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Home My WebLink AboutWI0700012_Monitoring (Report)_20240528 lutrienT CERTIFIED MAIL May 24,2024 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 February 2024-April 2024 Injection Well Permit#WI0700012 PCS Phosphate Company,Inc.' Tank Farm Remedial Action System Dear Mr. Butcher, 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, c) semi-annual lab analysis results of withdrawal wells. Please note that the third-party analytical results for sulfates did not meet that laboratory spike limit requirements. It has been noted in the lab analysis summary page with the direct comment from the third- party lab. Please do not hesitate to contact me at(252) 617-5374 if you have any questions regarding this information. Sincerely,� &tj� 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.Mill 1530 NC Hwy 306 South,Aurora,NC USA 27806 nutrien.com 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. PCS PHOSPHATE-TANK FARM REMEDIAL ACTION PLAN QUARTERLY OPERATIONAL AND MAINTENANCE REPORT FOR THE INJECTION AND WITHDRAWAL WATER WELLS February 2024-April 2024 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: TANK DPW WATER TOTAL AVERAGE LEVEL GALLONS GALLONS GPM FEET, MSL February 223, 665 223, 665 5 . 0 6 . 4 March 249, 573 249, 573 5 . 6 6 . 3 April 265, 777 265, 777 6 . 0 5 . 5 TOTALS 739,015 739,015 Withdrawal Well System 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 February 22, 891 86, 548 109, 439 2 . 1 March 670, 366 438, 931 1, 109, 297 9 . 8 April 1, 221, 412 319, 243 1, 540, 655 7 . 4 TOTALS 1, 914, 668 844, 723 2 Operation Notes: 3/12/24: Pump replaced 4/9/24: Pump replaced 3 Tank Farm Remediation System Quarterly Monitoring Date: _ 2 5-207 4 Time: Tech: ?`t 1 Reference LevelRel -- File:12-07-02 PoirRMSL toMSL System Gauge Pressures Ditch 12.91 SWW-1 N/A Barge Slip 10.59 SWW-7 N/A Water Level / C CWW-1 N/A Control Tank CWW-7 N/A %= MSL Sand Layer Peizometers Level Indicators TOC TOC Level TOC TOC Level Elevation Sic Wtr Relative To Elevation Stc Wtr Relative To Well ID MSL' Level' MSLFt. Well ID MSL' Level' MSL Ft. Spz-1 10.47 13.94 p#g _ ,41 svz-z 11.21 9.70 ;17 Cpz-2 10.25 . b� - , 31 Spz-3 11.87 -1 t C z-3 11.43* ' 1 Soz-4 11.45 q, 31 7. LI CPW 10.67*' 10.2 �10 V. 7 S z-5 11.45 7. 9D 3, S MWTF-1A* 14.35 3,95 10. 150 Soz-6 11.23 12J& -. -577 MWTF-1B* 14.36 476 7 jQ 0 �g Spz-7 11.59 - .b1/ MWTF-1C* 14.44 lo.757 !).bq S z-8 11.57 02 LI.5-9 MWTF-2A 14.05 .05 17,00 5 z-9 11.66*• 2- `.74 MWTF-2B 14.02 S z-10 12.16 )�dZ MWTF-2C 14.08 il?1 SW kIV 11 SPW 11.00*• �.20 MWTF-3A 12.21 2.10 q,u l •*Rizer length added to TOC elevation 7/2019 MWTF-3B 12.18 } .10 3,78 MWTF-3C 12.19 i -44,33 SWW-1 SWW-2 SWW-3 SWW-4 SWW-5 SWW-6 SWW-7 No Sample? Sample Date 4/24/2024 4/24/2024 4/24/2024 4/24/2024 4/24/2024 4/25/2024 4/24/2024 Well Depth ft 22.50 23.00 24.50 25.00 28.21 26.00 29.50 c Well Diameter in 4.00 4.00 4.00 4.00 4.00 4.00 4.00 0 M w Pipe Elevation ft 10.7 9.99 9.97 10.73 10.8 10.66 10.7 V d (CL Riser in 1.52 3.42 3.17 3.42 2.96 2.58 3 a 3 Screened Int.Start ft 18.3 18.8 20.17 20.5 24.83 22.25 25.17 Screened Int.End ft 21.12 21.63 23 23.3 27.21 24.62 27.5 Depth to Water ft - - - - - - - Ft Below MP ft 10.7 9.99 9.97 10.73 10.8 10.66 10.7 Vol Purged cont. cont. cont. cont. cont. cont. cont. Purge Units Field pH units 6.31 6.52 2.59 5.66 6.57 3.39 6.14 c Q v v Specific Cond. uMhos 1988 1393 5900 2102 1444 11302 2397 LL Temp C 20.4 21.5 22 26.3 26.6 26.7 29 Odor none