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Nitrogenous Fertilizers, major discharger, Lima, Ohio. NPDES permit OH0002615, in force until Jan 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 4 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 425 kg/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 849 kg/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.5 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 106 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 212 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 212 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 425 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Oxidants, total residual | monthly average | ≤ .0006 mg/L | all year | 001 |
| Oxidants, total residual | daily maximum | ≤ .0048 mg/L | 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 |
| Mercury, total low level | monthly average | ≤ 5.74 ng/L | all year | 001 |
| Mercury, total low level | daily maximum | ≤ 1700 ng/L | all year | 001 |
| Mercury, total low level | monthly average | ≤ .000086 kg/d | all year | 001 |
| Mercury, total low level | daily maximum | ≤ .0241 kg/d | all year | 001 |
| Cyanide, free available | monthly average | report only (ug/L) | all year | 001 |
| Cyanide, free available | daily maximum | report only (ug/L) | all year | 001 |
| pH Range Excursion, Maximum Duration | daily maximum | ≤ 60 min | all year | 001 |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | Aug | 001 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | Aug | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Aug | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Aug | 001 |
| pH, maximum | daily maximum | report only (SU) | all year | 001 |
| pH, minimum | daily minimum | report only (SU) | all year | 001 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 001 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| Urea | monthly average | report only (mg/L) | all year | 001 |
| Urea | daily maximum | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 8 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 16 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 113 kg/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 226 kg/d | all year | 001 |
| pH range excursions, > 60 minutes | daily maximum | ≤ 0 occur/d | all year | 001 |
| pH range excursions, monthly total accum | daily maximum | ≤ 446 min | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 002 |
| Zinc, total [as Zn] | 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 |
| Urea | monthly average | report only (mg/L) | all year | 002 |
| Urea | daily maximum | report only (mg/L) | all year | 002 |
| Duration of discharge | monthly average | report only (hr) | all year | 002 |
| Duration of discharge | daily maximum | report only (hr) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (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 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 003 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Urea | monthly average | report only (mg/L) | all year | 003 |
| Urea | daily maximum | report only (mg/L) | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 004 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 004 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 004 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Urea | monthly average | report only (mg/L) | all year | 004 |
| Urea | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, organic total [as N] | monthly average | ≤ 251.3 mg/L | all year | 603 |
| Nitrogen, organic total [as N] | daily maximum | ≤ 469.9 mg/L | all year | 603 |
| Nitrogen, organic total [as N] | monthly average | ≤ 498 kg/d | all year | 603 |
| Nitrogen, organic total [as N] | daily maximum | ≤ 931 kg/d | all year | 603 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 177.4 mg/L | all year | 603 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 349.7 mg/L | all year | 603 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 362.5 kg/d | all year | 603 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 714.7 kg/d | all year | 603 |
| Nitrogen, nitrate total [as N] | monthly average | ≤ 11.6 mg/L | all year | 603 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 40.5 mg/L | all year | 603 |
| Nitrogen, nitrate total [as N] | monthly average | ≤ 22.8 kg/d | all year | 603 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 79.6 kg/d | all year | 603 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 603 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 603 |
| Mercury, total low level | monthly average | report only (ng/L) | Mar, Jun, Aug, Dec | 604 |
| Mercury, total low level | daily maximum | report only (ng/L) | Mar, Jun, Aug, Dec | 604 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Urea, daily maximum outfall 002 | 300 mg/L | new | — | — |
| Urea, daily maximum outfall 003 | 300 mg/L | new | 6 mg/L (11 values) | 0.02× |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 68 Chemicals and Allied Products permits in Ohio.
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Your permit document is the final word. As JSON: /api/v1/permits/OH0002615 · MCP: https://passage-data.com/mcp