2021-10-07_HYDROLOGY - M1977300

• Permit No: M1977300
• IBM Index Class Name: HYDROLOGY
• Doc Date: 10/7/2021
• Doc Name: Water Level Monitoring
• From: Colorado Legacy Land
• To: DRMS
• Report Quarter_Month: 2
• Email Name: AME
• Media Type: D
• Archive: No

�COLORADO LEGACY LAND
TABLE 2B:SUMMARY OF SURFACE WATER ANALYTICAL DATA
Surface Water Quality Standards
Units
Segment 17b,Ralston Creek Sample Location
(CDPHE2019)1 SW-ARH SW-AWD SW-BPL SW-FBRG SW-LLHG SW-NWRP SW-Weir
Acute Chronic 06/03/2021 06/15/2021 06/15/2021 06/03/2021 06/03/2021 06/15/2021 06/03/2021
Mw Physical Properties
TDS-Total Dissolved Solids mg/L 168 216 206 180 182 220 184
TSS-Total Suspended Solids mg/L <5 <5 H <5 H 5 B 6 B <S H <5
Alkalinity as CaCO3 mg/L 41.1 48.5 55.2 40.2 41.9 50.5 44.4
Bicarbonate as CaCO3 mg/L 41.1 48.5 55.2 40.2 41.9 50.5 44.4
Calcium-Dissolved mg/L 23.6 27.2 26.2 23.5 23.7 27.5 24.4
Carbonate asCaCO, mg/L - <2 <2 <2 <2 <2 <2 <2
Chloride mg/L 250 47.3 52.3 48.4 47.4 48.5 S1.5 46.6
Fluoride mg/L 0.3 B 0.31 B 0.27 8 0.35 0.3 B 0.31 B 0.31 B
Hydroxide as CaCO3 mg/L c2 <2 <2 <2 <2 <2 <2
Magnesium-Dissolved mg/L 6.91 7.46 7.43 6.84 6.93 7.67 7.19
Potassium-Dissolved mg/L 1.7 1.76 1.71 1.71 1.72 1.83 1.86
Sodium-Dissolved mg/I. - 14.2 15.3 16.1 13.8 14.7 15.2 14.6
Sulfate mg/L 250 <1 12.2 15 <1 <1 13 <1
Cyanide-Weak Acid Dissociable mg/L 0.005 - <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003
Nitrate+Nitrite as N mg/L NO3=10 NO2=0.05 0.229 0.477 0.047 B 0.088 B 0,078 B 0.062 B 0.065 B
Phosphate-Total mg/L - - <0.03 <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 <0.01
Aluminum mg/L - c0.05 <0.05 4.05 <0.05 <0.05 <0.05 0.063 B
Antimony ing/l. <0.0004 c0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004
Arsenic mg/L 0.34 - <0.0002 <0.0002 0.00021 B <0.0002 0.00026 B <0.0002 <0.0002
Boron mg/L - 0.75 <0.03 <0.03 0.0368 <0.03 <0.03 <0.03 <0.03
Chromium 111=0.11
Chromium mg/L <0.02 <0.02 <0.02 c0.02 4.02 <0.02 c0.02
Chromium VI=0.016 Chromium VI=0.011
Copper mg/L 0.0213 0.0136 <0.01 4.01 <0.01 c0.01 <0.01 <0.01 <0.01
Iron mg/L 0.3 <0.06 <0.06 <0.06 <0.06 0.067 B <0.06 0.118 B
Lead mg/L 0.109 0.0043 <0.0001 <0.0001 <0.0001 <0.0001 0.00089 <0.0001 0.00012 B
Manganese mg/L 3.51 1.94 <0.01 c0.01 <0.01 <0.01 <0.01 0.019 B 0.017 B
Mercury mg/I. <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002
Molybdenum mg/L 0.00143 0.00048 B 0.00098--1 0.00129 1 0.00145 0.00066 0.00206
Silver mg/L 0.0047 200017 <0.0001 <0.0001 <0.0001 <0.0001 <0.000I <0.0001 <0.0001
Thallium mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Uranium mg/L 0.0115 0.0009 0.0101 0.0122 0.0109 0.00219 0.0135
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