WI0700012_Monitoring (Report)_20230906

lutrien-
CERTIFIED MAIL
August 31,2023 DECEIVED
NC Division of Water Resources SEP 0 6 2023
Groundwater Resources Section
Attn:Michael Rogers NC DEq/DWR
1636 Mail Service Center Central office
Raleigh,NC 27699
Subject: Underground Injection Control Program
Quarterly Groundwater Monitoring Report
May 2023—July 2023
Injection Well Permit#WI0700012
PCS Phosphate Company,Inc.1
Tank Farm Remedial Action System
Dear Mr.Rogers,
Please see attached for the groundwater monitoring report associated with Injection Well Permit
#W10700012 and the Tank Farm Remedial Action Plan. This report includes the sampling and reporting
requirements of the above referenced permit as well as the reporting requirements of the Tank Farm Remedial
Action Plan. Enclosed are a) piezometer level monitoring field sheets, b) the operation and maintenance
reports.
Please do not hesitate to contact me at(252)617-5374 if you have any questions regarding this information.
Sincerely,
6u- ct -
Brittany Curtis
Environmental&Technical Services Specialist
Nutrien—Aurora
Attachments
PC: 12-07-02 (w/attach)
ec: J.C.Stroud
T.E.Herring
J.A. Casey
H.B.Mills
1530 NC Hwy 308 South,Aurora,NC USA 27806
1 Effective January 1,2018,PCS Phosphate Company,Inc.is an indirect subsidiary of Nutrien Ltd.PCS Phosphate Company,Inc.
remains the legal operating entity and permittee.

1 Y
RECEIVED
SEP 06 2023
NC DEQ/DWR
PCS PHOSPHATE-TANK FARM REMEDIAL ACTION PLAN Central Office
(QUARTERLY OPERATIONAL AND MAINTENANCE REPORT FOR THE INJECTION AND
WITHDRAWAL WATER WELLS
May 2023—July 2023
The Tank Farm Remediation System consists of a series of seven- (7) injection water wells located on the
south side of the Tank Farm Area and a series of fourteen(14)withdrawal water wells located on the north
side of the Tank Farm Area.
Infection Water Well Svstem
The injection water well system is operated with mine depressurization water(DPW).
Daily operational data is collected by the Shipping Department and reported to the Environmental Affairs
Department. The total monthly and quarterly volumes of water injected as well as the month end water level
in the Water Level Control Tank are:
TANK
DPW WATER TOTAL AVERAGE LEVEL
GALLONS GALLONS GPM FEET, MSL
May 258, 857 258, 857 5 . 8 6. 4
June 234, 082 234, 082 5 .2 6.3
July 232, 720 232, 720 5 .2 5 .5
TOTALS 725,659 725,659
Withdrawal Well SN-stem
The withdrawal water well pumps are monitored daily by the area Maintenance Department and preventative
maintenance work is performed as needed. The total monthly and quarterly withdrawal water volumes for
the period are:
SAND CROATAN
FORMATION FORMATION TOTAL AVERAGE
GALLONS GALLONS GALLONS GPM
May 491, 558 5851800 1, 077, 358 13. 1
June 743, 212 486, 598 1, 229, 809 11 . 3
July 285, 448 472, 099 757, 547 10 . 6
TOTALS 1, 520,217 1, 544, 497 3, 064, 714
2

Operation Notes:
5/24/2023: Pump Stuck in well casing.
7/2/2023: Changed Filter
3

Nutrien-Tank Farm Remediation System Quarterly Monitoring
Date: 7- a-G-a 3
Time: o93 c RECEIVED
File:12-07-02
/-\
Tech: CHR;s lAB?"� 1 RECEi9/ED Raf..nw Level Rol
B PoUK MSL to MSL
rS ,em Gauge Pressures SEr O6 2O23 Ditch 12.91-1 N/A Bare Slip 10.59 O
-7 N1A NC DEQ/DWR Water Level
-1 NIA Central Office Control Tank 1�.3•�
CWW-7 INIA %=MSL
Sand Layer Peizometers Level Indicators
TOC TOC Level TOC TOC Level
Elevation Stc Wtr Relative To Elevation Stc Wtr Relative To
Well ID MSL' Level' MSL Ft. Well ID MSL' Level' MSL Ft.
S z-1 10.47 3. 1 7 C z-1 10.51 r .16
S z-2 11.21 (p. 9 .0(0 C z-2 10.25 Z 3, O
S z-3 11.87 77, 10 4-7-1 C z-3 11.43 .4 -a . O Q_
5,z-4 11.45 . O CPW 10.67 1 4 . �og
Snz-5 11.45 Q 3 •0 5 MWTF-1A* 14.35 •S Q. 5 C)
S z-6 11.23 (7. 0 •7 /p MWTF-1B* 14.36 Z Q . [a
S z-7 11.59 . L{•t% MWTF-1C* 14.44 { 0 1 . ,gs
S z-8 11.57 .-7a MWTF-2A 14.05 .5 (y. 47
S z-9 11.66 3•70 `]. MWTF-2B 14.02 1 .3 . 4
S z-10 12.16 MWTF-2C 9.82 • . (o
SPW 11.00 0 .160Q MWTF-3A 12.21 3 . L} 8 * "No
MWTF-313 12.18 a • as
MWTF-3C 12.19 �] �8