Dam Report

Elkem Sludge Holding Pond 5c Dam dam

Ohio, USA Tributary To Lake Erie - Offstream Hazard Significant
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Dam height
20ft
Hazard rating
Significant
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Elkem Sludge Holding Pond 5c Dam -- None dam
Elkem Sludge Holding Pond 5c Dam None · Tributary To Lake Erie - Offstream
About this dam

Elkem Sludge Holding Pond 5c Dam

Elkem Sludge Holding Pond 5c Dam, located in Ashtabula, Ohio, was completed in 1988 and serves as a crucial structure for tailings management. This private dam, designed by BURGESS & NIPLE, LIMITED, stands at a height of 20 feet and has a length of 2475 feet, with a storage capacity of 190 acre-feet. The dam is state-regulated by the Department of Natural Resources and undergoes regular inspections, with the last assessment conducted in October 2017, revealing a fair condition.

Situated near a tributary to Lake Erie, the Elkem Sludge Holding Pond 5c Dam plays a pivotal role in water resource management, with a significant hazard potential noted. The dam covers a surface area of 9.3 acres and has a drainage area of 0.02 square miles, further emphasizing its importance in maintaining water quality and quantity in the region. Despite its fair condition, the dam's emergency action plan and risk assessment measures are yet to be fully developed, raising concerns for potential risks associated with the structure.

For water resource and climate enthusiasts, the Elkem Sludge Holding Pond 5c Dam stands as a notable earth dam that warrants attention and monitoring. With its strategic location and role in tailings management, the dam serves as a key component of the region's infrastructure. Continued regulatory oversight and the implementation of risk management measures are essential to ensure the safety and effectiveness of this vital water resource structure in Ashtabula, Ohio.

StateNone
River / streamTributary To Lake Erie - Offstream
NID IDOH01180
Owner typePrivate
Primary purposeTailings
Dam typeEarth
Year built1988
Dam height20 ft
Dam length2,475 ft
Max storage190 AF
Normal storage160 AF
Surface area9.3 ac
Drainage area0.0 sq mi
Hazard potentialSignificant
ConditionFair
Last inspectionTue, 24 Oct 2017 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 Elkem Sludge Holding Pond 5c Dam -- inflows here typically show up in storage 24-72 hours later.

Track Elkem Sludge Holding Pond 5c Dam in the Snoflo app

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FAQ

About Elkem Sludge Holding Pond 5c Dam

Where does the data for Elkem Sludge Holding Pond 5c 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 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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