Dam Report

Harris Saunders Dam dam

Alabama, USA Tr-Mahan Creek Hazard Low
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Tonight low
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Dam height
41ft
Hazard rating
Low
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Harris Saunders Dam -- None dam
Harris Saunders Dam None · Tr-Mahan Creek
About this dam

Harris Saunders Dam

Harris Saunders Dam, located in Dry Valley, Alabama, was completed in 1974 by the USDA NRCS and serves as a fish and wildlife pond. The earth dam stands at a height of 41 feet and has a length of 375 feet, providing a storage capacity of 138 acre-feet. The dam's primary purposes include fish and wildlife conservation, as well as recreation for enthusiasts in the Chilton County area.

With a low hazard potential and moderate risk assessment rating, Harris Saunders Dam is a key feature along TR-Mahan Creek. The uncontrolled spillway, with a width of 65 feet, allows for a maximum discharge of 380 cubic feet per second. Although the dam is privately owned, it does not fall under state or federal regulatory jurisdiction, highlighting its unique status in the region.

For water resource and climate enthusiasts, Harris Saunders Dam offers a glimpse into the intersection of conservation efforts and recreational opportunities in Alabama. With its focus on fish and wildlife preservation and limited hazard potential, this earth dam serves as a valuable asset in the local ecosystem while providing a space for outdoor activities in the surrounding area.

StateNone
River / streamTr-Mahan Creek
NID IDAL02003
Owner typePrivate
Primary purposeFish And Wildlife Pond
Dam typeEarth
Year built1974
Dam height41 ft
Dam length375 ft
Max storage138 AF
Normal storage112 AF
Surface area8.0 ac
Drainage area0.2 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 Harris Saunders Dam -- inflows here typically show up in storage 24-72 hours later.

Track Harris Saunders Dam 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 Harris Saunders Dam

Where does the data for Harris Saunders Dam 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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