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

All nitrite as N data recorded for the Squaw Gulch drainage is below the Reg 41 value of 1.00 mg/L.
5.1.13 Nitrate as N
Table 17 presents the summary statistics for nitrate as N by well for the Squaw Gulch data.
Table 17. S uaw Gulch nitrate as N statistics.
SGMW- SGMW- SGMW- SGMW- SGMW- SGMW- SGMW- SGMW-
IA 1B 2A 3B 4A 4B 6B 7B
Geomean 0.32 8.74 1.31 0.54 0.43 1.27 1.26 9.02
S.D. 0.00 5.22 0.26 0.94 0.00 0.62 0.08 1.63
Max 0.32 19.80 1.55 3.80 0.43 2.24 1.34 10.80
Min 0.32 3.50 0.54 0.06 0.43 0.53 1.19 7.54
n 1 21 14 67 1 7 2 2
Reg 41 TVs 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0
Monitoring wells SGMW-1B and SGMW-7B have recorded data above the Reg 41 value.
5.1.14 Nitrite+Nitrate as N
Table 18 presents the summary statistics for nitrite+nitrate as N by well for the Squaw Gulch data.
Table 18. Squaw Gulch nitrite+nitrate as N statistics
SGMW- SGMW- SGMW- SGMW- SGMW- SGMW- SGMW- SGMW-
lA 1B 2A 3B 4A 4B 6B 7B
Geomean 0.32 9.53 1.31 0.63 0.43 1.28 0.05
s_D 0.00 5.06 0.26 0.89 0.00 0.62 0.00
Max 0.32 19.80 1.55 3.20 0.43 2.24 0.05
Min 0.32 1 4.30 1 0.54 1 0.12 1 0.43 1 0.53 1 0.05
n 1 19 14 19 1 7 1
Reg 41 TVs 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0
*no nitrite+nitrate as N data collected for this well
Only monitoring well SGMW-1B has recorded nitrite + nitrate as N data above the Reg 41 value of 10.0
mg/L. Data for nitrite+nitrate as N has been collected for all monitoring except for SGMW-7B.
18