USGS 01402000 Millstone River at Blackwells Mills NJ

PROVISIONAL DATA SUBJECT TO REVISION

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
  
2020-07-24  2025-07-10
1981-10-01  2025-07-10
2007-10-01  2025-07-10
2022-08-01  2025-07-10
2022-08-01  2025-07-10
2022-08-01  2025-07-10
2022-08-01  2025-07-10
2020-07-24  2025-07-10
2020-07-24  2025-07-05
2022-08-01  2025-07-10







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 28.3 07-10-2025   18:15 EDT
Graph of Temperature, water, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 209 07-10-2025   18:15 EDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 10 based on 102 water years of record more
Min
(1959)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Jul 10		 Max
(1935)
18.0 60 98 202 203 209 1480

Gage height, feet
Most recent instantaneous value: 2.05 07-10-2025   18:15 EDT
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 358 07-10-2025   18:15 EDT
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 4.5 07-10-2025   18:15 EDT
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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Dissolved oxygen, water, unfiltered, percent of saturation
Most recent instantaneous value: 58 07-10-2025   18:15 EDT
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pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.0 07-10-2025   18:15 EDT
Graph of pH, water, unfiltered, field, standard units

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Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)
Most recent instantaneous value: 0.54 07-10-2025   18:15 EDT
Graph of Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)

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Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)
Most recent instantaneous value: 0.02 07-05-2025   06:30 EDT
Graph of Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)

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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)
Most recent instantaneous value: 3.8 07-10-2025   18:15 EDT
Graph of 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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