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Water Quality Samples for Virginia

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! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
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USGS 02049500 BLACKWATER RIVER NEAR FRANKLIN, VA

Southampton County, Virginia
Hydrologic Unit Code 03010202
Latitude  36°45'45", Longitude  76°53'55" NAD27
Drainage area 613  square miles
Gage datum 0.00 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
00002 6 1993-03-18 1996-09-26 Location in cross section, distance from right bank looking upstream, percent
00009 10 1993-03-18 1996-09-26 Location in cross section, distance from left bank looking downstream, feet
00010 175 1993-03-18 1996-09-26 Temperature, water, degrees Celsius
00020 62 1993-03-18 1996-09-26 Temperature, air, degrees Celsius
00025 83 1993-03-18 1996-09-26 Barometric pressure, millimeters of mercury
00028 206 1993-03-18 1996-09-26 Agency analyzing sample, code
00041 67 1993-03-18 1996-09-26 Weather, World Meteorological Organization (WMO) code
00060 33 1993-03-18 1996-09-26 Discharge, cubic feet per second
00061 228 1993-03-18 1996-09-26 Discharge, instantaneous, cubic feet per second
00065 65 1993-03-18 1996-09-26 Gage height, feet
00070 20 1993-03-18 1996-09-26 Turbidity, water, unfiltered, Jackson Turbidity Units
00076 92 1993-03-18 1996-09-26 Turbidity, water, unfiltered, nephelometric turbidity units
00080 28 1993-03-18 1996-09-26 Color, water, filtered, platinum cobalt units
00095 188 1993-03-18 1996-09-26 Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
00191 197 1993-03-18 1996-09-26 Hydrogen ion, water, unfiltered, calculated, milligrams per liter
00300 138 1993-03-18 1996-09-26 Dissolved oxygen, water, unfiltered, milligrams per liter
00301 81 1993-03-18 1996-09-26 Dissolved oxygen, water, unfiltered, percent of saturation
00310 1 1993-03-18 1996-09-26 Biochemical oxygen demand, water, unfiltered, 5 days at 20 degrees Celsius, milligrams per liter
00335 1 1993-03-18 1996-09-26 Chemical oxygen demand, low level, water, unfiltered, milligrams per liter
00400 197 1993-03-18 1996-09-26 pH, water, unfiltered, field, standard units
00403 90 1993-03-18 1996-09-26 pH, water, unfiltered, laboratory, standard units
00405 162 1993-03-18 1996-09-26 Carbon dioxide, water, unfiltered, milligrams per liter
00410 61 1993-03-18 1996-09-26 Acid neutralizing capacity, water, unfiltered, fixed endpoint (pH 4.5) titration, field, milligrams per liter as calcium carbonate
00440 48 1993-03-18 1996-09-26 Bicarbonate, water, unfiltered, fixed endpoint (pH 4.5) titration, field, milligrams per liter
00445 20 1993-03-18 1996-09-26 Carbonate, water, unfiltered, fixed endpoint (pH 8.3) titration, field, milligrams per liter
00452 28 1993-03-18 1996-09-26 Carbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00453 52 1993-03-18 1996-09-26 Bicarbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00572 8 1993-03-18 1996-09-26 Biomass, periphyton, ash weight, grams per square meter
00573 8 1993-03-18 1996-09-26 Biomass, periphyton, dry weight, grams per square meter
00600 157 1993-03-18 1996-09-26 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, milligrams per liter
00602 53 1993-03-18 1996-09-26 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, filtered, milligrams per liter
00605 123 1993-03-18 1996-09-26 Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00607 52 1993-03-18 1996-09-26 Organic nitrogen, water, filtered, milligrams per liter as nitrogen
00608 105 1993-03-18 1996-09-26 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00610 76 1993-03-18 1996-09-26 Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as nitrogen
00613 64 1993-03-18 1996-09-26 Nitrite, water, filtered, milligrams per liter as nitrogen
00615 9 1993-03-18 1996-09-26 Nitrite, water, unfiltered, milligrams per liter as nitrogen
00618 90 1993-03-18 1996-09-26 Nitrate, water, filtered, milligrams per liter as nitrogen
00620 9 1993-03-18 1996-09-26 Nitrate, water, unfiltered, milligrams per liter as nitrogen
00623 75 1993-03-18 1996-09-26 Ammonia plus organic nitrogen, water, filtered, milligrams per liter as nitrogen
