MDC’s Powder Valley Nature Center to begin Wastewater Treatment Improvement project in May

News from the region
Saint Louis
Published Date
05/04/2026
Body

KIRKWOOD, Mo.—The Missouri Department of Conservation’s (MDC) Powder Valley Conservation Nature Center will begin a wastewater treatment improvement project in May.  Visitor will experience temporary access restrictions during the project, which will include a four-week closure of the nature center and its trails starting June 15.

The anticipated timeline for the project is as follows:

  • Friday, May 1—The contractor will begin staging equipment in the parking lot near the Broken Ridge Trail.
  • Monday, May 4—The contractor will restrict access to a portion of the entrance road that is near the wastewater treatment facility. Vehicles can continue to pass through the area around the closed portion.
  • Monday, June 15—The nature center and its grounds will close to public access for four weeks while the current wastewater treatment facility is taken offline and improvements are implemented.
  • Friday, July 10—The project will be completed (weather permitting).
  • Saturday, July 11—The nature center and grounds will reopen for public use.

During the four-week closure, MDC suggests the following nearby MDC areas for visitors who would like an alternative hiking opportunity:

Powder Valley Conservation Nature Center is located at 11715 Cragwold Road in Kirkwood, near the intersection of I-270 and I-44.