Water-Data Report 2011 11404500 North Fork Feather River at Pulga, CA Sacramento River Basin LOCATION.--Lat 39°47′40″, long 121°27′02″ referenced to North American Datum of 1927, in SE ¼ NE ¼ sec.6, T.22 N., R.5 E., Butte County, CA, Hydrologic Unit 18020121, Plumas National Forest, on left bank between railroad and highway bridges, 0.6 mi downstream from Flea Valley Creek and Pulga, and 1.6 mi downstream from Poe Dam. DRAINAGE AREA.--1,953 mi². SURFACE-WATER RECORDS PERIOD OF RECORD.--October 1910 to current year. Monthly discharge only for some periods and yearly estimates for water years 1911 and 1938, published in WSP 1315-A. Prior to October 1960, published as "at Big Bar." CHEMICAL DATA: Water years 1963-66, 1972, 1977. WATER TEMPERATURE: Water years 1963-83. REVISED RECORDS.--WSP 931: 1938 (instantaneous maximum discharge), 1940. WSP 1515: 1935. WDR CA-77-4: 1976 (yearly summaries). GAGE.--Water-stage recorder. Datum of gage is 1,305.62 ft above NGVD of 1929. Prior to Oct. 1, 1937, at site 1.1 mi upstream at different datum. Oct. 1, 1937, to Sept. 30, 1958, at present site at datum 5.00 ft higher. COOPERATION.--Records, including diversion to Poe Powerplant (station 11404900), were collected by Pacific Gas and Electric Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2107. REMARKS.--Flow regulated by Lake Almanor, Bucks Lake, Butt Valley Reservoir (stations 11399000, 11403500, and 11401050, respectively), Mountain Meadows Reservoir, and five forebays, combined capacity, 1,386,000 acre-ft. Diversion through Poe Powerplant began on May 29, 1958. See schematic diagrams of North Fork Feather River and South Fork Feather River Basins available from the California Water Science Center. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 105,400 ft³/s, Jan. 1, 1997, gage height, 41.65 ft, from rating curve extended above 32,000 ft³/s, on basis of slope area measurement of peak discharge; minimum daily, 5.4 ft³/s, Sept. 18, 1977. U.S. Department of the Interior Suggested citation: U.S. Geological Survey, 2012, Water-resources data for the United States, Water U.S. Geological Survey Year 2011: U.S. Geological Survey Water-Data Report WDR-US-2011, site 11404500, accessed at http://wdr.water.usgs.gov/wy2011/pdfs/11404500.2011.pdf Water-Data Report 2011 11404500 North Fork Feather River at Pulga, CA—Continued DISCHARGE, CUBIC FEET PER SECOND WATER YEAR OCTOBER 2010 TO SEPTEMBER 2011 DAILY MEAN VALUES Day Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1 133 132 1,560 2,080 1,580 185 5,370 3,330 794 147 134 132 2 130 131 1,860 2,170 1,690 251 6,880 3,280 360 150 134 132 3 130 129 2,120 2,300 1,350 1,510 7,690 3,720 893 150 132 129 4 129 128 2,290 1,890 1,650 2,060 6,340 4,080 529 151 136 131 5 129 128 2,590 1,710 1,290 1,490 5,550 4,470 396 146 131 130 6 133 129 5,850 1,850 251 2,420 5,330 5,040 2,120 147 131 129 7 128 170 4,260 1,610 152 3,380 4,920 5,580 4,370 140 130 130 8 126 147 3,360 1,480 160 3,050 4,060 5,980 3,790 275 131 135 9 131 136 3,950 1,410 154 2,520 3,070 4,940 2,930 147 135 130 10 131 140 3,950 1,630 152 2,770 2,380 4,110 2,590 150 135 129 11 128 136 2,240 1,570 150 3,680 2,300 3,960 2,810 142 131 127 12 127 131 1,880 1,610 666 3,390 2,490 4,100 3,070 