Dam Report

Miller Dam 1475 dam

Nebraska, USA Tr-Blackwood Creek Hazard Low
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Dam height
15ft
Hazard rating
Low
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Miller Dam 1475 -- None dam
Miller Dam 1475 None · Tr-Blackwood Creek
About this dam

Miller Dam 1475

Miller Dam 1475, located in Hitchcock, Nebraska, is a privately owned earth dam completed in 1960 with a primary purpose of fire protection, stock, or small fish pond. Standing at a height of 15 feet and with a storage capacity of 63.1 acre-feet, this dam serves as a vital resource for the local area. The dam's low hazard potential and not rated condition assessment highlight its importance in providing water security while also minimizing risks to the surrounding community.

Managed by the Nebraska Department of Natural Resources, Miller Dam 1475 is subject to state regulations, inspections, and enforcement to ensure its structural integrity and operational efficiency. With a drainage area of 4.4 square miles and the ability to discharge up to 855 cubic feet per second, this dam plays a crucial role in water management and conservation efforts in the region. Its location in the Blackwood Creek watershed adds to its significance in protecting the local ecosystem and supporting agricultural activities.

As a key component of the water infrastructure in the area, Miller Dam 1475 serves as a valuable resource for fire protection, livestock, and recreational purposes. With its modest surface area of 7 acres and normal storage capacity of 24 acre-feet, the dam plays a vital role in meeting the water needs of the community. Regular inspections, emergency preparedness measures, and adherence to state regulations ensure the safety and reliability of this essential water resource for the residents of Hitchcock County, Nebraska.

StateNone
River / streamTr-Blackwood Creek
NID IDNE01475
Owner typePrivate
Primary purposeFire Protection, Stock, Or Small Fish Pond
Dam typeEarth
Year built1960
Dam height15 ft
Dam length151 ft
Max storage63 AF
Normal storage24 AF
Surface area7.0 ac
Drainage area4.4 sq mi
Hazard potentialLow
ConditionNot Rated
Last inspectionMon, 01 Oct 2018 12:00:00 GMT

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.
Detailed forecast

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.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

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.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Regional inflow

Nearby streamflow gauges

USGS streamgauges around Miller Dam 1475 -- inflows here typically show up in storage 24-72 hours later.

Track Miller Dam 1475 in the Snoflo app

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FAQ

About Miller Dam 1475

Where does the data for Miller Dam 1475 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.

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Manage alerts in the Snoflo app

Custom alerts are configured in the iOS app -- favorite this dam, set a threshold, and you'll get a push the moment conditions cross.

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