1998 California Hydrologic Data Report
10336675 WARD CREEK AT STANFORD ROCK TRAIL CROSSING, NEAR TAHOE CITY, CA
- 1998 WY
10336675 WARD CREEK AT STANFORD ROCK TRAIL CROSSING, NEAR TAHOE CITY, CA
LOCATION.-Lat 39°08'13", long 120°10'48", in NE 1/4 NW 1/4 sec.23, T.15 N., R.16 E., Placer County, Hydrologic Unit 16050101, Tahoe National Forest, on left bank 1.5 mi west of William Kent Campground, 1.7 mi upstream from mouth, and 3.6 mi southwest of Tahoe City.
DRAINAGE AREA.-8.97 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.-October 1991 to current year.
GAGE.-Water-stage recorder. Elevation of gage is 6,450 ft above sea level, from topographic map.
REMARKS.-Records fair except for daily discharges after Jan. 1, which are fair. No storage or diversion upstream from station. See schematic diagram of Truckee River Basin.
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 2,370 ft3/s, Jan. 1, 1997, gage height, 7.58 ft; maximum gage height, 8.23 ft, Jan. 10, 1995, backwater from ice; minimum daily, 0.30 ft3/s, Sept. 22, 1994.
EXTREMES FOR CURRENT YEAR.-Peak discharges greater than base discharge of 80 ft3/s, or maximum:
Discharge Gage height Discharge Gage height
Date Time (ft3/s) (ft) Date Time (ft3/s) (ft)
Mar. 24 0615 Unknown a5.71 June 7 0215 337 5.73
May 1 1900 178 5.40
a Backwater from ice.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 e1.3 1.4 1.4 1.8 4.7 3.7 31 112 125 e108 17 e3.0
2 1.7 1.4 1.4 e1.8 e4.7 3.7 28 97 104 e106 15 e2.9
3 1.4 1.4 1.4 1.8 e4.7 3.8 27 92 106 e98 e14 e2.7
4 1.3 1.4 1.4 e1.8 e4.7 4.1 25 92 104 e95 e13 e2.7
5 1.2 1.4 1.4 e1.8 e4.6 3.6 24 91 107 e96 e13 e3.1
6 1.2 1.4 1.4 e1.8 e4.6 e3.6 20 89 132 e104 e12 e3.7
7 1.2 1.4 2.3 1.8 e4.6 e6.0 16 87 e266 e103 e11 e3.1
8 1.3 1.4 1.8 1.7 e4.6 3.5 15 100 e209 e97 10 e3.1
9 2.6 1.4 1.5 1.7 e4.5 3.6 15 114 e196 e94 9.5 e8.0
10 2.5 1.4 1.6 1.7 e4.5 3.6 15 93 e203 e85 8.9 e5.7
11 2.0 1.4 1.5 1.7 e4.5 3.9 15 77 e194 e71 8.4 e4.2
12 1.9 1.4 1.5 7.4 4.5 4.2 12 68 e214 e61 8.0 e3.7
13 2.0 1.4 1.5 3.7 4.3 4.1 11 58 e239 e60 7.5 e3.5
14 2.0 1.4 1.5 2.4 e4.3 4.2 10 50 e229 e54 9.1 e3.3
15 2.0 1.4 1.4 12 e4.3 5.2 10 60 e193 48 8.5 3.1
16 1.9 1.4 1.4 e24 e4.2 7.1 11 63 e207 48 7.2 2.9
17 1.8 1.4 1.5 e50 e4.2 8.1 14 53 e169 45 6.6 2.8
