Girl in stream with laptop testing acid mine drainage

Acid Mine Drainage Testing in the Upper Potomac 

During April through November of 2023, Upper Potomac Riverkeeper Brent Walls and Catherine Gaudlip, our Hood College Technician, will be completing their 2nd year of acid mine drainage monitoring along three different stream reaches that feed into the Upper Branch of the Potomac River. Metals, including aluminum, manganese, and iron, will be analyzed semimonthly throughout … Read More

fish survey

PFAS Fish Survey Initiative

Upper Potomac Riverkeeper Launches PFAS Fish Survey Initiative As part of his PFAS campaign, Brent Walls, Upper Potomac Riverkeeper, is launching an important fish survey initiative in the Opequon Creek, a Potomac River tributary; he plans to obtain enough samples – 10 from each of three different species over a period of six to 12 … Read More

PRKN Litigation slide 5-8-23

PRKN & Friends of the Cacapon River Urge Caution on Proposed Campground

Emphasize Importance of Adequate Analysis of Sewer Lines Across Cacapon River, Control of Sediment During and After Construction, and Protection of Shoreline Potomac Riverkeeper Network and Friends of the Cacapon River today issued a Position Statement concerning the proposed KOA Campground construction on Rt. 9 west of Berkeley Springs  in which they urge Scenic, LLC, … Read More

Press Release

Passage of Legislation Restricting Sale of Toxic Chemicals in Maryland Applauded by Potomac Riverkeeper Network

Legacy Toxins in Carpets, Food Packaging, Firefighting Foam Prohibited Washington, DC – April 21 – Potomac Riverkeeper Network (PRKN) applauds Maryland’s General Assembly for passing the “George “Walter” Taylor Act which prohibits the sale of certain products containing PFAS which Gov. Larry Hogan signed today, PRKN President Nancy Stoner announced today. Said Stoner, PFAS chemicals … Read More


Cacapon Riverfest

Join us for a celebration of the Cacapon River in Capon Bridge, West Virginia. The festival will include a river parade, contests, environmental presentations, an artisan market, food, drink and ALL DAY MUSIC! Friday, June 17, 2022 – 4 pm – 9 pmSaturday, June 18, 2022 – 11 am – 9 pm What is the … Read More

PFAS plastic pollutants in upper potmac

PFAS Investigation Program

PFAS Investigation Program To address this pollutant, Brent works with USGS fish biologists to collect small-range fish species, which provide a food source for aquatic and terrestrial species and for humans as well, and testing them for toxic chemicals. Brent will also be conducting a survey of river participants on their fishing habits and if … Read More


Drone Surveillance Program

Under the guidance of Upper Potomac Riverkeeper Brent Walls, Potomac Riverkeeper Network has developed a program that uses drone technology to advance our ability to detect and gather information on water pollution sources that are impacting water quality in the Potomac and Shenandoah Rivers. Establishing a formal drone program is an important step that expresses … Read More