00003
78
2007-06-20
2020-09-11
Sampling depth, feet
00010
78
2007-06-20
2020-09-11
Temperature, water, degrees Celsius
00020
15
2007-06-20
2020-09-11
Temperature, air, degrees Celsius
00025
78
2007-06-20
2020-09-11
Barometric pressure, millimeters of mercury
00035
11
2007-06-20
2020-09-11
Wind speed, miles per hour
00036
9
2007-06-20
2020-09-11
Wind direction, degrees clockwise from true north
00062
11
2007-06-20
2020-09-11
Elevation of reservoir water surface above datum, feet
00095
78
2007-06-20
2020-09-11
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
00191
78
2007-06-20
2020-09-11
Hydrogen ion, water, unfiltered, calculated, milligrams per liter
00300
78
2007-06-20
2020-09-11
Dissolved oxygen, water, unfiltered, milligrams per liter
00301
78
2007-06-20
2020-09-11
Dissolved oxygen, water, unfiltered, percent of saturation
00400
78
2007-06-20
2020-09-11
pH, water, unfiltered, field, standard units
00403
31
2007-06-20
2020-09-11
pH, water, unfiltered, laboratory, standard units
00405
30
2007-06-20
2020-09-11
Carbon dioxide, water, unfiltered, milligrams per liter
00452
30
2007-06-20
2020-09-11
Carbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00453
30
2007-06-20
2020-09-11
Bicarbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00530
1
2007-06-20
2020-09-11
Suspended solids, water, unfiltered, milligrams per liter
00600
1
2007-06-20
2020-09-11
Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, milligrams per liter
00602
1
2007-06-20
2020-09-11
Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, filtered, milligrams per liter
00605
21
2007-06-20
2020-09-11
Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00607
1
2007-06-20
2020-09-11
Organic nitrogen, water, filtered, milligrams per liter as nitrogen
00608
21
2007-06-20
2020-09-11
Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00613
21
2007-06-20
2020-09-11
Nitrite, water, filtered, milligrams per liter as nitrogen
00618
21
2007-06-20
2020-09-11
Nitrate, water, filtered, milligrams per liter as nitrogen
00623
1
2007-06-20
2020-09-11
Ammonia plus organic nitrogen, water, filtered, milligrams per liter as nitrogen
00625
1
2007-06-20
2020-09-11
Ammonia plus organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00631
21
2007-06-20
2020-09-11
Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00660
21
2007-06-20
2020-09-11
Orthophosphate, water, filtered, milligrams per liter as PO4
00665
21
2007-06-20
2020-09-11
Phosphorus, water, unfiltered, milligrams per liter as phosphorus
00666
1
2007-06-20
2020-09-11
Phosphorus, water, filtered, milligrams per liter as phosphorus
00671
21
2007-06-20
2020-09-11
Orthophosphate, water, filtered, milligrams per liter as phosphorus
00680
1
2007-06-20
2020-09-11
Organic carbon, water, unfiltered, milligrams per liter
00681
1
2007-06-20
2020-09-11
Organic carbon, water, filtered, milligrams per liter
00900
31
2007-06-20
2020-09-11
Hardness, water, milligrams per liter as calcium carbonate
00904
30
2007-06-20
2020-09-11
Noncarbonate hardness, water, filtered, field, milligrams per liter as calcium carbonate
00915
31
2007-06-20
2020-09-11
Calcium, water, filtered, milligrams per liter
00925
31
2007-06-20
2020-09-11
Magnesium, water, filtered, milligrams per liter
00930
31
2007-06-20
2020-09-11
Sodium, water, filtered, milligrams per liter
00931
31
2007-06-20
2020-09-11
Sodium adsorption ratio (SAR), water, number
00932
31
2007-06-20
2020-09-11
Sodium fraction of cations, water, percent in equivalents of major cations
00935
31
2007-06-20
2020-09-11
Potassium, water, filtered, milligrams per liter
00940
31
2007-06-20
2020-09-11
Chloride, water, filtered, milligrams per liter
00945
31
2007-06-20
2020-09-11
Sulfate, water, filtered, milligrams per liter
00950
31
2007-06-20
2020-09-11
Fluoride, water, filtered, milligrams per liter
00955
31
2007-06-20
2020-09-11
Silica, water, filtered, milligrams per liter as SiO2
01046
1
2007-06-20
2020-09-11
Iron, water, filtered, micrograms per liter
01056
1
2007-06-20
2020-09-11
Manganese, water, filtered, micrograms per liter
32000
9
2007-06-20
2020-09-11
Sample volume, liters
32318
13
2007-06-20
2020-09-11
Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter
32319
13
2007-06-20
2020-09-11
Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin
32320
13
2007-06-20
2020-09-11
Chlorophyll fluorescence (fChl), water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, relative fluorescence units (RFU)
32321
13
2007-06-20
2020-09-11
Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)
39086
30
2007-06-20
2020-09-11
Alkalinity, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate
49701
16
2007-06-20
2020-09-11
Transparency, water, in situ, Secchi disc, feet
50624
1
2007-06-20
2020-09-11
Absorbance, 254 nm, water, filtered, absorbance units per centimeter
52686
1
2007-06-20
2020-09-11
Cylindrospermopsin, water, unfiltered, recoverable, micrograms per liter
52687
1
2007-06-20
2020-09-11
Domoic acid, water, unfiltered, recoverable, micrograms per liter
52688
1
2007-06-20
2020-09-11
Microcystin LA, water, unfiltered, recoverable, micrograms per liter
52689
1
2007-06-20
2020-09-11
