Susquehanna River at Marietta, PA

The last 7 days and the forecast

NWS forecast issued Mon, Oct 12, 2:51 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

What floods at each level

From the National Weather Service, highest first.

• 64 ftWidespread flooding on both banks affects homes, businesses, and the water and sewage plants.
• 59 ftWidespread flooding occurs on both sides of the river. Many homes and businesses are affected by high water. The Wrightsville water supply is affected by flood waters.
• 56 ftWidespread flooding occurs on both sides of the river. Many homes and businesses are affected.
• 54 ftNumerous homes and businesses in the Columbia and Wrightsville areas are affected by high water. The Wilton Company in Wrightsville experiences problems with high water.
• 52 ftA number of residences in the Wrightsville and Columbia areas begin to be affected.
• 49 ftFront Street in Wrightsville floods. Low lying areas of route 624 on the right, or west bank and along route 441 on the left, or east bank are also affected. Riverside recreation area is also inundated.
• 47 ftLow lying undeveloped areas on both banks are inundated. A couple of roadways are closed.
• 44 ftThe right, or west bank overflows. Some roadways are affected.

Highest crests on record

1. 64.54 ft — June 23, 1972
2. 60.73 ft — March 19, 1936
3. 58.3 ft — June 2, 1889
4. 58.16 ft — September 9, 2011
5. 56.8 ft — January 21, 1996

Recent crests: 49.61 ft (December 27, 2020) · 50.93 ft (July 26, 2018) · 58.16 ft (September 9, 2011) · 51.15 ft (April 29, 2011) · 52.86 ft (March 12, 2011)

Up and down the river, and nearby

• UpstreamSusquehanna River at Harrisburg, PA
• Chiques Creek above MARIETTA, PA
• Kreutz Creek at Strickler, PA
• Codorus Creek near Saginaw, PA
• Conewago Creek near Bellarie, PA
• West Conewago Creek near Manchester, PA
• Conewago Creek near Falmouth, PA
• Conestoga River at Conestoga, PA
• Little Conewago Creek at Upper Lawn, PA