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Water Supply, Toledo, Ohio. NPDES permit OH0030759, in force until Aug 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 |
| pH | daily minimum | report only (SU) | all year | 001 |
| pH | daily maximum | report only (SU) | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun–Sep | 001 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun–Sep | 001 |
| Dichlorobromomethane | monthly average | report only (ug/L) | Sep | 001 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | Sep | 001 |
| Bromoform | monthly average | report only (ug/L) | Sep | 001 |
| Bromoform | daily maximum | report only (ug/L) | Sep | 001 |
| Dibromochloromethane | monthly average | report only (ug/L) | Sep | 001 |
| Dibromochloromethane | daily maximum | report only (ug/L) | Sep | 001 |
| Chloroform | monthly average | report only (ug/L) | Sep | 001 |
| Chloroform | daily maximum | report only (ug/L) | Sep | 001 |
| Methyl bromide [Bromomethane] | monthly average | report only (ug/L) | Sep | 001 |
| Methyl bromide [Bromomethane] | daily maximum | report only (ug/L) | Sep | 001 |
| Methyl chloride [Chloromethane] | monthly average | report only (ug/L) | Sep | 001 |
| Methyl chloride [Chloromethane] | daily maximum | report only (ug/L) | Sep | 001 |
| Methylene chloride | monthly average | report only (ug/L) | Sep | 001 |
| Methylene chloride | daily maximum | report only (ug/L) | Sep | 001 |
| Microcystin | monthly average | report only (ug/L) | all year | 001 |
| Microcystin | daily maximum | report only (ug/L) | 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 |
| Flow rate | monthly average | report only (gal/d) | all year | 002 |
| Flow rate | daily maximum | report only (gal/d) | all year | 002 |
| pH | daily minimum | report only (SU) | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun–Sep | 002 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun–Sep | 002 |
| Dichlorobromomethane | monthly average | report only (ug/L) | Sep | 002 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | Sep | 002 |
| Bromoform | monthly average | report only (ug/L) | Sep | 002 |
| Bromoform | daily maximum | report only (ug/L) | Sep | 002 |
| Dibromochloromethane | monthly average | report only (ug/L) | Sep | 002 |
| Dibromochloromethane | daily maximum | report only (ug/L) | Sep | 002 |
| Chloroform | monthly average | report only (ug/L) | Sep | 002 |
| Chloroform | daily maximum | report only (ug/L) | Sep | 002 |
| Methyl bromide [Bromomethane] | monthly average | report only (ug/L) | Sep | 002 |
| Methyl bromide [Bromomethane] | daily maximum | report only (ug/L) | Sep | 002 |
| Methyl chloride [Chloromethane] | monthly average | report only (ug/L) | Sep | 002 |
| Methyl chloride [Chloromethane] | daily maximum | report only (ug/L) | Sep | 002 |
| Methylene chloride | monthly average | report only (ug/L) | Sep | 002 |
| Methylene chloride | daily maximum | report only (ug/L) | Sep | 002 |
| Microcystin | monthly average | report only (ug/L) | all year | 002 |
| Microcystin | daily maximum | report only (ug/L) | all year | 002 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 002 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 002 |
| Flow rate | monthly average | report only (gal/d) | all year | 003 |
| Flow rate | daily maximum | report only (gal/d) | 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 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun–Sep | 003 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun–Sep | 003 |
| Dichlorobromomethane | monthly average | report only (ug/L) | Sep | 003 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | Sep | 003 |
| Bromoform | monthly average | report only (ug/L) | Sep | 003 |
| Bromoform | daily maximum | report only (ug/L) | Sep | 003 |
| Dibromochloromethane | monthly average | report only (ug/L) | Sep | 003 |
| Dibromochloromethane | daily maximum | report only (ug/L) | Sep | 003 |
| Chloroform | monthly average | report only (ug/L) | Sep | 003 |
| Chloroform | daily maximum | report only (ug/L) | Sep | 003 |
| Methyl bromide [Bromomethane] | monthly average | report only (ug/L) | Sep | 003 |
| Methyl bromide [Bromomethane] | daily maximum | report only (ug/L) | Sep | 003 |
| Methyl chloride [Chloromethane] | monthly average | report only (ug/L) | Sep | 003 |
| Methyl chloride [Chloromethane] | daily maximum | report only (ug/L) | Sep | 003 |
| Methylene chloride | monthly average | report only (ug/L) | Sep | 003 |
