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Home My WebLink AboutWI0700012_Monitoring (Report)_20221130dutrien- CERTIFIED MAIL November 30, 2022 NC Division of Water Resources Groundwater Resources Section Attn: Michael Rogers 1636 Mail Service Center Raleigh, NC 27699 Subject: Underground Injection Control Program Quarterly Groundwater Monitoring Report August 2022 — October 2022 Injection Well Permit #WI0700012 PCS Phosphate Company, Inc.' Tank Farm Remedial Action System Dear Mr. Rogers, Please see attached for the groundwater monitoring report associated with Injection Well Permit #WI0700012 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 and c) semi-annual lab analysis results of the withdrawal wells. Please do not hesitat�qo contact me at (252) 402-6044 if you have any questions regarding this information. Sincerely, �c James Chan r Stroud Supervisor, Environmental Affairs and Technical Services Nutrien — Aurora Attachments PC: 12-07-02 (w/ attach) ec: T. E. Herring J. A. Casey H. B. Mills D.D. Winstead 1530 NC Hwy 306 South, Aurora, NC USA 27806 1 Effective January 1, 2018, PCS Phosphate Company, Inc. is an indirect subsidiary of Nutrien Ltd. PC5 Phosphate Company, Inc. remains the legal operating entity and permittee. nutnen.com PCS PHOSPHATE - TANK FARM REMEDIAL ACTION PLAN QUARTERLY OPERATIONAL AND MAINTENANCE REPORT FOR THE INJECTION AND WITHDRAWAL WATER WELLS August 2022 — October 2022 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. Injection Water Well System 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: DPW WATER GALLONS TOTAL GALLONS AVERAGE GPM TANK LEVEL FEET, MSL August 267,275 267,275 6.0 6.4 September 254,886 254,886 5.9 6.3 October 123,517 123,517 2.8 5.5 TOTALS 645,678 645,678 10/6/22 — Injection system taken out of service for filter repairs. 10/13/22 — Injection system put back into service. V, Withdrawal Well S jstem 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 FORMATION GALLONS CROATAN FORMATION GALLONS TOTAL AVERAGE GALLONS GPM August 792,044 773,838 1,525,882 34 September 277,357 412,213 689,570 16 October 330,629 388,098 718,727 16 TOTALS 1,400,030 1,534,148 On 8/20 a new counter installed SWW-4. On 9/14 new pumps were installed in SWW-6 and CWW4. On 9/27 a new pump was installed in SWW4. On 10/5 cleaned the CWW-3 pump. On 10/17 cleaned the CWW-2 pump. On 10/19 cleaned the SWW-1 pump. 3 Tank Farm Remediation System Quarterly Monitoring Date: 10/5/2022 Time: 10:00 AM Tech: Bryan Mills System Gauge Pressures SWW-1 N/A SWW-7 N/A CWW-1 N/A CWW-7 N/A File: 12-07-02 Reference Rel Point MSL Tvei o MSL Ditch 12.91 5.2 Barge Slip 10.59 3.6 Water Level Control Tank 62% 11.28 %= MSL Sand Layer Peizometers Level