SURFACE WATER QUALITY MONITORING 



Station Location 



Responsible Agency: U.S. Geological Survey 



No. on 

 Map 



USGS 

 Station 



No. 



06178000 

 06178500 



06179000 



Station Name 



Poplar River at International Boundary 



East Poplar River at International 



Boundary 



East Poplar River near Scobey 



PARAMETERS 



Sampling Frequency 



Analytical 

 nethod ho. 1 



90410 

 01106 

 00610 

 00625 

 01000 

 01002 

 01010 

 01012 

 01020 

 01025 

 01027 

 00915 

 00680 

 00940 

 01030 

 01034 

 00060 

 00095 

 01040 

 01042 

 00061 

 00950 

 01046 

 01045 

 01049 

 01051 

 00925 

 01056 

 01055 

 01065 

 01067 

 00615 

 00630 

 00300 

 70507 

 00400 

 00665 

 00935 

 00931 

 80154 

 80155 

 01145 

 01147 

 00955 

 00930 

 00945 

 70301 

 00010 

 00020 

 00076 

 80020 

 01090 

 01092 



Alkalinity-lab 



Aluminus-diaa 



Ammonia-tot 



AmmomatOrg N-tOt 



Araenic—diaa 



Araenic-tot 



beryl lium-dies 



Beryllium-tot/rec 



Boron— diaa 



Cadmium— diaa 



Cadaiuar*Cot/rec 



Calcium 



Carbon-tot Org 



Chloride— diaa 



Chroaium-diaa 



Chromium- tot/rec 



Color 



Conductivity 



Copper— diaa 



Copper- tot /rec 



Diacbarge-inat 



Fluoride 



Iron— diaa 



Iron— tot/rec 



Lead-diaa 



Lead-tot/rec 



Magneaium-diaa 



Hanganeae— diaa 



Hanganeae— tot/rec 



Nickel-diaa 



Nickel tot/rec 



Nitrite-tot 



Nitrate+Ni trite-tot 



Oxygen— diaa 



Fhoa, Ortho-tot 



pH 



Phopboroua-tot 



Potaaeium-diaa 



SAI 



Sediment-cone. 



Sediment- load 



Selenium— diaa 



Selenium tot 



Silica 



Sodium 



Sulfate-diaa 



Total Diaaolved Solida 



Temp Water 



Temp Air 



Turbidity 



Uranium-diee 



Zinc-diaa 



Zinc-tot/rec 



Elect. Titration 



AA 



Color imetric 



Colorimetric 



AA, hydride 



AA, hydride 



AA 



AA-Peraulfate 



ICP 



AA-peraulfate 



AA 



Wet Oxidation 



Ion chromatography 



AA 



AA-peraulfate 



Electrometric, viaoal 



Wheatatone Bridge 



AA 



AA-peraulfate 



Direct meaaur. 



Electrometric 



AA 



AA-peraulfate 



AA 



AA-peraulfate 



AA 



AA 



AA-peraulfate 



AA 



AA-peraulfate 



Color laetrlx 



Colorimetr ic 



Winkler/meter 



Colorimetric 



Electrometric 



Colorimetric 



AA 



Calculated 



Pi It rat ion-gravimetric 



Calculated 



AA, hydride 



AA, hydride 



Colorimetric 



AA 



Colorimetric 



Calculated 



Toluene 



Toluene 



Nephelometric 



Fluorimetric 



AA 



AA-peraulfate 



•Computer atorage and retrieval ayatem - 0SCS 



Symbola: C-continuoua; D-daily; H-monthly; HC-monthly compoaite; A-annually 

 at high flov; SA-aemi-annually at low and high flow; AA-atomic 

 abaorption; tot-total; rec-recoverable; diaa-diaaolved 



