Water Quality Data for the Arkansas River Basin 1990-93

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Table 11. Onsite measurements and selected inorganic data for station 09063700, Homestake Tunnel near Leadville DIS- PH SOLIDS, CHARGE, SPE- WATER HARD- MAGNE- RESIDUE NITRO- NITRO - INST. CIFIC WHOLE NESS CALCIUM SIUM, AT 180 GEN, GEN, CUBIC CON- FIELD TEMPER- OXYGEN, TOTAL DIS- DIS- DEC C NO2 +NO3 AMMONIA FEET DUCT- (STAND- ATURE DIS- (MG /L SOLVED SOLVED DIS- TOTAL TOTAL DATE TIME PER ANCE ARD WATER SOLVED AS (MG /L (MG /L SOLVED (MG /L (MG /L SECOND (US /CM) UNITS) (DEC C) (MG /L) CACO3) AS CA) AS MG) (MG /L) AS N) AS N) JUL 1990 16... 1515 94 21 7.1 4.0 24 0.072 0.010 AUG 27... 1510 90 22 7.7 5.0 8.9 12 0.078 0.020 JUL 1991 15... 1400 3.6 116 9.1 7.5 8.5 65 0.071 0.027 AUG 13... 1020 2.0 71 8.0 7.0 -- -- -- -- 39 0.065 <0.002 AUG 1992 26... 0620 108 23 7.4 4.5 8.9 10 3.1 0.63 8 0.062 0.050 SEP 22... 1015 108 23 7.3 5.0 8.5 24 0.067 0.024 MANGA- CADMIUM COPPER, IRON, LEAD, NESE, MANGA- ZINC, TOTAL CADMIUM TOTAL COPPER, TOTAL IRON, TOTAL LEAD, TOTAL NESE, TOTAL ZINC, RECOV- DIS- RECOV- DIS- RECOV- DIS- RECOV- DIS- RECOV- DIS- RECOV- DIS - ERABLE SOLVED ERABLE SOLVED ERABLE SOLVED ERABLE SOLVED ERABLE SOLVED ERABLE SOLVED DATE (UG /L (UG /L (UG /L (UG /L (UG /L (UG /L (UG /L (UG /L (UG /L (UG /L (UG /L (UG /L AS CD) AS CD) AS CU) AS CU) AS FE) AS FE) AS PB) AS PB) AS MN) AS MN) AS ZN) AS ZN) JUL 1990 16... <1 0.1 2 2 80 38 1 <0.5 20 4 <10 4 AUG 27... <1 <0.1 2 1 80 41 <1 <0.5 20 2 <10 <3 JUL 1991 15... <1 <0.1 3 <1 150 60 9 <0.5 30 11 <10 <3 AUG 13... <1 <0.1 2 <1 200 63 2 <0.5 10 7 <10 <3 AUG 1992 26... <1 <0.1 2 <1 30 46 <1 <10 4 <10 <3 SEP 22... <1 <0.1 1 1 70 39 <1 <0.5 10 3 <10 4 24 Water - Duality Data for the Arkansas River Basin, Southeastern Colorado, 1990 -93