Isp Minerals Primary Dam dam
Isp Minerals Primary Dam
The Isp Minerals Primary Dam, located in Iron County, Missouri, was completed in 1988 and stands at a height of 50 feet with a length of 250 feet. The dam is primarily an Earth and Rockfill type, with a core made of stone and a foundation of rock. It has a storage capacity of 720 acre-feet, with a normal storage level of 600 acre-feet, encompassing a surface area of 36 acres and draining a watershed of 99 square miles.
Managed by a private owner, the dam is regulated by the Dam and Reservoir Safety Program in Missouri. It is inspected regularly and was deemed to be in satisfactory condition during its last assessment in January 2017. The dam has a spillway width of 75 feet and a maximum discharge capacity of 80 cubic feet per second, with an uncontrolled spillway type. The hazard potential is classified as high, with a moderate risk assessment rating of 3.
With its significant storage capacity and strategic location within the St. Louis District, the Isp Minerals Primary Dam serves as a vital resource for water retention and flood control in the region. Its construction and maintenance are closely monitored to ensure the safety of nearby communities and the surrounding environment, making it a key component in the management of water resources and climate resilience in the area.
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 Isp Minerals Primary Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Black River Near Annapolis | 262 cfs | → |
| East Fork Black River At Lesterville | 44 cfs | → |
| St. Francis River Near Saco | 84 cfs | → |
| St. Francis River Near Patterson | 365 cfs | → |
| East Fork Black River Nr Lesterville | 5 cfs | → |
| Logan Creek At Ellington | 5 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Isp Minerals Primary Dam.
Boat launches
- Ozark Trail - Marble Creek Section Iron County
- Mudlick Equestrian And Hike Trail Wayne County
- Wayne County
- Bismarch Lake Road St. Francois County
- Enough Boat Launch And Trailhead
- Council Bluff Lake Trail Washington County
Campgrounds
- Highway K - Clearwater Lake
- Marble Creek Recreation Area
- Marble Creek Rec Area
- Sam A Baker State Park
- Bluff View - Clearwater Lake
- Piedmont - Clearwater Lake
Fishing spots
- Crane Lake Recreation Area
- Howell Lake
- Huzzah Ponds
- Parole Lake
- Beaver Lake Recreation Area
- Timberline Lake
Paddle runs
- Forest Boundary At North Section Line Of Sec 4, T33n, R5e To Forest Boundary At South Section Line Of Sec 35, T32n, R5e
- Markam Spring Recreation Area To Nf Boundary
- The Most Upstream Portion Of Ozark National Scenic Riverways To The Most Downstream Portion Of Ozark National Scenic Riverways
- Confluence With Alley Spring (Branch) To Confluence With Current River (Does Not Include River Segment In Gap Between Parkland Units)
- State Highway 49 Bridge Near Dillard, Missouri To Forest Boundary In Sections 13/24, T38n, R3w
Track Isp Minerals Primary 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 Isp Minerals Primary Dam
Where does the data for Isp Minerals Primary 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 High 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 Isp Minerals Primary Dam.