Images

Shohola Creek near Walker Lake, PA (01432495), streamflow monitoring equipment. (USGS)

Trent Watts, a USGS hydrologic technician, uses an Acoustic Doppler Current Profiler to measure the amount of water flowing in Perkiomen Creek in Graterford, Pennsylvania, on December 18. USGS photo by Cameron Ensor.

New one-half liter bottles of drinking water ("purified water with minerals added for taste"). (Dan Goode, USGS)

Screenshot of title page for "Hurricane Ida: USGS Response in Pennsylvania to September 1-2, 2021, Flooding Related to Remnants of Hurricane Ida" geonarrative. 

This map shows 161 sites across Pennsylvania that were sampled for PFAS concentrations. The color coding indicates PFAS concentration levels at each site. USGS image.

Photo of a field near a site in Pennsylvania where USGS staff take groundwater pesticide samples (USGS).

A 3D aerial view of Norristown, Pennsylvania shows where the Schuylkill River passes through the city. The water in the river is shown in bright blue, while the surrounding city is shown in natural color.

Exposed Hellam Conglomerate member of the Chickies Quartzite at East Mount Zion Superfund Site, York County, Pennsylvania. (Lisa Senior, USGS)

Map of the continental United States indicating the well density per 100 square mile grid cell of 117,672 unplugged orphaned wells in the 27 states included in the documented orphaned oil and gas well (DOW) dataset. Note the exponential scale of the coloring scheme used to preserve detail across both lower and higher well densities.

Boulder of Hellam Conglomerate member of the Chickies Quartzite at East Mount Zion Superfund Site, York County, Pennsylvania. (Lisa Senior, USGS)

Survey equipment at Raystown Dam near Huntingdon, Pennsylvania. USGS measures datum (elevation) information as part of monitoring lake level as well as streamflow and stage below the dam. (Victor Cortes, USGS Pennsylvania Water Science Center).

The rise and fall of the Delaware River salt front. Over time, the location of the salt front moves in response to regional weather patterns, sea level rise, and human impacts. The precise location of the salt front in the Delaware River Basin is based on the location in the river where the average chloride concentration is 250 mg/L.

USGS scientists sampling water quality from a bridge over Beaver River, near Beaver Falls, Pennsylvania (Natalie Schmer, USGS).

Schuylkill River Muddy Waters west of Philadelphia, Pennsylvania, September 9, 2021 - Landsat image reproduced in USGS Factsheet Pennsylvania and Landsat. This Landsat image shows the Schuylkill River west of Philadelphia, where muddied waters rose in several communities after the Hurricane Ida delug

Hydrologic Technician Ian Lynch from the Pittsburgh Field Office of the Pennsylvania Water Science Center takes a high flow measurement at USGS station 03085500, Chartiers Creek at Carnegie, PA during flooding from remnants of Hurricane Ida. 

Flooded area at railroad yard in Norristown, Montgomery County, Pennsylvania during Hurricane Ida in September 2021. (USGS)

Photo Contest Winner | August 2021 | Honorable Mention 2
Nick Grim and Cameron Ensor rescuing a goose that got stuck in fishing line on the Delaware River

Photograph of two kayakers on the Delaware River bordering New York and Pennsylvania, between Hancock and Port Jervis. 

Photo Contest Winner | July 2021 | Honorable Mention 2

Mark Jones taking a measurement in Danville, Pennsylvania

Photo Contest Winner | July 2021 | USGS at Work
Certified USGS Heavy Equipment Operators Cameron Ensor and Nick Grim demolish a broad-crested weir at USGS Station 01574500 at Cordorus Creek in Spring Grove, PA

The Region 1, May 2021 "USGS at Work" Winner (by Aaron Stephens)