1990-02-22_REPORT - C1981071

• Permit No: C1981071
• IBM Index Class Name: Report
• Doc Date: 2/22/1990
• Doc Name: AHR TABLE 37 THRU FIGURES
• Annual Report Year: 1989
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

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PAGE 1
TABLE 39
SUMMARY OF WATER QUALITY DATA
MIDDLE CREEK ABOVE MINE 3. USGS SITE 09243700 (700)
PARAMETER MEAN STD. DE1•. MAX. MIN. UNITS. NO. PERIOD
PHYSICAL PROPERTIES
TEMPERATURE FIELD 10. 113 7. 137 24.000 0.000 DEGREES C 84 10/83- 7/89
CONDUCTIVITY FIELD 685.291 178. 180 1370.000 310.000 UMHOS/CM 144 9/75- 7/89
CONDUCTIVITY LAB 763.000 145.652 958.000 455.000 UMHOS/CM 9 10/86- 7/89
PH FIELD 8.273 0.376 9.800 7.200 PH 140 9/75- 7/89
PH LAB 6.353 0. 139 8.500 8. 100 PH 6 10/86- 2/88
ALKALINITY TOTAL 215.486 51 .271 301 .000 110.000 MG/L 74 10/75- 7/89
HARDNESS TOTAL 303.772 63.856 430.000 148.000 MG/L 80 10/75- 7/89
SOLIDS DISSOLVED 505.816 96.393 628.000 310.000 MG/L 11 10/86- 7/89
SOLIDS SUSPENDED <395.343 138.666 3390.000 <1 .000 MG/L 32 11/83- 7/89
OILAGREASE VISI 2.000 0.000 2.000 2.000 16 7/87- 7/89
SAR 0.664 0.228 1.046 0.079 37 7/80- 7/89
CATIONS
CALCIUM DISSOLVED 70.965 13.898 99.000 36.000 MG/L BB 10/75- 7/89
MAGNESIUM DISSOLVED 30.761 7.310 48.000 14.000 MG/L 88 10/75- 7/89
SODIUM DISSOLVED 29.054 10.928 50.000 11 .000 MG/L 37 7/80- 7/89
POTASSIUM DISSOLVED 3.464 1 .970 19.000 1.500 MG/L 79 10/75- 2/88
ANIONS
BICARBONATE AS HCO3 268.975 65.678 370.000 140.000 MG/L 40 10/75- 7/89
CARBONATE AS CO3 3.800 2.387 7.000 0.000 MG/L 30 10/75- 8/79
CHLORIDE 4.624 1 .400 8. 100 1. 100 MG/L 75 10/75- 2/88
SULFATE 136.280 48. 783 274.000 41.000 MG/L 92 10/75- 7/89
U = MICRO