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.: 8-4-Surface water sample
Animas River: Aquatic Life Cold 1;Recreation 2;Agriculture. Monitoring Location: Animas River OPTIONAL mid-site sample location.
PARAMETER UNITS LAB IDENTIFICATION NUMBER Average STANDARDS
1703 1814 1871 No Sample No Sample Aquatic Human' Agriculture
Sample Date 06/15/97 08/17/97 10/04/97 3 quarters
I r d/Grab me rate Grab Inter9 rated N/A
0 340 ce F 14 130 Surface low cfs 750
Well H2O Depth ft N/A N/A N/A N/A
.....................
H std. units 7.13 7.17 6.98 7.09 6.5 -9 5 - 9' 6.5-8.5
86.1 1 67 c ' 9 210 22 Conductivity EC us/cm 12
TSS m /I 7 6.1 0 8 0.2 25.7 0
126. 3
/ 3
TDS m I 90 141 148
Hardness CaCO3 m /I 63 83 147 97.67
0
/ 0 15 23 16. 0
T.Alkalini CaCO3 m I 1
Ammonia NH3- m /I <0.05 0.05 <0.01 0.02 0.02 ? 0.5 ?
Chloride Cl- m /I 2 2 2 2.00 250'
............. ......
WAD Cyanide CN- moll <0.001 <0.001 <0.001 0.00 0.005' 200 & 0.2' 0.2 '
Nitrate NO3- m /I 0.6 0.3 0.4 0.43 10 100
Nitrite NO2- m /l 2 2 2 2.00 1 10
Sulfate SO4- Mgt( 45 71 85 67.00 250
< 0.0 0
Sulfide S- m ll 0.001 0.001 0.001
36 5
+ 8.9 57 . 0
Calcium Ca m /I 23.6 2
+ 9 1.58
Magnesium M m /I 1.04 2.5 1.1
3
+ 3.3 0.5 1.38
Potassium K m /I 0.34
Sodium Na+ m /I 1.7 13.9 1 5.53
Aluminum Al u /I 18 23 63 34.67 87....... 5000
Arsenic As u /I <5 <1 3 1.00 150 50 100
Barium Ba u /1 4000 .......:.:..:..:::...:.:
<1000 1000 1666.67 1000
< < < 0 0.00 750
Boron B u /I 100 100 10
Cadmium Cd u /I 0.8 <0.1 0.4 0.40 1.1 5 10
Chromium Cr+3, 6 u /I <50 <10 <10 0.00 11 50 100
Copper Cu u /l 7 <5 9 5.33 12 1000 200
Iron Fe u /I <100 10 <10 3.33 1000(t.rec.) 300• 5000
Lead Pb u /I 1 <1 <1 0.33 4 50 100
Manganese Mn u /I 203 187 1273 221.00 1462 50' 200
Mercury Hq u /I 0.5 <0.1 <0.1 0.17 0.1 2 10
Nickel Ni u /I <100 1 <1 0.33 96 100 200
Selenium Se u /I <5 <5 <5 0.00 17 50 20
Silver A u /1 0.1 <0.1 <0.1 0.03 0.32 50
Zinc Zn u /I 361 265 271 299.00 106 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.