2022-10-13_HYDROLOGY - M1977300

• Permit No: M1977300
• IBM Index Class Name: Hydrology
• Doc Date: 10/13/2022
• Doc Name: Water Monitoring - Groundwater and Surface Water
• From: Colorado Legacy Land
• To: DRMS
• Annual Report Year: 2022
• Report Quarter_Month: 3
• Email Name: AME
• Email Name: MAC
• Media Type: D
• Archive: No

COLORADO LEGACY LAND
TABLE 313: SUMMARY OF GROUND WATER ANALYTICAL DATA
Domestic Water Supply- Sample Location
Parameter Units Drinking Water MW-00 MW-0 MW-6 MW-13 MW-14 MW-15 MW-18 Raw Feed
Standards (CDPHE 2018) 07/12/2022 07/12/2022 07/14/2022 07/11/2022 07/11/2022 07/12/2022 07/12/2022 07/14/2022
Silver mg/L <0.05 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0002
Thallium mg/L 0.002 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0002
Uranium mg/L <0.03 0.00156 0.542 1.93 0.0354 0.00196 0.0342 0.458 19.5
Zinc mg/L 5 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 0.04
Metals-Total
Aluminum mg/L 5 <0.05 <0.05 <0.05 <0.05 0.974 <0.05 0.316 0.5
Antimony mg/L 0.006 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 0.0008
Arsenic mg/L <0.01 <0.0002 0.00029 <0.0002 <0.0002 0.00074 0.0048 0.00052 0.0301
Boron mg/L 0.75 <0.03 <0.03 0.066 <0.03 <0.03 0.223 0.113 0.5
Chromium mg/L 0.1 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 0.2
Copper mg/L 1 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.1
Iron mg/L 0.3 <0.06 0.25 <0.06 <0.06 2.52 0.162 0.562 9.54
Lead mg/L <0.05 <0.0001 <0.0001 <0.0001 <0.0001 0.00106 <0.0001 0.00034 0.0002
Manganese mg/L <0.05 <0.01 0.02 <0.01 0.398 0.46 0.03 0.129 0.726
Mercury mg/L 0.002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002
Molybdenum mg/L 0.21 0.00039 0.0128 0.0302 0.1 0.00602 0.0172 0.0406 1.04
Silver mg/L <0.05 <0.0001 <0.0001 <0.0001 <0.0001 0.00045 <0.0001 <0.0001 0.0002
Thallium mg/L 0.002 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0002
Uranium mg/L <0.03 0.00159 0.534 1.94 0.0322 0.00273 0.033 0.44 20.9
Zinc mg/L 5 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 0.2
Radionuclides
Gross Alpha pCi/L 15 1.5 310 1,500 32 4.6 220 270 16,000
Gross Beta pCi/L - 5.4 88 360 15 7 73 130 4600
Radium 226- Dissolved pCi/L - 0.18 0.22 0.57 0.39 0.25 35 3.8 110
Radium 226-Total pCi/L - 0.11 0.34 0.59 0.38 0.35 34 5.7 100
Radium 228-Total pCi/L 5 -0.64 0.19 -0.75 1.1 0.72 0.98 4.4 0.23
Radium 226+ Radium 228-Total pCi/L 0 0 0 0.59 0 0 34 10 100
Notes:
Bold and grey shaded analytical results were detected above the criteria.
B = Estimated concentration
CaCO3=Calcium Carbonate
mg/L=Milligrams per Liter
pCi/L= PicoCuries per Liter
Chromium III=Trivalent Chromium
PAW, 1:3 W 17