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Water Quality Samples for Washington

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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
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 12448000 CHEWUCH RIVER AT WINTHROP, WA

Okanogan County, Washington
Hydrologic Unit Code 17020008
Latitude  48°28'38", Longitude 120°11'07" NAD27
Drainage area 525  square miles
Gage datum 1,736.26 feet above NGVD29
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
00010 23 2001-09-19   Temperature, water, degrees Celsius
00020 1 2001-09-19   Temperature, air, degrees Celsius
00025 1 2001-09-19   Barometric pressure, millimeters of mercury
00028 1 2001-09-19   Agency analyzing sample, code
00029 1 2001-09-19   Project number
00061 23 2001-09-19   Discharge, instantaneous, cubic feet per second
00063 1 2001-09-19   Number of sampling points, count
00065 1 2001-09-19   Gage height, feet
00070 22 2001-09-19   Turbidity, water, unfiltered, Jackson Turbidity Units
00080 22 2001-09-19   Color, water, filtered, platinum cobalt units
00095 23 2001-09-19   Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
00191 23 2001-09-19   Hydrogen ion, water, unfiltered, calculated, milligrams per liter
00300 23 2001-09-19   Dissolved oxygen, water, unfiltered, milligrams per liter
00301 1 2001-09-19   Dissolved oxygen, water, unfiltered, percent of saturation
00400 23 2001-09-19   pH, water, unfiltered, field, standard units
00403 1 2001-09-19   pH, water, unfiltered, laboratory, standard units
00405 1 2001-09-19   Carbon dioxide, water, unfiltered, milligrams per liter
00452 1 2001-09-19   Carbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00453 1 2001-09-19   Bicarbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter
00600 1 2001-09-19   Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, milligrams per liter
00602 1 2001-09-19   Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, filtered, milligrams per liter
00605 23 2001-09-19   Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00607 1 2001-09-19   Organic nitrogen, water, filtered, milligrams per liter as nitrogen
00608 1 2001-09-19   Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00610 22 2001-09-19   Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as nitrogen
00613 1 2001-09-19   Nitrite, water, filtered, milligrams per liter as nitrogen
00615 22 2001-09-19   Nitrite, water, unfiltered, milligrams per liter as nitrogen
00618 1 2001-09-19   Nitrate, water, filtered, milligrams per liter as nitrogen
00620 22 2001-09-19   Nitrate, water, unfiltered, milligrams per liter as nitrogen
00623 1 2001-09-19   Ammonia plus organic nitrogen, water, filtered, milligrams per liter as nitrogen
00625 23 2001-09-19   Ammonia plus organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00631 1 2001-09-19   Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00660 23 2001-09-19   Orthophosphate, water, filtered, milligrams per liter as PO4
00665 23 2001-09-19   Phosphorus, water, unfiltered, milligrams per liter as phosphorus
00666 1 2001-09-19   Phosphorus, water, filtered, milligrams per liter as phosphorus
00671 23 2001-09-19   Orthophosphate, water, filtered, milligrams per liter as phosphorus
00900 1 2001-09-19   Hardness, water, milligrams per liter as calcium carbonate
00915 1 2001-09-19   Calcium, water, filtered, milligrams per liter
00925 1 2001-09-19   Magnesium, water, filtered, milligrams per liter
00930 1 2001-09-19   Sodium, water, filtered, milligrams per liter
00931 1 2001-09-19   Sodium adsorption ratio (SAR), water, number
00932 1 2001-09-19   Sodium fraction of cations, water, percent in equivalents of major cations
00935 1 2001-09-19   Potassium, water, filtered, milligrams per liter
00940 1 2001-09-19   Chloride, water, filtered, milligrams per liter
00945 1 2001-09-19   Sulfate, water, filtered, milligrams per liter
00950 1 2001-09-19   Fluoride, water, filtered, milligrams per liter
00955 1 2001-09-19   Silica, water, filtered, milligrams per liter as SiO2
01000 1 2001-09-19   Arsenic, water, filtered, micrograms per liter
01030 22 2001-09-19   Chromium, water, filtered, micrograms per liter
01040 22 2001-09-19   Copper, water, filtered, micrograms per liter
01046 7 2001-09-19   Iron, water, filtered, micrograms per liter
01049 23 2001-09-19   Lead, water, filtered, micrograms per liter
01056 1 2001-09-19   Manganese, water, filtered, micrograms per liter
01090 22 2001-09-19   Zinc, water, filtered, micrograms per liter
30207 1 2001-09-19   Gage height, above datum, meters
30209 23 2001-09-19   Discharge, instantaneous, cubic meters per second
31501 20 2001-09-19   Total coliforms, M-Endo MF method, immediate, water, colony forming units per 100 milliliters
31616 20 2001-09-19   Fecal coliforms, M-FC MF (0.45 micron) method, water, colony forming units per 100 milliliters
39086 1 2001-09-19   Alkalinity, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate
50280 1 2001-09-19   Site visit purpose, code
70301 1 2001-09-19   Dissolved solids, water, filtered, sum of constituents, milligrams per liter
70302 1 2001-09-19   Dissolved solids, water, short tons per day
70303 1 2001-09-19   Dissolved solids, water, filtered, short tons per acre-foot
71845 22 2001-09-19   Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as NH4
71846 1 2001-09-19   Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71851 1 2001-09-19   Nitrate, water, filtered, milligrams per liter as nitrate
71856 1 2001-09-19   Nitrite, water, filtered, milligrams per liter as nitrite
71900 22 2001-09-19   Mercury, water, unfiltered, recoverable, micrograms per liter
71999 1 2001-09-19   Sample purpose, code
82398 1 2001-09-19   Sampling method, code
84164 1 2001-09-19   Sampler type, code
90095 1 2001-09-19   Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius
90410 1 2001-09-19   Acid neutralizing capacity, water, unfiltered, fixed endpoint (pH 4.5) titration, laboratory, milligrams per liter as calcium carbonate