Dam Report

Blair No. 2 dam

Alabama, USA Tr Of Lynch Creek Hazard Significant
Today high
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Tonight low
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Dam height
21ft
Hazard rating
Significant
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Blair No. 2 -- None dam
Blair No. 2 None · Tr Of Lynch Creek
About this dam

Blair No. 2

Blair No. 2 is a private earth dam located in Clay, Alabama, near the city of Bluff Springs. Completed in 1961, this dam serves primarily for recreational purposes and has a hydraulic height of 17 feet and a structural height of 21 feet. With a storage capacity of 50 acre-feet, it offers a maximum discharge of 540 cubic feet per second. Despite its age, the dam is still considered to have a significant hazard potential, although its condition has not been officially rated.

Situated on a tributary of Lynch Creek, Blair No. 2 provides a serene backdrop for water resource and climate enthusiasts to explore and appreciate the natural beauty of the area. The dam's location in the Mobile District of Alabama offers a unique opportunity to observe the impact of water management practices on the surrounding environment. With a normal storage capacity of 30 acre-feet and a length of 330 feet, Blair No. 2 remains a key feature in the region's water resource infrastructure.

While Blair No. 2 may not be actively regulated or inspected by state agencies, its presence highlights the importance of sustainable water resource management in the face of changing climate conditions. As a private structure, the dam serves as a reminder of the need for proactive measures to ensure the safety and longevity of our water infrastructure. Whether for recreational enjoyment or environmental study, Blair No. 2 stands as a significant landmark in the ongoing dialogue surrounding water resources and climate resilience.

StateNone
River / streamTr Of Lynch Creek
NID IDAL01774
Owner typePrivate
Primary purposeRecreation
Dam typeEarth
Year built1961
Dam length330 ft
Max storage50 AF
Normal storage30 AF
Hazard potentialSignificant
ConditionNot Rated

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 Blair No. 2 -- inflows here typically show up in storage 24-72 hours later.

Track Blair No. 2 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 Blair No. 2

Where does the data for Blair No. 2 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.

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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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