00624 43 1993-03-18 1996-09-26 Ammonia plus organic nitrogen, suspended sediment, total, milligrams per liter as nitrogen
00625 157 1993-03-18 1996-09-26 Ammonia plus organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00630 89 1993-03-18 1996-09-26 Nitrate plus nitrite, water, unfiltered, milligrams per liter as nitrogen
00631 106 1993-03-18 1996-09-26 Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00650 14 1993-03-18 1996-09-26 Phosphate, water, unfiltered, milligrams per liter as PO4
00660 82 1993-03-18 1996-09-26 Orthophosphate, water, filtered, milligrams per liter as PO4
00665 161 1993-03-18 1996-09-26 Phosphorus, water, unfiltered, milligrams per liter as phosphorus
00666 127 1993-03-18 1996-09-26 Phosphorus, water, filtered, milligrams per liter as phosphorus
00671 82 1993-03-18 1996-09-26 Orthophosphate, water, filtered, milligrams per liter as phosphorus
00680 46 1993-03-18 1996-09-26 Organic carbon, water, unfiltered, milligrams per liter
00681 40 1993-03-18 1996-09-26 Organic carbon, water, filtered, milligrams per liter
00689 37 1993-03-18 1996-09-26 Organic carbon, suspended sediment, total, milligrams per liter
00900 164 1993-03-18 1996-09-26 Hardness, water, milligrams per liter as calcium carbonate
00902 86 1993-03-18 1996-09-26 Noncarbonate hardness, water, unfiltered, field, milligrams per liter as calcium carbonate
00904 50 1993-03-18 1996-09-26 Noncarbonate hardness, water, filtered, field, milligrams per liter as calcium carbonate
00915 164 1993-03-18 1996-09-26 Calcium, water, filtered, milligrams per liter
00925 164 1993-03-18 1996-09-26 Magnesium, water, filtered, milligrams per liter
00930 163 1993-03-18 1996-09-26 Sodium, water, filtered, milligrams per liter
00931 163 1993-03-18 1996-09-26 Sodium adsorption ratio (SAR), water, number
00932 146 1993-03-18 1996-09-26 Sodium fraction of cations, water, percent in equivalents of major cations
00933 9 1993-03-18 1996-09-26 Sodium plus potassium, water, filtered, milligrams per liter as sodium
00935 146 1993-03-18 1996-09-26 Potassium, water, filtered, milligrams per liter
00940 164 1993-03-18 1996-09-26 Chloride, water, filtered, milligrams per liter
00945 164 1993-03-18 1996-09-26 Sulfate, water, filtered, milligrams per liter
00950 157 1993-03-18 1996-09-26 Fluoride, water, filtered, milligrams per liter
00955 163 1993-03-18 1996-09-26 Silica, water, filtered, milligrams per liter as SiO2
01000 68 1993-03-18 1996-09-26 Arsenic, water, filtered, micrograms per liter
01001 24 1993-03-18 1996-09-26 Arsenic, suspended sediment, total, micrograms per liter
01002 29 1993-03-18 1996-09-26 Arsenic, water, unfiltered, micrograms per liter
01005 69 1993-03-18 1996-09-26 Barium, water, filtered, micrograms per liter
01006 18 1993-03-18 1996-09-26 Barium, suspended sediment, recoverable, micrograms per liter
01007 20 1993-03-18 1996-09-26 Barium, water, unfiltered, recoverable, micrograms per liter
01010 35 1993-03-18 1996-09-26 Beryllium, water, filtered, micrograms per liter
01025 66 1993-03-18 1996-09-26 Cadmium, water, filtered, micrograms per liter
01026 23 1993-03-18 1996-09-26 Cadmium, suspended sediment, recoverable, micrograms per liter
01027 29 1993-03-18 1996-09-26 Cadmium, water, unfiltered, micrograms per liter
01030 68 1993-03-18 1996-09-26 Chromium, water, filtered, micrograms per liter
01031 25 1993-03-18 1996-09-26 Chromium, suspended sediment, recoverable, micrograms per liter
01034 30 1993-03-18 1996-09-26 Chromium, water, unfiltered, recoverable, micrograms per liter
01035 80 1993-03-18 1996-09-26 Cobalt, water, filtered, micrograms per liter
01036 26 1993-03-18 1996-09-26 Cobalt, suspended sediment, recoverable, micrograms per liter
01037 30 1993-03-18 1996-09-26 Cobalt, water, unfiltered, recoverable, micrograms per liter
01040 68 1993-03-18 1996-09-26 Copper, water, filtered, micrograms per liter
01041 28 1993-03-18 1996-09-26 Copper, suspended sediment, recoverable, micrograms per liter
01042 30 1993-03-18 1996-09-26 Copper, water, unfiltered, recoverable, micrograms per liter
01044 17 1993-03-18 1996-09-26 Iron, suspended sediment, recoverable, micrograms per liter
01045 30 1993-03-18 1996-09-26 Iron, water, unfiltered, recoverable, micrograms per liter