Indicators Well ID TOC Elevation MSL' TOC Stc Wtr Level' Level Relative To MSL Ft. Well ID TOC Elevation MSL' TOC Stc Wtr Level' Level Relative To MSL Ft. S z-1 10.47 2.41 8.06 C z-1 10.51 11.52 -1.01 S z-2 11.21 5.90 5.31 C z-2 10.25 11.92 -1.67 S z-3 11.87 11.28 0.59 C z-3 11.43 12.92 -1.49 S z-4 11.45 5.80 5.65 CPW 10.67 12.15 -1.48 S z-5 11.45 9.80 1.65 MWTF-1A ` 14.35 4.10 10.25 S z-6 11.23 9.10 2.13 MWTF-1B ` 14.36 4.65 9.71 S z-7 11.59 11.02 0.57 MWTF-1C ` 14.44 12.40 2.04 S z-8 11.57 6.90 4.67 MWTF-2A 14.05 7.90 6.15 S z-9 11.66 10.35 1.31 MWTF-2B 14.02 12.92 1.10 S z-10 12.16 5.55 6.61 MWTF-2C 9.82 10.75 -0.93 SPW 11.00 14.50 -3.50 MWTF-3A 12.21 3.30 8.91 MWTF-3B 12.18 11.39 0.79 MWTF-3C 1 12.19 1 16.60 -4.41 CWW-1 RCWW-2* CWW-3 CWW-4 RCWW-5* RCWW-6* RCWW-7* No Sample? Sample Date 10/12/2022 10/25/2022 10/12/2022 10/12/2022 10/12/2022 10/12/2022 10/13/2022 Well Depth ft 55.00 53.00 53.00 53.00 53.00 53.00 53.00 c c Mm Well Diameter in 4.00 4.00 4.00 4.00 4.00 4.00 4.00 .2 Pipe Elevation ft 10.6 13.33 9.95 10.73 13.3 13.69 13.99 c. Riser ft 2.25 3.00 3.08 2.75 3.00 3.40 3.58 N v Screened Int. Start ft 33.27 30.00 36.42 41.67 42.00 36.00 36.00 3 Screened Int. End ft 52.68 50.00 50.67 50.92 51.00 51.00 51.00 Depth to Water ft - - - - - - - Ft Below MP ft Vol Purged cont. cont. cont. cont. cont. Cont. cont. .N Purge Units - - - - - - - T c Field pH units 6.4 5.2 6.4 6.6 6.6 6.8 6.2 Specific Cond. uMhos 4123 4416 7434 4432 2643 3179 1894 v LL Temp C 20 20 20 20 20 20.0 20 Odor none none none none none none none Appearance clear clear clear clear clear clear clear Acidified n/a n/a n/a n/a n/a n/a n/a TDS mg/L 2900 5100 3700 2600 1700 1900 1200 Lab pH units 6.4 5.2 6.4 6.6 6.6 6.8 6.2 TOC mg/L 7.12 9.4 4.92 5.88 5.04 5.32 5.00 .N Chloride mg/L 329 95 1530 490 107 43 43 m Sulfate mg/L 446 756 763 797 739 1590 503 c ¢ Total P mg/L 19.4 1297.5 34.25 25.25 13.53 25.50 78.5 c� J Manganese ug/L n/a n/a n/a n/a n/a n/a n/a Fluoride mg/L 0.22 0.50 0.17 0.12 0.05 0.04 0.06 Lab Start Date 10/17/2022 10/25/2022 10/17/2022 10/17/2022 10/17/2022 10/17/2022 10/17/2022 Lab End Date 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 *Redrilled Q4 2021, pipe elevations and riser lengths updated 5/17/22 SWW-1 SWW-2 SWW-3 RSWW-4* SWW-5 SWW-6 SWW-7 No Sample? Sample Date 10/25/2022 10/13/2022 10/12/2022 10/12/2022 10/13/2022 10/13/2022 10/25/2022 Well Depth ft 22.50 23.00 24.50 23.00 28.21 26.00 29.50 c c Mm Well Diameter in 4.00 4.00 4.00 4.00 4.00 4.00 4.00 .2 Pipe Elevation ft 10.7 9.99 9.97 13.07 10.8 10.66 10.7 c. Riser ft 1.52 3.42 3.17 3.00 2.96 2.58 3 N v Screened Int. Start ft 18.3 18.8 20.17 19.00 24.83 22.25 25.17 3 Screened Int. End ft 21.12 21.63 23 22.00 27.21 24.62 27.5 