2008-09-15_HYDROLOGY - M2004078

• Permit No: M2004078
• IBM Index Class Name: HYDROLOGY
• Doc Date: 9/15/2008
• Doc Name: July 2008 Groundwater Monitoring Results
• From: Civil Resources
• To: DRMS
• Permit Index Doc Type: Hydrology Report
• Email Name: ECS
• Media Type: D
• Archive: No

Lupton Lakes Sand and Gravel Mine - Ft. Lupton, Colorado
Water Quality Monitoring Summary
Sample Date:July 2008
Groundwater quality monitoring as required by the Division of Minerals and Geology Permit #M-2004-07P
Wells
Test Proposed
limits by Reporting Baseline
Parameters Units CDPHE'-' Limits Levels CRMW-01 CRMW-04 CRMW-06 CRMW-09 CRMW-16 CRMW-41
c
a Fluoride mg/L 4 0.09 1.4 1.30 1.19 1.38 1.18 1.33 1.64
;
a C Nitrate-N mg/L 10 0.04 29.9 16.06 3.29 14.03 <0.04 6.94 16.53
Chloride mg/L 250 0.01 158 132.60 47.29 102.42 208.98 101.59 138.91

a Iron - Dissolved mg/L 0.3 0.005 0.63 0.202 0.121 0.180 0.171 0.167 0.160
Conductivity NS - - --- 1018 470 958 1419 863 1094
ov
pH
units
8.5
-
-
8.00
6.90
7.99
7.85
8.16
8.27

Sulfate mg/L 250 0.01 237 207.01 83.00 173.74 271.57 192.02 197.00

I Total Dissolved Solids m /L 1.25-Baseline 5.0 1075 605 376 730 1067 617 910
E Bicarbonate mg/L - 0.1 384 293.5 141.8 267.2 498.0 256.6 304.8
Calcium - Dissolved mg/L - 0.40 139 116.1 46.3 103.3 154.5 96.5 122.5
0
E
Carbonate
mg/L
-
0.1
0
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
Magnesium - Dissolved mg/L - 0.1 44 27.1 10.2 23.2 37.1 22.6 32.1
a
Sodium - Dissolved mg/L - 0.1 150 126.7 59.7 120.7 153.1 122.8 152.3
o Total Alkalinity CaC03 - 0.1 - 240.6 116.2 219.0 408.2 210.3 249.8
Total Suspended Solids mg/L --- 5.0 8015 3987 1145 1296 192 4390 389
Q Turbidity NTU ---- 0.0 - 1763.00 802.00 1438.00 132.00 4040.00 168.00
Secondary Drinking Water Standards - Suggested Limits by CDPHE. The secondary maximum contaminant levels are intended as guidelines.
'Colorado Department of Public Health and Environment (CDPHE) maximum contaminant level (MCL) for Drinking Water
'Laboratory results shown in RED HIGHLIGHT exceed MCL or suggested sitewide limits but not individual well limits
Page 1 of 1 Prepared by Civil Resources, LLC