Manalapan Brook at Bridge Street at Spotswood NJ - 01405440
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Available data
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Learn about the data collection categories Continuous data
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Daily data
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Field measurements
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Discrete sample data
127 Observed properties (data types) available - with data from 1979-02-14 to 2008-06-17
82 Sampling activities
Discrete sample data are derived from manual field collection and laboratory analysis of physically collected samples collected during a visit to the monitoring location.
The table below summarizes the discrete field and laboratory sample results that have been collected at this monitoring location. The sample results can be downloaded from the Download Discrete Sample Data page or by clicking the observed property link in each row of the table. The sample data are now identified by observed property, replacing the parameter and pcode USGS has used for many years. Additional information and explanation is provided in the Observed Properties and Parameter Codes section of the Code Dictionary tools .
The summary of sample data table is produced with the summary service API
| Characteristic group | Observed property | Total number of results | Total number of activities | Start date | End date |
|---|---|---|---|---|---|
| Information | Agency analyzing sample | 78 | 78 | 1979-02-14 | 2003-10-28 |
| Information | Sampling depth | 1 | 1 | 1990-04-25 | 1990-04-25 |
| Inorganics, Major, Metals | Calcium, water, filtered | 75 | 75 | 1979-02-14 | 2003-10-28 |
| Inorganics, Major, Metals | Magnesium, water, filtered | 75 | 75 | 1979-02-14 | 2003-10-28 |
| Inorganics, Major, Metals | Potassium, water, filtered | 74 | 74 | 1979-02-14 | 1991-05-21 |
| Inorganics, Major, Metals | Sodium, water, filtered | 74 | 74 | 1979-02-14 | 1991-05-21 |
| Inorganics, Major, Metals | Sodium adsorption ratio (SAR), water | 74 | 74 | 1979-02-14 | 1991-05-21 |
| Inorganics, Major, Metals | Sodium plus potassium as sodium, water, filtered | 2 | 2 | 1979-10-03 | 1980-02-07 |
| Inorganics, Major, Metals | Sodium fraction of cations, water | 74 | 74 | 1979-02-14 | 1991-05-21 |
| Inorganics, Major, Non-metals | Acidity as calcium carbonate, water, unfiltered | 7 | 7 | 1981-03-30 | 1986-02-03 |
| Inorganics, Major, Non-metals | Acidity as hydrogen ion, water, unfiltered, heated | 7 | 7 | 1981-03-30 | 1986-02-03 |
| Inorganics, Major, Non-metals | Hydrogen ion, water, unfiltered, calculated | 77 | 77 | 1979-02-14 | 2008-06-17 |
| Inorganics, Major, Non-metals | Acid neutralizing capacity (ANC) as calcium carbonate, water, unfiltered, fixed endpoint (EP) (pH 4.5) titration, field | 10 | 10 | 1979-02-14 | 1980-09-16 |
| Inorganics, Major, Non-metals | Acid neutralizing capacity (ANC) as calcium carbonate, water, unfiltered, fixed endpoint (EP) (pH 4.5) titration, laboratory | 64 | 64 | 1981-02-19 | 1991-05-21 |
| Inorganics, Major, Non-metals | Total carbon (inorganic + organic carbon), bed sediment (dry mass basis) | 3 | 3 | 1985-10-02 | 1990-10-17 |
| Inorganics, Major, Non-metals | Carbon dioxide, water, unfiltered | 72 | 72 | 1979-02-14 | 1991-05-21 |
Monitoring locations with continuous data in last 120 days
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5 km
3 mi
Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.
Interested in understanding how to access the upstream/downstream data? Learn about the Network-Linked Data Index (NLDI)