18 1.7 1.4 1.5 24 e4.1 8.6 17 53 e181 41 6.3 2.7
19 1.6 2.6 1.5 14 4.1 9.1 22 60 e196 41 5.9 2.7
20 1.5 1.9 1.5 11 4.2 11 30 71 e183 39 5.5 2.6
21 1.5 1.7 1.5 8.0 e4.2 13 45 67 e194 37 5.2 2.6
22 1.5 1.7 1.6 6.7 e4.2 35 61 66 e185 36 5.0 2.6
23 1.5 1.9 1.7 6.1 e4.2 63 65 72 e159 33 4.8 2.5
24 1.5 1.8 1.8 5.7 e4.0 e160 45 82 e153 31 4.6 2.5
25 1.4 1.8 1.8 e5.5 e3.8 68 37 98 e170 29 4.5 2.5
26 1.4 2.6 2.0 5.2 3.6 44 38 84 e154 26 4.3 3.3
27 1.5 1.9 2.0 5.2 3.6 40 46 65 e131 24 4.2 4.3
28 1.5 1.6 2.0 5.2 3.5 39 57 61 e131 21 4.0 3.5
29 1.5 1.6 1.9 e5.1 --- 43 68 60 e130 20 e3.8 3.2
30 1.5 1.5 1.9 5.1 --- 38 90 59 e122 19 e3.4 3.2
31 1.4 --- 1.9 4.7 --- 34 --- 83 --- 18 e3.1 ---
TOTAL 50.3 47.8 50.5 230.4 120.0 681.7 920 2377 5086 1788 243.3 99.7
MEAN 1.62 1.59 1.63 7.43 4.29 22.0 30.7 76.7 170 57.7 7.85 3.32
MAX 2.6 2.6 2.3 50 4.7 160 90 114 266 108 17 8.0
MIN 1.2 1.4 1.4 1.7 3.5 3.5 10 50 104 18 3.1 2.5
AC-FT 100 95 100 457 238 1350 1820 4710 10090 3550 483 198
e Estimated.
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1992 - 1998, BY WATER YEAR (WY)
MEAN 1.54 3.70 10.7 26.9 15.1 24.7 45.7 94.9 85.1 31.3 5.48 1.73
MAX 2.52 14.5 47.5 135 51.2 52.1 70.0 168 182 107 20.1 3.36
(WY) 1994 1997 1997 1997 1996 1995 1997 1996 1995 1995 1995 1995
MIN .73 1.59 1.47 2.26 2.19 9.10 26.2 22.7 4.60 1.41 .44 .36
(WY) 1995 1998 1995 1992 1994 1994 1994 1992 1992 1994 1994 1994
SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1992 - 1998
ANNUAL TOTAL 12206.1 11694.7
ANNUAL MEAN 33.4 32.0 28.9
HIGHEST ANNUAL MEAN 47.5 1995
LOWEST ANNUAL MEAN 7.69 1994
HIGHEST DAILY MEAN 1300 Jan 1 266 Jun 7 1300 Jan 1 1997
LOWEST DAILY MEAN 1.2 Oct 5 1.2 Oct 5 .30 Sep 22 1994
ANNUAL SEVEN-DAY MINIMUM 1.3 Oct 1 1.3 Oct 1 .31 Sep 17 1994
INSTANTANEOUS PEAK FLOW 337 Jun 7 2370 Jan 1 1997
INSTANTANEOUS PEAK STAGE 5.73 Jun 7 8.23 Jan 10 1995
ANNUAL RUNOFF (AC-FT) 24210 23200 20970
10 PERCENT EXCEEDS 84 103 92
50 PERCENT EXCEEDS 11 4.7 5.4
90 PERCENT EXCEEDS 1.4 1.5 1.2
10336675 WARD CREEK AT STANFORD ROCK TRAIL CROSSING NEAR TAHOE CITY, CA-Continued
- 1998 WY
10336675 WARD CREEK AT STANFORD ROCK TRAIL CROSSING NEAR TAHOE CITY, CA-Continued
WATER-QUALITY RECORDS
PERIOD OF RECORD.-Water years 1993 to current year.