01046 106 1993-03-18 1996-09-26 Iron, water, filtered, micrograms per liter
01049 67 1993-03-18 1996-09-26 Lead, water, filtered, micrograms per liter
01050 25 1993-03-18 1996-09-26 Lead, suspended sediment, recoverable, micrograms per liter
01051 29 1993-03-18 1996-09-26 Lead, water, unfiltered, recoverable, micrograms per liter
01054 29 1993-03-18 1996-09-26 Manganese, suspended sediment, recoverable, micrograms per liter
01055 30 1993-03-18 1996-09-26 Manganese, water, unfiltered, recoverable, micrograms per liter
01056 104 1993-03-18 1996-09-26 Manganese, water, filtered, micrograms per liter
01060 47 1993-03-18 1996-09-26 Molybdenum, water, filtered, micrograms per liter
01065 59 1993-03-18 1996-09-26 Nickel, water, filtered, micrograms per liter
01066 12 1993-03-18 1996-09-26 Nickel, suspended sediment, recoverable, micrograms per liter
01067 12 1993-03-18 1996-09-26 Nickel, water, unfiltered, recoverable, micrograms per liter
01075 69 1993-03-18 1996-09-26 Silver, water, filtered, micrograms per liter
01076 14 1993-03-18 1996-09-26 Silver, suspended sediment, recoverable, micrograms per liter
01077 24 1993-03-18 1996-09-26 Silver, water, unfiltered, recoverable, micrograms per liter
01080 47 1993-03-18 1996-09-26 Strontium, water, filtered, micrograms per liter
01085 47 1993-03-18 1996-09-26 Vanadium, water, filtered, micrograms per liter
01090 67 1993-03-18 1996-09-26 Zinc, water, filtered, micrograms per liter
01091 28 1993-03-18 1996-09-26 Zinc, suspended sediment, recoverable, micrograms per liter
01092 30 1993-03-18 1996-09-26 Zinc, water, unfiltered, recoverable, micrograms per liter
01106 47 1993-03-18 1996-09-26 Aluminum, water, filtered, micrograms per liter
01130 47 1993-03-18 1996-09-26 Lithium, water, filtered, micrograms per liter
01145 80 1993-03-18 1996-09-26 Selenium, water, filtered, micrograms per liter
01146 22 1993-03-18 1996-09-26 Selenium, suspended sediment, total, micrograms per liter
01147 28 1993-03-18 1996-09-26 Selenium, water, unfiltered, micrograms per liter
01350 2 1993-03-18 1996-09-26 Turbidity, severity, code
30207 65 1993-03-18 1996-09-26 Gage height, above datum, meters
30208 33 1993-03-18 1996-09-26 Discharge, cubic meters per second
30209 228 1993-03-18 1996-09-26 Discharge, instantaneous, cubic meters per second
31501 24 1993-03-18 1996-09-26 Total coliforms, M-Endo MF method, immediate, water, colony forming units per 100 milliliters
31616 25 1993-03-18 1996-09-26 Fecal coliforms, M-FC MF (0.45 micron) method, water, colony forming units per 100 milliliters
31625 118 1993-03-18 1996-09-26 Fecal coliforms, M-FC MF (0.7 micron) method, water, colony forming units per 100 milliliters
31633 2 1993-03-18 1996-09-26 Escherichia coli, m-TEC MF method, water, colony forming units per 100 milliliters
31673 118 1993-03-18 1996-09-26 Fecal streptococci, KF streptococcus MF method, water, colony forming units per 100 milliliters
31679 23 1993-03-18 1996-09-26 Fecal streptococci, m-Enterococcus MF method, water, colonies per 100 milliliters
32226 2 1993-03-18 1996-09-26 Chlorophyll b, periphyton, spectrophotometric method, uncorrected, milligrams per square meter
32228 2 1993-03-18 1996-09-26 Chlorophyll a, periphyton, spectrophotometric method, uncorrected, milligrams per square meter
32230 5 1993-03-18 1996-09-26 Chlorophyll a, phytoplankton, spectrophotometric method, uncorrected, micrograms per liter
32231 5 1993-03-18 1996-09-26 Chlorophyll b, phytoplankton, spectrophotometric method, micrograms per liter
39025 12 1993-03-18 1996-09-26 Simazine, water, unfiltered, coulson conductivity, recoverable, micrograms per liter
39034 2 1993-03-18 1996-09-26 p,p'-Ethyl-DDD, water, unfiltered, recoverable, micrograms per liter
39046 4 1993-03-18 1996-09-26 Simazine, bed sediment, recoverable, dry weight, micrograms per kilogram
39086 52 1993-03-18 1996-09-26 Alkalinity, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate
39250 2 1993-03-18 1996-09-26 Polychlorinated naphthalenes, water, unfiltered, recoverable, micrograms per liter
39251 2 1993-03-18 1996-09-26 Polychlorinated naphthalenes, bed sediment, recoverable, dry weight, micrograms per kilogram
