Muddy Grimes Dam dam
Muddy Grimes Dam
Muddy Grimes Dam in Alger, Michigan, stands as a key recreational spot, completed in the year 1900. The dam, with a height of 8 feet and a length of 140 feet, serves its primary purpose of recreation, offering a serene escape for water resource and climate enthusiasts. Situated on a tributary to the East Branch Indian River, the dam holds a storage capacity of 350 acre-feet and covers a surface area of 100 acres.
Despite its age, Muddy Grimes Dam boasts a low hazard potential and moderate risk assessment. With an uncontrolled spillway width of 12 feet, the dam's condition remains unrated since its last inspection in October 1999. Although not state-regulated, the dam's risk management measures and emergency action plan status are currently unspecified. Positioned within the Detroit District, the dam's serene location and design make it a picturesque site for those seeking outdoor recreation amidst Michigan's natural beauty.
Dam data reference
Condition Assessment
- Satisfactory
- No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
- Fair
- No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action.
- Poor
- A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency.
- Unsatisfactory
- A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
- Not Rated
- The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Hazard Potential Classification
- High
- Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
- Significant
- Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environmental damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
- Low
- Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
- Undetermined
- Dams for which a downstream hazard potential has not been designated or is not provided.
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around Muddy Grimes Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Au Train River At Forest Lake | 137 cfs | → |
| Sturgeon River Near Nahma Junction | 261 cfs | → |
| Manistique River Near Manistique | 2,540 cfs | → |
| Escanaba River At Cornell | 1,200 cfs | → |
| Middle Branch Escanaba River Nr Princeton | 279 cfs | → |
| Ford River Near Hyde | 428 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Muddy Grimes Dam.
Boat launches
- Boy Scout Road Alger County
- Federal Forest Highway 13 Inwood Township
- Red Jack Lake Road Alger County
- Bruno's Run Inwood Township
Campgrounds
- Island Lake Campground
- Hovey Lake Campsites
- Hovey Lake Campground
- Council Lake Campsites
- Pete's Lake Campground
- Widewaters Campground
Fishing spots
Paddle runs
- From Sixteen Mile Lake To North Line Of Sec 26, T43n, R19w
- County Road H-58 (Aka. Adams Trail/ Munising-Van Meer-Shingleton Rd.) To Mouth At Lake Superior
- West Branch From Source In Sec 26, T46n, R23 W To Junction With County Road 444
- Section 17, T48n, R17w (Boundary Of Pictured Rocks National Lakeshore Lands) To Mouth At Lake Superior
Track Muddy Grimes Dam in the Snoflo app
Save this dam as a favorite and get the local NOAA / yr.no forecast plus regional flow context wherever you are.
About Muddy Grimes Dam
Where does the data for Muddy Grimes Dam come from?
Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.
What does the Low hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Muddy Grimes Dam.