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Aluminum Extruded Products, Columbiana, Ohio. NPDES permit OH0011452, in force until May 31, 2027. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| June 2026 | Solids, total suspended, monthly average | 13 | ≤ 12 mg/L | 8% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | all year | 001 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Rainfall | monthly average | report only (in) | all year | 001 |
| Rainfall | daily maximum | report only (in) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 001 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 002 |
| Sludge waste from secondary clarifiers | monthly average | report only (gal) | Dec | 588 |
| Sludge waste from secondary clarifiers | daily maximum | report only (gal) | Dec | 588 |
| Flow rate | monthly average | report only (gal/d) | all year | 601 |
| Flow rate | daily maximum | report only (gal/d) | all year | 601 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | Mar, Jun, Sep, Dec | 601 |
| pH | daily minimum | ≥ 6.5 SU | Mar, Jun, Sep, Dec | 601 |
| pH | daily maximum | ≤ 9 SU | Mar, Jun, Sep, Dec | 601 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | Mar, Jun, Sep, Dec | 601 |
| Solids, total suspended | weekly maximum | ≤ 18 mg/L | Mar, Jun, Sep, Dec | 601 |
| Solids, total suspended | monthly average | ≤ .27 kg/d | Mar, Jun, Sep, Dec | 601 |
| Solids, total suspended | weekly maximum | ≤ .41 kg/d | Mar, Jun, Sep, Dec | 601 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Mar, Jun, Sep, Dec | 601 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 3 mg/L | Mar, Jun, Sep, Dec | 601 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .046 kg/d | Mar, Jun, Sep, Dec | 601 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .068 kg/d | Mar, Jun, Sep, Dec | 601 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 601 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 601 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 MPN/100mL | Jun, Sep | 601 |
| E. coli, MTEC-MF | weekly geometric mean | ≤ 284 MPN/100mL | Jun, Sep | 601 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | Jun, Sep | 601 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Mar, Jun, Sep, Dec | 601 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 15 mg/L | Mar, Jun, Sep, Dec | 601 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ .23 kg/d | Mar, Jun, Sep, Dec | 601 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ .34 kg/d | Mar, Jun, Sep, Dec | 601 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 56 Primary Metal Industries permits in Ohio.
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