39301 4 1993-03-18 1996-09-26 p,p'-DDT, bed sediment, recoverable, dry weight, micrograms per kilogram
39306 2 1993-03-18 1996-09-26 o,p'-DDT, bed sediment, recoverable, dry weight, micrograms per kilogram
39311 6 1993-03-18 1996-09-26 p,p'-DDD, bed sediment, recoverable, dry weight, micrograms per kilogram
39321 5 1993-03-18 1996-09-26 p,p'-DDE, bed sediment, recoverable, dry weight, micrograms per kilogram
39330 32 1993-03-18 1996-09-26 Aldrin, water, unfiltered, recoverable, micrograms per liter
39333 13 1993-03-18 1996-09-26 Aldrin, bed sediment, recoverable, dry weight, micrograms per kilogram
39340 32 1993-03-18 1996-09-26 Lindane, water, unfiltered, recoverable, micrograms per liter
39343 13 1993-03-18 1996-09-26 Lindane, bed sediment, recoverable, dry weight, micrograms per kilogram
39350 32 1993-03-18 1996-09-26 Chlordane (technical), water, unfiltered, recoverable, micrograms per liter
39351 13 1993-03-18 1996-09-26 Chlordane (technical), bed sediment, recoverable, dry weight, micrograms per kilogram
39360 32 1993-03-18 1996-09-26 p,p'-DDD, water, unfiltered, recoverable, micrograms per liter
39363 7 1993-03-18 1996-09-26 p,p'-DDD, bed sediment, recoverable, dry weight, micrograms per kilogram
39365 32 1993-03-18 1996-09-26 p,p'-DDE, water, unfiltered, recoverable, micrograms per liter
39368 8 1993-03-18 1996-09-26 p,p'-DDE, bed sediment, recoverable, dry weight, micrograms per kilogram
39370 32 1993-03-18 1996-09-26 p,p'-DDT, water, unfiltered, recoverable, micrograms per liter
39373 8 1993-03-18 1996-09-26 p,p'-DDT, bed sediment, recoverable, dry weight, micrograms per kilogram
39380 32 1993-03-18 1996-09-26 Dieldrin, water, unfiltered, recoverable, micrograms per liter
39383 12 1993-03-18 1996-09-26 Dieldrin, bed sediment, recoverable, dry weight, micrograms per kilogram
39388 2 1993-03-18 1996-09-26 alpha-Endosulfan, water, unfiltered, recoverable, micrograms per liter
39389 2 1993-03-18 1996-09-26 alpha-Endosulfan, bed sediment, recoverable, dry weight, micrograms per kilogram
39390 32 1993-03-18 1996-09-26 Endrin, water, unfiltered, recoverable, micrograms per liter
39393 12 1993-03-18 1996-09-26 Endrin, bed sediment, recoverable, dry weight, micrograms per kilogram
39398 31 1993-03-18 1996-09-26 Ethion, water, unfiltered, recoverable, micrograms per liter
39399 11 1993-03-18 1996-09-26 Ethion, bed sediment, recoverable, dry weight, micrograms per kilogram
39400 32 1993-03-18 1996-09-26 Toxaphene, water, unfiltered, recoverable, micrograms per liter
39403 13 1993-03-18 1996-09-26 Toxaphene, bed sediment, recoverable, dry weight, micrograms per kilogram
39410 32 1993-03-18 1996-09-26 Heptachlor, water, unfiltered, recoverable, micrograms per liter
39413 12 1993-03-18 1996-09-26 Heptachlor, bed sediment, recoverable, dry weight, micrograms per kilogram
39420 32 1993-03-18 1996-09-26 Heptachlor epoxide, water, unfiltered, recoverable, micrograms per liter
39423 13 1993-03-18 1996-09-26 Heptachlor epoxide, bed sediment, recoverable, dry weight, micrograms per kilogram
39480 32 1993-03-18 1996-09-26 p,p'-Methoxychlor, water, unfiltered, recoverable, micrograms per liter
39481 13 1993-03-18 1996-09-26 p,p'-Methoxychlor, bed sediment, recoverable, dry weight, micrograms per kilogram
39516 17 1993-03-18 1996-09-26 PCBs, water, unfiltered, recoverable, micrograms per liter
39519 7 1993-03-18 1996-09-26 PCBs, bed sediment, recoverable, dry weight, micrograms per kilogram
39530 31 1993-03-18 1996-09-26 Malathion, water, unfiltered, recoverable, micrograms per liter
39531 11 1993-03-18 1996-09-26 Malathion, bed sediment, recoverable, dry weight, micrograms per kilogram
39540 31 1993-03-18 1996-09-26 Parathion, water, unfiltered, recoverable, micrograms per liter
39541 11 1993-03-18 1996-09-26 Parathion, bed sediment, recoverable, dry weight, micrograms per kilogram
39570 31 1993-03-18 1996-09-26 Diazinon, water, unfiltered, recoverable, micrograms per liter
39571 11 1993-03-18 1996-09-26 Diazinon, bed sediment, recoverable, dry weight, micrograms per kilogram
39600 31 1993-03-18 1996-09-26 Methyl parathion, water, unfiltered, recoverable, micrograms per liter
