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Water Quality Samples for USA
Grouped by County

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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.
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Site Selection Results -- 49 sites found


Hydrologic unit = 10030203
Minimum number of samples = 1

Save file of selected sites to local disk for future upload

Data for individual sites can be obtained by selecting the site number below

  group icon Chouteau County, Montana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 06102050 Marias River near Loma MT 1965-06-13 2013-09-04 65
USGS 475425110393101 25N08E23DABB01 1972-08-03 1972-08-03 1
USGS 475426110401801 25N08E23CBAB01 1972-08-03 1972-08-03 1
USGS 480214111120701 26N04E03DBAC01 1976-04-15 1976-04-15 1
  group icon Glacier County, Montana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 483231112123201 32N05W11DD 01 1965-10-15 1965-10-15 1
USGS 483243112141001 32N05W10DB 01 1934-05-26 1934-05-26 1
USGS 483605112152401 33N05W21DA 01 1964-10-12 1964-10-12 1
  group icon Hill County, Montana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 482123110385301 30N08E14CABD01 1978-08-21 1978-08-21 1
USGS 483012110581701 32N14E30CBBA01 1978-08-25 1978-08-25 1
  group icon Liberty County, Montana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 06101500 Marias River near Chester MT 1964-08-12 2013-08-28 514
USGS 06101560 Pondera Coulee near Chester MT 1982-11-17 1985-04-11 9
USGS 481528110532701 29N06E24ACAD01 1975-07-24 1975-07-24 1
USGS 482423110551001 31N06E35BAAC01 1975-07-25 1975-07-25 1
USGS 483558110490001 33N07E21DADC01 1976-12-05 1976-12-05 1
USGS 483822111012601 33N05E01CDDC01 1975-07-14 1975-07-14 1
USGS 484004111011701 34N05E36ABBB01 1975-07-14 1975-07-14 2
USGS 484005111020501 34N05E35AAAB01 1975-07-14 1975-07-14 2
USGS 484055111001601 34N06E30BABB01 1976-04-12 1978-09-29 2
USGS 484057111011501 34N05E25ABBB01 1975-07-14 1975-07-14 2
USGS 484124111003901 34N05E24DAAA01 1975-07-14 1975-08-13 2
  group icon Phillips County, Montana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 482131107393601 Irrigation Return Drain (site 4) 1986-08-04 1986-08-04 1
  group icon Pondera County, Montana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 06100000 Dry Fork Marias River near Valier MT 1980-08-26 1980-08-26 1
USGS 480638111343501 27N01E11CBAB01 1976-04-14 1976-04-14 1
USGS 480825111401401 28N01W36ADBC01 1976-04-14 1976-04-14 1
USGS 480926111503201 28N02W27BADA01 1976-04-14 1976-04-14 1
USGS 480927111503501 28N02W27BADA02 1978-09-29 1978-09-29 1
USGS 481002112135001 28N05W22CA 01 1976-12-07 1976-12-07 1
USGS 481109112003501 28N03W17AABB01 1976-04-14 1976-04-14 1
USGS 481111112004101 28N03W17ABDB01 1976-04-14 1976-04-14 1
USGS 481113112005001 28N03W17ABBC01 1978-09-29 1978-09-29 1
USGS 481228112221601 28N06W03CBBC01 1976-12-07 1976-12-07 1
USGS 481527112190501 29N06W24DABA01 1977-07-01 1977-07-01 1
USGS 481645112092901 29N04W08CCD 01 1976-12-07 1976-12-07 1
USGS 482156112083401 30N04W17AAAA01 1976-12-08 1976-12-08 1
USGS 482248112063001 30N04W10ABBB01 1976-12-06 1976-12-06 1
USGS 482255112104101 30N04W06CDBB01 1976-12-06 1976-12-06 1
USGS 482346112145701 31N05W34CCCC01 1976-12-07 1976-12-07 1
  group icon Teton County, Montana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 480524112334501 27N08W13CDD 01 1977-01-18 1977-01-18 1
  group icon Toole County, Montana
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 06099500 Marias River near Shelby MT 1980-01-23 2013-08-28 388
USGS 482526111522701 31N02W21CDAC01 2014-06-25 2014-06-25 3
USGS 483033112074001 32N04W28AB 01 1964-10-16 1964-10-16 1
USGS 483431112105401 33N04W31BD 01 1965-09-23 1965-09-23 1
USGS 484758112045701 35N04W11DD 01 1965-10-22 1965-10-22 1
USGS 485027112051401 36N04W35AB 01 1965-09-24 1965-09-24 1
USGS 485131112032001 36N03W19CC 01 1965-10-21 1965-10-21 1
USGS 485612112025201 37N03W30ACC 01 1976-12-03 1976-12-03 1
USGS 485652112000901 37N03W21DB 01 1965-10-20 1965-10-20 1
USGS 485711112001401 37N03W21ACB 01 1976-12-03 1976-12-03 1
USGS 485838112040701 37N04W12DB 01 1965-10-20 1965-10-20 1