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.: S-2- Surface water sample
Animas River: Aquatic Life Cold 1;Recreation 2;Agriculture. Monitoring Location: Outlet of upland diversion ditch for tailings ponds.
PARAMETER UNITS LAB IDENTIFICATION NUMBER Average STANDARDS
1701 1812 1869 3076 3209 Aquatic Human Agriculture
Sample Date 06/15/97 08/17/97 10/04/97 06/30/98 09/27/98 5 quarters .....
Inter rated/Grab ? b nt d Grab ergrate Inter rated Intergrated NIA
Surface aceF Fl
ow cfs 0.4est 0.33 7
Obstructed 0.3 65
We O II H2 Dep
th ft N/A /A/A N N N/A N/A N/A
H std. units 6.66 6.32 5.91 6.2 7 6.42 6.5 - 9 5 - 9 ' 6.5 -8.5`
Conductivity EC us/cm 347 449 464 170 729 432
TS S m I 3.6 9 3/ 1. 2. 2.6 3.5 2.8
•
TD S m / 243 300 5 1 0 98
I 32 14 51 2
Hardness
do CaCO3 m /I 96 145 34 46 76 7 1 82
2
T.Alkalini CaCO3 m /I 6 6 5 16 35 14
Ammonia NH3- m /I 0.05 0.15 0.05 <.05 <.05 0.05 0.02 ? 0.5 ?
Chloride Cl- m /I 2 9 20 27 96 31 250 '
WAD Cyanide CN- m /I <0.001 <0.001 0.001 <0.001 <0.001 0.0002 0.005 200 & 0.2' 0.2
Nitrate NO3- m /I 0-6 0.2 0.4 0.4 0.6 0.4 10 100
Nitrite NO2- m /I 3 2 2 2 2 2.2 1 10
Sulfate 504- m /l 160 180 210 90 345 197 250
Sulfide S- m /I 0.001 0.001 <0.001 <0.001 <0.001 0.0004
53 91 6 8 5
Calcium Ca m /I 3 4 8 2 134 66.
Magnesium M mg/I 1.98 5.59 8.12 1 5 3 404
/ 82 8 3 0 6 0
Potassium K m I 0. 3. 1. .5 1. 1.6
a 35 .2 6 2 6 8
Sodium N m /I 17 4. .2 6. 6.d
Aluminum Al u A 26 7 165 7 <1 5000
Arsenic As u /1 <5 <1 <t <1 2.5 0.50 150 50. ... 100
Barium Ba u /I 2000 2000 1000 3000 1000 1800 zi ' :` :'?"<:; 1000 "'Ii"f:f:
Boron B u /I <100 <100 <100 <100 <100 0.00 ..,. ..., 750 •
Cadmium Cd u /I 2.9 2.2 1.6 <0.5 6.5 2.6 1.1 5 10
Chromium Cr+3, 6 u /1 <50 <10 <10 <10 <10 0.00 11 50 100
Copper Cu u /I 15 51 10 8 <5 16.80 12 1000 200
Iron Fe u /I <100 40 230 <10 <30 54.00 1000(t.rec.) 300' 5000
Lead Pb u /I <1 3 <1 11 <1 2.80 4 50 100
Manganese Mn u /I 438 909 975 275 5428 1605 1462 50 ' 200
Mercury Hg u /I <0.1 <0.1 <0.1 <0.1 0.1 0.02 0.1 2 10
Nickel Ni u /I <100 6 8 15 3 6.40 96 100 200
Selenium Se u /I 6 <5 <5 <5 <5 1.20 17 50 20
Silver A u /l <0.1 0.4 0.1 <0.1 <0.1 0.10 0.32 50
Zinc Zn u /I 581 758 820 402 183 549 106 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.