Dam Report

Lewis Lawson Dam No.1 dam

Alabama, USA Wrights Creek Offstram Hazard Low
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Dam height
28ft
Hazard rating
Low
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Lewis Lawson Dam No.1 -- None dam
Lewis Lawson Dam No.1 None · Wrights Creek Offstram
About this dam

Lewis Lawson Dam No.1

Lewis Lawson Dam No.1, located in Sawyerville, Alabama, stands as a vital structure designed by the USDA NRCS to serve as a Fish and Wildlife Pond. Completed in 1970, this Earth-type dam has a height of 28 feet and a length of 800 feet, providing a storage capacity of 310 acre-feet. The dam is situated on Wrights Creek offstream, within the Mobile District of the USACE, and is owned privately with no state jurisdiction or regulation.

Despite its low hazard potential and moderate risk assessment, Lewis Lawson Dam No.1 has not been rated for its condition as of yet. The dam features an uncontrolled spillway with a width of 40 feet and can discharge up to 170 cubic feet per second. While the dam has not been inspected since 1978, it remains an essential structure for supporting fish and wildlife in the area, with a primary purpose focused on conservation efforts. As a key component of the local ecosystem, the dam plays a crucial role in maintaining the balance of water resources and climate in the region.

StateNone
River / streamWrights Creek Offstram
NID IDAL00313
Owner typePrivate
Primary purposeFish And Wildlife Pond
Dam typeEarth
Year built1970
Dam height28 ft
Dam length800 ft
Max storage310 AF
Normal storage235 AF
Drainage area0.1 sq mi
Hazard potentialLow
ConditionNot Rated
Last inspectionSun, 29 Oct 1978 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 Lewis Lawson Dam No.1 -- inflows here typically show up in storage 24-72 hours later.

Track Lewis Lawson Dam No.1 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 Lewis Lawson Dam No.1

Where does the data for Lewis Lawson Dam No.1 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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