrams per liter
70301	50	2011-05-16	2020-10-19	Dissolved solids, water, filtered, sum of constituents, milligrams per liter
70303	50	2011-05-16	2020-10-19	Dissolved solids, water, filtered, short tons per acre-foot
71846	50	2011-05-16	2020-10-19	Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71851	50	2011-05-16	2020-10-19	Nitrate, water, filtered, milligrams per liter as nitrate
71856	50	2011-05-16	2020-10-19	Nitrite, water, filtered, milligrams per liter as nitrite
71999	25	2011-05-16	2020-10-19	Sample purpose, code
82398	25	2011-05-16	2020-10-19	Sampling method, code
84164	26	2011-05-16	2020-10-19	Sampler type, code
90095	50	2011-05-16	2020-10-19	Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius
94424	32	2011-05-16	2020-10-19	Dreissena polymorpha (Pallas, 1771) adults, number per square meter
94425	73	2011-05-16	2020-10-19	Dreissena polymorpha (Pallas, 1771) larvae, number per liter
94428	2	2011-05-16	2020-10-19	Zebra mussel Dreissena polymorpha (Pallas, 1771) rDNA ITS 2 gene, water, DNA based, recoverable, copies per liter
94429	1	2011-05-16	2020-10-19	Zebra mussel Dreissena polymorpha (Pallas, 1771) shell length, larvae, average, micrometers
99111	188	2011-05-16	2020-10-19	Type of quality assurance data associated with sample, code
99156	20	2011-05-16	2020-10-19	Sulfuric acid NWIS lot number, 4.5 N (1:7), 1 mL, National Field Supply Service (NFSS) stock number Q438FLD
99159	20	2011-05-16	2020-10-19	Nitric acid NWIS lot number, 7.5-7.7 N, 2 mL, National Field Supply Service (NFSS) stock number Q436FLD
99161	2	2011-05-16	2020-10-19	Conductance standard NWIS lot number, 100 uS/cm KCl, National Field Supply Service (NFSS) stock number Q43FLD
99165	2	2011-05-16	2020-10-19	Conductance standard NWIS lot number, 1000 uS/cm KCl, National Field Supply Service (NFSS) stock number Q47FLD
99171	2	2011-05-16	2020-10-19	pH 10 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q122FLD, Q123FLD
99172	2	2011-05-16	2020-10-19	pH 4 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q124FLD, Q125FLD
99173	2	2011-05-16	2020-10-19	pH 7 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q126FLD, Q127FLD
99174	18	2011-05-16	2020-10-19	Sulfuric acid titrant NWIS lot number, 0.16 N, cartridge, National Field Supply Service (NFSS) stock number Q142FLD
99177	2	2011-05-16	2020-10-19	Conductance standard NWIS lot number, 1800 uS/cm KCl, National Field Supply Service (NFSS) stock number Q383FLD
99200	1	2011-05-16	2020-10-19	Lot number, first, inorganic-grade water, number
99202	1	2011-05-16	2020-10-19	Lot number, first, organic-grade water, number
99206	20	2011-05-16	2020-10-19	NWIS lot number, capsule filter, 0.45 micron

Parameter
Code

Count

Begin
Date

End
Date

Parameter Code Complete Name

00003

318

2011-05-16

2020-10-19

Sampling depth, feet

00010

318

2011-05-16

2020-10-19

Temperature, water, degrees Celsius

00020

2011-05-16

2020-10-19

Temperature, air, degrees Celsius

00025

309

2011-05-16

2020-10-19

Barometric pressure, millimeters of mercury

00035

2011-05-16

2020-10-19

Wind speed, miles per hour

00036

2011-05-16

2020-10-19

Wind direction, degrees clockwise from true north

00041

2011-05-16

2020-10-19

Weather, World Meteorological Organization (WMO) code

00062

2011-05-16

2020-10-19

Elevation of reservoir water surface above datum, feet

00063

2011-05-16

2020-10-19

Number of sampling points, count

00095

318

2011-05-16

2020-10-19

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

00191

318

2011-05-16

2020-10-19

Hydrogen ion, water, unfiltered, calculated, milligrams per liter

00300

318

2011-05-16

2020-10-19

Dissolved oxygen, water, unfiltered, milligrams per liter

00301

309

2011-05-16

2020-10-19

Dissolved oxygen, water, unfiltered, percent of saturation

00400

318

2011-05-16

2020-10-19

pH, water, unfiltered, field, standard units

00403

2011-05-16

2020-10-19

pH, water, unfiltered, laboratory, standard units

00405

2011-05-16

2020-10-19

Carbon dioxide, water, unfiltered, milligrams per liter

00452

2011-05-16

2020-10-19

Carbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter

00453

2011-05-16

2020-10-19

Bicarbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter

00605

2011-05-16

2020-10-19

Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen

00608

2011-05-16

2020-10-19

Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen

00613

2011-05-16

2020-10-19

Nitrite, water, filtered, milligrams per liter as nitrogen

00618

2011-05-16

2020-10-19

Nitrate, water, filtered, milligrams per liter as nitrogen

00631

2011-05-16

2020-10-19

Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen

00660

2011-05-16

2020-10-19

Orthophosphate, water, filtered, milligrams per liter as PO4

00665

2011-05-16

2020-10-19

Phosphorus, water, unfiltered, milligrams per liter as phosphorus

00671

2011-05-16

2020-10-19

Orthophosphate, water, filtered, milligrams per liter as phosphorus

00900

2011-05-16

2020-10-19

Hardness, water, milligrams per liter as calcium carbonate

00904

2011-05-16

2020-10-19

Noncarbonate hardness, water, filtered, field, milligrams per liter as calcium carbonate

00915

2011-05-16

2020-10-19

Calcium, water, filtered, milligrams per liter

00925

2011-05-16

2020-10-19

Magnesium, water, filtered, milligrams per liter

00930

2011-05-16

2020-10-19

Sodium, water, filtered, milligrams per liter

00931

2011-05-16

2020-10-19

Sodium adsorption ratio (SAR), water, number

00932

2011-05-16

2020-10-19

Sodium fraction of cations, water, percent in equivalents of major cations

00935

2011-05-16

2020-10-19

Potassium, water, filtered, milligrams per liter

00940

2011-05-16

2020-10-19

Chloride, water, filtered, milligrams per liter

00945

2011-05-16

2020-10-19

Sulfate, water, filtered, milligrams per liter

00950

2011-05-16

2020-10-19

Fluoride, water, filtered, milligrams per liter

00955

2011-05-16

2020-10-19

Silica, water, filtered, milligrams per liter as SiO2

01300

2011-05-16

2020-10-19

Oil and grease, severity, code

01305

2011-05-16

2020-10-19

Suds or foam, severity, code

01320

2011-05-16

2020-10-19

Floating garbage, severity, code

01325

2011-05-16

2020-10-19

Floating algae mats, severity, code

01330

2011-05-16

2020-10-19

Odor, atmospheric, severity, code

01340

2011-05-16

2020-10-19

Dead fish, severity, code

01345

2011-05-16

2020-10-19

Floating debris, severity, code

01350

2011-05-16

2020-10-19

Turbidity, severity, code

32000

2011-05-16

2020-10-19

Sample volume, liters

39086

2011-05-16

2020-10-19

Alkalinity, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate

49701

2011-05-16

2020-10-19

Transparency, water, in situ, Secchi disc, feet

50280

2011-05-16

2020-10-19

Site visit purpose, code

62855

2011-05-16

2020-10-19

Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, analytically determined, milligrams per liter

70301

2011-05-16

2020-10-19

Dissolved solids, water, filtered, sum of constituents, milligrams per liter

70303

2011-05-16

2020-10-19

Dissolved solids, water, filtered, short tons per acre-foot

71846

2011-05-16

2020-10-19

Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4

71851

2011-05-16

2020-10-19

Nitrate, water, filtered, milligrams per liter as nitrate

71856

2011-05-16

2020-10-19

Nitrite, water, filtered, milligrams per liter as nitrite

71999

2011-05-16

2020-10-19

Sample purpose, code

82398

2011-05-16

2020-10-19

Sampling method, code

84164

2011-05-16

2020-10-19

Sampler type, code

90095

2011-05-16

2020-10-19

Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius

94424

2011-05-16

2020-10-19

Dreissena polymorpha (Pallas, 1771) adults, number per square meter

94425

2011-05-16

2020-10-19

Dreissena polymorpha (Pallas, 1771) larvae, number per liter

94428

2011-05-16

2020-10-19

Zebra mussel Dreissena polymorpha (Pallas, 1771) rDNA ITS 2 gene, water, DNA based, recoverable, copies per liter

94429

2011-05-16

2020-10-19

Zebra mussel Dreissena polymorpha (Pallas, 1771) shell length, larvae, average, micrometers

99111

188

2011-05-16

2020-10-19

Type of quality assurance data associated with sample, code

99156

2011-05-16

2020-10-19

Sulfuric acid NWIS lot number, 4.5 N (1:7), 1 mL, National Field Supply Service (NFSS) stock number Q438FLD

99159

2011-05-16

2020-10-19

Nitric acid NWIS lot number, 7.5-7.7 N, 2 mL, National Field Supply Service (NFSS) stock number Q436FLD

99161

2011-05-16

2020-10-19

Conductance standard NWIS lot number, 100 uS/cm KCl, National Field Supply Service (NFSS) stock number Q43FLD

99165

2011-05-16

2020-10-19

Conductance standard NWIS lot number, 1000 uS/cm KCl, National Field Supply Service (NFSS) stock number Q47FLD

99171

2011-05-16

2020-10-19

pH 10 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q122FLD, Q123FLD

99172

2011-05-16

2020-10-19

pH 4 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q124FLD, Q125FLD

99173

2011-05-16

2020-10-19

pH 7 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q126FLD, Q127FLD

99174

2011-05-16

2020-10-19

Sulfuric acid titrant NWIS lot number, 0.16 N, cartridge, National Field Supply Service (NFSS) stock number Q142FLD

99177

2011-05-16

2020-10-19

Conductance standard NWIS lot number, 1800 uS/cm KCl, National Field Supply Service (NFSS) stock number Q383FLD

99200

2011-05-16

2020-10-19

Lot number, first, inorganic-grade water, number

99202

2011-05-16

2020-10-19

Lot number, first, organic-grade water, number

99206

2011-05-16

2020-10-19

NWIS lot number, capsule filter, 0.45 micron