2022-09-13_HYDROLOGY - M1977300

• Permit No: M1977300
• IBM Index Class Name: Hydrology
• Doc Date: 9/13/2022
• Doc Name: Water Monitoring - Groundwater and Surface Water
• From: Colorado Legacy Land
• To: DRMS
• Annual Report Year: 2022
• Report Quarter_Month: 2
• Email Name: AME
• Email Name: MAC
• Media Type: D
• Archive: No

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Table 2B:Summary of Surface Water Analytical Data
Surface Water Quality Standards
Sample Location
Segment 17b,Ralston Creek
Parameter Units
(CDPHE 2019)1 SW-AWD SW-NWRP SW-BPL SW-FBRG SW-ARH SW-LLHG SW-V
Acute Chronic 05/20/2022 05/23/2022 05/20/2022 05/23/2022 05/23/2022 05/23/2022 05/23/
Physical Properties
Manganese mg/L 3.51 1.94 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.(
Mercury mg/L - - <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0(
Molybdenum mg/L - - 0.0103 0.00068 0,01046 0.00082 0.00146 0.00167 0.00:
Silver mg/L 0.0047 0.00017 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.01
Thallium mg/L - - <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0(
Uranium mg/L - - 0.00131 0.00225 0.00519 0.00399 0.00557 0.00615 0.00(
Zinc ing/L 1 0.249 0.188 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.1
Metals-Total
Aluminum mg/L - - <0.05 0.082 <0.05 0.076 0.055 <0.05 <0.(
Antimony mg/L - - <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0(
Arsenic mg/L - 0.00002 <0.0002 <0.0002 0.00228 0.00022 0,00038 0.00044 0.00(
Boron mg/L - 0.75 <0.03 <0.03 0.057 <0.03 <0.03 <0.03 <0.1
Chromium III=0.005 -
Chromium mg/L Chromium IV= <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.(
Chromium IV=0.016 0.011
Copper mg/L 0.0213 0.0136 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.1
Iron mg/L - 1 <0.06 0.23 0.217 0.185 0.301 0.183 0.1,
Lead mg/L 0.05 - <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.00012 0.001
Manganese mg/L 0.05 - <0.01 <0.01 0.013 <0.01 0.012 0.026 0.0
Mercury mg/L 3.513 1.941 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0(
Molybdenum mg/L - 0.15 0.0103 0.00073 0.010465 0.00091 0.00143 0.00179 0.00:
Silver mg/L 0.0047 0.00017 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0(
Thallium mg/L - - <0.0001 <0.0001 0.00015 <0.0001 <0.0001 <0.0001 <0.0(
Uranium mg/L - - 0.001455 0.00263 0.00572 0.00476 0.00631 0.00707 0.00"
Zinc mg/L 0.249 0.188 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.(
Radionuclides
Gross Alpha pCi/L - - 10.4 3.4 54.89 3 4.2 9.6 7.:
Gross Beta pCi/L - - 20.6 1.7 29.1 3.2 1.6 3.2 2.:
Radium 226-Dissolved pCi/L - - 0.09 0 0.19 0.21 0.24 0.1 0.1
Radium 226-Total pCi/L - - 0.39 0.13 0.42 0.23 0.31 0.24 0.2
Radium 228-Total pCi/L - - 2.9 1.1 3.2 0.57 0.95 1.2 L,
Radium 226+Radium 228-Total pCi/L - - 0 0 1.9 0 0 0 0