00003
317
2011-06-14
2023-09-26
Sampling depth, feet
00010
317
2011-06-14
2023-09-26
Temperature, water, degrees Celsius
00020
71
2011-06-14
2023-09-26
Temperature, air, degrees Celsius
00025
317
2011-06-14
2023-09-26
Barometric pressure, millimeters of mercury
00035
69
2011-06-14
2023-09-26
Wind speed, miles per hour
00036
42
2011-06-14
2023-09-26
Wind direction, degrees clockwise from true north
00062
67
2011-06-14
2023-09-26
Elevation of reservoir water surface above datum, feet
00095
317
2011-06-14
2023-09-26
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
00191
317
2011-06-14
2023-09-26
Hydrogen ion, water, unfiltered, calculated, milligrams per liter
00300
316
2011-06-14
2023-09-26
Dissolved oxygen, water, unfiltered, milligrams per liter
00301
316
2011-06-14
2023-09-26
Dissolved oxygen, water, unfiltered, percent of saturation
00400
317
2011-06-14
2023-09-26
pH, water, unfiltered, field, standard units
00403
50
2011-06-14
2023-09-26
pH, water, unfiltered, laboratory, standard units
00405
50
2011-06-14
2023-09-26
Carbon dioxide, water, unfiltered, milligrams per liter
00452
50
2011-06-14
2023-09-26
Carbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00453
50
2011-06-14
2023-09-26
Bicarbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00605
48
2011-06-14
2023-09-26
Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00608
48
2011-06-14
2023-09-26
Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00613
48
2011-06-14
2023-09-26
Nitrite, water, filtered, milligrams per liter as nitrogen
00618
48
2011-06-14
2023-09-26
Nitrate, water, filtered, milligrams per liter as nitrogen
00631
48
2011-06-14
2023-09-26
Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00660
48
2011-06-14
2023-09-26
Orthophosphate, water, filtered, milligrams per liter as PO4
00665
48
2011-06-14
2023-09-26
Phosphorus, water, unfiltered, milligrams per liter as phosphorus
00671
48
2011-06-14
2023-09-26
Orthophosphate, water, filtered, milligrams per liter as phosphorus
00900
50
2011-06-14
2023-09-26
Hardness, water, milligrams per liter as calcium carbonate
00904
50
2011-06-14
2023-09-26
Noncarbonate hardness, water, filtered, field, milligrams per liter as calcium carbonate
00915
50
2011-06-14
2023-09-26
Calcium, water, filtered, milligrams per liter
00925
50
2011-06-14
2023-09-26
Magnesium, water, filtered, milligrams per liter
00930
50
2011-06-14
2023-09-26
Sodium, water, filtered, milligrams per liter
00931
50
2011-06-14
2023-09-26
Sodium adsorption ratio (SAR), water, number
00932
50
2011-06-14
2023-09-26
Sodium fraction of cations, water, percent in equivalents of major cations
00935
50
2011-06-14
2023-09-26
Potassium, water, filtered, milligrams per liter
00940
50
2011-06-14
2023-09-26
Chloride, water, filtered, milligrams per liter
00945
50
2011-06-14
2023-09-26
Sulfate, water, filtered, milligrams per liter
00950
50
2011-06-14
2023-09-26
Fluoride, water, filtered, milligrams per liter
00955
50
2011-06-14
2023-09-26
Silica, water, filtered, milligrams per liter as SiO2
01300
2
2011-06-14
2023-09-26
Oil and grease, severity, code
01305
2
2011-06-14
2023-09-26
Suds or foam, severity, code
01320
2
2011-06-14
2023-09-26
Floating garbage, severity, code
01325
2
2011-06-14
2023-09-26
Floating algae mats, severity, code
01330
2
2011-06-14
2023-09-26
Odor, atmospheric, severity, code
01340
2
2011-06-14
2023-09-26
Dead fish, severity, code
01345
2
2011-06-14
2023-09-26
Floating debris, severity, code
01350
2
2011-06-14
2023-09-26
Turbidity, severity, code
32000
45
2011-06-14
2023-09-26
Sample volume, liters
32318
12
2011-06-14
2023-09-26
Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter
32319
12
2011-06-14
2023-09-26
Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin
32320
12
2011-06-14
2023-09-26
Chlorophyll fluorescence (fChl), water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, relative fluorescence units (RFU)
32321
12
2011-06-14
2023-09-26
Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)
39086
50
2011-06-14
2023-09-26
Alkalinity, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate
49701
70
2011-06-14
2023-09-26
Transparency, water, in situ, Secchi disc, feet
62855
48
2011-06-14
2023-09-26
Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, analytically determined, milligrams per liter
63680
12
2011-06-14
2023-09-26
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
70301
50
2011-06-14
2023-09-26
Dissolved solids, water, filtered, sum of constituents, milligrams per liter
70303
50
2011-06-14
2023-09-26
Dissolved solids, water, filtered, short tons per acre-foot
71834
2
2011-06-14
2023-09-26
Hydroxide, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
71846
48
2011-06-14
2023-09-26
Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71851
48
2011-06-14
2023-09-26
Nitrate, water, filtered, milligrams per liter as nitrate
71856
48
2011-06-14
2023-09-26
Nitrite, water, filtered, milligrams per liter as nitrite
71870
4
2011-06-14
2023-09-26
Bromide, water, filtered, milligrams per liter
71999
9
2011-06-14
2023-09-26
Sample purpose, code
82398
9
2011-06-14
2023-09-26
Sampling method, code
84164
9
2011-06-14
2023-09-26
Sampler type, code
90095
50
2011-06-14
2023-09-26
Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius
94424
28
2011-06-14
2023-09-26
Dreissena polymorpha (Pallas, 1771) adults, number per square meter
94425
71
2011-06-14
2023-09-26
Dreissena polymorpha (Pallas, 1771) larvae, number per liter
94429
16
2011-06-14
2023-09-26
Zebra mussel Dreissena polymorpha (Pallas, 1771) shell length, larvae, average, micrometers
94430
8
2011-06-14
2023-09-26
Zebra mussel Dreissena polymorpha (Pallas, 1771) shell length, adult, average, millimeters
99111
161
2011-06-14
2023-09-26
Type of quality assurance data associated with sample, code
99156
30
2011-06-14
2023-09-26
Sulfuric acid NWIS lot number, 4.5 N (1:7), 1 mL, National Field Supply Service (NFSS) stock number Q438FLD
99159
30
2011-06-14
2023-09-26
Nitric acid NWIS lot number, 7.5-7.7 N, 2 mL, National Field Supply Service (NFSS) stock number Q436FLD
99174
26
2011-06-14
2023-09-26
Sulfuric acid titrant NWIS lot number, 0.16 N, cartridge, National Field Supply Service (NFSS) stock number Q142FLD
99206
30
2011-06-14
2023-09-26
NWIS lot number, capsule filter, 0.45 micron
99988
12
2011-06-14
2023-09-26
Photosynthetically active radiation (average flux density on a horizontal surface during measurement interval), micromoles of photons per square meter per second
Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data
starting March 11, 2024 