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New WQX 3.0 profiles are available at waterqualitydata.us/beta/. These profiles will contain recent USGS data added since March 11, 2024, which marks the beginning of limited accessibility for USGS data. Read more about the 3.0 profiles and associated changes here.

This legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  NWIS >  USGS-PA >  USGS-401733075171401

MG 917 Montgomery County Observation Well (USGS-401733075171401) site data in the Water Quality Portal

Data Provider: NWIS (Learn more about Water Quality Portal Data Providers)

This well site, maintained by the USGS Pennsylvania Water Science Center (identifier USGS-PA), has the name "MG 917 Montgomery County Observation Well" and has the identifier USGS-401733075171401. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02040201. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Montgomery County County, Pennsylvania at 40.29272220000000 degrees latitude and -75.2866667000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Differentially corrected Global Positioning System." and the accuracy is .1 seconds. The source map scale is 1:24000. This site is at an elevation of 345 feet and the accuracy of the elevation measurement, collected using the method "Light Detection And Ranging, airplane" is 1 feet. The vertical coordinate reference system is NAVD88.

This site is located in the "Early Mesozoic basin aquifers" aquifer. The geologic formation type is Brunswick Formation. The aquifer is a Mixed (confined and unconfined) multiple aquifers type. The well was contructed on 19710526. The well depth is 500 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-401733075171401" into the "Site ID" box under Site Parameters

What other monitoring locations are upstream or downstream from this one?

Upstream and downstream locations

This map shows all Water Quality Portal stations that are 10 miles upstream (dashed dark blue) and 10 miles downstream (solid light blue) of this monitoring location (indicated by the large blue circle). The upstream and downstream functionality is provided by the Network Linked Data Index.

When were data collected at this location?

Periods of record for data characteristic groups

For a more detailed breakdown of data, go to the Monitoring Report at the EPA How's My Waterway Application
Characteristic Group Date Range*
Information 1999 - 2012
Inorganics, Major, Metals 1999 - 2012
Inorganics, Major, Non-metals 1999 - 2012
Inorganics, Minor, Metals 1999 - 2012
Inorganics, Minor, Non-metals 1999 - 2012
Microbiological 1999 - 2012
Nutrient 1999 - 2012
Organics, Other 1999 - 2012
Organics, Pesticide 1999 - 2012
Physical 1999 - 2012
Radiochemical 1999 - 2012
Stable Isotopes 1999 - 2012
*Date ranges may contain gap years

What other information is available for this location?

Detailed Metadata

For the definitions of the metadata elements, please go to the Water Quality Portal user guide

Location Metadata Value
OrganizationIdentifier USGS-PA
OrganizationFormalName USGS Pennsylvania Water Science Center
MonitoringLocationIdentifier USGS-401733075171401
MonitoringLocationName MG 917 Montgomery County Observation Well
MonitoringLocationTypeName Well
HUCEightDigitCode 02040201
LatitudeMeasure 40.29272220000000
LongitudeMeasure -75.2866667000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Differentially corrected Global Positioning System.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 345
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 1
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Light Detection And Ranging, airplane
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 42
CountyCode 091
AquiferName Early Mesozoic basin aquifers
FormationTypeText Brunswick Formation
AquiferTypeName Mixed (confined and unconfined) multiple aquifers
ConstructionDateText 19710526
WellDepthMeasure/MeasureValue 500
WellDepthMeasure/MeasureUnitCode ft
ProviderName NWIS