Peabody Caballo Mining, LLC

NPDES permit WY0024031 · Minor NON-POTW · effective, expires 2028-12-31 · EPA's file as of 2026-09-19

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Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
0of 100 forms filed late

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among WY permits in EPA's filings — check your permit).

Limits in force (284)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CINST MAX <= 90 mg/L all year
001BOD, 5-day, 20 deg. CINST MAX <= 90 mg/L all year
001pHINST MIN >= 6.5 SU all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedDAILY MX <= 150 mg/L all year
001Solids, total suspendedDAILY MX <= 150 mg/L all year
001Solids, total suspendedMO AVG <= 100 mg/L all year
001Solids, total suspendedMO AVG <= 100 mg/L all year
001Solids, total suspendedINST MAX <= 300 mg/L all year
001Solids, total suspendedINST MAX <= 300 mg/L all year
001Solids, settleableDAILY MX <= .5 mg/L all year
001Solids, settleableDAILY MX <= .5 mg/L all year
001Iron, total [as Fe]INST MAX <= 9 mg/L all year
001Iron, total [as Fe]INST MAX <= 9 mg/L all year
001Iron, total [as Fe]MO AVG <= 3 mg/L all year
001Iron, total [as Fe]MO AVG <= 3 mg/L all year
001Iron, total [as Fe]DAILY MX <= 6 mg/L all year
001Iron, total [as Fe]DAILY MX <= 6 mg/L all year
001Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
001Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
001Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
001Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
001DurationDAILY MX report only all year
001DurationDAILY MX report only all year
001Chlorine, total residualINST MAX <= .011 mg/L all year
001Chlorine, total residualINST MAX <= .011 mg/L all year
001E. coliMO AVG <= 630 #/100mL Apr, May, Jun, Jul, Aug, Sep
001E. coliMO AVG <= 630 #/100mL Apr, May, Jun, Jul, Aug, Sep
001E. coliMO AVG <= 126 #/100mL Jan, Feb, Mar, Oct, Nov, Dec
001E. coliMO AVG <= 126 #/100mL Jan, Feb, Mar, Oct, Nov, Dec
001E. coliINST MAX <= 630 #/100mL Apr, May, Jun, Jul, Aug, Sep
001E. coliINST MAX <= 630 #/100mL Apr, May, Jun, Jul, Aug, Sep
001E. coliINST MAX <= 576 #/100mL Jan, Feb, Mar, Oct, Nov, Dec
001E. coliINST MAX <= 576 #/100mL Jan, Feb, Mar, Oct, Nov, Dec
001FlowMO AVG report only all year
001FlowMO AVG report only all year
001FlowINST MAX report only all year
001FlowINST MAX report only all year
002pHINST MIN >= 6.5 SU all year
002pHINST MIN >= 6.5 SU all year
002pHINST MAX <= 9 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedINST MAX <= 70 mg/L all year
002Solids, total suspendedINST MAX <= 70 mg/L all year
002Solids, settleableINST MAX <= .5 mL/L all year
002Solids, settleableINST MAX <= .5 mL/L all year
002Iron, total [as Fe]MO AVG <= 3 mg/L all year
002Iron, total [as Fe]MO AVG <= 3 mg/L all year
002Iron, total [as Fe]DAILY MX <= 6 mg/L all year
002Iron, total [as Fe]DAILY MX <= 6 mg/L all year
002Iron, total [as Fe]INST MAX <= 9 mg/L all year
002Iron, total [as Fe]INST MAX <= 9 mg/L all year
002Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
002Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
002Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
002Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
002DurationMO TOTAL report only all year
002DurationMO TOTAL report only all year
002FlowMO AVG report only all year
002FlowMO AVG report only all year
002FlowINST MAX report only all year
002FlowINST MAX report only all year
013pHINST MIN >= 6.5 SU all year
013pHINST MIN >= 6.5 SU all year
013pHINST MAX <= 9 SU all year
013pHINST MAX <= 9 SU all year
013Solids, total suspendedMO AVG <= 35 mg/L all year
013Solids, total suspendedMO AVG <= 35 mg/L all year
013Solids, total suspendedINST MAX <= 70 mg/L all year
013Solids, total suspendedINST MAX <= 70 mg/L all year
013Solids, settleableINST MAX <= .5 mL/L all year
013Solids, settleableINST MAX <= .5 mL/L all year
013Iron, total [as Fe]MO AVG <= 3 mg/L all year
013Iron, total [as Fe]MO AVG <= 3 mg/L all year
013Iron, total [as Fe]DAILY MX <= 6 mg/L all year
013Iron, total [as Fe]DAILY MX <= 6 mg/L all year
013Iron, total [as Fe]INST MAX <= 9 mg/L all year
013Iron, total [as Fe]INST MAX <= 9 mg/L all year
013Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
013Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
013Manganese, total [as Mn]MO AVG <= 2 mg/L all year
013Manganese, total [as Mn]MO AVG <= 2 mg/L all year
013Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
013Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
013Manganese, total [as Mn]INST MAX <= 6 mg/L all year
013Manganese, total [as Mn]INST MAX <= 6 mg/L all year
013Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
013Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
013DurationMO TOTAL report only all year
013DurationMO TOTAL report only all year
013FlowMO AVG report only all year
013FlowMO AVG report only all year
013FlowINST MAX report only all year
013FlowINST MAX report only all year
015pHINST MIN >= 6.5 SU all year
015pHINST MIN >= 6.5 SU all year
015pHINST MAX <= 9 SU all year
015pHINST MAX <= 9 SU all year
015Solids, total suspendedMO AVG <= 35 mg/L all year
015Solids, total suspendedMO AVG <= 35 mg/L all year
015Solids, total suspendedINST MAX <= 70 mg/L all year
015Solids, total suspendedINST MAX <= 70 mg/L all year
015Solids, settleableINST MAX <= .5 mL/L all year
015Solids, settleableINST MAX <= .5 mL/L all year
015Iron, total [as Fe]MO AVG <= 3 mg/L all year
015Iron, total [as Fe]MO AVG <= 3 mg/L all year
015Iron, total [as Fe]DAILY MX <= 6 mg/L all year
015Iron, total [as Fe]DAILY MX <= 6 mg/L all year
015Iron, total [as Fe]INST MAX <= 9 mg/L all year
015Iron, total [as Fe]INST MAX <= 9 mg/L all year
015Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
015Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
015Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
015Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
015DurationMO TOTAL report only all year
015DurationMO TOTAL report only all year
015FlowMO AVG report only all year
015FlowMO AVG report only all year
015FlowINST MAX report only all year
015FlowINST MAX report only all year
016pHINST MIN >= 6.5 SU all year
016pHINST MIN >= 6.5 SU all year
016pHINST MAX <= 9 SU all year
016pHINST MAX <= 9 SU all year
016Solids, total suspendedMO AVG <= 35 mg/L all year
016Solids, total suspendedMO AVG <= 35 mg/L all year
016Solids, total suspendedINST MAX <= 70 mg/L all year
016Solids, total suspendedINST MAX <= 70 mg/L all year
016Solids, settleableINST MAX <= .5 mL/L all year
016Solids, settleableINST MAX <= .5 mL/L all year
016Iron, total [as Fe]MO AVG <= 3 mg/L all year
016Iron, total [as Fe]MO AVG <= 3 mg/L all year
016Iron, total [as Fe]DAILY MX <= 6 mg/L all year
016Iron, total [as Fe]DAILY MX <= 6 mg/L all year
016Iron, total [as Fe]INST MAX <= 9 mg/L all year
016Iron, total [as Fe]INST MAX <= 9 mg/L all year
016Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
016Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
016Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
016Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
016DurationMO TOTAL report only all year
016DurationMO TOTAL report only all year
016FlowMO AVG report only all year
016FlowMO AVG report only all year
016FlowINST MAX report only all year
016FlowINST MAX report only all year
017pHINST MIN >= 6.5 SU all year
017pHINST MIN >= 6.5 SU all year
017pHINST MAX <= 9 SU all year
017pHINST MAX <= 9 SU all year
017Solids, total suspendedMO AVG <= 35 mg/L all year
017Solids, total suspendedMO AVG <= 35 mg/L all year
017Solids, total suspendedINST MAX <= 70 mg/L all year
017Solids, total suspendedINST MAX <= 70 mg/L all year
017Solids, settleableINST MAX <= .5 mL/L all year
017Solids, settleableINST MAX <= .5 mL/L all year
017Iron, total [as Fe]MO AVG <= 3 mg/L all year
017Iron, total [as Fe]MO AVG <= 3 mg/L all year
017Iron, total [as Fe]DAILY MX <= 6 mg/L all year
017Iron, total [as Fe]DAILY MX <= 6 mg/L all year
017Iron, total [as Fe]INST MAX <= 9 mg/L all year
017Iron, total [as Fe]INST MAX <= 9 mg/L all year
017Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
017Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
017Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
017Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
017DurationMO TOTAL report only all year
017DurationMO TOTAL report only all year
017FlowMO AVG report only all year
017FlowMO AVG report only all year
017FlowINST MAX report only all year
017FlowINST MAX report only all year
018pHINST MIN >= 6.5 SU all year
018pHINST MIN >= 6.5 SU all year
018pHINST MAX <= 9 SU all year
018pHINST MAX <= 9 SU all year
018Solids, total suspendedMO AVG <= 35 mg/L all year
018Solids, total suspendedMO AVG <= 35 mg/L all year
018Solids, total suspendedINST MAX <= 70 mg/L all year
018Solids, total suspendedINST MAX <= 70 mg/L all year
018Solids, settleableINST MAX <= .5 mL/L all year
018Solids, settleableINST MAX <= .5 mL/L all year
018Iron, total [as Fe]MO AVG <= 3 mg/L all year
018Iron, total [as Fe]MO AVG <= 3 mg/L all year
018Iron, total [as Fe]DAILY MX <= 6 mg/L all year
018Iron, total [as Fe]DAILY MX <= 6 mg/L all year
018Iron, total [as Fe]INST MAX <= 9 mg/L all year
018Iron, total [as Fe]INST MAX <= 9 mg/L all year
018Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
018Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
018Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
018Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
018DurationMO TOTAL report only all year
018DurationMO TOTAL report only all year
018FlowMO AVG report only all year
018FlowMO AVG report only all year
018FlowINST MAX report only all year
018FlowINST MAX report only all year
019pHINST MIN >= 6.5 SU all year
019pHINST MIN >= 6.5 SU all year
019pHINST MAX <= 9 SU all year
019pHINST MAX <= 9 SU all year
019Solids, total suspendedMO AVG <= 35 mg/L all year
019Solids, total suspendedMO AVG <= 35 mg/L all year
019Solids, total suspendedINST MAX <= 70 mg/L all year
019Solids, total suspendedINST MAX <= 70 mg/L all year
019Solids, settleableINST MAX <= .5 mL/L all year
019Solids, settleableINST MAX <= .5 mL/L all year
019Iron, total [as Fe]MO AVG <= 3 mg/L all year
019Iron, total [as Fe]MO AVG <= 3 mg/L all year
019Iron, total [as Fe]DAILY MX <= 6 mg/L all year
019Iron, total [as Fe]DAILY MX <= 6 mg/L all year
019Iron, total [as Fe]INST MAX <= 9 mg/L all year
019Iron, total [as Fe]INST MAX <= 9 mg/L all year
019Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
019Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
019Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
019Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
019DurationMO TOTAL report only all year
019DurationMO TOTAL report only all year
019FlowMO AVG report only all year
019FlowMO AVG report only all year
019FlowINST MAX report only all year
019FlowINST MAX report only all year
020pHINST MIN >= 6.5 SU all year
020pHINST MIN >= 6.5 SU all year
020pHINST MAX <= 9 SU all year
020pHINST MAX <= 9 SU all year
020Solids, total suspendedMO AVG <= 35 mg/L all year
020Solids, total suspendedMO AVG <= 35 mg/L all year
020Solids, total suspendedINST MAX <= 70 mg/L all year
020Solids, total suspendedINST MAX <= 70 mg/L all year
020Solids, settleableINST MAX <= .5 mL/L all year
020Solids, settleableINST MAX <= .5 mL/L all year
020Iron, total [as Fe]MO AVG <= 3 mg/L all year
020Iron, total [as Fe]MO AVG <= 3 mg/L all year
020Iron, total [as Fe]DAILY MX <= 6 mg/L all year
020Iron, total [as Fe]DAILY MX <= 6 mg/L all year
020Iron, total [as Fe]INST MAX <= 9 mg/L all year
020Iron, total [as Fe]INST MAX <= 9 mg/L all year
020Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
020Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
020Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
020Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
020DurationMO TOTAL report only all year
020DurationMO TOTAL report only all year
020FlowMO AVG report only all year
020FlowMO AVG report only all year
020FlowINST MAX report only all year
020FlowINST MAX report only all year
021pHINST MIN >= 6.5 SU all year
021pHINST MIN >= 6.5 SU all year
021pHINST MAX <= 9 SU all year
021pHINST MAX <= 9 SU all year
021Solids, total suspendedMO AVG <= 35 mg/L all year
021Solids, total suspendedMO AVG <= 35 mg/L all year
021Solids, total suspendedINST MAX <= 70 mg/L all year
021Solids, total suspendedINST MAX <= 70 mg/L all year
021Solids, settleableINST MAX <= .5 mL/L all year
021Solids, settleableINST MAX <= .5 mL/L all year
021Iron, total [as Fe]MO AVG <= 3 mg/L all year
021Iron, total [as Fe]MO AVG <= 3 mg/L all year
021Iron, total [as Fe]DAILY MX <= 6 mg/L all year
021Iron, total [as Fe]DAILY MX <= 6 mg/L all year
021Iron, total [as Fe]INST MAX <= 9 mg/L all year
021Iron, total [as Fe]INST MAX <= 9 mg/L all year
021Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
021Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
021Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
021Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
021DurationMO TOTAL report only all year
021DurationMO TOTAL report only all year
021FlowMO AVG report only all year
021FlowMO AVG report only all year
021FlowINST MAX report only all year
021FlowINST MAX report only all year

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