Reading the Wolf River Gauge at Germantown

The Wolf River gauge at Germantown (NOAA ID GERT1) peaked at a record 27.98 ft on March 14, 1975. Moderate flood stage there is 25 ft and major flood stage 28 ft. The river has crested above 25 ft four more times since 2001, most recently at 25.29 ft on April 6, 2025 (NOAA).

The five highest crests on record

• 27.98 ft on March 14, 1975, the record and just 0.02 ft short of major flood stage
• 26.91 ft on April 29, 2011
• 25.52 ft on December 1, 2001
• 25.29 ft on April 6, 2025
• 25.12 ft on March 12, 2016

All five topped the 25 ft moderate flood stage (NOAA gauge GERT1). Four of them came in March or April, which matches the rain calendar: those are the Memphis area's wettest months, averaging 5.74 and 5.87 inches (NWS Memphis). The one December crest fits the pattern too, since December averages 5.49 inches.

What flooded in 2011 and 2025

In April 2011, about four miles of the Germantown Greenway were underwater, and Poplar Estates Park and Grove Park closed (Action News 5). In April 2025, flooding closed the greenway from the Farmington Trailhead to the Memphis line, along with Lansdowne Park and the Bob Hailey Athletic Complex (Hoodline). The city sits on a ridge between the Wolf River and Nonconnah Creek (Wikipedia), and the closures reported in both years were trails, parks and ball fields along the river.

Why a crest week still matters indoors

A river crest comes at the end of a long wet stretch: days of heavy rain upstream and over the city itself. That same rain soaks the ground around your foundation. Watch for water standing against the house, a crawl space that is damp or puddled, carpet that feels cool and damp along an outside wall, and a musty smell that shows up a few days later. Anything that stays wet for 48 hours is a mold risk, whether or not the river ever came near your street.

An after-the-crest checklist

1. During a wet spell, follow the Wolf River at Germantown gauge so you know when the river is peaking.
2. Walk the outside: gutters, downspouts, and low spots that hold water near the foundation.
3. Look under the house or along the slab edge a day or two after the rain stops.
4. Dry anything damp with fans and a dehumidifier within 48 hours.
5. If a smell or stain appears later, get a moisture check. Mold testing and inspection in Germantown explains what that visit covers, and black mold removal in Germantown covers growth you can already see.

For budgeting, the Germantown mold remediation cost page lists Memphis-area ranges for water response and flood cleanup.