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  2026-06-11
1981-10-01  2026-06-11
2007-10-01  2026-06-11
2022-08-01  2026-06-11
2022-08-01  2026-06-11
2022-08-01  2026-06-11
2022-08-01  2026-06-11
2020-07-24  2026-06-11
2020-07-24  2026-06-11
2022-08-01  2026-06-11







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 27.1 06-11-2026   18:15 EDT
Graph of Temperature, water, degrees Celsius

Add up to 2 more sites and replot for "Temperature, water, degrees Celsius"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Discharge, cubic feet per second
Most recent instantaneous value: 90.2 06-11-2026   18:15 EDT
Graph of Discharge, cubic feet per second

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |

Daily discharge, cubic feet per second -- statistics for Jun 11 based on 104 water years of record more
Min
(1986)		 Most Recent
Instantaneous
Value Jun 11		 25th
percen-
tile		 Median 75th
percen-
tile		 Mean Max
(1989)
44.0 90.2 103 137 225 247 4120

Gage height, feet
Most recent instantaneous value: 1.69 06-11-2026   18:15 EDT
Graph of Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 456 06-11-2026   18:15 EDT
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Add up to 2 more sites and replot for "Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 5.2 06-11-2026   18:15 EDT
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

Add up to 2 more sites and replot for "Dissolved oxygen, water, unfiltered, milligrams per liter"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Dissolved oxygen, water, unfiltered, percent of saturation
Most recent instantaneous value: 65 06-11-2026   18:15 EDT
Graph of Dissolved oxygen, water, unfiltered, percent of saturation

Add up to 2 more sites and replot for "Dissolved oxygen, water, unfiltered, percent of saturation"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.3 06-11-2026   18:15 EDT
Graph of pH, water, unfiltered, field, standard units

Add up to 2 more sites and replot for "pH, water, unfiltered, field, standard units"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)
Most recent instantaneous value: 0.51 06-11-2026   18:15 EDT
Graph of Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)

Add up to 2 more sites and replot for "Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)
Most recent instantaneous value: 0.10 06-11-2026   18:15 EDT
Graph of Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)

Add up to 2 more sites and replot for "Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


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: 5.1 06-11-2026   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)

Add up to 2 more sites and replot for "Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |