Austin Powder Company

NPDES permit OH0006173 · Minor NON-POTW · effective, expires 2031-01-31 · 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 44 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (79)

OutfallParameterStatisticLimitMonths
007Flow rateMO AVG report only all year
007Flow rateDAILY MX report only all year
007pHDAILY MN >= 6.5 SU all year
007pHDAILY MX <= 9 SU all year
007Solids, total suspendedDAILY MX <= 50 mg/L all year
007Oil and grease [soxhlet extr.] tot.DAILY MX <= 10 mg/L all year
010Temperature, water deg. centigradeMO AVG report only all year
010Temperature, water deg. centigradeDAILY MX report only all year
010Flow rateMO AVG report only all year
010Flow rateDAILY MX report only all year
010Oxygen, dissolved [DO]DAILY MN >= 6 mg/L all year
010Oxygen demand, chem. [low level] [COD]MO AVG report only Mar, Jun, Sep, Dec
010Oxygen demand, chem. [low level] [COD]DAILY MX report only Mar, Jun, Sep, Dec
010pHDAILY MN >= 6.5 SU all year
010pHDAILY MX <= 9 SU all year
010Solids, total suspendedMO AVG <= 12 mg/L all year
010Solids, total suspendedDAILY MX <= 18 mg/L all year
010Solids, total suspendedMO AVG <= .23 kg/d all year
010Solids, total suspendedDAILY MX <= .34 kg/d all year
010Oil and grease [soxhlet extr.] tot.DAILY MX <= 10 mg/L all year
010Oil and grease [soxhlet extr.] tot.DAILY MX <= .19 kg/d all year
010Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L May, Jun, Jul, Aug, Sep, Oct
010Nitrogen, ammonia total [as N]MO AVG <= 3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
010Nitrogen, ammonia total [as N]DAILY MX <= 1.5 mg/L May, Jun, Jul, Aug, Sep, Oct
010Nitrogen, ammonia total [as N]DAILY MX <= 4.5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
010Nitrogen, ammonia total [as N]MO AVG <= .019 kg/d May, Jun, Jul, Aug, Sep, Oct
010Nitrogen, ammonia total [as N]MO AVG <= .057 kg/d Jan, Feb, Mar, Apr, Nov, Dec
010Nitrogen, ammonia total [as N]DAILY MX <= .028 kg/d May, Jun, Jul, Aug, Sep, Oct
010Nitrogen, ammonia total [as N]DAILY MX <= .085 kg/d Jan, Feb, Mar, Apr, Nov, Dec
010Nitrite + Nitrate total [as N]MO AVG report only Mar, Jun, Sep, Dec
010Nitrite + Nitrate total [as N]DAILY MX report only Mar, Jun, Sep, Dec
010E. coli, MTEC-MFWK GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
010E. coli, MTEC-MFDAILY MX <= 284 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
010Solids, total dissolved- 180 deg. CMO AVG report only all year
010Solids, total dissolved- 180 deg. CDAILY MX report only all year
010BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
010BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year
010BOD, carbonaceous [5 day, 20 C]MO AVG <= .19 kg/d all year
010BOD, carbonaceous [5 day, 20 C]DAILY MX <= .28 kg/d all year
011Temperature, water deg. centigradeMO AVG report only all year
011Temperature, water deg. centigradeDAILY MX report only all year
011Flow rateMO AVG report only all year
011Flow rateDAILY MX report only all year
011Oxygen, dissolved [DO]DAILY MN report only Mar, Jun, Sep, Dec
011Oxygen demand, chem. [low level] [COD]MO AVG report only Mar, Jun, Sep, Dec
011Oxygen demand, chem. [low level] [COD]DAILY MX report only Mar, Jun, Sep, Dec
011pHDAILY MN >= 6.5 SU all year
011pHDAILY MX <= 9 SU all year
011Solids, total suspendedMO AVG <= 12 mg/L all year
011Solids, total suspendedDAILY MX <= 18 mg/L all year
011Solids, total suspendedMO AVG <= 1.64 kg/d all year
011Solids, total suspendedDAILY MX <= 2.46 kg/d all year
011Oil and grease [soxhlet extr.] tot.MO AVG report only Mar, Jun, Sep, Dec
011Oil and grease [soxhlet extr.] tot.DAILY MX report only Mar, Jun, Sep, Dec
011Nitrogen, ammonia total [as N]MO AVG <= 1.3 mg/L May, Jun, Jul, Aug, Sep, Oct
011Nitrogen, ammonia total [as N]MO AVG <= 7.6 mg/L Jan, Feb, Mar, Apr, Nov, Dec
011Nitrogen, ammonia total [as N]MO AVG <= .178 kg/d May, Jun, Jul, Aug, Sep, Oct
011Nitrogen, ammonia total [as N]MO AVG <= 1.04 kg/d Jan, Feb, Mar, Apr, Nov, Dec
011Nitrite + Nitrate total [as N]MO AVG report only Mar, Jun, Sep, Dec
011Nitrite + Nitrate total [as N]DAILY MX report only Mar, Jun, Sep, Dec
011Phosphorus, total [as P]MO AVG report only Mar, Jun, Sep, Dec
011Phosphorus, total [as P]DAILY MX report only Mar, Jun, Sep, Dec
011Chlorine, total residualDAILY MX report only all year
011Toxicity [acute], Ceriodaphnia dubiaMO AVG report only Jun, Dec
011Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only Jun, Dec
011Solids, total dissolved- 180 deg. CMO AVG report only Mar, Jun, Sep, Dec
011Solids, total dissolved- 180 deg. CDAILY MX report only Mar, Jun, Sep, Dec
011BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
011BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year
011BOD, carbonaceous [5 day, 20 C]MO AVG <= 1.37 kg/d all year
011BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2.05 kg/d all year
011%Effect Static Renewal 48Hr Acute Pimephales promelasMO AVG report only Jun
011%Effect Static Renewal 48Hr Acute Pimephales promelasDAILY MX report only Jun
601Oxygen demand, chem. [low level] [COD]MO AVG report only Mar, Jun, Sep, Dec
601Oxygen demand, chem. [low level] [COD]DAILY MX report only Mar, Jun, Sep, Dec
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaMO AVG report only Jun, Dec
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX report only Jun, Dec
801%Effect Static Renewal 48Hr Acute Pimephales promelasMO AVG report only Jun
801%Effect Static Renewal 48Hr Acute Pimephales promelasDAILY MX report only Jun

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