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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 1976-01-21 1976-01-21
Information Water-quality 1972-09-27 2014-06-04
Inorganics, Major, Metals Water-quality 1966-07-14 1986-07-14
Inorganics, Major, Non-metals Water-quality 1966-07-14 2014-06-04
Inorganics, Minor, Non-metals Water-quality 1966-07-14 1989-07-31
Inorganics, Minor, metals Water-quality 1966-11-16 1986-10-27
Microbiological Water-quality 1973-10-25 2014-06-04
Nutrient Water-quality 1966-07-14 2014-06-04
Organics, PCBs Water-quality 1976-09-24 1980-05-27
Organics, other Water-quality 1966-07-14 1981-05-14
Organics, pesticide Water-quality 1976-09-24 1988-09-29
Physical Daily Values, Unit Values, Water-quality 1895-04-01 2021-02-25
Population/Community Water-quality 1976-01-21 1976-01-21
Radiochemistry Water-quality 1976-08-05 1982-08-19
Sediment Daily Values, Water-quality 1971-05-06 2014-06-04
n/a Peak Measurements 1895-06-04 2019-05-29
n/a Site Visits 1962-06-16 2021-02-01
n/a USGS Annual Water Data Reports Site 2006-01-01 2019-01-01
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
G
Latitude-longitude accuracy
5
Latitude-longitude datum
NAD27
Decimal Latitude-longitude datum NAD83
District
56
State
56
County
009
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 M
Altitude accuracy n/a
Altitude datum
NGVD29
Subbasin hydrologic unit
10180008
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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