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USGS 04040000 ONTONAGON RIVER NEAR ROCKLAND, MI

PROVISIONAL DATA SUBJECT TO REVISION

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CONTINUOUS WATER QUALITY MONITORING FOR THIS SITE IS OPERATED SEASONALLY


The precipitation data for this station are temporary and will be displayed only for the most recent 120 days. While the instrumentation is calibrated at least annually by the National Weather Service, standard USGS quality-assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.



Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy,
with financial assistance from the USEPA Great Lakes Restoration Initiative.
This station managed by the UPPER PENINSULA FIELD OFFICE.

Available Parameters Period of Record
  
1975-10-15  2024-04-17
1942-06-01  2024-04-17
2011-07-08  2023-12-07
2011-07-08  2023-12-07
2011-07-08  2018-11-22
2011-07-08  2023-12-07







 (365)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius

Graph of DAILY Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Graph of DAILY Discharge, cubic feet per second

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Graph of DAILY Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter

Graph of DAILY Dissolved oxygen, water, unfiltered, milligrams per liter

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

Graph of DAILY Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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