ST. JOSEPH ENERGY CENTER LLC

NPDES permit IN0064122 · Major NON-POTW · effective, expires 2030-03-31 · 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 33 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (53)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMX WK AV <= 80.6 deg F Mar
001Temperature, water deg. fahrenheitMX WK AV <= 67.3 deg F Feb
001Temperature, water deg. fahrenheitMX WK AV <= 68.7 deg F Jan
001Temperature, water deg. fahrenheitMX WK AV <= 80.6 deg F Apr, May, Oct, Nov
001Temperature, water deg. fahrenheitMX WK AV <= 90 deg F Jun, Jul, Aug, Sep
001Temperature, water deg. fahrenheitMX WK AV <= 68.2 deg F Dec
001Temperature, water deg. fahrenheitDAILY MX <= 82.6 deg F Mar
001Temperature, water deg. fahrenheitDAILY MX <= 73.6 deg F Feb
001Temperature, water deg. fahrenheitDAILY MX <= 77.5 deg F Jan
001Temperature, water deg. fahrenheitDAILY MX <= 85.3 deg F Apr, May, Oct, Nov
001Temperature, water deg. fahrenheitDAILY MX <= 93 deg F Jun, Jul, Aug, Sep
001Temperature, water deg. fahrenheitDAILY MX <= 75.4 deg F Dec
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil and grease, hexane extr methodMO AVG report only all year
001Oil and grease, hexane extr methodDAILY MX report only all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]MO AVG report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Zinc, total recoverableMO AVG <= .26 mg/L all year
001Zinc, total recoverableDAILY MX <= .52 mg/L all year
001Chromium, total recoverableMO AVG <= .16 mg/L all year
001Chromium, total recoverableDAILY MX <= .16 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG < .06 mg/L all year
001Chlorine, total residualDAILY MX < .06 mg/L all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Mercury, total recoverableMO AVG <= 12 ng/L Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableDAILY MX <= 20 ng/L Feb, Apr, Jun, Aug, Oct, Dec
001Flow, totalMO TOTAL report only all year
101pHDAILY MN >= 6 SU all year
101pHDAILY MX <= 9 SU all year
101Solids, total suspendedMO AVG <= 12 mg/L all year
101Solids, total suspendedDAILY MX <= 41 mg/L all year
101Oil and grease, hexane extr methodMO AVG <= 6 mg/L all year
101Oil and grease, hexane extr methodDAILY MX <= 8 mg/L all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
102pHDAILY MN >= 6 SU all year
102pHDAILY MX <= 9 SU all year
102Solids, total suspendedMO AVG <= 30 mg/L all year
102Solids, total suspendedDAILY MX <= 100 mg/L all year
102Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
102Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
102Flow, in conduit or thru treatment plantMO AVG report only all year
102Flow, in conduit or thru treatment plantDAILY 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