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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 1977-11-08 2011-09-01
Information Water-quality 1977-11-08 2013-08-28
Inorganics, Major, Metals Water-quality 1966-05-05 1994-06-28
Inorganics, Major, Non-metals Daily Values, Water-quality 1966-05-01 2013-08-28
Inorganics, Minor, Non-metals Water-quality 1978-01-25 1994-06-28
Inorganics, Minor, metals Water-quality 1978-01-25 1994-06-28
Microbiological Water-quality 1977-11-08 1994-06-28
Nutrient Water-quality 1966-05-05 1994-06-28
Organics, PCBs Water-quality 1977-11-08 1982-06-22
Organics, other Water-quality 1970-08-05 2013-08-28
Organics, pesticide Water-quality 1977-11-08 2013-08-28
Physical Daily Values, Unit Values, Water-quality 1964-10-01 2021-02-25
Population/Community Water-quality 1977-11-08 1981-09-08
Radiochemistry Water-quality 1981-01-21 1981-07-08
Sediment Water-quality 1977-11-08 1994-06-28
n/a Peak Measurements 1965-02-14 2020-03-23
n/a Site Visits 1965-02-15 2021-02-01
n/a USGS Annual Water Data Reports Site 2005-01-01 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
F
Latitude-longitude datum
NAD27
Decimal Latitude-longitude datum NAD83
District
48
State
48
County
213
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 L
Altitude accuracy n/a
Altitude datum
NGVD29
Subbasin hydrologic unit
12030105
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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