Mallard Creek below Stony Creek nr Harrisburg
Flood levels
Official flood levels at this gauge: action stage begins at 11.0 ft; minor flooding begins at 13.0 ft; moderate flooding begins at 19.0 ft; major flooding begins at 26.0 ft.
| Action stage | 11.0 ft |
|---|---|
| Minor flooding | 13.0 ft |
| Moderate flooding | 19.0 ft |
| Major flooding | 26.0 ft |
Highest recorded crests
- 20.0 ft on Nov 12, 2020 (historic crest)
- 19.7 ft on Aug 27, 2008 (historic crest)
- 17.3 ft on Aug 27, 1995 (historic crest)
- 16.8 ft on Sep 28, 2004 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 11.0 ft | Action Stage.If MCLN7 crests at this height, IBFN may have an average crest of 11.5 feet. |
|---|---|
| 12.0 ft | Action Stage Continues. River will start to flood the PNC Music Pavilion parking lots and other low-lying areas along Pavilion Boulevard.If MCLN7 crests at this height, IBFN7 may have an average crest between 13.0 and 13.5 feet, approximately 6 to 8 hours later. |
| 13.0 ft | Minor Flood Stage. Mallard Creek may be flooding the PNC Music Pavilion parking lots nearest to the streamgauge, low-lying areas along Pavilion Blvd, and portions of the Mallard Creek Greenway.If MCLN7 crests at this height, IBFN7 may have an average crest between 16.0 and 16.5 feet. |
| 13.5 ft | Minor Flooding continues. Low-lying areas and the Mallard Creek Greenway near North Tryon Street (U.S. Route 29) and East Mallard Creek Church Road, upstream of the streamgauge, may flood.If MCLN7 crests at this height, IBFN7 may have an average crest between 16.5 and 18.5 feet approximately 8 hours later. |
| 15.5 ft | Minor Flooding continues.If MCLN7 crests at this height, IBFN7 may crest between 21.0 and 24.5 feet. |
| 17.0 ft | Minor Flooding continues. Mallard Creek may reach the bottom of the Pavilion Drive bridge. Backyards of homes along Dashiel and Circle Drives, downstream of streamgauge, may flood. This stage has a 10% chance of occurrence in any given year. |
| 18.0 ft | Minor Flooding continues. Mallard Church Road and North Tryon Street (U.S. Route 29) may flood. |
| 19.0 ft | Moderate Flood Stage. Homes may begin to flood along Dashiel and Circle Drives, downstream of streamgauge. This stage has a 2% chance of occurrence in any given year.If MCLN7 crests at this height, IBFN7 may crest near 30 feet. |
| 21.0 ft | Moderate Flooding continues. Pavilion Road may begin to flood. This stage has a 0.2% chance of occurrence in any given year. |
| 26.0 ft | Major Flood Stage. |
Forecast office: NWS Greer · River Forecast Center: Southeast River Forecast Center.
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