REP03493

• Permit No: C1981044
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 1983 TABLES: Table 1 through Table 43
• Permit Index Doc Type: HYDROLOGY REPORT 1983
• Media Type: D
• Archive: No

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TABLE 10
SUMMARY OF 'WATER QUALITY DATA
Twentymile Sandstone
Pg. 1/2
Parameter Mean St.Oev. Max. M7n. Units No.` Period
~HYS[CAL PPOPERTIES
~crduct+.v ity 557 60 6a0 440 umhas/cm 17 3/81-6/B3
dH 7,16 0.3fi 8.a1 7.0 -- 16 3/61-6/83
alkalinity as CaCO; 260 49 327 130 mg/L 17 3/BL-6/83
Hardness as CaCO; Jfiry 56 s42 169 mg/L 1? 3/BL-6/93
Solids, dissolved ~7 62 a90 245 mg/L 1? 3/81-6/83
So'ids, suspended 181 345 22 . mg/L 3 3/81-3/83
Solids, volatile <C.2 - - - mg/L L 6/81
CATIONS
Calcium ~b4) 16 82 33 mg/L 15 3/81-12/82
Magnesium 26.3 5.0 32.7 20 mg/L 15 3/81-12/82
Sodium 27 1.7 31 13 mg/L 15 3/8L-12/82
Potassium 2.0 0.47 3.0 1.4 mg/L 15 3/81-12/82
ANIONS
8lcarhonates as NCO; ,313J fi0 399 159 mg/! 17 3/81-6/83
Carbonates as~CO; 0 0 G 0 mg/L 11 3/81-6/83
Chloride 4,2 3.4 16 2 mg/L 17 3/81-6/83
Sulfate 52 14 17 i5 mg/L 17 3/81-6/83
PRIMARY DRINKING WATER
Arsenic <1.8 1.5 7 <1 ug/L IS 3/Bi-12/82
Barium <235 '.21 600 <20 ug/L 15 3/81-12/82
Cadmium <5 0 ~ 5 <5 ug/! 15 3/81-12/82
Chromium ~ <24 !1 60 <20 ug/L LS s/BL-12/82
Lead <a9 2a 70 <20 ug/L 15 3/81-12/82
Mercury <2.8 i.0 26 <1 ud/L 15 3/81-12/82
Selenium <1.6 0.8 4 <1 uy/L 15 3/81-12/82
SECONDARY DRLNK[NG WATER
Copper <29 34 150 <20 ug/L 15 3/81-12/82
Zinc <86 1:4 433 5 ug/L 15 3/81-12/82
MISC. TRACE METALS
Aluminum <230 80 500 <200 ug/L 15 3/81-12/82
Boron <115 d9 360 <20 ug/L 15 3/81-L2/82
Molybdenum <210 70 400 L00 ug/! IS 3/81-12/82
Nickel <22 4 30 <20 ug/L 15 3/81-12/82
MINOR CONSTIT.
Fluoride 0.39 0.14 O.6L 0.18 mg/L 17 3/81-6/83
Ircn 0.92 0.98 3.95 0.03 mg/L 11 3/81-6/83
Mardanese <0.033 O.OL4 0.06 <0.02 mg/L 15 3/81-12/82
Sulphide <0.2 0 <0.'t <0.2 mg/L 17 3/81-6/83
NUTRIENTS
Nltragen,NO;~NOp <0.038 0.059 0.2fi 0.26 mg/L l7 3/81-6/83
Nitrogen,Ammonium as N<0.28 0.24 0.9E <0.02 mg/L LS 6/81-6/83
Phosphate, ortho as P<0.021 0.026 0.10 <0.01 mg/L 13 6/81-12/82
ORGANICS
Cyanide <0.003 0.006 <0.v27 <0.003 mg/L 17 3/BL-fi/83
u micro
A11parameters total unless otherwise indicated.
No field ddta included.
`Goes not int tulle L2/13/82 data for No. 9 Mine Well: data was not
r=_presentative.