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  • USGS has scheduled planned maintenance to our IT infrastructure, starting Tuesday, June 28, 2022, from 8:00-10:00am Eastern Daylight Time (EDT). During the maintenance period, there will be a short interruption in the availability of the most recent time-series data. Any backlog will be made available following conclusion of the scheduled maintenance.
  • Explore the New  USGS National Water Dashboard  interactive map to access real-time data from over 13,500 stations nationwide.

Important Data may be provisional - learn more

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 2018-04-17 2022-06-02
Inorganics, Major, Metals Water-quality 1963-07-23 1977-06-09
Inorganics, Major, Non-metals Water-quality 1963-07-23 2019-10-21
Inorganics, Minor, Non-metals Water-quality 1975-08-12 1977-06-09
Inorganics, Minor, metals Water-quality 1974-08-29 1977-06-09
Microbiological Water-quality 1969-10-20 1973-06-08
Nutrient Daily Values, Water-quality 1963-07-23 2022-03-24
Organics, other Water-quality 1963-02-15 1977-06-09
Physical Daily Values, Unit Values, Water-quality 1940-10-01 2022-06-28
Sediment Daily Values, Water-quality 1963-07-18 2022-01-04
n/a Peak Measurements 1940-12-30 2021-07-25
n/a Site Visits 1980-12-11 2022-04-27
n/a USGS Annual Water Data Reports Site 2006-01-01 2021-01-01
Water Data for the Nation inventory

Metadata Element Location Metadata Metadata Code
Agency
USGS
Site identification number
n/a
Site name
n/a
Site type
ST
DMS latitude n/a
DMS longitude n/a
Decimal latitude n/a
Decimal longitude n/a
Latitude-longitude method
M
Latitude-longitude accuracy
S
Latitude-longitude datum
NAD27
Decimal Latitude-longitude datum NAD83
District
39
State
39
County
051
Country 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 n/a
Method altitude determined D
Altitude accuracy n/a
Altitude datum
NAVD88
Subbasin hydrologic unit
04100006
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation n/a
Site honors Daylight Savings Time
n/a
Data reliability
n/a
Data-other GW files 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 n/a

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