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-1 --Surface water Sample
Animas River: Aquatic Lire Cold 1;Recreation 2;Agriculture. Monitoring Location: Head of Upland diversion ditch for tailings ponds.
PARAMETER UNITS LAB IDENTIFICATION NUMBER Average STANDARDS
1700 1811 1868 3075 3208 Aquatic Human' Agriculture
Sample Date 06/15/97 08/17/97 10/04/97 06/30/98 09/27/98 5 carters
I r ra me le / G Inter grated m /d Grab Grab Inte ted Inter grated Inter rate N A
9 9
d
e
7
SurfaC Flow 0 3 6 Obstructed 3 I w c est 0 1 12 m obat cted 0.2 fs
Well H2 /e 0 De N/A NIA N A N A /A N A Depth ft N
H std. units 6.35 5.49 5.68 5.49 5.61 5.72 6.5- 9 5-9" 6.5-8.5
ConducGvi EC us/cm 382 392 459 300 330 373
.7 TSS mg/1 6 18.8 3.6 0 0.1 5.9
3 TDS m /I 26 262 21 201 221 254
7
13 Hardness CaC 03 m /I 137 122 222 1 101 139
2 4
Ikalin' C 03 I 4 4 9 2 T.A aC m /
Ammonia NH3- m /I <0.05 0.05 <0.01 <0.05 <0.05 0.01 0.02 ? 0.5 ?
Chloride Cl- m /I 1 3 5 16 43 14 250 `
!n
WAD Cyanide CN- m /I <0.001 <0.001 <0.001 <0.001 <0.001 0.0000 0.005 200& 0.2" 0.2"
Nitrate NO3- m /I 0.7 0.3 0.4 0.4 0.8 0.5 10 100
Nitrite NO2- m /I 1 2 3 1 1 1.6 1 10
Sulfate SO4- m !I 180 170 174 180 165 174 250
< < <
0 00 .00 0.0004- 0 0.001 0. 01 0. 1 0 1 Sulfide S m /I .001
+ 3 48.i /I 46.8 4 0 79 41 4 2 Calcium Ca m
69
Magnesium M m 5.43 6.09 2. 3.9 4.61
/I 4.93
+ _1. .9 .9 1.43 I 0 6 3.5 1 0 0 Potassium K m ! .7 Pot lum
Sodium Na+ m /I 5.2 17.7 4 6 4.1 4.5 7.2 _
Aluminum At u /I 23 76 216 31 27 74.60 87 5000
Arsenic As u /I <5 <1 <1 <1 1 0.20 150 50 100
Barium Ba u /1 3000 <1000 1000 2000 1000 1400 1000
Boron B u /I <100 <100 <100 <100 <100 0.00 750..•..
Cadmium Cd u /l 5.5 2.9 3 1.9 2.8 3.2 1.1 5..... 10
Chromium Cr+3, 6 u /l <50 <10 <10 <10 <10 0.00 11 50 100
Copper Cu u /l 53 32 29 12 <5 25.20 12 1000 200
Iron Fe u /I <100 10 <10 <10 <30 2.00 1000(t.rec.) 300" 5000
Lead Pb u /l 1 1 <1 8 12 4.40 4 50 100
Manganese Mn u /1 332 284 300 157 590 333 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 /l <100 8 7 21 3 7.80 96 100 200
Selenium Se u /l 8 <5 <5 <5 <5 1.60 17 50 20
Silver Ag u /I <0.1 <0.1 <0.1 <0.1 <0.1 0.00 0.32 50
Zinc Zn u /l 1435 963 1009 893 1065 1073 106 5000 " 2000....• m
Standards for Aquatic Life are Chronic at 100 hardness. ` CN Standards are for Free Cyanide. Z
Standards for Human Health with(`)are Secondary Standards for drinking water. m
In