REP49545

• Permit No: C1994082
• IBM Index Class Name: Report
• Doc Date: 2/19/1999
• Doc Name: 1998 AHR APPENDIX C GROUND WATER QUALITY DATA
• From: Seneca Coal Company
• To: DRMS
• Annual Report Year: 1998
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

Peabody Western
Paradox Hydrology System
Water Quality Sta Cistics
Sample Point: YSAL1
Location: -35160.902 -9544.976
Elevation: 7174.93
Uncensored Data
Censored Data
No. of
Obs Mean
No. of
S[.Dv. ~ Min Max Obs Min Max
Field Parameters
Field Ph S.U. 21 7 .25 6 .62 7 .96
Temperature C 21 9 .59 2 :98 4 .90 15 .00
Conductivity UMHOS/CM 21 1197 .62 227 .13 830 .00 1830 .00
Laboratory Parameters
Alk As CaCO3, Ph 4.5 MG/L 21 360 .19 101 .88 237 .00 690 .00
Alk, Bicarb As CaCO3 MG/L 8 344 .75 97 .75 237 .00 496 .00
Alk, Carb As CaCO3 MG/L 8 < 2 .00 < 2 .00
Alk, Hydrox As CaCO3 MG/L 8 < 2 .00 < 2 .00
Altvninum, Dissolved MG/L ~ 21 < .03 < .06
Arsenic, Dissolved UG/L 9 1 .50 .68 1 .00 2 .00 17 c 1 .00 < 1 .00
Barium, Dissolved UG/L 21 86 .62 31 .46 20 .00 150 .00
Boron, Dissolved UG/L 21 67 .62 29 .48 30 .00 170 .00
Cadmium, Dissolved UG/L 1 4 .00 4 .00 4 .00 20 < 3 .00 < 6 .0~
Calcium, Dissolved MG/L 21 116 .48 ~ 13 .93 91 .10 138 .00 r/
Chloride MG/L 21 11 .19 12 .22 5. 00 63 .00
Chromium, Dissolved UG/L 21 < 10 .00 < 20 .00
conductivity UMS/CM2 21 1080 .10 199 .53 761 .00 1559 .00
Copper, Dissolved UG/L 1 10 .00 10 .00 10 .00 20 < 10 .00 < 20 .00
Fluoride MG/L 21 .22 .OS .10 .30
Hardness As CaCO3 MG/L 21 544 .48 67 .06 433 .00 691 .00
Iron, Dissolved MG/L 13 .20 .36 .O1 1 .33 8 < .O1 < .02
Lead, Dissolved UG/L 1 20 .00 20 .00 20 .00 20 < 20 .00 < 90 .00
Magnesium, Dissolved MG/L 21 61 .73 9 .26 49 .00 88 .00
Manganese, Dissolved MG/L 13 .04 .04 .O1 .16 8 < .O1 < .O1
Mercury, Dissolved UG/L 2 .10 . 10 .10 19 < .10 < .20
Molybdenum, Dissolved UG/L 5 ~ 1 .40 .89 1. 00 ~ 3 .00 16 c ~ 1 .00 < 10 .00
Nickel, Dissolved UG/L 21 < 10 .00 < 20. 00
N MG/L
Ammonia Nitrogen 13 .28 ~ .25~ . 06 .80 8 < .OS < . 06
_
Nitrate Nitrogen
N MG/L 18 .24 .25 . 03 .99 3 < .02 < . 02
_
Nitrite Ni *_rogen
N MG/L 21 < .01 < . Ol
_
Nitrate/Nitrite Nitrogen
N MG/L 18 .24 .26 . 02 .99 3 < .02 < . 02
_
Ph At 25 Deg. Cent. S.U. 21 7 .56 7. 00 8 .60
Phosphorus, Orthophos MG/L 10 .OS .03 . 02 .11
Potassium, Dissolved MG/L 21 4 .17 .61 3. 00 5 .00
Selenium, Dissolved UG/L 2 4 .00 1 .41 3. 00 5 .00 19 < 1. 00 < 1. 00
Silver, Dissolved UG/L 21 < 5. 00 < 10. 00
Conditions Specified: From 1/01/90 To 12/31/98 ...WELL. ..YSAL.. OR Y. .29 OR Y. .30 OR Y..31
C
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