39601 11 1993-03-18 1996-09-26 Methyl parathion, bed sediment, recoverable, dry weight, micrograms per kilogram
39630 17 1993-03-18 1996-09-26 Atrazine, water, unfiltered, recoverable, micrograms per liter
39631 4 1993-03-18 1996-09-26 Atrazine, bed sediment, recoverable, dry weight, micrograms per kilogram
39730 19 1993-03-18 1996-09-26 2,4-D, water, unfiltered, recoverable, micrograms per liter
39731 5 1993-03-18 1996-09-26 2,4-D, bed sediment, recoverable, dry weight, micrograms per kilogram
39740 19 1993-03-18 1996-09-26 2,4,5-T, water, unfiltered, recoverable, micrograms per liter
39741 5 1993-03-18 1996-09-26 2,4,5-T, bed sediment, recoverable, dry weight, micrograms per kilogram
39755 2 1993-03-18 1996-09-26 Mirex, water, unfiltered, recoverable, micrograms per liter
39758 2 1993-03-18 1996-09-26 Mirex, bed sediment, recoverable, dry weight, micrograms per kilogram
39760 19 1993-03-18 1996-09-26 Silvex, water, unfiltered, recoverable, micrograms per liter
39761 5 1993-03-18 1996-09-26 Silvex, bed sediment, recoverable, dry weight, micrograms per kilogram
39786 31 1993-03-18 1996-09-26 Carbophenothion, water, unfiltered, recoverable, micrograms per liter
39787 11 1993-03-18 1996-09-26 Carbophenothion, bed sediment, recoverable, dry weight, micrograms per kilogram
39790 31 1993-03-18 1996-09-26 Methyl trithion, water, unfiltered, recoverable, micrograms per liter
39791 11 1993-03-18 1996-09-26 Methyl trithion, bed sediment, dry weight, recoverable, dry weight, micrograms per kilogram
49237 1 1993-03-18 1996-09-26 Aluminum, biota, tissue, recoverable, dry weight, milligrams per kilogram
49238 1 1993-03-18 1996-09-26 Barium, biota, tissue, recoverable, dry weight, milligrams per kilogram
49239 1 1993-03-18 1996-09-26 Boron, biota, tissue, recoverable, dry weight, milligrams per kilogram
49240 1 1993-03-18 1996-09-26 Chromium, biota, tissue, recoverable, dry weight, milligrams per kilogram
49241 1 1993-03-18 1996-09-26 Copper, biota, tissue, recoverable, dry weight, milligrams per kilogram
49242 1 1993-03-18 1996-09-26 Iron, biota, tissue, recoverable, dry weight, milligrams per kilogram
49243 1 1993-03-18 1996-09-26 Manganese, biota, tissue, recoverable, dry weight, milligrams per kilogram
49244 1 1993-03-18 1996-09-26 Strontium, biota, tissue, recoverable, dry weight, milligrams per kilogram
49245 1 1993-03-18 1996-09-26 Zinc, biota, tissue, recoverable, dry weight, milligrams per kilogram
49246 1 1993-03-18 1996-09-26 Antimony, biota, tissue, recoverable, dry weight, milligrams per kilogram
49247 1 1993-03-18 1996-09-26 Arsenic, biota, tissue, recoverable, dry weight, milligrams per kilogram
49248 1 1993-03-18 1996-09-26 Beryllium, biota, tissue, recoverable, dry weight, milligrams per kilogram
49249 1 1993-03-18 1996-09-26 Cadmium, biota, tissue, recoverable, dry weight, milligrams per kilogram
49250 1 1993-03-18 1996-09-26 Cobalt, biota, tissue, recoverable, dry weight, milligrams per kilogram
49251 1 1993-03-18 1996-09-26 Lead, biota, tissue, recoverable, dry weight, milligrams per kilogram
49252 1 1993-03-18 1996-09-26 Molybdenum, biota, tissue, recoverable, dry weight, milligrams per kilogram
49253 1 1993-03-18 1996-09-26 Nickel, biota, tissue, recoverable, dry weight, milligrams per kilogram
49254 1 1993-03-18 1996-09-26 Selenium, biota, tissue, recoverable, dry weight, milligrams per kilogram
49255 1 1993-03-18 1996-09-26 Silver, biota, tissue, recoverable, dry weight, milligrams per kilogram
49257 1 1993-03-18 1996-09-26 Uranium, biota, tissue, recoverable, dry weight, milligrams per kilogram
49258 1 1993-03-18 1996-09-26 Mercury, biota, tissue, recoverable, dry weight, milligrams per kilogram
49261 1 1993-03-18 1996-09-26 alpha-HCH-d6, surrogate, biota, whole organism, percent recovery
49264 1 1993-03-18 1996-09-26 PCB congener 14, surrogate, biota, whole organism, percent recovery
49273 1 1993-03-18 1996-09-26 Moisture content, biota, tissue, dry weight, percent
49289 1 1993-03-18 1996-09-26 Lipids, biota, whole organism, wet weight, recoverable, percent
