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  • Notice - The USGS Water Resources Mission Area's priority is to maintain the safety and well-being of our communities, including providing critical situational awareness in times of flooding in all 50 U.S. states and additional territories. Our hydrologic monitoring stations continue to send data in near real-time to NWISWeb, and we are continuing critical water monitoring activities to protect life and property on a case-by-case basis. The health and safety of the public and our employees are our highest priorities, and we continue to follow guidance from the White House, the CDC, and state and local authorities.

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* IMPORTANT: Next Generation Station Page

USGS 422305121553803 MID-TRENCH - UPPER - MDTU


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NOTE: Computed Phycocyanin Fluoresence concentrations greater than 6,936,000 Cell/ml are outside the regression model range and are considered estimates.
Available Parameters Available Period
2007-10-01  2019-10-02
2007-10-01  2019-10-02
2007-10-01  2019-10-02
2007-10-02  2019-10-02
2015-05-20  2019-10-02


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Summary of all available data for this site
Instantaneous-data availability statement
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.