Depth to Water ft - - - - - - - Ft Below MP ft Vol Purged cont. cont. cont. cont. cont. cont. cont. .N Purge Units - - - - - - - T Field pH units 6.2 6.7 2.4 5.6 7.0 5.8 6.1 Q a Specific Cond. uMhos 2701 1073 8550 2736 968 2859 928 v 'LL Temp C 19.4 25 23.1 27 26 26.5 22.8 Odor none none none none none none none Appearance clear clear clear clear clear light rust clear Acidified n/a n/a n/a n/a n/a n/a n/a TDS mg/L 1400 1200 14000 2700 370 2500 600 Lab pH units 6.1 6.8 2.4 5.6 7.1 5.9 6.0 TOC mg/L 6.17 4.06 8.57 9.55 3.79 8.2 4.85 .N Chloride mg/L 55 43 194 35 99 44 19 m Sulfate mg/L 657 503 2036 1080 12.8 1053 228 c Q Total mg/L 132 57 715 773 14 490 59 c� J Manganese ug/L n/a n/a n/a n/a n/a n/a n/a Fluoride mg/L 0.12 0.71 3.75 2.23 0.60 0.19 0.38 Lab Start Date 10/25/2022 10/17/2022 10/17/2022 10/17/2022 10/17/2022 10/17/2022 10/25/2022 Lab End Date 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 *Redrilled Q4 2021, pipe elevations and riser lengths updated 5/17/22 WLCT CIW-7 MWTF1-A MWTF1-B MWTF1-CR No Sample? Sample Date 10/24/2022 10/24/2022 10/24/2022 10/24/2022 10/24/2022 Well Depth ft Header 48.00 6.40 13.50 42.00 c Well Diameter in n/a 4.00 2.00 2.00 2.00 �a Pipe Elevation ft *15.13 - 14.35 14.36 14.44 U a Riser in - - 3.86 3.86 3.95 Screened Int. Start ft n/a 31 3.4 10.6 38.7 3 Screened Int. End ft n/a 45.25 5.4 12.6 40.7 Depth to Water ft - - 3.9 4.01 10.6 Ft Below MP ft - - 10.45 10.35 3.84 Vol Purged - 2000 cont. - 2500 2000 Purge Units - mis - - mis mis N c Field pH units 7.0 6.8 6.7 5.8 7.0 Specific Cond. uMhos 776 794 2469 1375 946 a� LL Temp C 20 20 20 20 20 Odor - none none none none none Appearance - clear clear clear clear clear Acidified - n/a n/a n/a n/a n/a TDS mg/L 320 460 1200 770 544 Lab pH units 7 6.82 6.68 5.8 7.03 TOC mg/L 5.17 4.96 14.26 8.63 5.04 Chloride mg/L 40 42 19 38 37 Sulfate mg/L 24.6 21.9 289 346 51.6 c a Total P mg/L 0.044 1.580 2.500 18.10 6.300 co J Manganese ug/L 57 18 n/a n/a 58 Fluoride mg/L 0.55 0.70 0.5 0.24 0.17 Lab Start Date 10/25/2022 10/25/2022 10/25/2022 10/25/2022 10/25/2022 Lab End Date 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 *15.13'@ 100% full CWW-1 RCWW-2* CWW-3 CWW-4 RCWW-5* RCWW-6* RCWW-7* No Sample? Sample Date 10/12/2022 10/25/2022 10/12/2022 10/12/2022 10/12/2022 10/12/2022 10/13/2022 Well Depth ft 55.00 53.00 53.00 53.00 53.00 53.00 53.00 c c Mm Well Diameter in 4.00 4.00 4.00 4.00 4.00 4.00 4.00 .2 Pipe Elevation ft 10.6 13.33 9.95 10.73 13.3 13.69 13.99 c. Riser ft 2.25 3.00 3.08 2.75 3.00 3.40 3.58 N v Screened Int. Start ft 33.27 30.00 36.42 41.67 42.00 36.00 36.00 3 Screened Int. End ft 52.68 50.00 50.67 50.92 51.00 51.00 51.00 Depth to Water ft - - - - - - - Ft Below MP ft Vol Purged