144 134 127 13 124 125 1,940 1,710 159 3,180 2,560 4,280 3,220 142 134 131 14 123 126 2,970 2,280 165 6,560 4,270 4,300 3,230 139 134 136 15 127 124 3,720 1,900 2,300 8,110 3,910 3,710 3,150 141 134 131 16 126 126 1,950 1,940 4,040 15,200 3,440 3,040 3,070 137 134 132 17 129 126 1,920 2,640 2,500 11,100 3,550 3,030 3,020 139 132 134 18 127 125 5,170 2,680 1,580 8,850 7,590 3,260 2,750 139 131 134 19 124 129 11,900 2,510 863 6,910 7,910 2,520 2,790 137 130 132 20 121 142 9,140 2,030 487 6,450 6,850 2,420 2,740 135 134 130 21 128 144 5,260 2,130 621 5,610 8,060 2,630 2,760 137 134 129 22 125 144 4,190 1,760 355 4,900 6,940 2,870 2,710 137 132 128 23 136 169 3,430 2,120 198 4,520 5,420 3,210 2,580 135 131 127 24 1,230 147 2,970 2,340 385 4,860 5,600 3,220 2,120 135 129 128 25 153 140 2,420 1,480 638 4,490 6,000 3,590 1,680 136 128 136 26 139 135 2,870 1,510 211 4,170 5,680 3,330 1,390 132 128 134 27 134 144 2,990 1,370 192 2,570 4,760 1,950 1,510 138 130 130 28 134 141 2,990 1,330 192 2,330 4,430 1,530 1,710 137 134 129 29 130 856 3,530 1,270 --- 2,190 4,040 1,320 1,280 136 131 127 30 135 1,710 3,140 2,250 --- 2,480 3,680 935 267 134 132 130 31 138 --- 2,730 2,020 --- 3,920 --- 894 --- 134 130 --- Total 5,138 6,390 111,140 58,580 24,131 135,106 151,070 104,629 66,629 4,489 4,096 3,919 Mean 166 213 3,585 1,890 862 4,358 5,036 3,375 2,221 145 132 131 Max 1,230 1,710 11,900 2,680 4,040 15,200 8,060 5,980 4,370 275 136 136 Min 121 124 1,560 1,270 150 185 2,300 894 267 132 128 127 Ac-ft 10,190 12,670 220,400 116,200 47,860 268,000 299,600 207,500 132,200 8,900 8,120 7,770 Diversion, in acre-feet, to Poe Powerplant 111,500 102,400 92,030 137,300 113,200 153,500 220,200 239,000 229,800 200,100 113,100 108,900 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1911 - 2011, BY WATER YEAR (WY) Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Mean 851 1,031 1,629 2,093 2,561 2,694 3,246 2,820 1,468 861 809 771 Max 2,943 4,594 10,690 14,120 14,320 11,960 13,580 12,460 7,689 2,771 2,441 2,430 (WY) (1963) (1951) (1956) (1997) (1986) (1995) (1952) (1922) (1911) (1952) (1952) (1952) Min 16.4 26.4 50.7 52.6 56.0 58.2 54.9 41.7 34.0 32.6 13.3 14.2 (WY) (1978) (1978) (1977) (1977) (1990) (1977) (1990) (1977) (1977) (1977) (1977) (1977) — 2 — Water-Data Report 2011 11404500 North Fork Feather River at Pulga, CA—Continued SUMMARY STATISTICS Calendar Year 2010 Water Year 2011 Water Years 1911 - 2011 Annual total 281,162 675,317 Annual mean 770 1,850 1,710 Highest annual mean 5,320 1952 Lowest annual mean 42.7 1977 Highest daily mean 11,900 Dec 19 15,200 Mar 16 101,000 Jan 1, 1997 Lowest daily mean 121 Oct 20 121 Oct 20 5.4 Sep 18, 1977 Annual seven-day minimum 125 Oct 14 125 Oct 14 12 Aug 10, 1977 Maximum peak flow 19,600 Mar 16 105,400 Jan 1, 1997 Maximum peak stage 18.23 Mar 16 41.65 Jan 1, 1997 Annual runoff (ac-ft) 557,700 1,339,000 1,238,000 Annual diversion (ac-ft) a 1,457,000 1,821,000 10 percent exceeds 2,480 4,620 4,310 50 percent exceeds 165 1,280 1,050 90 percent exceeds 130 129 56 a Diversion, in acre-feet, to Poe Powerplant (station 11404900). 100,000 50,000 20,000 10,000 5,000 2,000 1,000 MEAN DISCHARGE, CUBICSECOND FEET PER 500 200 100 O N D J F M A M J J A S 2010 2011 — 3 — .