| Methylene chloride | daily maximum | report only (ug/L) | Sep | 003 |
| Microcystin | monthly average | report only (ug/L) | all year | 003 |
| Microcystin | daily maximum | report only (ug/L) | all year | 003 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 003 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 003 |
| Flow rate | monthly average | report only (gal/d) | all year | 004 |
| Flow rate | daily maximum | report only (gal/d) | all year | 004 |
| pH | daily minimum | report only (SU) | all year | 004 |
| pH | daily maximum | report only (SU) | all year | 004 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun–Sep | 004 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun–Sep | 004 |
| Dichlorobromomethane | monthly average | report only (ug/L) | Sep | 004 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | Sep | 004 |
| Bromoform | monthly average | report only (ug/L) | Sep | 004 |
| Bromoform | daily maximum | report only (ug/L) | Sep | 004 |
| Dibromochloromethane | monthly average | report only (ug/L) | Sep | 004 |
| Dibromochloromethane | daily maximum | report only (ug/L) | Sep | 004 |
| Chloroform | monthly average | report only (ug/L) | Sep | 004 |
| Chloroform | daily maximum | report only (ug/L) | Sep | 004 |
| Methyl bromide [Bromomethane] | monthly average | report only (ug/L) | Sep | 004 |
| Methyl bromide [Bromomethane] | daily maximum | report only (ug/L) | Sep | 004 |
| Methyl chloride [Chloromethane] | monthly average | report only (ug/L) | Sep | 004 |
| Methyl chloride [Chloromethane] | daily maximum | report only (ug/L) | Sep | 004 |
| Methylene chloride | monthly average | report only (ug/L) | Sep | 004 |
| Methylene chloride | daily maximum | report only (ug/L) | Sep | 004 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 004 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 004 |
| Flow rate | monthly average | report only (gal/d) | all year | 005 |
| Flow rate | daily maximum | report only (gal/d) | all year | 005 |
| pH | daily minimum | report only (SU) | all year | 005 |
| pH | daily maximum | report only (SU) | all year | 005 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun–Sep | 005 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun–Sep | 005 |
| Dichlorobromomethane | monthly average | report only (ug/L) | Sep | 005 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | Sep | 005 |
| Bromoform | monthly average | report only (ug/L) | Sep | 005 |
| Bromoform | daily maximum | report only (ug/L) | Sep | 005 |
| Dibromochloromethane | monthly average | report only (ug/L) | Sep | 005 |
| Dibromochloromethane | daily maximum | report only (ug/L) | Sep | 005 |
| Chloroform | monthly average | report only (ug/L) | Sep | 005 |
| Chloroform | daily maximum | report only (ug/L) | Sep | 005 |
| Methyl bromide [Bromomethane] | monthly average | report only (ug/L) | Sep | 005 |
| Methyl bromide [Bromomethane] | daily maximum | report only (ug/L) | Sep | 005 |
| Methyl chloride [Chloromethane] | monthly average | report only (ug/L) | Sep | 005 |
| Methyl chloride [Chloromethane] | daily maximum | report only (ug/L) | Sep | 005 |
| Methylene chloride | monthly average | report only (ug/L) | Sep | 005 |
| Methylene chloride | daily maximum | report only (ug/L) | Sep | 005 |
| Microcystin | monthly average | report only (ug/L) | all year | 005 |
| Microcystin | daily maximum | report only (ug/L) | all year | 005 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 005 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 005 |
| Flow rate | monthly average | report only (gal/d) | all year | 006 |
| Flow rate | daily maximum | report only (gal/d) | all year | 006 |
| pH | daily minimum | report only (SU) | all year | 006 |
| pH | daily maximum | report only (SU) | all year | 006 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun–Sep | 006 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun–Sep | 006 |
| Dichlorobromomethane | monthly average | report only (ug/L) | Sep | 006 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | Sep | 006 |
| Bromoform | monthly average | report only (ug/L) | Sep | 006 |
| Bromoform | daily maximum | report only (ug/L) | Sep | 006 |
| Dibromochloromethane | monthly average | report only (ug/L) | Sep | 006 |
| Dibromochloromethane | daily maximum | report only (ug/L) | Sep | 006 |
| Chloroform | monthly average | report only (ug/L) | Sep | 006 |
| Chloroform | daily maximum | report only (ug/L) | Sep | 006 |
