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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 1974-11-19 1993-11-05
Information Water-quality 1974-11-11 1999-09-22
Inorganics, Major, Metals Water-quality 1945-08-01 1996-09-26
Inorganics, Major, Non-metals Water-quality 1945-08-01 1999-09-22
Inorganics, Minor, Non-metals Water-quality 1974-12-17 1995-08-17
Inorganics, Minor, metals Water-quality 1945-08-01 1996-09-26
Microbiological Water-quality 1974-10-15 1999-09-22
Nutrient Water-quality 1945-08-01 1999-09-22
Organics, PCBs Water-quality 1977-11-08 1993-11-05
Organics, other Water-quality 1974-11-19 1996-09-26
Organics, pesticide Water-quality 1975-03-31 1993-11-05
Physical Daily Values, Unit Values, Water-quality 1944-08-26 2021-02-25
Population/Community Water-quality 1975-01-21 1981-09-08
Radiochemistry Water-quality 1981-02-04 1993-11-05
Sediment Water-quality 1974-10-15 1996-08-20
n/a Peak Measurements 1940-08-01 2020-09-20
n/a Site Visits 1944-08-24 2021-02-09
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
R
Latitude-longitude datum
NAD27
Decimal Latitude-longitude datum NAD83
District
51
State
51
County
175
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 Y
Altitude accuracy n/a
Altitude datum
NAVD88
Subbasin hydrologic unit
03010202
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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