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Airports, Flying Fields, & Services, Cleveland, Ohio. NPDES permit OH0122068, in force until Aug 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| 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 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 002 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | all year | 002 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 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 |
| Oil and grease, hexane extr method | monthly average | ≤ 15 mg/L | all year | 002 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/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 |
| Propylene glycol, total | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 002 |
| Propylene glycol, total | daily maximum | report only (ug/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 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, 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 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Jul–Oct | 008 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 008 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 008 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 008 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Jul–Oct | 008 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 008 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Jul–Oct | 008 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 008 |
| pH | daily minimum | ≥ 6.5 SU | Jul–Oct | 008 |
| pH | daily minimum | ≥ 6.5 SU | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 008 |
| pH | daily maximum | ≤ 9 SU | Jul–Oct | 008 |
| pH | daily maximum | ≤ 9 SU | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 008 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Oil & grease severity | monthly average | report only (severity) | all year | 008 |
| Oil & grease severity | daily maximum | report only (severity) | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Propylene glycol, total | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 008 |
| Propylene glycol, total | daily maximum | report only (ug/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 008 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Jul–Oct | 008 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 008 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Jul–Oct | 008 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 010 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 010 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Jul–Oct | 012 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 012 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 012 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 012 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Jul–Oct | 012 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 012 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Jul–Oct | 012 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 012 |
| pH | daily minimum | ≥ 6.5 SU | Jul–Oct | 012 |
| pH | daily minimum | ≥ 6.5 SU | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 012 |
| pH | daily maximum | ≤ 9.5 SU | Jul–Oct | 012 |
| pH | daily maximum | ≤ 9.5 SU | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 012 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 012 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 012 |
| Oil and grease, hexane extr method | monthly average | ≤ 15 mg/L | all year | 012 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/L | all year | 012 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 012 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 012 |
| Rainfall | monthly average | report only (in) | all year | 012 |
| Rainfall | daily maximum | report only (in) | all year | 012 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| Glycol mix applied | monthly average | report only (gal) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 012 |
| Glycol mix applied | daily maximum | report only (gal) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 012 |
| Propylene glycol, total | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 012 |
| Propylene glycol, total | daily maximum | report only (ug/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 012 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Jul–Oct | 012 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 012 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Jul–Oct | 012 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 012 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 013 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Jul–Oct | 013 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 013 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 013 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Jul–Oct | 013 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 013 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Jul–Oct | 013 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 013 |
| pH | daily minimum | ≥ 6.5 SU | Jul–Oct | 013 |
| pH | daily minimum | ≥ 6.5 SU | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 013 |
| pH | daily maximum | ≤ 9.5 SU | Jul–Oct | 013 |
| pH | daily maximum | ≤ 9.5 SU | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 013 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 013 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 013 |
| Oil and grease, hexane extr method | monthly average | ≤ 15 mg/L | all year | 013 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/L | all year | 013 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 013 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 013 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 013 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 013 |
| Propylene glycol, total | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 013 |
| Propylene glycol, total | daily maximum | report only (ug/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 013 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Jul–Oct | 013 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 013 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Jul–Oct | 013 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Jun, Nov, Dec | 013 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 801 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 801 |
| Conductivity | monthly average | report only (umho/cm) | all year | 801 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 801 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 801 |
| pH | daily minimum | report only (SU) | all year | 801 |
| pH | daily maximum | report only (SU) | all year | 801 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 801 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 801 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 802 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 802 |
| Conductivity | monthly average | report only (umho/cm) | all year | 802 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 802 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 802 |
| pH | daily minimum | report only (SU) | all year | 802 |
| pH | daily maximum | report only (SU) | all year | 802 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 802 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 802 |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | Jan, Feb, Mar, Dec | 803 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | Jan, Feb, Mar, Dec | 803 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Jan, Feb, Mar, Dec | 803 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Jan, Feb, Mar, Dec | 803 |
| 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 |
| Conductivity | monthly average | report only (umho/cm) | all year | 901 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 901 |
| Oxygen, dissolved [DO] | daily minimum | 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 dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 901 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 901 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 902 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 902 |
| Conductivity | monthly average | report only (umho/cm) | all year | 902 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 902 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 902 |
| pH | daily minimum | report only (SU) | all year | 902 |
| pH | daily maximum | report only (SU) | all year | 902 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 902 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 902 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 12 Transportation by Air permits in Ohio.
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On EPA ECHO: Facility report · DMR history
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