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COLORADO RIVER MAIN STEM SQ-19 207 <br />09095500 COLORADO RIVER NEAR CAMEO, CO--Continued <br />(National W ater-Quality Assessment Program station) <br />WATER-QUALITY RECORDS <br />PERIOD OF RECORD.--October 1933 to current year. <br />PERIOD OF DAILY RECORD.-- <br />SPECIFIC CONDUCTANCE: December 1935 to current year. <br />WATER TEMPERATURE: April 1949 to current year. <br />INSTRUMENTATION.--Water-quality monitor since October 1982. <br />REMARKS.--Previous to water year 1995, daily maximum and minimum specific conductance data are available in district office. <br />Published daily record of water temperature is good. Daily record of specific conductance is fair, except for the pe[iod Dec 13 <br />to Jan 22, which is poor due to ice effect. Missing daily data were due [o sensor fouling or instrument malfunctions. <br />EXTREMES FOR PERIOD OF DAILY RECORD.-- <br />SPECIFIC CONDUCTANCE: Maximum, 1,970 microsiemens Jan. 19, 1940; minimum, 190 microsiemens June 17, 18, ]993. <br />WATER TEMPERATURE: Maximum, 28.5°C July 22, 1989; minimum, 0.0°C on many days during winter months. <br />EXTREMES FOR CURRENT YEAR.-- <br />SPECIFIC CONDUCTANCE: Maximum, 1,250 microsiemens Jan. 9; minimum, 250 microsiemens June 21. <br />WATER TEMPERATURE: Maximum 21.6°C Sep. 2,3; minimum 0.0°C on many days Nov. to Jan. <br />WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 <br />DIS- <br />CHARGE, EPE- HARD- MAINE- SOOIDM POTAS- <br />INST. CIPIC NESS CALCIOM $IGM, SODIUM, AD- SIUM, <br />CUBIC CON- PH TEMPER- OXYGEN, 9ClTAL DIE- DIE- -IS- SOAP- DIS- <br />F£EP DI1CT- IETAND- ATURE DIS- IMG/L EOLVEp SOLVED SOLV® TION SOLVE- <br />DATE TIME PER ANCE ARD WATER SOLVED AS IMG/L IMG/L IMG/L RATIO IMG2 <br />SECOND (OS/CM) DNITS) {DEG C) (MG/L) CACOJ) AS G) AS MG) AS NA) AS K) <br />!00061) 100095) 1009001 (000101 (00]001 100900) (009351 (009251 (00930) (00931) {009351 <br />OCT <br />29... 1320 24]0 989 B.fi 5.5 10.9 230 fifi 15 100 3 1.1 <br />NOV <br />20... 1448 2240 1050 8.5 fi.0 11.6 230 66 1] 330 3 3.3 <br />DEC <br />23... 1908 2200 9]] B.J 0.5 12.4 220 62 15 110 3 3.1 <br />SAN <br />~ 23 ... 1345 2070 1020 8.6 2.0 12.6 220 65 15 330 3 3.2 <br />FEB <br />27... 1410 1890 1090 8.6 3.5 ll.fi 230 65 16 120 3 3.6 <br />MAR <br />14... 1245 2]10 935 8.1 T.0 10.4 220 63 16 9J 3 ].8 <br />28... 1300 3310 ]60 8.3 8.5 9.6 190 54 34 T4 2 3.1 <br />APR <br />29... 1245 fi020 s]4 8.2 11.0 8.9 180 51 12 49 2 2.5 <br />MAY <br />08... 1210 30100 418 8.2 12.0 8.9 150 41 33 30 1 1.8 <br />23... 3230 21800 304 B.2 10.5 9.3 320 33 8.0 16 0.] 1.3 <br />SUN <br />0]... Sfi 40 25300 258 8.2 14.0 8.5 96 28 6.1 12 0.5 1.3 <br />24... 1290 20500 255 7.8 15.0 8.4 95 29 5.4 13 0.6 1.1 <br />Jilt <br />25... 1100 52]0 59] H.5 19.5 T,5 160 4] 10 51 2 2.1 <br />AUG <br />OT... 1130 591° 56] 6.4 1].5 8.2 160 4] 10 50 2 2.2 <br />SEP <br />05... 1215 3390 806 8.6 20.0 R.6 200 59 14 82 3 2.] <br />BICAR-B cAx-b ALKA-O SOLIDS, SOLIDS, NITRO- <br />£ONATE BONATE UNITY CHLO- FLUO- SILICA, RESIDUE SDM OF SOLIDS, SOLIDS, GIN, <br />WATER WATER WAT DIS SULFATE RIDE, AIDZ, D25- AT 180 CDN$TI- DIE- DIS- NITRITE <br />DIS IT DIS IT YOT IT DIS- DIS- DIE- SOLVED DEG. C TUENTS, SOLVED SOLVED DIE- <br />F2ELD PIEL- FIELD sOLVE- sOLVRp sOLVSp IMG/L DIS- D25- (TONS 1'IVNS SOLVED <br />DAT£ MG/L AS MG1L AS MG/L AS (MG/L (MG/L IMGfL AS SOLVE- SOLVED PER RPA IMGIL <br />HC03 COJ CAC03 AS 5041 AS CL) AS F) 52021 IMG/LI (MG/LI AC-PTI DAYI AE NI <br />10095J1 (00452) (3908fi) 100945) 1009401 (00950) (009551 (]03001 170301) 1]D303) 1]03@) (006131 <br />OCT <br />24... 154 4 132 130 140 0.3 8.1 563 542 0.]] 3750 0.01 <br />NOV <br />20... 149 8 13fi 140 150 0.3 ].5 fi03 576 0.82 J650 0.02 <br />DEC <br />23... 151 4 130 120 150 0.3 8.] 566 548 0.>] 3360 <0.01 <br />SAN <br />23 ... 14fi 6 1J0 130 150 0.4 ].2 SB1 559 0.79 3250 0.01 <br />eeB <br />21... 138 6 123 130 170 0.4 5.5 619 sRa 0.84 3160 <0.01 <br />MAR <br />14... 154 - 126 130 130 0.3 T.9 543 521 0.74 39]0 0.02 <br />28... 13] 1 114 100 100 0.2 9.4 458 425 0.62 4090 <0.01 <br />APR <br />29... 144 -- 118 T6 5] 0.2 9.5 343 ]29 0.4] 5580 0.01 <br />MAY <br />08... 120 -- 98 53 31 0.2 9.8 247 23] 0,34 fiT40 <0.01 <br />23... 108 -- 89 J] 15 0.1 8.8 18] 1]3 0.25 11000 <0.01 <br />JUN <br />03... 95 -- ]B 28 12 <0.1 ].8 163 193 0.22 11100 <0.01 <br />24... ]9 -- 65 29 1] 0.2 6.8 154 191 0.21 6520 <0.01 <br />TUL <br />25... 109 5 9i T4 69 0.2 6.8 345 319 0.47 4910 <0.D1 <br />AUG <br />07... 30] 6 9E ]6 61 0.3 8.1 39J 314 0.47 54]0 <0.01 <br />EEP <br />05... 129 2 110 100 110 0.] 7.6 473 439 0.64 43]0 <0.01 <br />a-Field dissolved bicarbonate, determined by i ental titration method. <br />b-field dissolved carbonate, determined by incremental titration method. <br />o- Field total dissolved alkalinity, determined b/ incremental titration me[hOd. <br />