2022-06-21_HYDROLOGY - M1977300

• Permit No: M1977300
• IBM Index Class Name: Hydrology
• Doc Date: 6/21/2022
• Doc Name: Water Monitoring - Groundwater and Surface Water
• From: Colorado Legacy Land
• To: DRMS
• Annual Report Year: 2022
• Report Quarter_Month: 1
• Email Name: AME
• Email Name: MAC
• Media Type: D
• Archive: No

COLORAD0 LEGACY LAND
TABLE 213:SUMMARY OF SURFACE WATER ANALYTICAL DATA
Surface Water Quality Standards
Sample Location
Segment 17b,Ralston Creek
Parameter Units
(CDPHE 2021)' SW-AWD SW-NWRP SW-BPL SW-ARH SW-LLHG SW-Weir
Acute Chronic 03/02/2022 03/02/2022 03/02/2022 03/02/2022 03/02/2022 03/02/2022
Physical Properties
TDS-Total Dissolved Solids mg/L - 204 206 201 222 224 262
TSS-Total Suspended Solids mg/L I <5 <5 <5 <5 <5 <5
Major Ions
Alkalinity as CaCO3 mg/L - - 56.4 55.3 58.3 67.3 72.3 84.6
Bicarbonate as CaCO3 mg/I. - - 56.4 55.3 58.3 67.3 72.3 84.6
Calcium-Dissolved mg/L - - 34.5 35.1 36.3 36 36.8 41.5
Carbonate as CaCO3 mg/L - - <2 <2 <2 <2 <2 <2
Chloride mg/L - 250 65.6 65.6 66.1 64.2 63.2 63.6
Fluoride mg/L - - 0.3 0.31 0.325 0.32 0.31 0.29
Hydroxide as CaCO3 mg/L - - <2 <2 <2 <2 <2 <2
Magnesium-Dissolved mg/L - - 9.37 9.68 10.2 10.5 10.8 12.3
Potassium-Dissolved mg/L - - 1.42 1.4 1.53 1.67 1.75 2.59
Sodium-Dissolved mg/L - - 19.9 19.7 20.1 24.2 25.1 32
Sulfate mg/L - 250 26.95 28.3 31.1 38 36 52.7
Nutrients
Cyanide-Weak Acid Dissociable mg/L 0.005 - <0.003 <0.003 0.00815 0.006 <0.003 <0.003
Nitrate+Nitrite as N mg/L NO3=10 NO2=0.05 0.028 <0.02 <0.02 <0.02 <0.02 <0.02
Phosphate-Total mg/L - - <0.03 <0.03 <0.03 <0.03 <0.03 <0.03
Phosphorus-Total mg/L - 0.11 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01
Metals-Dissolved
Aluminum mg/L - - <0.05 <0.05 <0.05 <0.05 <0.05 <0.05
Antimony mg/L - - <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004
Arsenic mg/L 0.34 - <0.0002 <0.0002 <0.0002 0.00023 <0.0002 <0.0002
Boron mg/L - 0.75 <0.03 <0.03 <0.03 <0.03 <0.03 0.042
Chromium III=0.11
Chromium - mg/L <0.02 <0.02 <0.02 <0.02 <0.02 <0.02
Chromium VI =0.016 Chromium VI =0.011
Copper mg/L 0.0213 0.0136 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01
Iron mg/L - 0.3 <0.06 <0.06 <0.06 <0.06 <0.06 <0.06
Lead mg/L 0.109 0.0043 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Manganese mg/L 3.51 1.94 <0.01 <0.01 <0.01 <0.01 0.011 0.087
Mercury mg/L - - <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002
Molybdenum mg/L - - <0.0103 <0.00103 <0.01056 <0.00239 <0.00311 <0.00541
Silver mg/L 0.0047 0.00017 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
PAGE 8 OF 17