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Important Data may be provisional - learn more

These links download data from the USGS Water Data Services in the RDB format .

If you are an R user, use the USGS dataRetrieval Package to download, analyze, and plot your data.

USGS Parameter Group Data Types Start Date End Date
Biological Water-quality 1977-05-19 1977-09-12
Information Water-quality 1981-10-08 2005-09-09
Inorganics, Major, Metals Water-quality 1965-05-19 1983-03-07
Inorganics, Major, Non-metals Water-quality 1965-05-19 1983-03-07
Inorganics, Minor, Non-metals Water-quality 1976-11-18 1983-03-07
Inorganics, Minor, metals Water-quality 1965-05-19 1983-03-07
Nutrient Water-quality 1965-05-19 1983-03-07
Physical Daily Values, Unit Values, Water-quality 1936-01-01 2021-02-27
n/a Peak Measurements 1936-02-04 2019-02-24
n/a Site Visits 1935-02-18 2021-02-04
n/a USGS Annual Water Data Reports Site 2006-01-01 2020-01-01
Classic 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
U
Latitude-longitude datum
NAD27
Decimal Latitude-longitude datum NAD83
District
01
State
01
County
071
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 n/a
Altitude accuracy n/a
Altitude datum
NGVD29
Subbasin hydrologic unit
06030002
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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