49353 1 1993-03-18 1996-09-26 Aldrin, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49354 1 1993-03-18 1996-09-26 PCBs, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49355 1 1993-03-18 1996-09-26 Toxaphene, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49356 1 1993-03-18 1996-09-26 Pentachloroanisole, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49357 1 1993-03-18 1996-09-26 Oxychlordane, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49358 1 1993-03-18 1996-09-26 trans-Nonachlor, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49359 1 1993-03-18 1996-09-26 cis-Nonachlor, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49360 1 1993-03-18 1996-09-26 Mirex, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49361 1 1993-03-18 1996-09-26 p,p'-Methoxychlor, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49362 1 1993-03-18 1996-09-26 o,p'-Methoxychlor, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49363 1 1993-03-18 1996-09-26 Lindane, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49364 1 1993-03-18 1996-09-26 delta-HCH, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49365 1 1993-03-18 1996-09-26 beta-HCH, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49366 1 1993-03-18 1996-09-26 alpha-HCH, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49367 1 1993-03-18 1996-09-26 Hexachlorobenzene, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49368 1 1993-03-18 1996-09-26 Heptachlor epoxide, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49369 1 1993-03-18 1996-09-26 Heptachlor, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49370 1 1993-03-18 1996-09-26 Endrin, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49371 1 1993-03-18 1996-09-26 Dieldrin, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49372 1 1993-03-18 1996-09-26 p,p'-DDE, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49373 1 1993-03-18 1996-09-26 o,p'-DDE, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49374 1 1993-03-18 1996-09-26 o,p'-DDD, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49375 1 1993-03-18 1996-09-26 p,p'-DDD, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49376 1 1993-03-18 1996-09-26 p,p'-DDT, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49377 1 1993-03-18 1996-09-26 o,p'-DDT, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49378 1 1993-03-18 1996-09-26 Dimethyl tetrachloroterephthalate (DCPA), biota, whole organism, recoverable, wet weight, micrograms per kilogram
49379 1 1993-03-18 1996-09-26 trans-Chlordane, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49380 1 1993-03-18 1996-09-26 cis-Chlordane, biota, whole organism, recoverable, wet weight, micrograms per kilogram
49465 1 1993-03-18 1996-09-26 Vanadium, biota, tissue, recoverable, dry weight, milligrams per kilogram
49954 8 1993-03-18 1996-09-26 Biomass, periphyton, ash free dry mass, grams per square meter
50280 28 1993-03-18 1996-09-26 Site visit purpose, code
60050 55 1993-03-18 1996-09-26 Phytoplankton, total, cells per milliliter
70300 156 1993-03-18 1996-09-26 Dissolved solids dried at 180 degrees Celsius, water, filtered, milligrams per liter
70301 146 1993-03-18 1996-09-26 Dissolved solids, water, filtered, sum of constituents, milligrams per liter
70302 139 1993-03-18 1996-09-26 Dissolved solids, water, short tons per day
70303 159 1993-03-18 1996-09-26 Dissolved solids, water, filtered, short tons per acre-foot
70331 159 1993-03-18 1996-09-26 Suspended sediment, sieve diameter, percent smaller than 0.0625 millimeters
70507 9 1993-03-18 1996-09-26 Orthophosphate, water, unfiltered, milligrams per liter as phosphorus
70950 5 1993-03-18 1996-09-26 Biomass to chlorophyll ratio, periphyton, number
70953 1 1993-03-18 1996-09-26 Chlorophyll a, phytoplankton, chromatographic-fluorometric method, micrograms per liter
70954 1 1993-03-18 1996-09-26 Chlorophyll b, phytoplankton, chromatographic-fluorometric method, micrograms per liter
70957 6 1993-03-18 1996-09-26 Chlorophyll a, periphyton, chromatographic-fluorometric method, milligrams per square meter
70958 6 1993-03-18 1996-09-26 Chlorophyll b, periphyton, chromatographic-fluorometric method, milligrams per square meter
71845 76 1993-03-18 1996-09-26 Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as NH4
71846 105 1993-03-18 1996-09-26 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71851 90 1993-03-18 1996-09-26 Nitrate, water, filtered, milligrams per liter as nitrate
