2020-06-29_HYDROLOGY - M1977300

• Permit No: M1977300
• IBM Index Class Name: HYDROLOGY
• Doc Date: 6/29/2020
• Doc Name: Water Monitoring - Surface Water
• From: Colorado Legacy Land
• To: DRMS
• Annual Report Year: 2020
• Report Quarter_Month: Mar
• Email Name: MAC
• Email Name: AME
• Media Type: D
• Archive: No

e.NW� COLORADo LEGACY LAND
TABLE 113:SUMMARY OF SURFACE WATER ANALYTICAL DATA
Surface Water Quality Standards Sample Location
Segment 17b,Ralston Creek
Parameter Units CDPHE 2019 1 SW-ARH SW-BPL SW-FBRG SW-LLHG SW-Weir SW-AWD SW-NWRP
Acute Chronic 3/3/2020 3/3/2020 3/10/2020 3/3/2020 3/3/2020 3/10/2020 3/10/2020
Physical Properties
TDS-Total Dissolved Solids m L 238 208 204 222 230.0 206.0 206.0
TSS-Total Suspended Solids m L - <5 <5 <5 <5 <5 <5 <5
Major Ions
Alkalinity as CaCO3 m L - 66.6 59.0 54.6 68.5 71.4 52.2 50.3
Bicarbonate as CaCO3 m L - - 66.6 59.0 54.6 68.5 71.4 52.2 50.3
Calcium-Dissolved m L - 34.5 33.7 31.8 34.9 35.1 31.4 31.6
Carbonate as CaCO3 m L - - <2 <2 <2 <2 <2 <2 <2
Chloride m L - 250 59.6 61.5 66.7 58.9 58.4 66.8 67.4
Fluoride m L - - 0.3 0.3 0.4 0.3 0.3 0.4 0.4
Hydroxide as CaCO3 m L - - <2 <2 <2 <2 <2 <2 <2
Magnesium-Dissolved m L - - 10.2 9.5 9.4 10.3 10.4 9.0 9.2
Potassium-Dissolved m L - - 1.7 1.5 1.6 1.8 1.8 1.5 1.6
Sodium-Dissolved m L - - 23.0 18.2 17.2 23.5 24.0 17.3 17.2
Sulfate m L 250 42.8 18.6 20.0 44.4 47.4 10.1 15.6
Nutrients
Cyanide-Weak Acid Dissociable m L 0.005 - <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003
Nitrate+Nitrite as N m L NO3=10 NO2=0.05 <0.02 <0.02 0.02 <0.02 <0.02 <0.02 0.87
Phosphate-Total m L - - 0.06 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03
Phosphorus-Total m L - 0.11 0.02 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01
Metals-Dissolved
Aluminum m L - - <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05
Antimony m L - - <0.0004 <0.0004 <0.0004 0.0004 <0.0004 <0.0004 <0.0004
Arsenic m L 0.34 - 0.0002 <0.0002 <0.0002 0.0002 0.0002 <0.0002 <0.0002
Boron m L - 0.75 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02
Chromium - Chromium III=0.11 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01
m L Chromium IV=0.016 Chromium IV= 0.011
Copper m L 0.0213 0.0136 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01
Iron m L - 0.3 <0.03 0.03 <0.03 <0.03 <0.03 <0.03 0.07
Lead m L 0.109 0.0043 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Manganese m L 3.51 1.94 0.01 <0.01 <0.01 0.01 0.02 <0.01 <0.01
Mercury m L - - <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002
Molybdenum m L - - 0.0023 0.0011 0.0011 0.003 0.0033 0.0005 0.0007
Silver m L 0.0047 0.00017 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Thallium m L - - <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Uranium m L - - 0.0137 0.0079 0.0084 0.0149 0.0148 0.0017 0.0042
Zinc m L 0.249 0.188 <0.01 I <0.01 <0.01 <0.01 I <0.01 <0.01 <0.01
Metals-Total
Aluminum m L - - <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05
Antimony m L - - <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004
Arsenic m L - 0.00002 0.0003 <0.0002 <0.0002 0.0003 0.0002 <0.0002 <0.0002
Boron m L - 0.75 0.03 <0.02 <0.02 0.03 0.03 <0.02 <0.02
Chromium III=0.005 -
Chromium <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01
m L Chromium IV=0.016 Chromium IV=0.011
Copper m L 0.0213 0.0136 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01
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