Microcystin LY, water, unfiltered, recoverable, micrograms per liter
52690
1
2007-06-20
2020-09-11
Microcystin HtYR, water, unfiltered, recoverable, micrograms per liter
52691
1
2007-06-20
2020-09-11
Microcystin WR, water, unfiltered, recoverable, micrograms per liter
52692
1
2007-06-20
2020-09-11
Microcystin RR, water, unfiltered, recoverable, micrograms per liter
52693
1
2007-06-20
2020-09-11
Microcystin YR, water, unfiltered, recoverable, micrograms per liter
52694
1
2007-06-20
2020-09-11
Microcystin LF, water, unfiltered, recoverable, micrograms per liter
52695
1
2007-06-20
2020-09-11
Microcystin LW, water, unfiltered, recoverable, micrograms per liter
52696
1
2007-06-20
2020-09-11
Nodularin, water, unfiltered, recoverable, micrograms per liter
52697
1
2007-06-20
2020-09-11
Okadaic acid, water, unfiltered, recoverable, micrograms per liter
52836
1
2007-06-20
2020-09-11
Microcystin HiLR, water, unfiltered, recoverable, micrograms per liter
61726
1
2007-06-20
2020-09-11
Absorbance, UV, organic constituents, 280 nm, 1 cm path length, water, filtered, absorbance units per centimeter
62360
1
2007-06-20
2020-09-11
Pheophytin a, phytoplankton, micrograms per liter
62855
20
2007-06-20
2020-09-11
Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, analytically determined, milligrams per liter
63162
1
2007-06-20
2020-09-11
Specific UV Absorbance, 254 nm, water, filtered, 1 cm path length, calculated, liter per (milligram of dissolved organic carbon * meter)
63680
13
2007-06-20
2020-09-11
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
63686
1
2007-06-20
2020-09-11
Microcystin LR, water, unfiltered, recoverable, micrograms per liter
68287
1
2007-06-20
2020-09-11
Anatoxin-a, water, unfiltered, recoverable, micrograms per liter
68288
1
2007-06-20
2020-09-11
Geosmin, water, unfiltered, recoverable, nanograms per liter
68289
1
2007-06-20
2020-09-11
2-Methylisoborneol, water, unfiltered, recoverable, nanograms per liter
70300
1
2007-06-20
2020-09-11
Dissolved solids dried at 180 degrees Celsius, water, filtered, milligrams per liter
70301
30
2007-06-20
2020-09-11
Dissolved solids, water, filtered, sum of constituents, milligrams per liter
70303
31
2007-06-20
2020-09-11
Dissolved solids, water, filtered, short tons per acre-foot
70953
1
2007-06-20
2020-09-11
Chlorophyll a, phytoplankton, chromatographic-fluorometric method, micrograms per liter
71846
21
2007-06-20
2020-09-11
Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71851
21
2007-06-20
2020-09-11
Nitrate, water, filtered, milligrams per liter as nitrate
71856
21
2007-06-20
2020-09-11
Nitrite, water, filtered, milligrams per liter as nitrite
71870
10
2007-06-20
2020-09-11
Bromide, water, filtered, milligrams per liter
71999
7
2007-06-20
2020-09-11
Sample purpose, code
82398
7
2007-06-20
2020-09-11
Sampling method, code
84164
7
2007-06-20
2020-09-11
Sampler type, code
89003
1
2007-06-20
2020-09-11
Total saxitoxins, water, filtered (0.7 micron filter) after freeze/thaw extraction, enzyme-linked immunosorbent assay, recoverable, micrograms per liter
89004
1
2007-06-20
2020-09-11
Dissolved saxitoxins, water, filtered (0.7 micron filter), enzyme-linked immunosorbent assay, recoverable, micrograms per liter
89005
1
2007-06-20
2020-09-11
Total cylindrospermopsins, water, filtered (0.7 micron filter) after freeze/thaw extraction, enzyme-linked immunosorbent assay, recoverable, micrograms per
89006
1
2007-06-20
2020-09-11
Dissolved cylindrospermopsins, water, filtered (0.7 micron filter), enzyme-linked immunosorbent assay, recoverable, micrograms per liter
89011
1
2007-06-20
2020-09-11
Total microcystins plus nodularins, water, filtered after freeze/thaw extraction, ADDA specific enzyme-linked immunosorbent assay, recoverable, micrograms per liter
89012
1
2007-06-20
2020-09-11
Dissolved microcystins plus nodularins, water, filtered, ADDA specific enzyme-linked immunosorbent assay, recoverable, micrograms per liter
90095
31
2007-06-20
2020-09-11
Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius
94424
2
2007-06-20
2020-09-11
Dreissena polymorpha (Pallas, 1771) adults, number per square meter
94425
10
2007-06-20
2020-09-11
Dreissena polymorpha (Pallas, 1771) larvae, number per liter
94428
2
2007-06-20
2020-09-11
Zebra mussel Dreissena polymorpha (Pallas, 1771) rDNA ITS 2 gene, water, DNA based, recoverable, copies per liter
94429
5
2007-06-20
2020-09-11
Zebra mussel Dreissena polymorpha (Pallas, 1771) shell length, larvae, average, micrometers
99111
64
2007-06-20
2020-09-11
Type of quality assurance data associated with sample, code
99156
19
2007-06-20
2020-09-11
Sulfuric acid NWIS lot number, 4.5 N (1:7), 1 mL, National Field Supply Service (NFSS) stock number Q438FLD
99159
19
2007-06-20
2020-09-11
Nitric acid NWIS lot number, 7.5-7.7 N, 2 mL, National Field Supply Service (NFSS) stock number Q436FLD
99174
18
2007-06-20
2020-09-11
Sulfuric acid titrant NWIS lot number, 0.16 N, cartridge, National Field Supply Service (NFSS) stock number Q142FLD
99206
19
2007-06-20
2020-09-11
NWIS lot number, capsule filter, 0.45 micron
99988
13
2007-06-20
2020-09-11
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 