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Refuse Systems, Tiffin, Ohio. NPDES permit OH0141623, in force until Mar 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 003 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 003 |
| Flow rate | monthly average | report only (gal/d) | all year | 003 |
| Flow rate | daily maximum | report only (gal/d) | all year | 003 |
| Color, spectrophoto-metric filter | monthly average | report only (severity) | all year | 003 |
| Color, spectrophoto-metric filter | daily maximum | report only (severity) | all year | 003 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | all year | 003 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | all year | 003 |
| pH | daily minimum | report only (SU) | all year | 003 |
| pH | daily maximum | report only (SU) | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Oil and grease [soxhlet extr.] tot. | monthly average | report only (mg/L) | Jun, Dec | 003 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | Jun, Dec | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.58 mg/L | all year | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.58 mg/L | all year | 003 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 003 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | Jun, Dec | 003 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Jun, Dec | 003 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Jun, Dec | 003 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Jun, Dec | 003 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Iron, total recoverable | monthly average | ≤ 6449 ug/L | all year | 003 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Lead, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Lead, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Odor, atmospheric [severity] | monthly average | report only (severity) | all year | 003 |
| Odor, atmospheric [severity] | daily maximum | report only (severity) | all year | 003 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 003 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 003 |
| Phenol | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Phenol | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| Rainfall | monthly average | report only (in) | all year | 003 |
| Rainfall | daily maximum | report only (in) | all year | 003 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 003 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 003 |
| Mercury, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 003 |
| Mercury, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 003 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 901 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 901 |
| Flow rate | monthly average | report only (gal/d) | all year | 901 |
| Flow rate | daily maximum | report only (gal/d) | all year | 901 |
| Color, spectrophoto-metric filter | monthly average | report only (severity) | all year | 901 |
| Color, spectrophoto-metric filter | daily maximum | report only (severity) | all year | 901 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | all year | 901 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | all year | 901 |
| pH | daily minimum | report only (SU) | all year | 901 |
| pH | daily maximum | report only (SU) | all year | 901 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 901 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 901 |
| Oil and grease [soxhlet extr.] tot. | monthly average | report only (mg/L) | Jun, Dec | 901 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | Jun, Dec | 901 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 901 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 901 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 901 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 901 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | Jun, Dec | 901 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Jun, Dec | 901 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Jun, Dec | 901 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Jun, Dec | 901 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Iron, total recoverable | monthly average | report only (ug/L) | all year | 901 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 901 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Lead, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Lead, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Odor, atmospheric [severity] | monthly average | report only (severity) | all year | 901 |
| Odor, atmospheric [severity] | daily maximum | report only (severity) | all year | 901 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 901 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 901 |
| Phenol | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Phenol | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 901 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 901 |
| Mercury, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Mercury, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 901 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 901 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 80 Refuse Systems permits in Ohio.
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