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Airports, Flying Fields, & Services, North Canton, Ohio. NPDES permit OH0101320, in force until Aug 31, 2029. Last 12 months: no values over a limit, 45 of 198 reports late. 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 | ≥ 5 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | May–Oct | 002 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | May–Oct | 002 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | May–Oct | 002 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| pH | daily minimum | ≥ 6.5 SU | May–Oct | 002 |
| pH | daily minimum | ≥ 6.5 SU | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| pH | daily maximum | ≤ 9 SU | May–Oct | 002 |
| pH | daily maximum | ≤ 9 SU | Jan, Feb, Mar, Apr, Nov, Dec | 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 |
| 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 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | May–Oct | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | May–Oct | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | May–Oct | 003 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | May–Oct | 003 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | May–Oct | 003 |
| pH | daily minimum | ≥ 6.5 SU | May–Oct | 003 |
| pH | daily minimum | ≥ 6.5 SU | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| pH | daily maximum | ≤ 9 SU | May–Oct | 003 |
| pH | daily maximum | ≤ 9 SU | Jan, Feb, Mar, Apr, Nov, Dec | 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, hexane extr method | monthly average | ≤ 15 mg/L | May–Oct | 003 |
| Oil and grease, hexane extr method | monthly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/L | May–Oct | 003 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.2 mg/L | May–Oct | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9 mg/L | May–Oct | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Rainfall | monthly average | report only (in) | all year | 003 |
| Rainfall | daily maximum | report only (in) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | May–Oct | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | May–Oct | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Glycol mix applied | monthly average | report only (gal) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Glycol mix applied | daily maximum | report only (gal) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Propylene glycol, total | monthly average | ≤ 164776 ug/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Propylene glycol, total | daily maximum | ≤ 1300000 ug/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | May–Oct | 003 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | May–Oct | 003 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 335 mg/L | May–Oct | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 842 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| 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 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year | 006 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | all year | 006 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | all year | 006 |
| pH | daily minimum | ≥ 6.5 SU | all year | 006 |
| pH | daily maximum | ≤ 9 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 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.7 mg/L | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | May–Oct | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | May–Oct | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 006 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| 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 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| pH | daily minimum | ≥ 6.5 SU | Mar, Jun, Sep, Dec | 010 |
| pH | daily maximum | ≤ 9 SU | Mar, Jun, Sep, Dec | 010 |
| Oil and grease, hexane extr method | monthly average | ≤ 15 mg/L | Mar, Jun, Sep, Dec | 010 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/L | Mar, Jun, Sep, Dec | 010 |
| 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 demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 012 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 012 |
| pH | daily minimum | ≥ 6.5 SU | all year | 012 |
| pH | daily maximum | ≤ 9 SU | all year | 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 | report only (mg/L) | all year | 012 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 012 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.7 mg/L | Mar, Jun, Sep, Dec | 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 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 012 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 012 |
| 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 |
| Solids, total suspended | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 015 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 015 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 016 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 016 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 603 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | ≤ 599 mg/L | all year | 603 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | ≤ 49 kg/d | all year | 603 |
| pH | daily minimum | report only (SU) | all year | 603 |
| pH | daily maximum | report only (SU) | all year | 603 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 603 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 603 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | 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 |
| Propylene glycol, total | monthly average | report only (ug/L) | all year | 603 |
| Propylene glycol, total | daily maximum | report only (ug/L) | all year | 603 |
| 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 |
| Specific conductance | monthly average | report only (umho/cm) | all year | 801 |
| Specific conductance | 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 |
| 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 |
| Specific conductance | monthly average | report only (umho/cm) | all year | 901 |
| Specific conductance | 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 |
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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