Dam Report

White Line Reservoir dam

Oregon, USA Swan Lake, Trib To Hazard Low
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Dam height
21ft
Hazard rating
Low
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White Line Reservoir -- None dam
White Line Reservoir None · Swan Lake, Trib To
About this dam

White Line Reservoir

White Line Reservoir, located in Klamath, Oregon, is a privately owned earth dam that was completed in 1959 for irrigation purposes. The reservoir has a storage capacity of 2,962 acre-feet and a surface area of 434 acres, drawing water from Swan Lake, a tributary to the area. With a low hazard potential and a condition assessment of 'Not Rated', the dam is regulated by the Oregon Water Resources Department and undergoes regular inspections to ensure its safety and integrity.

The White Line Reservoir dam stands at a height of 21 feet, with a hydraulic height of 19 feet and a structural height of 23 feet. The reservoir is designed to handle a maximum discharge of 1200 cubic feet per second, with a drainage area of 42 square miles. Despite its age, the dam has not been modified in recent years and is deemed to meet guidelines for emergency action plans, although details on risk assessment and management measures are not currently available.

Managed by private owners, White Line Reservoir serves as a crucial water resource for irrigation in the region. Its location in a remote area with no downstream settlement underscores its significance in providing water for agricultural purposes. With its robust infrastructure and regular state oversight, the reservoir continues to play a vital role in sustaining water supply for the surrounding area.

StateNone
River / streamSwan Lake, Trib To
NID IDOR00152
Owner typePrivate
Primary purposeIrrigation
Dam typeEarth
Year built1959
Dam height21 ft
Dam length300 ft
Max storage2,962 AF
Normal storage2,692 AF
Surface area434.0 ac
Drainage area42.0 sq mi
Hazard potentialLow
ConditionNot Rated
Last inspectionTue, 15 Aug 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 White Line Reservoir -- inflows here typically show up in storage 24-72 hours later.

Track White Line Reservoir 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 White Line Reservoir

Where does the data for White Line Reservoir 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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