NATIONAL PARK SERVICE · news

National Park Service and USGS Partner for Air Sampling Study at Winnewissa Falls

August 4, 2026 · Source: National Park Service

A black tripod sits on grass. At the top of the tripod is a football-sized device used to measure air quality. — Image supplied by the National Park Service. View the original image and credit

From approximately August 9-14, 2026, the U.S. Geological Survey (USGS) will conduct air sampling around Winnewissa Falls at Pipestone National Monument. The sampling is part of a partnership between USGS and the National Park Service to understand contaminants in Pipestone Creek and assess public health risks.

Read the official NPS source

What Travelers Need to Know

Use the official notice to confirm the affected destination, dates and visitor arrangements before finalizing your trip.

Dates and operating conditions can change after publication. Check the park’s official visitor information for your travel date.

Traveler guidance by State & Nation Staff Writer.

Destinations

Pipestone

Related state Travel pages

Minnesota