REMARKS.-In October 1992, station was incorporated into the expanded Lake Tahoe Interagency Monitoring Program to monitor tributary contributions of nutrients and sediment to Lake Tahoe. These data are reviewed and provided by the Nevada District Office, U.S. Geological Survey.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DIS- NITRO- NITRO-
CHARGE, SPE- GEN, GEN,
INST. CIFIC NO2+NO3 AMMONIA
CUBIC CON- TEMPER- TEMPER- DIS- DIS-
FEET DUCT- ATURE ATURE SOLVED SOLVED
DATE TIME PER ANCE AIR WATER (MG/L (MG/L
SECOND (US/CM) (DEG C) (DEG C) AS N) AS N)
(00061) (00095) (00020) (00010) (00631) (00608)
OCT
09... 1130 3.2 45 5.0 5.5 .020 .006
29... 1210 1.5 74 8.0 5.0 .004 .006
NOV
29... 1150 1.7 65 3.0 1.5 .007 .002
DEC
31... 1150 2.0 58 4.5 .0 .007 .001
JAN
15... 1300 21 44 3.0 .0 .045 .012
16... 1445 24 30 4.0 .0 .036 .002
17... 1425 50 28 6.0 .0 .036 .001
FEB
25... 1600 3.8 51 -1.5 .0 .011 .009
MAR
24... 1355 160 38 4.0 .0 .031 .001
30... 1435 36 46 3.0 3.0 .015 <.001
APR
22... 1520 52 42 13.5 3.5 .019 .001
30... 1755 125 37 5.5 1.5 .020 .002
MAY
15... 1405 54 43 9.0 5.5 .003 .001
25... 1835 95 36 .5 1.5 .011 .004
JUN
01... 1740 151 34 14.0 2.5 .012 .004
07... 1550 266 31 12.0 5.0 .020 <.001
12... 1200 243 34 16.0 6.0 .004 .001
20... 1005 243 32 -- 4.5 .010 .010
26... 1715 259 27 16.5 6.5 .008 .002
JUL
02... 1800 184 27 16.0 7.0 .007 <.001
13... 1235 70 31 -- 10.0 .005 .001
AUG
11... 1330 8.3 46 27.0 17.0 .045 .006
SEP
18... 1245 2.8 69 15.5 14.0 .002 <.001
10336675 WARD CREEK AT STANFORD ROCK TRAIL CROSSING NEAR TAHOE CITY, CA-Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
NITRO- PHOS- IRON, SEDI-
GEN,AM- PHORUS BIO. MENT,
MONIA + PHOS- ORTHO, REACT- SEDI- DIS-
ORGANIC PHORUS DIS- IVE MENT, CHARGE,
TOTAL TOTAL SOLVED TOTAL SUS- SUS-
DATE (MG/L (MG/L (MG/L (UG/L PENDED PENDED
AS N) AS P) AS P) AS FE) (MG/L) (T/DAY)
(00625) (00665) (00671) (46568) (80154) (80155)
OCT
09... .10 .038 .020 63 2 .02
29... .04 .027 .016 79 <1 --
NOV
29... -- .019 .013 48 <1 --
DEC
31... .02 .020 .013 27 <1 --
JAN
15... .25 .074 .011 623 80 4.5
16... .25 .047 .009 282 25 1.6
17... .21 .046 .009 331 56 7.6
FEB
25... .05 .019 .008 49 1 .01
MAR
24... .18 .238 .007 622 57 25
30... .05 .013 .006 26 1 .10
APR
22... .17 .014 .005 50 3 .42
30... .11 .026 .005 309 36 12
MAY
15... .03 .014 .001 59 2 .29
25... .08 .030 .004 109 6 1.5
JUN
01... .14 .054 .005 488 52 21
07... .19 .097 .007 1270 109 78
12... .07 .023 .005 71 6 3.9
20... .06 .024 .006 80 9.0 5.9
26... .06 .035 .006 173 16 11
JUL
02... .07 .035 .004 128 10 5.0
13... .04 .046 .005 38 3 .57
AUG
11... .06 .038 .010 36 2 .04
SEP
18... .14 .055 .012 66 2 .02
1998 California Hydrologic Data Report Index
USGS Water Resources of California
Contact:
webmaster@maildcascr.wr.usgs.gov
Last modified: Wed Aug 4 09:40:26 PDT 1999