Square Butte Creek Dam 6 dam
Square Butte Creek Dam 6
Square Butte Creek Dam 6, also known as Harmon Lake, is a local government-owned earth dam in Morton County, North Dakota. Completed in 2007 by the USDA NRCS, this dam serves primarily for recreational purposes and is regulated by the North Dakota State Water Commission. With a structural height of 80.7 feet and a maximum storage capacity of 8,297 acre-feet, Square Butte Creek Dam 6 is a significant water resource in the area.
Located on Otter Creek, this dam has a spillway width of 450 feet and a drainage area of 37.4 square miles. The dam's hazard potential is deemed significant, with a moderate risk assessment rating of 3. While the condition of the dam is currently not rated, inspections are conducted periodically to ensure its safety and integrity. With a surface area of 144 acres and a normal storage capacity of 2,399 acre-feet, Square Butte Creek Dam 6 plays a vital role in water management and recreation in the region.
Despite being a relatively new structure, Square Butte Creek Dam 6 has already become a key feature in the local landscape, providing both recreational opportunities and essential water management functions. With its stone core and soil foundation, this earth dam stands as a testament to the collaborative efforts of the USDA NRCS and the state regulatory agencies in ensuring the safety and efficiency of water resources in North Dakota.
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 Square Butte Creek Dam 6 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Burnt Creek Nr Bismarck | 1 cfs | → |
| Heart River Nr Mandan | 70 cfs | → |
| Missouri River At Bismarck | 17,400 cfs | → |
| Square Butte Creek Below Center | 1 cfs | → |
| Hay Creek At Main Avenue In Bismarck | 3 cfs | → |
| Sweetbriar Creek Nr Judson | 2 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Square Butte Creek Dam 6.
Boat launches
- Burleigh County
- River Road Oliver County
- I 94 Mandan
- River Road Bismarck
- Mills Avenue Bismarck
- Downing Street 4008, Bismarck
Campgrounds
- Crown Butte Dam
- Sweetbriar Lake - Southeast Ramp - Nd Gfd
- Sweet Briar Lake
- Sweetbriar Lake-Northwest Ramp - Nd Gfd
- General Sibley City Park
- North City Park
Paddle runs
Track Square Butte Creek Dam 6 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 Square Butte Creek Dam 6
Where does the data for Square Butte Creek Dam 6 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 Significant 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 Square Butte Creek Dam 6.