cont. cont. cont. cont. cont. Cont. cont. .N Purge Units - - - - - - - T c Field pH units 6.4 5.2 6.4 6.6 6.6 6.8 6.2 Specific Cond. uMhos 4123 4416 7434 4432 2643 3179 1894 v LL Temp C 20 20 20 20 20 20.0 20 Odor none none none none none none none Appearance clear clear clear clear clear clear clear Acidified n/a n/a n/a n/a n/a n/a n/a TDS mg/L 2900 5100 3700 2600 1700 1900 1200 Lab pH units 6.4 5.2 6.4 6.6 6.6 6.8 6.2 TOC mg/L 7.12 9.4 4.92 5.88 5.04 5.32 5.00 .N Chloride mg/L 329 95 1530 490 107 43 43 m Sulfate mg/L 446 756 763 797 739 1590 503 c ¢ Total P mg/L 19.4 1297.5 34.25 25.25 13.53 25.50 78.5 c� J Manganese ug/L n/a n/a n/a n/a n/a n/a n/a Fluoride mg/L 0.22 0.50 0.17 0.12 0.05 0.04 0.06 Lab Start Date 10/17/2022 10/25/2022 10/17/2022 10/17/2022 10/17/2022 10/17/2022 10/17/2022 Lab End Date 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 *Redrilled Q4 2021, pipe elevations and riser lengths updated 5/17/22 SWW-1 SWW-2 SWW-3 RSWW-4* SWW-5 SWW-6 SWW-7 No Sample? Sample Date 10/25/2022 10/13/2022 10/12/2022 10/12/2022 10/13/2022 10/13/2022 10/25/2022 Well Depth ft 22.50 23.00 24.50 23.00 28.21 26.00 29.50 c c Mm Well Diameter in 4.00 4.00 4.00 4.00 4.00 4.00 4.00 .2 Pipe Elevation ft 10.7 9.99 9.97 13.07 10.8 10.66 10.7 c. Riser ft 1.52 3.42 3.17 3.00 2.96 2.58 3 N v Screened Int. Start ft 18.3 18.8 20.17 19.00 24.83 22.25 25.17 3 Screened Int. End ft 21.12 21.63 23 22.00 27.21 24.62 27.5 Depth to Water ft - - - - - - - Ft Below MP ft Vol Purged cont. cont. cont. cont. cont. cont. cont. .N Purge Units - - - - - - - T Field pH units 6.2 6.7 2.4 5.6 7.0 5.8 6.1 Q a Specific Cond. uMhos 2701 1073 8550 2736 968 2859 928 v 'LL Temp C 19.4 25 23.1 27 26 26.5 22.8 Odor none none none none none none none Appearance clear clear clear clear clear light rust clear Acidified n/a n/a n/a n/a n/a n/a n/a TDS mg/L 1400 1200 14000 2700 370 2500 600 Lab pH units 6.1 6.8 2.4 5.6 7.1 5.9 6.0 TOC mg/L 6.17 4.06 8.57 9.55 3.79 8.2 4.85 .N Chloride mg/L 55 43 194 35 99 44 19 m Sulfate mg/L 657 503 2036 1080 12.8 1053 228 c Q Total mg/L 132 57 715 773 14 490 59 c� J Manganese ug/L n/a n/a n/a n/a n/a n/a n/a Fluoride mg/L 0.12 0.71 3.75 2.23 0.60 0.19 0.38 Lab Start Date 10/25/2022 10/17/2022 10/17/2022 10/17/2022 10/17/2022 10/17/2022 10/25/2022 Lab End Date 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 *Redrilled Q4 2021, pipe elevations and riser lengths updated 5/17/22 WLCT CIW-7 MWTF1-A MWTF1-B MWTF1-CR No Sample? Sample Date 10/24/2022 10/24/2022 10/24/2022 10/24/2022 10/24/2022 Well Depth ft Header 48.00 6.40 13.50 42.00 c Well Diameter in n/a 4.00 2.00 2.00 2.00 �a Pipe Elevation ft *15.13 - 14.35 14.36 14.44 U a Riser in - - 3.86 3.86 3.95 Screened Int. Start