Upper Machodoc Creek near Dahlgren (IN MLLW)
Stage at this gauge is reported IN MLLW.
Flood levels
Official flood levels at this gauge: action stage begins at 3.0 ft; minor flooding begins at 3.5 ft; moderate flooding begins at 5.0 ft; major flooding begins at 7.0 ft.
| Action stage | 3.0 ft |
|---|---|
| Minor flooding | 3.5 ft |
| Moderate flooding | 5.0 ft |
| Major flooding | 7.0 ft |
Highest recorded crests
- 5.6 ft on Oct 29, 2021 (historic crest)
- 5.0 ft on Sep 10, 2018 (historic crest)
- 4.9 ft on Sep 9, 2018 (historic crest)
- 4.7 ft on Oct 12, 2019 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 3.5 ft | Water is expected to reach yards near Cobb Island and docks near Dahlgren. |
|---|---|
| 5.0 ft | Water is expected to cover yards and docks in Dahlgren and on Cobb Island. A half foot of water covers Cobb Island Road/State Route 254, severely limiting the ability to traverse from Cobb Island to the mainland. Also water approaches structures near Cobb Island. |
| 6.5 ft | Widespread shoreline inundation is occurring, with water reaching structures on both sides of the river. Cobb Island is cut off from the mainland. Numerous roads and buildings are affected. |
Forecast office: NWS Sterling · River Forecast Center: Middle Atlantic River Forecast Center.
A NOAA tide station shares this spot: Dahlgren, with tide predictions and official flood levels.
Upper Machodoc Creek near Dahlgren (IN MLLW) in your pocket
Tidora puts this spot on your Home Screen and Lock Screen with free widgets, and sends free flood alerts before the water reaches the levels that matter to you. No account, no subscription needed for either.
Download Tidora on the App Store
Tidora is preparing for launch; these pages go fully live when the app ships.
Nearby stations and gauges
- Dahlgren NOAA tide station · 0.0 mi
- Lower Cedar Point NOAA tide station · 3.6 mi
- Mathias Point NOAA tide station · 5.5 mi
- Colonial Beach NOAA tide station · 6.3 mi
- Riverside NOAA tide station · 7.5 mi
- Goose Creek NOAA tide station · 9.3 mi