Dam Report

Middle Fork dam

Colorado, USA Middle Fork Parachute Cr Hazard High
Today high
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Tonight low
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Dam height
123ft
Hazard rating
High
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Middle Fork -- None dam
Middle Fork None · Middle Fork Parachute Cr
About this dam

Middle Fork

Middle Fork, located in Garfield, Colorado, is a private dam regulated by the state with a primary purpose of flood risk reduction. Completed in 1984, this gravity dam stands at a height of 123 feet and has a storage capacity of 390 acre-feet. The dam, with a multi-arch core type and rock foundation, spans 410 feet in length and serves the Middle Fork Parachute Creek, providing critical flood protection and water supply in the region.

Despite its satisfactory condition assessment, Middle Fork poses a high hazard potential and undergoes regular inspections to ensure its structural integrity. With a moderate risk assessment rating, the dam's emergency action plan is up to date, but further risk management measures may be necessary to mitigate potential threats. Its uncontrolled spillway and maximum discharge capacity of 800 cubic feet per second highlight the importance of effective monitoring and maintenance to safeguard the surrounding communities and water resources.

Middle Fork's strategic location and vital role in flood control and water supply underscore the significance of its operation and maintenance. As a key asset in the region's water resource infrastructure, the dam serves as a critical line of defense against potential disasters while supporting the needs of local residents and ecosystems. Ongoing vigilance and proactive risk management efforts are essential to ensure the long-term safety and functionality of Middle Fork in the face of evolving climate challenges and water resource dynamics.

StateNone
River / streamMiddle Fork Parachute Cr
NID IDCO02698
Owner typePrivate
Primary purposeFlood Risk Reduction
Dam typeGravity
Year built1984
Dam height123 ft
Dam length410 ft
Max storage390 AF
Normal storage140 AF
Surface area5.0 ac
Drainage area6.0 sq mi
Hazard potentialHigh
ConditionSatisfactory
Last inspectionTue, 15 Sep 2020 00:00:00 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 Middle Fork -- inflows here typically show up in storage 24-72 hours later.

Track Middle Fork 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.

FAQ

About Middle Fork

Where does the data for Middle Fork 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.

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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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