71856 64 1993-03-18 1996-09-26 Nitrite, water, filtered, milligrams per liter as nitrite
71885 25 1993-03-18 1996-09-26 Iron, water, unfiltered, micrograms per liter
71886 44 1993-03-18 1996-09-26 Phosphorus, water, unfiltered, milligrams per liter as PO4
71887 85 1993-03-18 1996-09-26 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, milligrams per liter as nitrate
71890 68 1993-03-18 1996-09-26 Mercury, water, filtered, micrograms per liter
71895 21 1993-03-18 1996-09-26 Mercury, suspended sediment, recoverable, micrograms per liter
71900 29 1993-03-18 1996-09-26 Mercury, water, unfiltered, recoverable, micrograms per liter
71999 39 1993-03-18 1996-09-26 Sample purpose, code
80154 165 1993-03-18 1996-09-26 Suspended sediment concentration, milligrams per liter
80155 155 1993-03-18 1996-09-26 Suspended sediment discharge, short tons per day
81886 2 1993-03-18 1996-09-26 p,p'-Ethyl-DDD, bed sediment, recoverable, dry weight, micrograms per kilogram
82068 7 1993-03-18 1996-09-26 Potassium-40, water, filtered, picocuries per liter
82183 1 1993-03-18 1996-09-26 Dichlorprop, water, unfiltered, recoverable, micrograms per liter
82398 101 1993-03-18 1996-09-26 Sampling method, code
84164 37 1993-03-18 1996-09-26 Sampler type, code
90095 90 1993-03-18 1996-09-26 Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius
90410 90 1993-03-18 1996-09-26 Acid neutralizing capacity, water, unfiltered, fixed endpoint (pH 4.5) titration, laboratory, milligrams per liter as calcium carbonate
90854 1 1993-03-18 1996-09-26 DDT plus degradates, biota, whole organism, minimum summation, wet weight, micrograms per kilogram
90865 1 1993-03-18 1996-09-26 DDT plus degradates, biota, whole organism, wet weight, maximum summation, micrograms per kilogram
90866 1 1993-03-18 1996-09-26 Chlordane plus degradates, biota, whole organism, maximum summation, wet weight, micrograms per kilogram
95100 56 1993-03-18 1996-09-26 Conversion factor, number
95200 56 1993-03-18 1996-09-26 Total cell count, water, cells per milliliter
95902 16 1993-03-18 1996-09-26 Noncarbonate hardness, water, milligrams per liter as calcium carbonate
96012 1 1993-03-18 1996-09-26 CHLAMYDOMONADACEAE (3) USGS,ACL-74
96014 27 1993-03-18 1996-09-26 CHLAMYDOMONAS (4) USGS,ACL-74
96036 1 1993-03-18 1996-09-26 EUDORINA (4) USGS,ACL-74
96037 2 1993-03-18 1996-09-26 GONIUM (4) USGS,ACL-74
96038 1 1993-03-18 1996-09-26 PANDORINA (4) USGS,ACL-74
96063 1 1993-03-18 1996-09-26 GLOEOCYSTIS (4) USGS,ACL-74
96067 3 1993-03-18 1996-09-26 SPHAEROCYSTIS (4) USGS,ACL-74
96086 2 1993-03-18 1996-09-26 ELAKATOTHRIX (4) USGS,ACL-74
96190 3 1993-03-18 1996-09-26 SCHROEDERIA (4) USGS,ACL-74
96197 8 1993-03-18 1996-09-26 PEDIASTRUM (4) USGS,ACL-74
96200 3 1993-03-18 1996-09-26 COELASTRUM (4) USGS,ACL-74
96201 1 1993-03-18 1996-09-26 OOCYSTACEAE (3) USGS,ACL-74
96202 32 1993-03-18 1996-09-26 ANKISTRODESMUS (4) USGS,ACL-74
96206 1 1993-03-18 1996-09-26 CLOSTERIDIUM (4) USGS,ACL-74
96207 2 1993-03-18 1996-09-26 CLOSTERIOPSIS (4) USGS,ACL-74
96209 15 1993-03-18 1996-09-26 DICTYOSPHAERIUM (4) USGS,ACL-74
96215 12 1993-03-18 1996-09-26 KIRCHNERIELLA (4) USGS,ACL-74
96218 6 1993-03-18 1996-09-26 OOCYSTIS (4) USGS,ACL-74
96222 2 1993-03-18 1996-09-26 POLYEDRIOPSIS (4) USGS,ACL-74
96225 7 1993-03-18 1996-09-26 SELENASTRUM (4) USGS,ACL-74
96226 4 1993-03-18 1996-09-26 TETRAEDRON (4) USGS,ACL-74
96227 2 1993-03-18 1996-09-26 TREUBARIA (4) USGS,ACL-74
96229 2 1993-03-18 1996-09-26 WESTELLA (4) USGS,ACL-74
96230 3 1993-03-18 1996-09-26 CHODATELLA (4) USGS,ACL-74
96238 4 1993-03-18 1996-09-26 ACTINASTRUM (4) USGS,ACL-74
96240 10 1993-03-18 1996-09-26 CRUCIGENIA (4) USGS,ACL-74
96243 32 1993-03-18 1996-09-26 SCENEDESMUS (4) USGS,ACL-74
96245 5 1993-03-18 1996-09-26 TETRASTRUM (4) USGS,ACL-74
96247 1 1993-03-18 1996-09-26 TETRALLANTOS (4) USGS,ACL-74
96252 5 1993-03-18 1996-09-26 GOLENKINIA (4) USGS,ACL-74
96254 5 1993-03-18 1996-09-26 MICRACTINIUM (4) USGS,ACL-74
96294 1 1993-03-18 1996-09-26 MOUGEOTIA (4) USGS,ACL-74
96312 4 1993-03-18 1996-09-26 CLOSTERIUM (4) USGS,ACL-74
96313 3 1993-03-18 1996-09-26 COSMARIUM (4) USGS,ACL-74