ft n/a 31 3.4 10.6 38.7 3 Screened Int. End ft n/a 45.25 5.4 12.6 40.7 Depth to Water ft - - 3.9 4.01 10.6 Ft Below MP ft - - 10.45 10.35 3.84 Vol Purged - 2000 cont. - 2500 2000 Purge Units - mis - - mis mis N c Field pH units 7.0 6.8 6.7 5.8 7.0 Specific Cond. uMhos 776 794 2469 1375 946 a� LL Temp C 20 20 20 20 20 Odor - none none none none none Appearance - clear clear clear clear clear Acidified - n/a n/a n/a n/a n/a TDS mg/L 320 460 1200 770 544 Lab pH units 7 6.82 6.68 5.8 7.03 TOC mg/L 5.17 4.96 14.26 8.63 5.04 Chloride mg/L 40 42 19 38 37 Sulfate mg/L 24.6 21.9 289 346 51.6 c a Total P mg/L 0.044 1.580 2.500 18.10 6.300 co J Manganese ug/L 57 18 n/a n/a 58 Fluoride mg/L 0.55 0.70 0.5 0.24 0.17 Lab Start Date 10/25/2022 10/25/2022 10/25/2022 10/25/2022 10/25/2022 Lab End Date 11/8/2022 11/8/2022 11/8/2022 11/8/2022 11/8/2022 *15.13'@ 100% full 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ft, MSL 5 5.1013 5.2026 5.3039 5.4052 5.5065 5.6078 5.7091 5.8104 5.9117 6.013 6.1143 6.2156 6.3169 6.4182 6.5195 6.6208 6.7221 6.8234 6.9247 7.026 7.1273 7.2286 7.3299 7.4312 7.5325 7.6338 7.7351 7.8364 7.9377 8.039 8.1403 8.2416 8.3429 8.4442 8.5455 8.6468 8.7481 8.8494 8.9507 9.052 9.1533 9.2546 9.3559 9.4572 9.5585 9.6598 9.7611 9.8624 9.9637 10.065 10.1663 10.2676 10.3689 10.4702 10.5715 10.6728 10.7741 10.8754 10.9767 11.078 11.1793 11.2806 11.3819 11.4832 11.5845 11.6858 11.7871 11.8884 11.9897 12.091 12.1923 12.2936 12.3949 12.4962 12.5975 12.6988 12.8001 12.9014 13.0027 13.104 13.2053 13.3066 13.4079 13.5092 13.6105 13.7118 13.8131 13.9144 14.0157 14.117 14.2183 14.3196 14.4209 14.5222 14.6235 14.7248 14.8261 14.9274 15.0287 15.13 0.1013 Tank Farm Remediation System Quarterly Monitoring Date: 10/5/2022 Time: 10:00 AM Tech: Bryan Mills System Gauge Pressures SWW-1 N/A SWW-7 N/A CWW-1 N/A CWW-7 N/A File: 12-07-02 Reference Rel Point MSL Tvei o MSL Ditch 12.91 5.2 Barge Slip 10.59 3.6 Water Level Control Tank 62% 11.28 %= MSL Sand Layer Peizometers Level Indicators Well ID TOC Elevation MSL' TOC Stc Wtr Level' Level Relative To MSL Ft. Well ID TOC Elevation MSL' TOC Stc Wtr Level' Level Relative To MSL Ft. S z-1 10.47 2.41 8.06 C z-1 10.51 11.52 -1.01 S z-2 11.21 5.90 5.31 C z-2 10.25 11.92 -1.67 S z-3 11.87 11.28 0.59 C z-3 11.43 12.92 -1.49 S z-4 11.45 5.80 5.65 CPW 10.67 12.15 -1.48 S z-5 11.45 9.80 1.65 MWTF-1A ` 14.35 4.10 10.25 S z-6 11.23 9.10 2.13 MWTF-1B ` 14.36 4.65 9.71 S z-7 11.59 11.02 0.57 MWTF-1C ` 14.44 12.40 2.04 S z-8 11.57 6.90 4.67 MWTF-2A 14.05 7.90 6.15 S z-9 11.66 10.35 1.31 MWTF-2B 14.02 12.92 1.10 S z-10 12.16 5.55 6.61 MWTF-2C 9.82 10.75 -0.93 SPW 11.00 14.50 -3.50 MWTF-3A 12.21 3.30 8.91 MWTF-3B 12.18 11.39 0.79 MWTF-3C 1 12.19 1 16.60 -4.41