| Methyl bromide [Bromomethane] | monthly average | report only (ug/L) | Sep | 006 |
| Methyl bromide [Bromomethane] | daily maximum | report only (ug/L) | Sep | 006 |
| Methyl chloride [Chloromethane] | monthly average | report only (ug/L) | Sep | 006 |
| Methyl chloride [Chloromethane] | daily maximum | report only (ug/L) | Sep | 006 |
| Methylene chloride | monthly average | report only (ug/L) | Sep | 006 |
| Methylene chloride | daily maximum | report only (ug/L) | Sep | 006 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 006 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 006 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 006 |
| Flow rate | monthly average | report only (gal/d) | all year | 007 |
| Flow rate | daily maximum | report only (gal/d) | all year | 007 |
| pH | daily minimum | report only (SU) | all year | 007 |
| pH | daily maximum | report only (SU) | all year | 007 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 007 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 007 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun–Sep | 007 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun–Sep | 007 |
| Dichlorobromomethane | monthly average | report only (ug/L) | Sep | 007 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | Sep | 007 |
| Bromoform | monthly average | report only (ug/L) | Sep | 007 |
| Bromoform | daily maximum | report only (ug/L) | Sep | 007 |
| Dibromochloromethane | monthly average | report only (ug/L) | Sep | 007 |
| Dibromochloromethane | daily maximum | report only (ug/L) | Sep | 007 |
| Chloroform | monthly average | report only (ug/L) | Sep | 007 |
| Chloroform | daily maximum | report only (ug/L) | Sep | 007 |
| Methyl bromide [Bromomethane] | monthly average | report only (ug/L) | Sep | 007 |
| Methyl bromide [Bromomethane] | daily maximum | report only (ug/L) | Sep | 007 |
| Methyl chloride [Chloromethane] | monthly average | report only (ug/L) | Sep | 007 |
| Methyl chloride [Chloromethane] | daily maximum | report only (ug/L) | Sep | 007 |
| Methylene chloride | monthly average | report only (ug/L) | Sep | 007 |
| Methylene chloride | daily maximum | report only (ug/L) | Sep | 007 |
| Microcystin | monthly average | report only (ug/L) | all year | 007 |
| Microcystin | daily maximum | report only (ug/L) | all year | 007 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 007 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 007 |
| Flow rate | monthly average | report only (gal/d) | all year | 010 |
| Flow rate | daily maximum | report only (gal/d) | all year | 010 |
| pH | daily minimum | report only (SU) | all year | 010 |
| pH | daily maximum | report only (SU) | all year | 010 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 010 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 010 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun–Sep | 010 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun–Sep | 010 |
| Dichlorobromomethane | monthly average | report only (ug/L) | Sep | 010 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | Sep | 010 |
| Bromoform | monthly average | report only (ug/L) | Sep | 010 |
| Bromoform | daily maximum | report only (ug/L) | Sep | 010 |
| Dibromochloromethane | monthly average | report only (ug/L) | Sep | 010 |
| Dibromochloromethane | daily maximum | report only (ug/L) | Sep | 010 |
| Chloroform | monthly average | report only (ug/L) | Sep | 010 |
| Chloroform | daily maximum | report only (ug/L) | Sep | 010 |
| Methyl bromide [Bromomethane] | monthly average | report only (ug/L) | Sep | 010 |
| Methyl bromide [Bromomethane] | daily maximum | report only (ug/L) | Sep | 010 |
| Methyl chloride [Chloromethane] | monthly average | report only (ug/L) | Sep | 010 |
| Methyl chloride [Chloromethane] | daily maximum | report only (ug/L) | Sep | 010 |
| Methylene chloride | monthly average | report only (ug/L) | Sep | 010 |
| Methylene chloride | daily maximum | report only (ug/L) | Sep | 010 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 010 |
| Microcystin | monthly average | report only (ug/L) | all year | 010 |
| Microcystin | daily maximum | report only (ug/L) | all year | 010 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 010 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 010 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 147 Water Supply permits in Ohio.
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