Peabody Midwest Mining Air Quality 1 Mine

NPDES permit ING040035 · Minor NON-POTW · effective, expires 2029-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 20 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 IN permits in EPA's filings — check your permit).

Limits in force (44)

OutfallParameterStatisticLimitMonths
007pHDAILY MN >= 6 SU all year
007pHDAILY MN >= 6 SU all year
007pHDAILY MN >= 6 SU Mar, Jun, Sep, Dec
007pHDAILY MN >= 6 SU Mar, Jun, Sep, Dec
007pHDAILY MX <= 9 SU all year
007pHDAILY MX <= 9 SU all year
007pHDAILY MX <= 9 SU Mar, Jun, Sep, Dec
007pHDAILY MX <= 9 SU Mar, Jun, Sep, Dec
007Solids, settleableDAILY AV report only all year
007Solids, settleableDAILY AV report only all year
007Solids, settleableDAILY MX <= .5 mL/L all year
007Solids, settleableDAILY MX <= .5 mL/L all year
007Solids, settleableDAILY MX <= .5 mL/L Mar, Jun, Sep, Dec
007Solids, settleableDAILY MX <= .5 mL/L Mar, Jun, Sep, Dec
007Flow, in conduit or thru treatment plantDAILY AV report only all year
007Flow, in conduit or thru treatment plantDAILY AV report only all year
007Flow, in conduit or thru treatment plantMO AVG report only Mar, Jun, Sep, Dec
007Flow, in conduit or thru treatment plantMO AVG report only Mar, Jun, Sep, Dec
007Flow, in conduit or thru treatment plantDAILY MX report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Sep, Dec
007Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Sep, Dec
012pHDAILY MN >= 6 SU all year
012pHDAILY MN >= 6 SU all year
012pHDAILY MN >= 6 SU Mar, Jun, Sep, Dec
012pHDAILY MN >= 6 SU Mar, Jun, Sep, Dec
012pHDAILY MX <= 9 SU all year
012pHDAILY MX <= 9 SU all year
012pHDAILY MX <= 9 SU Mar, Jun, Sep, Dec
012pHDAILY MX <= 9 SU Mar, Jun, Sep, Dec
012Solids, settleableDAILY AV report only all year
012Solids, settleableDAILY AV report only all year
012Solids, settleableDAILY MX <= .5 mL/L all year
012Solids, settleableDAILY MX <= .5 mL/L all year
012Solids, settleableDAILY MX <= .5 mL/L Mar, Jun, Sep, Dec
012Solids, settleableDAILY MX <= .5 mL/L Mar, Jun, Sep, Dec
012Flow, in conduit or thru treatment plantDAILY AV report only all year
012Flow, in conduit or thru treatment plantDAILY AV report only all year
012Flow, in conduit or thru treatment plantMO AVG report only Mar, Jun, Sep, Dec
012Flow, in conduit or thru treatment plantMO AVG report only Mar, Jun, Sep, Dec
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Sep, Dec
012Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Sep, Dec

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