Peabody Caballo Mining, LLC

NPDES permit WY0025755 · Minor NON-POTW · effective, expires 2028-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
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

0values over a limit
0required values missing, on 0 form(s)
0of 50 forms filed late

Last period with anything received: 2026-06-30.

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 (140)

OutfallParameterStatisticLimitMonths
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 suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedINST MAX <= 70 mg/L all year
001Solids, total suspendedINST MAX <= 70 mg/L all year
001Solids, settleableINST MAX <= .5 mL/L all year
001Solids, settleableINST MAX <= .5 mL/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, total [as Fe]INST MAX <= 9 mg/L all year
001Iron, total [as Fe]INST MAX <= 9 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
001Selenium, total [as Se]DAILY MX <= 20 ug/L all year
001Selenium, total [as Se]DAILY MX <= 20 ug/L all year
001DurationMO TOTAL report only all year
001DurationMO TOTAL report only all year
001FlowMO AVG report only all year
001FlowMO AVG report only all year
001FlowDAILY MX report only all year
001FlowDAILY MX report only all year
004pHINST MIN >= 6.5 SU all year
004pHINST MIN >= 6.5 SU all year
004pHINST MAX <= 9 SU all year
004pHINST MAX <= 9 SU all year
004Solids, total suspendedMO AVG <= 35 mg/L all year
004Solids, total suspendedMO AVG <= 35 mg/L all year
004Solids, total suspendedINST MAX <= 70 mg/L all year
004Solids, total suspendedINST MAX <= 70 mg/L all year
004Solids, settleableINST MAX <= .5 mL/L all year
004Solids, settleableINST MAX <= .5 mL/L all year
004Iron, total [as Fe]MO AVG <= 3 mg/L all year
004Iron, total [as Fe]MO AVG <= 3 mg/L all year
004Iron, total [as Fe]DAILY MX <= 6 mg/L all year
004Iron, total [as Fe]DAILY MX <= 6 mg/L all year
004Iron, total [as Fe]INST MAX <= 9 mg/L all year
004Iron, total [as Fe]INST MAX <= 9 mg/L all year
004Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
004Iron, dissolved [as Fe]INST MAX <= 1000 ug/L all year
004Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
004Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
004Selenium, total [as Se]DAILY MX <= 20 ug/L all year
004Selenium, total [as Se]DAILY MX <= 20 ug/L all year
004DurationMO TOTAL report only all year
004DurationMO TOTAL report only all year
004FlowMO AVG report only all year
004FlowMO AVG report only all year
004FlowDAILY MX report only all year
004FlowDAILY MX 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, dissolved [as Mn]INST MAX <= 1462 ug/L all year
013Manganese, dissolved [as Mn]INST MAX <= 1462 ug/L all year
013Selenium, total [as Se]DAILY MX <= 20 ug/L all year
013Selenium, total [as Se]DAILY MX <= 20 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
013FlowDAILY MX report only all year
013FlowDAILY MX 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
020Selenium, total [as Se]DAILY MX <= 20 ug/L all year
020Selenium, total [as Se]DAILY MX <= 20 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
020FlowDAILY MX report only all year
020FlowDAILY MX 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
021Selenium, total [as Se]DAILY MX <= 20 ug/L all year
021Selenium, total [as Se]DAILY MX <= 20 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
021FlowDAILY MX report only all year
021FlowDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states