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Individual And Family Services, Tiffin, Ohio. NPDES permit OH0151717, in force until Jan 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | monthly average | report only (gal/d) | all year | 001 |
| Flow rate | daily maximum | report only (gal/d) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Mar, Jun, Aug, Dec | 001 |
| pH | daily minimum | report only (SU) | Mar, Jun, Aug, Dec | 001 |
| pH | daily maximum | report only (SU) | Mar, Jun, Aug, Dec | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Mar, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun, Aug | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jun, Aug | 001 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 001 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 001 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | Jun, Aug | 001 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | Jun, Aug | 001 |
| Chlorine, total residual | daily maximum | report only (mg/L) | Jun, Aug | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 001 |
| Sludge waste from secondary clarifiers | monthly average | report only (gal) | Dec | 588 |
| Sludge waste from secondary clarifiers | daily maximum | report only (gal) | Dec | 588 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C], monthly average | 0.19 kg/d (Mar, Jun, Aug, Dec) | new | — | — |
| BOD, carbonaceous [5 day, 20 C], monthly average | 10 mg/L (Mar, Jun, Aug, Dec) | new | — | — |
| BOD, carbonaceous [5 day, 20 C], weekly maximum | 15 mg/L (Mar, Jun, Aug, Dec) | new | — | — |
| BOD, carbonaceous [5 day, 20 C], weekly maximum | 0.28 kg/d (Mar, Jun, Aug, Dec) | new | — | — |
| Chlorine, total residual, daily maximum | 0.019 mg/L (Jun, Aug) | new | — | — |
| E. coli, MTEC-MF, monthly geometric mean | 126 MPN/100mL (Jun, Aug) | new | — | — |
| E. coli, MTEC-MF, weekly geometric mean | 284 MPN/100mL (Jun, Aug) | new | — | — |
| Nitrogen, ammonia total [as N], monthly average | 3 mg/L (Mar, Dec) | new | — | — |
| Nitrogen, ammonia total [as N], monthly average | 0.057 kg/d (Mar, Dec) | new | — | — |
| Nitrogen, ammonia total [as N], monthly average | 0.019 kg/d (Jun, Aug) | new | — | — |
| Nitrogen, ammonia total [as N], monthly average | 1 mg/L (Jun, Aug) | new | — | — |
| Nitrogen, ammonia total [as N], weekly maximum | 4.5 mg/L (Mar, Dec) | new | — | — |
| Nitrogen, ammonia total [as N], weekly maximum | 0.085 kg/d (Mar, Dec) | new | — | — |
| Nitrogen, ammonia total [as N], weekly maximum | 0.028 kg/d (Jun, Aug) | new | — | — |
| Nitrogen, ammonia total [as N], weekly maximum | 1.5 mg/L (Jun, Aug) | new | — | — |
| Solids, total suspended, monthly average | 0.23 kg/d (Mar, Jun, Aug, Dec) | new | — | — |
| Solids, total suspended, monthly average | 12 mg/L (Mar, Jun, Aug, Dec) | new | — | — |
| Solids, total suspended, weekly maximum | 18 mg/L (Mar, Jun, Aug, Dec) | new | — | — |
| Solids, total suspended, weekly maximum | 0.34 kg/d (Mar, Jun, Aug, Dec) | new | — | — |
| pH, daily maximum | 9 SU (Mar, Jun, Aug, Dec) | new | 7.75 SU (4 values) | 0.861× |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 6 Social Services permits in Ohio.
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