2021-05-10_HYDROLOGY - M1977300

• Permit No: M1977300
• IBM Index Class Name: HYDROLOGY
• Doc Date: 5/10/2021
• Doc Name: Water Monitoring - Surface Water
• From: Colorado Legacy Land
• To: DRMS
• Email Name: AME
• Media Type: D
• Archive: No

_`_4� 6COLORADO LEGACY LAND
TABLE B-SUMMARYOF SURFACE WATER ANALYTICAL DATA qw
- - Surface Water Quality Standards Sample Location
Segment 17b,Ralston Creek
_. Parameter Units CDPHE 2019 ' SW-AWD SW-NWRP SW-BPL SW-FBRG SW-ARH SW-LLHG
Acute Chronic 01/27/2021 01/27/20ZI 01/27/2021 01/27/2021 01/27/2021 01/27/2021
Physical Properties
TDS-Total Dissolved Solids m L - - -
TSS-Total Suspended Solids m L
'or Ions
Alkalinity asCaCO, m L 60 59 63 64 90 92
Bicarbonate as CaCO, m I. 60 59 63 64 90 92
Calcium-Dissolved m L 42.6 43.0 44.4 45.3 47.9 45.3
Carbonate asCaCO, m L <2 <2 <2 <2 <2 <2
Chloride m L 250 64.5 63.8 62.4 63.0 59.5 56.1
Fluoride m L 0.30 B 0.28 B 0.24 B 0.24 B 0.35 B 0.33 B
Hydroxide as CaCOi m L <2 <2 <2 <2 <2 <2
Magnesium-Dissolved m L 12.0 12.6 13.6 14.1 15.9 14.8
Potassium-Dissolved m L 1.58 1.91 2.06 2.08 2.62 2.49
Sodium-Dissolved m L 20.8 19.8 19.4 20.1 41.4 39.7
Sulfate I m l.1 250 40.3 42.4 46.5 47.7 79.9 81.5
Cyanide-Weak Acid Dissociable m L 0.005 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003
Nitrate-Nitrite as N m L 1,10�=10 N0=0.05 0.034 B <0.02 0.025 B <0.02 <0.02 <0.02
Phosphate-Total m L <0.03 <0.03 <0.03 <0.03 <0.03 <0.03
Phos horus-Total m L 0.11 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01
Aluminum m L <0.05 <0.05 <0.05 <0.05 <0.05 <0.05
Antimony mg/I. <0.0004 <0,0004 <0.0004 <0.0004 <0.0004 <0.0004
Arsenic mg/L. 1 0.34 0.00036 B <0.0002 <0.0002 <0.0002 0.00037 B 0.00027 B
Boron m 1. 0.75 <0.02 <0.02 <0.02 <0.02 0.042 B 0.048 B
Chromium mg/L Chromium III=0.11 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01
Chromium IV=0.01G Chromium IV=0.011
Copper m 1. 0.0213 0.0136 <0.01 <0.01 <0.01 <0.01 <0.01 -0.01
Iron m L 0.3 <0.06 0.246 <0.06 <0.06 <0.06 <0.06
Lead m L 0.109 0.0043 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Manganese m L 3.51 1.94 <0.01 0.025 B 0.013 B <0.01 0.037 B -0.01
Mercury m L <0.0002 <0.0002 <0.0002 0.0002 <0.0002 <0.0002
Molybdenum m L 0.0005 0.0011 0.0025 0.0029 0.0064 0.0072
Silver m L 0.0047 0.00017 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Thallium m 1. <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Uranium m 1. 0.0030 0.0088 0.0260 0.0322 0.0422 0.0437
"Line m I. 0.249 0.188 <0-0'2 <0.02 <0.02 <0.02 <0.02 <(Loz
Aluminum m L <0.05 <0.05 <0.05 <0.05 <0.05 <0.05
Antimony m L <0.0004 <0.0004 1 <0.0004 <0.0004 I <0.0004 <0.0004
Arsenic m L 0.00002 <0.0002 <0.0002 0.00021 B <0.0002 0.00029 B 0.0002 B
Boron mg/L - 0.75 <0.02 <0.02 <0.02 <0.02 0.028 B 0.032 B
Chromium III=0.005
Chromium mg/L <0.01 <0.01 <0.01 <0.0] <0.01 <0.01
Chromium IV=0.016 Chromium IV=0.011
once ll,�re 1 s