96326 1 1993-03-18 1996-09-26 SPONDYLOSIUM (4) USGS,ACL-74
96327 3 1993-03-18 1996-09-26 STAURASTRUM (4) USGS,ACL-74
96387 15 1993-03-18 1996-09-26 EUGLENA (4) USGS,ACL-74
96389 1 1993-03-18 1996-09-26 LEPOCINCLIS (4) USGS,ACL-74
96390 8 1993-03-18 1996-09-26 PHACUS (4) USGS,ACL-74
96391 1 1993-03-18 1996-09-26 CRYPTOGLENA (4) USGS,ACL-76
96392 24 1993-03-18 1996-09-26 TRACHELOMONAS (4) USGS,ACL-74
96413 3 1993-03-18 1996-09-26 CHROOMONAS (4) USGS,ACL-74
96416 7 1993-03-18 1996-09-26 CRYPTOMONAS (4) USGS,ACL-74
96426 4 1993-03-18 1996-09-26 CHROOMONAS (4) USGS,ACL-74 -96413
96430 6 1993-03-18 1996-09-26 CRYPTOMONAS (4) USGS,ACL-74 -96416
96454 1 1993-03-18 1996-09-26 GYMNODINIUM (4) USGS,ACL-74
96484 6 1993-03-18 1996-09-26 GLENODINIUM (4) USGS,ACL-74
96487 1 1993-03-18 1996-09-26 PERIDINIUM (4) USGS,ACL-74
96543 3 1993-03-18 1996-09-26 CENTRITRACTUS (4) USGS,ACL-74
96558 4 1993-03-18 1996-09-26 OPHIOCYTIUM (4) USGS,ACL-74
96587 3 1993-03-18 1996-09-26 CHRYSOCOCCUS (4) USGS,ACL-74
96595 10 1993-03-18 1996-09-26 MALLOMONAS (4) USGS,ACL-74
96600 2 1993-03-18 1996-09-26 SYNURA (4) USGS,ACL-74
96605 6 1993-03-18 1996-09-26 DINOBRYON (4) USGS,ACL-74
96608 3 1993-03-18 1996-09-26 OCHROMONAS (4) USGS,ACL-74
96706 21 1993-03-18 1996-09-26 CYCLOTELLA (4) USGS,ACL-74
96707 15 1993-03-18 1996-09-26 MELOSIRA (4) USGS,ACL-74
96756 4 1993-03-18 1996-09-26 MERIDION (4) USGS,ACL-74
96759 1 1993-03-18 1996-09-26 DIATOMA (4) USGS,ACL-74
96764 2 1993-03-18 1996-09-26 FRAGILARIA (4) USGS,ACL-74
96765 12 1993-03-18 1996-09-26 SYNEDRA (4) USGS,ACL-74
96766 1 1993-03-18 1996-09-26 HANNAEA (4) USGS,ACL-77
96775 4 1993-03-18 1996-09-26 EUNOTIA (4) USGS,ACL-74
96777 6 1993-03-18 1996-09-26 ACHNANTHES (4) USGS,ACL-74
96778 3 1993-03-18 1996-09-26 COCCONEIS (4) USGS,ACL-74
96789 1 1993-03-18 1996-09-26 GYROSIGMA (4) USGS,ACL-74
96791 21 1993-03-18 1996-09-26 NAVICULA (4) USGS,ACL-74
96793 3 1993-03-18 1996-09-26 PINNULARIA (4) USGS,ACL-74
96795 1 1993-03-18 1996-09-26 STAURONEIS (4) USGS,ACL-74
96802 9 1993-03-18 1996-09-26 GOMPHONEMA (4) USGS,ACL-74
96805 2 1993-03-18 1996-09-26 AMPHORA (4) USGS,ACL-74
96806 4 1993-03-18 1996-09-26 CYMBELLA (4) USGS,ACL-74
96812 31 1993-03-18 1996-09-26 NITZSCHIA (4) USGS,ACL-74
96817 1 1993-03-18 1996-09-26 SURIRELLA (4) USGS,ACL-74
98075 3 1993-03-18 1996-09-26 GOMPHOSPHAERIA (4) KUETZ. ,1836
98082 27 1993-03-18 1996-09-26 ANACYSTIS (4) MENEGH,1837 -98066
98090 8 1993-03-18 1996-09-26 AGMENELLUM (4) BREB. ,1839
98093 1 1993-03-18 1996-09-26 COCCOCHLORIS (4) SPRENG,1827
98131 4 1993-03-18 1996-09-26 LYNGBYA (4) AGARD' ,1824
98136 11 1993-03-18 1996-09-26 OSCILLATORIA (4) VAUCHER,1803
98142 2 1993-03-18 1996-09-26 PHORMIDIUM (4) KEUTZ,1843
98150 1 1993-03-18 1996-09-26 SCHIZOTHRIX (4) KUETZ. ,1843
98165 5 1993-03-18 1996-09-26 ANABAENA (4) USGS,ACL-74
98194 2 1993-03-18 1996-09-26 RAPHIDIOPSIS (4) USGS,ACL-75
99111 2 1993-03-18 1996-09-26 Type of quality assurance data associated with sample, code
99430 8 1993-03-18 1996-09-26 Carbonate, water, unfiltered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate
99440 8 1993-03-18 1996-09-26 Bicarbonate, water, unfiltered, inflection-point titration method (incremental titration method), field, milligrams per liter
99445 8 1993-03-18 1996-09-26 Carbonate, water, unfiltered, inflection-point titration method (incremental titration method), field, milligrams per liter
99822 1 1993-03-18 1996-09-26 Set number, NWQL schedule 2101
99849 1 1993-03-18 1996-09-26 Analytical reference number, NWQL schedule 2101
99852 1 1993-03-18 1996-09-26 Sample weight, NWQL schedule 2101, grams
99890 3 1993-03-18 1996-09-26 Sulfate, water, filtered, uncorrected, milligrams per liter
99891 1 1993-03-18 1996-09-26 Phosphorus, water, unfiltered, modified jirka method, milligrams per liter as phosphorus
99892 1 1993-03-18 1996-09-26 Ammonia plus organic nitrogen, water, unfiltered, modified jirka method, milligrams per liter as nitrogen
99893 1 1993-03-18 1996-09-26 Phosphorus, water, filtered, modified jirka method, milligrams per liter as phosphorus
99894 1 1993-03-18 1996-09-26 Ammonia plus organic nitrogen, water, filtered, modified jirka method, milligrams per liter as nitrogen