Newcastle Wastewater Treatment (Cell 2) Reservoir Report
Last Updated: December 5, 2025
Newcastle Wastewater Treatment (Cell 2) is a vital facility managed by the City of Newcastle in Wyoming.
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Summary
Designed by Lawrence T. Price and completed in 1988, this Earth-type dam stands at a height of 15 feet with a hydraulic height of 12 feet. Located near the Pete Draw river, the dam has a storage capacity of 131 acre-feet and covers a surface area of 81 acres. Despite a fair condition assessment during the last inspection in 2017, the dam is classified as having a low hazard potential.
The facility features other controlled outlet gates and serves a primary purpose that falls under the category of "Other." While the dam structure itself is in good standing, there are high-risk factors associated with the site, as indicated by a risk assessment rating of 2. The Newcastle Wastewater Treatment (Cell 2) dam plays a crucial role in managing the city's wastewater and ensuring environmental protection in the region. As climate change impacts water resources, it is essential to monitor and maintain such infrastructure to safeguard against potential risks and ensure the continued sustainable management of water resources in the area.
Year Completed |
1988 |
Dam Length |
5320 |
Dam Height |
15 |
River Or Stream |
PETE DRAW |
Primary Dam Type |
Earth |
Surface Area |
81 |
Hydraulic Height |
12 |
Nid Storage |
131 |
Structural Height |
15 |
Outlet Gates |
Other Controlled - 6 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
15 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
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. Investigations and studies are necessary.
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.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams 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, environment 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.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Newcastle Wastewater Treatment (Cell 1)