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Ground-Water Hydrology of the Upper Klamath Basin, Oregon and ...

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Table 6 83<br />

Table 6. Estimated ground-water discharge to principal stream reaches in <strong>the</strong> upper <strong>Klamath</strong> <strong>Basin</strong>, <strong>Oregon</strong> <strong>and</strong> California.—Continued<br />

[Reach: River miles in Reach column are from <strong>Oregon</strong> <strong>Water</strong> Resources Department <strong>Klamath</strong> Drainage <strong>Basin</strong> Map, Map No. 14.6, 1971. Confidence level: Confidence levels represent a subjective assessment<br />

<strong>of</strong> <strong>the</strong> interval (plus or minus) that has a 95 percent probability <strong>of</strong> containing <strong>the</strong> true value. Confidence level categories are: 1, 10 percent; 2, 20 percent; 3, 30 percent; 4, 50 percent; 5, data insufficient to assess<br />

uncertainty. Subtotals rounded to two significant figures. Unless o<strong>the</strong>rwise noted, values were derived by taking <strong>the</strong> average <strong>of</strong> estimated discharge in <strong>the</strong> fall (Sept, Oct, Nov). USGS synoptic measurement<br />

data from Leonard <strong>and</strong> Harris (1974). Abbreviations: BOR, Bureau <strong>of</strong> Reclamation; CDWR, California Department <strong>of</strong> <strong>Water</strong> Resources; Cr, Creek; ft 3 /s, cubic feet per second; Hwy, Highway; mi, mile; NA,<br />

not applicable; NPS, National Park Service; OWRD, <strong>Oregon</strong> <strong>Water</strong> Resources Department; R, River; Res, Reservoir; RM, river mile; RR, rail road; USFS, U.S. Forest Service; USGS, U.S. Geological Survey]<br />

Number Stream name Reach<br />

75 Lost River Kirsh Bridge (RM<br />

34.8) to Stevenson<br />

Park (RM 30.5)<br />

76 Miller Creek Gerber Reservoir to<br />

mouth<br />

Estimated gain<br />

(+) or loss (-)<br />

(ft 3 /s)<br />

Subtotal for Lost River 200<br />

Data source<br />

29 OWRD synoptic<br />

measurement<br />

4 OWRD<br />

measurement<br />

<strong>and</strong> BOR<br />

reservoir<br />

outflow data<br />

Period <strong>of</strong><br />

record<br />

Methods Remarks<br />

Confidence<br />

level<br />

12/1997 Synoptic measurement 4<br />

12/1997 Mass balance from measurement<br />

<strong>and</strong> reservoir release data.<br />

4<br />

77 Williow Creek Measured at bridge<br />

crossing about 3 mi<br />

from headwater<br />

springs<br />

78 Cottonwood<br />

Creek<br />

Combined<br />

measurements <strong>of</strong><br />

headwaters<br />

springs<br />

79 Sheepy Creek Measured at road<br />

crossing (48N/1E-<br />

35) about 1 mi north<br />

<strong>of</strong> headwater springs<br />

80 Hot Creek Measured at outlet <strong>of</strong><br />

empty reservoir<br />

47N/1E-3 about 0.5<br />

mi from headwater<br />

springs<br />

Subtotal for lower <strong>Klamath</strong> Lake 35<br />

5.8 USGS<br />

measurements<br />

(4)<br />

10 USGS<br />

measurements<br />

(4)<br />

16 USGS<br />

measurements<br />

(5)<br />

3.4 CDWR <strong>and</strong><br />

USGS<br />

measurements<br />

12/1954–<br />

3/1955<br />

12/1954–<br />

5/1955<br />

11/1954–<br />

5/1955<br />

12/1954<br />

(stream)<br />

6/1954<br />

(wells)<br />

Average Wood, 1960 4<br />

Average Wood, 1960 4<br />

Average Wood, 1960 4<br />

Flow <strong>of</strong> spring-fed stream with<br />

probable contributions from<br />

flowing artesian wells<br />

subtracted<br />

Wood, 1960 4

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