Wambo Coal AEMR 2011-2012 - Peabody Energy

Annual Environmental Management Report 2011 - 2012
Month
SW27 - North Wambo Creek Middle Lower
SW32 - North Wambo Creek Pump
SW05 - North Wambo Creek Down
pH EC (uS/cm) TSS (mg/L) TDS (mg/L) pH EC (uS/cm) TSS (mg/L) TDS (mg/L) pH EC (uS/cm) TSS (mg/L) TDS (mg/L)
Criteria 6.0-9.5 2,140 120 N/A 6.0-9.5 2,140 120 N/A 6.0-9.5 2,140 120 N/A
Jul-11 7.60 2,290 5 1,310
Aug-11 7.00 438 60 570 7.50 2,160 5 1,190
Sep-11 8.00 296 508 596 7.70 1,702 60 1,030
Oct-11 7.20 275 111 826 7.00 381 38 356
Nov-11 7.40 2,050 28 1,180
Dec-11 8.10 244 42 297 7.80 350 71 406
Jan-12 7.60 2,230 16 340
Feb-12 7.80 202 316 626 7.30 1,297 48 748
Mar-12 7.90 1,122 548 700 7.60 221 85 172
Apr-12 7.80 2,470 6 1,320
May-12 7.80 2,310 5 1,290
Jun-12 7.30 2,060 5 1,250
Average 7.67 430 264 603 7.53 1,627 31 883
Month
SW06 - South Wambo Creek SW07 - South Wambo/Stony Creeks SW08 - Stony Creek
pH EC (uS/cm) TSS (mg/L) TDS (mg/L) pH EC (uS/cm) TSS (mg/L) TDS (mg/L) pH EC (uS/cm) TSS (mg/L) TDS (mg/L)
Criteria 6.0-9.5 581 120 N/A 6.0-9.5 581 120 N/A 6.0-9.5 581 120 N/A
Jul-11 7.00 431 8 250 7.00 294 5 149
Aug-11 7.00 496 5 262 6.80 328 5 185
Sep-11 7.60 450 27 214
Oct-11 7.70 334 5 228 7.60 558 5 280 6.60 358 5 164
Nov-11 7.30 434 10 258 7.40 788 5 400
Dec-11 8.10 810 306 5 151 8.20 820 326 5 145
Jan-12 7.30 475 5 312 7.70 596 5 376
Feb-12 7.70 521 5 158 7.70 521 19 292
Mar-12 7.20 258 5 134 7.60 243 29 178
Apr-12 7.40 475 5 234 7.60 596 5 290 7.10 402 5 176
May-12 7.50 584 6 217 7.50 640 5 312
Jun-12 7.30 503 33 284 7.40 658 5 388
Average 7.43 439 10 225 7.63 547 9 296 6.88 346 5 169
Appendix 2C: Surface Water Monitoring Results
Blank cells indicate that no sample was collected as the site was dry, inaccessible or not due for collection
Bolded/shaded cells indicated results are outside recommended criteria