2018-11-15_HYDROLOGY - M1980244 ‎(6)‎

• Permit No: M1980244
• IBM Index Class Name: HYDROLOGY
• Doc Date: 11/15/2018
• Doc Name Note: Demonstration of Compliance w/WQCC's Regulation #41 - Basic Standards for GW
• Doc Name: Part 1 of 5
• From: CC&V
• To: DRMS
• Email Name: AME
• Email Name: TC1
• Email Name: MAC
• Email Name: ERR
• Email Name: JPL
• Media Type: D
• Archive: No

5.1.6 Fluoride
Table 10 presents fluoride summary statistics by well for the Squaw Gulch data.
Table 10. S uaw Gulch fluoride statistics.
SGMW- SGMW- SGMW- SGMW- SGMW- SGMW- SGMW- SGMW-
IA 1B 2A 3B 4A 4B 6B 7B
Geornean 0.49 0.97 0.56 4.65 2.86 1.89 6.83 2.42
S.D. 0.00 0.06 0.06 3.35 0.15 0.22 1.56 0.01
Max 0.49 1.09 0.67 18.70 3.01 2.22 9.69 2.44
Min 0.49 1 0.90 1 0.39 1 2.20 1 2.62 1.64 3.34 2.41
n 1 21 14 69 4 7 17 2
Reg 41 TVs 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00
Monitoring wells SGMW-3B, SGMW-4A, SGMW-4B, SGMW-6B, and SGMW-713 have recorded
values above the Reg 41 value in Squaw Gulch.
5.1.7 Iron
Table 11 presents the summary statistics for iron by well for the Squaw Gulch data.
Table 11. Squaw Gulch iron statistics.
SGMW- SGMW- SGMW- SGMW- SGMW- SGMW- SGMW- SGMW-
IA 1 B 2A 3B 4A 4B 6B 7B
Geomean 0.26 0.08 0.17 0.07 1.97 0.13 8.14 0.06
S.D. 0.00 0.06 0.27 0.02 2.36 0.02 2.89 0.00
Max 0.26 0.21 0.88 0.10 6.18 0.15 11.90 0.06
Min 0.26 0.02 0.05 0.05 0.52 0.11 2.86 0.06
n 1 13 13 4 3 3 17 1
Reg 41 TVS 0.30 0.30 1 0.30 0.30 0.30 0.30 0.30 0.30
Squaw Gulch data analysis shows that all data recorded falls below the approved NPL of 14 mg/L.
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