Ireland Creek at Walterboro, SC
River level and flood forecast · Colleton County
Normal4.5 ftas of Mon 3:30 PM
The river is 3.5 ft below flood stage (8 ft).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 11 ft |
| Moderate flood stage | 10 ft |
| Flood stage | 8 ft |
| Action stage | 7 ft |
| Record crest (August 7, 2024) | 10.71 ft |
What floods at each level
From the National Weather Service, highest first.
- 11 ftAt 11 feet, widespread damaging flooding occurs along Ireland Creek as water enters numerous homes and businesses.
- 10 ftAt 10 feet, water begins to approach and enter businesses along Ivanhoe Road between Forest Hills Road and Lands End Road. Flood waters around the homes on Ireland Creek Drive deepens and water will rise up to the top step of the porches of the homes.
- 9.5 ftAt 9.5 feet, Ivanhoe Road and Ireland Creek Drive become impassable and Sweat Street begins to flood from around the curve to N Jefferies Boulevard. Also, water begins to surround the homes located off of Ireland Creek Drive.
- 9 ftAt 9 feet, minor flooding impacts expand around Ireland Creek. The flooding of Ireland Creek Drive worsens and the intersection of Ireland Creek Drive and Dowling Avenue begins to flood as well. Ivanhoe Road becomes completely inundated near the shopping center and water covers a large portion of the shopping center parking lot.
- 8 ftAt 8 feet, minor flooding begins along Ireland Creek. Water will begin to impact Ivanhoe Road along the shopping center parking lot as well as Ireland Creek Drive near the homes between Dowling Avenue and Forest Hills Road.
- 7 ftAt 7 feet, Ireland Creek reaches bankfull.
Highest crests on record
- 10.71 ft — August 7, 2024
- 10.51 ft — August 17, 2023
- 8.47 ft — September 1, 2023
- 8.34 ft — February 13, 2024
- 7.7 ft — August 5, 2025
Recent crests: 6.83 ft (August 24, 2025) · 7 ft (August 17, 2025) · 7.7 ft (August 5, 2025) · 6.24 ft (July 30, 2025) · 7.11 ft (June 13, 2025)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (WICS1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.