none none none none none none Appearance clear clear clear light rust clear light yellow clear Acidified n/a n/a n/a n/a n/a n/a n/a TDS mg/L 1500 940 8500 1700 850 25000 1800 Lab pH units 6.44 6.61 2.67 5.89 6.67 3.26 6.31 TOC mg/L 5.22 5.79 11.93 9.51 5.39 21.90 11.68 Chloride mg/L 80 125 70 38 100 135 46 .N a *Sulfate mg/L 606 196 905 633 276 1100 703 M c Q Total P mg/L 133 130.8 397.5 148.2 73.0 392.0 186.5 m J Manganese ug/L n/a n/a n/a n/a n/a n/a n/a Fluoride mg/L 0.18 0.58 4.02 0.95 0.81 0.14 0.2 Lab Start Date 4/24/2024 4/24/2024 4/24/2024 4/24/2024 4/24/2024 4/25/2024 4/24/2024 Lab End Date 5/8/2024 5/8/2024 5/8/2024 5/8/2024 5/8/2024 5/8/2024 5/8/2024 Waypoint Analytical*All QC requirements not met:s Spike data not within established limits WLCT CIW-7 MWTF1-A MWTF1-B MWTF1-CR No Sample? Sample Date 4/24/2024 4/24/2024 4/24/2024 4/24/2024 4/24/2024 Well Depth ft Header 48.00 6.40 13.50 42.00 o Well Diameter in n/a 4.00 2.00 2.00 2.00 +1 M Pipe Elevation ft *15.13 - 14.35 14.36 14.44 'v CL Riser in - - 3.86 3.86 3.95 Screened Int.Start ft n/a 31 3.4 10.6 38.7 Screened Int. End ft n/a 45.25 5.4 12.6 40.7 Depth to Water ft 10.5 - 3.2 3.82 11.15 Ft Below MP ft - - - - - Vol Purged - cont. cont. cont. cont. cont. Purge Units - - - - - - 'N Field pH units 7.06 7.04 7.28 5.92 7.34 a -0 Specific Cond. uMhos 750 784 1398 1274 867 ! LL Temp C 18 19.7 22.9 23 23.8 Odor - none none none none none Appearance - clear clear light rust color light rust color clear Acidified - n/a n/a n/a n/a n/a TDS mg/L 460 470 560 580 510 Lab pH units 7.13 7.03 7.37 5.98 7.03 TOC mg/L 4.47 4.46 8.19 6.20 3.80 Chloride mg/L 38 46 10 39 39 *Sulfate mg/L 22.4 *21.6 63.5 206 32.1 c Total P mg/L 0.08 0.35 9.100 43.200 4.240 �a J Manganese ug/L n/a n/a n/a n/a n/a Fluoride mg/L 0.54 0.58 0.54 0.21 0.16 Lab Start Date 4/24/2024 4/24/2024 4/24/2024 4/24/2024 4/24/2024 Lab End Date 5/8/2024 5/8/2024 5/8/2024 5/8/2024 5/8/2024 requirements not met:s Spike data not within established limits CWW-1 CWW-2 CWW-3 CWW-4 CWW-5 CWW-6 CWW-7 No Sample? Sample Date Well Depth ft 55.00 52.15 53.00 53.00 53.17 53.00 53.00 c Well Diameter in 4.00 4.00 4.00 4.00 4.00 4.00 4.00 0 M w Pipe Elevation ft 10.6 10.23 9.95 10.73 10.74 9.92 9.95 V d (CL Riser in 2.25 3 3.08 2.75 2.58 2.92 1.25 a 3 Screened Int.Star: ft 33.27 30.57 36.42 41.67 41.75 36.62 36.58 Screened Int.End ft 52.68 49.82 50.67 50.92 51.08 50.88 50.83 Depth to Water ft - - - - - - - Ft Below MP ft 10.6 10.23 9.95 10.73 10.74 9.92 9.95 Vol Purged cont. cont. cont. cont. cont. cont. cont. Purge Units ,-'a Field pH units 6.6 5.54 6.68 6.55 6.7 6.69 6.41 c a a a Specific Cond. uMho 4308 2462 5754 4580 2763 2371 1926 LL Temp C 21 20 22 26.3 28.4 27.4 27.6 Odor none none none none none none none Appearance clear light rust light rust light black clear light rust clear Acidified n/a n/a n/a n/a n/a n/a n/a TDS mg/L 3000 2000 3500 2800 1800 1600 1300 Lab pH units 6.65 5.64 6.65 6.87 6.8 6.86 6.56 TOC mg/L 11.23 10.71 7.34 8.45 7.52 8.59 6.60 Chloride mg/L 390 80 1910 700 210 54 55 .N a *Sulfate mg/L 1132 728 927 680 531 515 27.2 M c a Total P mg/L 21.9 15.56 53.40 39.6 12.7 28.2 11.3 m J Manganese ug/L n/a n/a n/a n/a n/a n/a n/a Fluoride mg/L 0.21 0.68 0.16 0.12 0.11 0.13 0.12 Lab Start Date 4/24/2024 4/25/2024 4/24/2024 4/24/2024 4/24/2024 4/24/2024 4/25/2024 Lab End Date 5/8/2024 5/8/2024 5/8/2024 5/8/2024 5/8/2024 5/8/2024 5/8/2024 Waypoint Analytical*All QC requirements not met:s Spike data not within established limits