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290 GREEN pIVER BASIN
<br />09251000 YAMPA RIVER NEAR MAYBE LL, CO--Coot hued
<br />(Na[IOnal Stream-Quality Acco anti ng Ne[sotk Station)
<br />' HATER-QUALITY RECORDS
<br />PERIOD OF RECORD.--November 1950 [o current year.
<br />PERIOD OF OAI LY RECORD.--
<br />SPECIFIC CONDUCTANCE; November 1950 to Au qus[ 1973, July 1975 co current year.
<br />HATER TEMP ERATDRE$: November 1950 co Auqus[ 1977, July 1975 co current year.
<br />SUSPENDED-SEDI KENT DISCHARGE: December 1950 co May 1958, October 1975 [o September 1976, Occ obey 1977 cc September
<br />1978, October 1981 co September 1982.
<br />INSTRUMENTATION:--Mater-q ua llty moni[oi since July 1975. ,
<br />REMARKS.--Unpubllshetl maximum and minlmwo specific conductance data far pe rlotl of tla11y record available In tllatri ct
<br />office. Da13y recortls are gootl.
<br />E%T RE)ff5 FOR PERIOD OF DAILY RECORD.--
<br />SPECIFIC CONDUCTANCE: MaX imam, 110 micioslemens Nov. 17, 1985; minSmum, 87 ml clOSl emend June 9-30, 1990.
<br />HATER TEMPERATURES: Maximum, 33.0 C Auq. 29, 1976; minimum, freezing point on many days tlurlnq Nlnter moot As
<br />ea cn year.
<br />SEDIMENT CONCENTRATIONS: Maximum tla it y, 6,180 mq/1, Auq. 16, 1981; ml nlmum tla11y, 1 mq/1, several tlays durl nq
<br />De camber 1975 [o February 1976, ]an, 6, 1980.
<br />SEDIMENT LOADS: Nax Smum daily, 97,100 tons May 9, 1958; mSnlmum dally, 0.01 con Oct. 2,3, 1982
<br />E%7REME5 FO0. CU RRENS YEAR.--
<br />SPECIFIC CONDUCTANCE: Maximum, 80g mlcr osleme ns Hatch 74, 140 mlcroslemena several tlay, In May.
<br />MATER TEMP ERA7URE5: Maximum, 26.1 C August 14; minimum, free it nq point an many tlays du ring rioter moot ha.
<br />MATER-QUALITY DATA, MATER YEAR OCTOBER 1991 70 SEPTEMBER 1991
<br />DIS- COLI- 57RfP-
<br />CHAPGE, SPE- FORK, TOCOCCI HARI)-
<br />INST. CI EIC FECALr FELL, HESS
<br />CUBIC CON- PH TEMPER- TU R- 0%Y GEN, 0.7 KF AGAR TOTAL
<br />FEET DUCT- (STAND- ATURE BID- DIS- UM-MF (COLS. (MG/L
<br />DATE TIME PER ANCE AAD MATER ITY SOLVED (COLS./ PER AS
<br />SECOND (UB/CM) UNITS) (DEC C) (NTll) (MC/L) 100 ML) 100 ML) CAC03)
<br />DEC
<br />09... 1700 226 633 8.3 0.0 4.0 11.8 K3 K4 730
<br />MAR
<br />17... 1200 6B1 fi94 9.1 6.0 0.3 11.5 KZ 96 160
<br />JUN
<br />12... 1305 1060 200 B.3 19.0 4.5 7.7 K6 57 7fi
<br />SEP
<br />01... 1400 116 139 B.7 70.0 7.6 9.0 3 110 110
<br />BI GR-a CAR-b ALKA ~
<br />NAGNE- SODIUM POTAS- BONAtE BONATE LINI7Y ALKA-
<br />' CALCIUN SIUM, SODIUM, AD- SIUM, MATER MATER NAT OIS LINITY SULFATE
<br />DIS- DIS- DIS- SOAP- DIS- DIS IT DIS I7 T07 IT LAB DIS-
<br />SOLVED SOLVED SOLVED 7ION SOLVED FIELD FIELD FIELD (XG/L SOLVED
<br />GATE (MC/L (MG/L (MG/L MTIO (MG/L MG/L AS MG/L AS MG/L AS A9 (NG/L
<br />AS CA) AS MGI AS NA) AS K1 HCO7 C07 CAC03 GC07) AS 504)
<br />DEC
<br />09... 50 25 9B 1 1.5 117 30 127 -- 150
<br />NAR
<br />17... 52 31 55 1 3.4 164 91 107 -- 200
<br />,TI7N
<br />12... 19 6.8 11 0.6 1.1 59 -- 4B -- 74
<br />SEP
<br />01... 32 15 75 1 1.2 -- -- -- 130 B2
<br />SOLIDS, SOLIDS, NITRO-
<br />CHLO- FLUO- SILICA, RESIDUE SVM OF SOLIDS, SOLIDS, NITRO- GEN,
<br />RI Df, RIDE, DIS- A7 160 CONSTI- DIS- DIS- GEN, NITRITE
<br />OI S- DIS- SOLVED DEG. C TUENTS, SOLVED SOLVED NITRITE DIS-
<br />SOLVED SOLVED (MG/L DIS- DIS- (TONS (TONS TOTAL SOLVED
<br />DATE (MG/L (MG/L AS SOLVED SOLVED PER PER (MG/L {NG/L
<br />AS CL) AS F) SI01) (MC/L) (MG/LI AC-FT) DAY) AS N) AS N)
<br />DEC
<br />04... 19 0.3 6.0 951 379 0.61 275 <0.01 <0.01
<br />MAR
<br />17... 16 0.2 3.6 45B 486 0.62 B91 0.01 0.01
<br />JUN
<br />12... 3.5 0.1 X7,5 116 112 0,16 64fi <0.01 <0.01
<br />SEP
<br />O1. .. 1B 0.7 1.6 259 265 0.35 102 <0.01 <0.01
<br />K-Based on non-Idea] colony count
<br />a-Fleltl tllssolvetl bicarbonate, deceim load by incremental [prat ion methotl.
<br />. b-Fleltl tllssolvetl carbonate, tle[arm Snetl by incremental titration me[nOd.
<br />c-Fleltl total tlssol vetl al ka11n1cy, tlecermfnetl by incremental LSt ia[Son method.
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