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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Inorganics, Major, Non-metals Water-quality 2014-10-22 2018-09-20
Physical Daily Values, Groundwater Levels, Unit Values, Water-quality 2001-10-05 2024-11-23
n/a USGS Active Groundwater Level Network Site 2001-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 405344079380201 is associated with a Well in Armstrong County, Pennsylvania. Current conditions of Depth to water level are available. Water data back to 2001 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
405344079380201 n/a
Site name
AR 109 Armstrong County Observation Well n/a
Site type
Well
GW
DMS latitude 405344.4 n/a
DMS longitude 0793802.1 n/a
Decimal latitude 40.89566667 n/a
Decimal longitude -79.6339167 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS). 1
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Pennsylvania 42
State
Pennsylvania 42
County
Armstrong County 005
Country US n/a
Land net location description n/a
Name of location map CHICORA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 1402 feet n/a
Method altitude determined Light Detection And Ranging, airplane J
Altitude accuracy 1 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
05010009
Drainage basin
n/a
Topographic setting
Hilltop
H
Flags for instruments at site NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
20010912 n/a
Date site established or inventoried 20010913 n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files YYYYYY n/a
National aquifer Pennsylvanian aquifers N300PNSLVN
Local aquifer Allegheny Group 324ALEG
Local aquifer type
n/a
Well depth 152.5 feet n/a
Hole depth
152.5 feet n/a
Source of depth data S n/a
Project number 444200250 n/a

Operated in cooperation with:

logo for Pennsylvania Department of Environmental Protection, Bureau of Safe Drinking Water
Pennsylvania Department of Environmental Protection, Bureau of Safe Drinking Water
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds