Dam Report

Powell Sewage Lagoon System-Primary (1) dam

Wyoming, USA Drainage Of Bitter Creek Hazard Low
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Dam height
8ft
Hazard rating
Low
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Powell Sewage Lagoon System-Primary (1) -- None dam
Powell Sewage Lagoon System-Primary (1) None · Drainage Of Bitter Creek
About this dam

Powell Sewage Lagoon System-Primary (1)

Located in Park, Wyoming, the Powell Sewage Lagoon System-Primary (1) is a vital water resource management infrastructure designed by Donald J. Livingston and completed in 1988. This Earth-type dam stands at a height of 8 feet and has a hydraulic height of 5 feet, with a length of 3300 feet and a storage capacity of 57 acre-feet. Situated on the drainage of Bitter Creek, this lagoon system is owned and regulated by the local government, with state oversight ensuring proper permitting, inspection, and enforcement.

With a low hazard potential and fair condition assessment, the Powell Sewage Lagoon System-Primary (1) serves a critical purpose in managing wastewater and protecting the surrounding environment. Despite its age, the dam continues to meet regulatory standards and operate effectively, with controlled outlet gates and a lack of spillway indicating a stable water management system. Additionally, the risk assessment for this infrastructure highlights moderate risk, emphasizing the importance of ongoing monitoring and maintenance to ensure its continued functionality.

In the event of an emergency, the Powell Sewage Lagoon System-Primary (1) is equipped with emergency action plans to guide response efforts, although the last revision date is not specified. With Liz Cheney as the Congressional representative for the area, this structure plays a crucial role in safeguarding water quality and supporting sustainable development in the region. For water resource and climate enthusiasts, the Powell Sewage Lagoon System-Primary (1) represents a key component of infrastructure management and environmental protection in the state of Wyoming.

StateNone
River / streamDrainage Of Bitter Creek
NID IDWY01812
Owner typeLocal Government
Primary purposeOther
Dam typeEarth
Year built1988
Dam height8 ft
Dam length3,300 ft
Normal storage57 AF
Surface area43.0 ac
Hazard potentialLow
ConditionFair
Last inspectionTue, 11 May 2021 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 Powell Sewage Lagoon System-Primary (1) -- inflows here typically show up in storage 24-72 hours later.

Track Powell Sewage Lagoon System-Primary (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 Powell Sewage Lagoon System-Primary (1)

Where does the data for Powell Sewage Lagoon System-Primary (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.