| USGS Parameter Group | Data Types | Start Date | End Date |
|---|---|---|---|
| Biological | Water-quality | 1985-09-04 | 1997-09-15 |
| Information | Water-quality | 1981-10-15 | 2004-08-04 |
| Inorganics, Major, Metals | Water-quality | 1988-12-20 | 1995-08-14 |
| Inorganics, Major, Non-metals | Water-quality | 1985-09-04 | 2004-08-04 |
| Inorganics, Minor, metals | Water-quality | 1988-12-20 | 1995-08-14 |
| Microbiological | Water-quality | 1986-01-06 | 1989-12-11 |
| Nutrient | Water-quality | 1985-09-04 | 2001-09-26 |
| Organics, PCBs | Water-quality | 1989-09-11 | 1989-09-11 |
| Organics, other | Water-quality | 1985-09-04 | 2001-09-26 |
| Organics, pesticide | Water-quality | 1989-09-11 | 1989-09-11 |
| Physical | Daily Values, Unit Values, Water-quality | 1944-07-20 | 2024-12-21 |
| Sediment | Water-quality | 1985-10-07 | 2001-09-26 |
| n/a | Peak Measurements | 1945-08-01 | 2022-05-23 |
| n/a | Site Visits | 1944-07-12 | 2024-11-19 |
| n/a | USGS Annual Water Data Reports Site | 2006-01-01 | 2022-01-01 |
Monitoring location 01591000 is associated with a Stream in Montgomery County, Maryland. Current conditions of Discharge and Gage height are available. Water data back to 1944 are available online.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
01591000 | n/a |
|
Site name
|
PATUXENT RIVER NEAR UNITY, MD | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 391417.7 | n/a |
| DMS longitude | 0770320.6 | n/a |
| Decimal latitude | 39.23825 | n/a |
| Decimal longitude | -77.0557222 | n/a |
|
Latitude-longitude method
|
Interpolated from MAP. | M |
|
Latitude-longitude accuracy
|
Accurate to + or - 1 sec. | S |
|
Latitude-longitude datum
|
North American Datum of 1983 | NAD83 |
| Decimal Latitude-longitude datum | North American Datum of 1983 | NAD83 |
|
District
|
Maryland | 24 |
|
State
|
Maryland | 24 |
|
County
|
Montgomery County | 031 |
| Country | US | n/a |
| Land net location description | n/a | |
| Name of location map | n/a | |
| Scale of location map | n/a | |
| Altitude of Gage/land surface | 364.04 feet | n/a |
| Method altitude determined | Interpolated from Digital Elevation Model | N |
| Altitude accuracy | .1 feet | n/a |
|
Altitude datum
|
North American Vertical Datum of 1988 | NAVD88 |
|
Subbasin hydrologic unit
|
Patuxent | 02060006 |
|
Drainage basin
|
n/a | |
|
Topographic setting
|
n/a | |
| Flags for instruments at site | YNYNNNYNNNYNNNNNNNNNNNNNNNNNNN | n/a |
|
Date of first construction
|
n/a | |
| Date site established or inventoried | n/a | |
|
Drainage area
|
34.8 square miles | n/a |
| Contributing drainage area | n/a | |
| Time Zone abbreviation | EST | n/a |
|
Site honors Daylight Saving Time
|
Y | n/a |
|
Data reliability
|
n/a | |
| Data-other GW files | NNNNNNNN | n/a |
| National aquifer | n/a | |
| Local aquifer | n/a | |
|
Local aquifer type
|
n/a | |
| Well depth | n/a | |
|
Hole depth
|
n/a | |
| Source of depth data | n/a | |
| Project number | 442408000 | n/a |
