1999-06-18_HYDROLOGY - M1984049

• Permit No: M1984049
• IBM Index Class Name: Hydrology
• Doc Date: 6/18/1999
• Doc Name: REDUCED MONITORING FREQUENCY & PARAMETERS HOWARDSVILLE MILL PN M-84-049
• From: DMG
• To: CALCO INC
• Media Type: D
• Archive: No

DIVISION OF MINERALS AND GEOLOGY site Name: Howardsville Mill
Hydrology Report- Baseline Conditions Permit No.: M-84-049
Monitoring Site No.: G-1 - Groundwater sample
Animas River: Aquatic Lire cold 1; Recreation 2;Agriculture. Monitoring Location: Up-gradient well between upland ditch and tailings ponds.
PARAMETER UNITS LAB IDENTIFICATION NUMBER Average STANDARDS
1720 1817 1874 3080 3213 Aquatic• Human Agriculture
Sample Date 06/24/97 08/17/97 10 04/97 06/30/98 09/27/98 5 quarters
:: ..........
Inter rated/Grab Pump Pump Pump Pump N/A
Surface F / / A / ! N/
A
rfa to Cf N N A N/ N A NIA
W s A
3.2 Well H2O Depth ft 3 3 3.3 3.5
H std. units 6.92 6.8 6.64 6.42 6.57 6.67 6.5-.9...... ........5.- 9' 6.5- 8.5
6 743
Conductivity 685 62 746 90 832 ndu r EC us/cm 7
/ /A N A
TS A NIA N S m /I N/A N/A N
•
TDS m /I 480 53 52 3 2 483 582 520
3 Hardness CaCO3 m /I 246 253 347 41 398 317
T.Alkalini CaCO3 m /I 36 50 110 29 44 54
Ammonia NH3- m /1 1.2 1.7 1.3 1.63 1.36 1.44 0.02 ? 0.5 ?
Chloride CI- m /I 2 16 17 19 165 44 250'
WAD Cyanide CN- m /I <0.001 0.001 <0.001 0.001 0.001 0.0006 0.005 200 R 0.2• 0.2 '
Nitrate NO3- m A 0.3 0.2 0.4 0.6 0.8 0.5 10 100
Nitrite NO2- m /I 2 4 25 6 <1 7.4 4s, 1 10
Sulfate SO4- m /I 290 320 340 1 450 475 375 250
0 0 001 0.00 34
- 0.00 0.008 0.001 .005
Sulfide S m /I 2 Ir
1 121.2
+ 9 33 154
Calcium Ca m /I 92 93. 133
2 3 3 3.5 7
+ .03
Magnesium M m /I 4.25 4.83 3 44+ 6 .75
2 3 1. 1
K m /I 1.17 3.5 1. 1.
Potassium
So ' m Na+ m /I 7 18.5 4 5 5.8 6.7 8.5
Aluminum Al u /1 1 <1 1 2 14 3.60 87 5000
Arsenic As u /1 <5 <1 1 <1 4.8 1.16 150 50 100
Barium Ba u /I 1000 2000 10000 3000 3000 3800 1000
Boron B u /I 6200 100 <100 <100 <100 1260.00 750
•
Cadmium Cd u /1 <0.5 <0.1 <0.1 <0.5 0.1 0.0 1.1 5 10
Chromium Cr+3,6 u /I <50 10 <10 <10 <10 2.00 11 50 100
Copper Cu u /I <5 12 <5 <5 <5 2.40 12 1000 200
Iron Fe u /I 3610 620 1670 1014 2910 1964.80 1000(t.rec.) 300 ' 5000
Lead Pb u /I <1 <1 <1 1 1 0.40 4 50 100
Manganese Mn u /I 1190 10026 269 1160 1276 2784 1462 50' 200
Mercury H9 u /I 0.3 <0.1 <0.1 0.1 <0.1 0.08 0.1 2 10
Nickel Ni u /I <100 <1 13 21 8 8.40 96 100 200
Selenium Se u /I <5 <5 <5 <5 <5 0.00 17 50 20
Silver Ag u /1 <0.1 <0.1 <0.1 0.1 <0.1 0.02 0.32 50
Zinc Zn u /I 37 56 32 33 40 40 106 5000' 2000
• Standards for Aquatic Life are Chronic at 100 hardness. ' CN Standards are for Free Cyanide.
• Standards for Human Health with(•) are Secondary Standards for drinking water.