Dam Report

Bob Spiller dam

Alabama, USA Cypress Creek Hazard Low
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Dam height
23ft
Hazard rating
Low
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Bob Spiller -- None dam
Bob Spiller None · Cypress Creek
About this dam

Bob Spiller

Bob Spiller, also known as Spiller Lake, is a private fish and wildlife pond located in Tuscaloosa, Alabama. Built in 1971 by the USDA NRCS, this Earth-type dam stands at a height of 23 feet and spans 325 feet in length. With a storage capacity of 80 acre-feet, the dam serves multiple purposes including recreation and habitat for wildlife.

Situated on Cypress Creek in the Mobile District, Bob Spiller dam has a low hazard potential and is currently rated as not assessed for condition. Despite its uncontrolled spillway type, the dam poses a moderate risk with a drainage area of 0.05 square miles and a maximum discharge of 100 cubic feet per second. The surrounding area is under the jurisdiction of the state of Alabama and is not subject to state regulation or permitting.

For water resource and climate enthusiasts, Bob Spiller offers a unique opportunity to explore the intersection of water management and environmental conservation. With its focus on fish and wildlife habitat, this private pond serves as a valuable ecosystem for wildlife while also providing recreational opportunities for the local community. As efforts continue to monitor and assess the dam's condition and risk level, Bob Spiller remains a fascinating site for those interested in the sustainable management of water resources in Alabama.

StateNone
River / streamCypress Creek
NID IDAL02267
Owner typePrivate
Primary purposeFish And Wildlife Pond
Dam typeEarth
Year built1971
Dam height23 ft
Dam length325 ft
Max storage80 AF
Normal storage66 AF
Drainage area0.1 sq mi
Hazard potentialLow
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 Bob Spiller -- inflows here typically show up in storage 24-72 hours later.

Track Bob Spiller 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 Bob Spiller

Where does the data for Bob Spiller 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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