Dam Report

Rossiter dam

Pennsylvania, USA Tr Canoe Creek Hazard High
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Tonight low
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Dam height
15ft
Hazard rating
High
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Rossiter -- None dam
Rossiter None · Tr Canoe Creek
About this dam

Rossiter

Rossiter, located in Canoe Township, Pennsylvania, is a vital water supply dam on the TR Canoe Creek, serving as a primary source of water for the region. Built in 1919, this earth dam stands at a height of 15 feet and spans 500 feet in length, with a storage capacity of 49 acre-feet. Although the dam is regulated and inspected by the Pennsylvania Department of Environmental Protection, it has been rated as having a high hazard potential and poor condition assessment.

Despite its age, Rossiter continues to play a crucial role in providing water for local communities in Indiana County, Pennsylvania. With a normal storage capacity of 17 acre-feet and a surface area of 5 acres, this dam serves as a lifeline for the area's water needs. However, concerns have been raised about its condition and the potential hazards it poses, highlighting the importance of ongoing maintenance and monitoring to ensure the safety and reliability of this essential water resource.

As climate change impacts water resources and infrastructure, the significance of structures like Rossiter becomes even more pronounced. With the potential for increased extreme weather events and changing precipitation patterns, the need to assess and address the risks associated with aging dams like Rossiter is paramount. As enthusiasts of water resources and climate, it is crucial to advocate for the continued maintenance, inspection, and potential upgrades to ensure the resilience and sustainability of vital water supply systems like Rossiter in the face of a changing climate.

StateNone
River / streamTr Canoe Creek
NID IDPA01080
Owner typeLocal Government
Primary purposeWater Supply
Dam typeEarth
Year built1919
Dam height15 ft
Dam length500 ft
Max storage49 AF
Normal storage17 AF
Surface area5.0 ac
Drainage area1.8 sq mi
Hazard potentialHigh
ConditionPoor
Last inspectionThu, 24 Sep 2020 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 Rossiter -- inflows here typically show up in storage 24-72 hours later.

Track Rossiter 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 Rossiter

Where does the data for Rossiter 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 High 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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