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Airports, Flying Fields, & Services, Hebron, Kentucky. NPDES permit KY0082864, in force until Sep 30, 2031. Last 12 months: over a limit 5 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| December 2025 | 003 | Oil & Grease, daily maximum | 51.2 mg/L | ≤ 15 mg/L | 241% |
| December 2025 | 003 | Oil & Grease, monthly average | 16.23 mg/L | ≤ 10 mg/L | 62% |
| February 2026 | 006 | BOD, 5-day, 20 deg. C, daily maximum | 100 mg/L | ≤ 85 mg/L | 18% |
| February 2026 | 006 | Solids, total suspended, daily maximum | 107 mg/L | ≤ 60 mg/L | 78% |
| February 2026 | 006 | Solids, total suspended, monthly average | 31.93 mg/L | ≤ 30 mg/L | 6% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 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 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 002 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | all year | 002 |
| Potassium, total [as K] | monthly average | report only (mg/L) | all year | 002 |
| Potassium, total [as K] | daily maximum | report only (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 (mg/L) | all year | 002 |
| Propylene glycol, total | daily maximum | report only (mg/L) | all year | 002 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | May–Oct | 003 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 70 mg/L | May–Oct | 003 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 150 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 70 mg/L | May–Oct | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 150 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| pH | minimum | ≥ 6 SU | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| pH | minimum | ≥ 6 SU | May–Oct | 003 |
| pH | maximum | ≤ 9 SU | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| pH | maximum | ≤ 9 SU | May–Oct | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | May–Oct | 003 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | May–Oct | 003 |
| Oil & Grease | monthly average | report only (mg/L) | May–Oct | 003 |
| Oil & Grease | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | May–Oct | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | May–Oct | 003 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | May–Oct | 003 |
| Potassium, total [as K] | monthly average | report only (mg/L) | May–Oct | 003 |
| Potassium, total [as K] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | May–Oct | 003 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 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 |
| Propylene glycol, total | monthly average | report only (mg/L) | May–Oct | 003 |
| Propylene glycol, total | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Propylene glycol, total | daily maximum | report only (mg/L) | May–Oct | 003 |
| Propylene glycol, total | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | May–Oct | 005 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 50 mg/L | May–Oct | 005 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 85 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 50 mg/L | May–Oct | 005 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 85 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| pH | minimum | ≥ 6 SU | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| pH | minimum | ≥ 6 SU | May–Oct | 005 |
| pH | maximum | ≤ 9 SU | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| pH | maximum | ≤ 9 SU | May–Oct | 005 |
| Solids, total suspended | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Solids, total suspended | monthly average | report only (mg/L) | May–Oct | 005 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | May–Oct | 005 |
| Oil & Grease | monthly average | report only (mg/L) | May–Oct | 005 |
| Oil & Grease | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | May–Oct | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | May–Oct | 005 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | May–Oct | 005 |
| Potassium, total [as K] | monthly average | report only (mg/L) | May–Oct | 005 |
| Potassium, total [as K] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | May–Oct | 005 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | May–Oct | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | May–Oct | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Propylene glycol, total | monthly average | report only (mg/L) | May–Oct | 005 |
| Propylene glycol, total | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Propylene glycol, total | daily maximum | report only (mg/L) | May–Oct | 005 |
| Propylene glycol, total | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 005 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | May–Oct | 006 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 50 mg/L | May–Oct | 006 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 85 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 50 mg/L | May–Oct | 006 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 85 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| pH | minimum | ≥ 6 SU | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| pH | minimum | ≥ 6 SU | May–Oct | 006 |
| pH | maximum | ≤ 9 SU | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| pH | maximum | ≤ 9 SU | May–Oct | 006 |
| Solids, total suspended | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| Solids, total suspended | monthly average | report only (mg/L) | May–Oct | 006 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | May–Oct | 006 |
| Oil & Grease | monthly average | report only (mg/L) | May–Oct | 006 |
| Oil & Grease | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | May–Oct | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | May–Oct | 006 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | May–Oct | 006 |
| Potassium, total [as K] | monthly average | report only (mg/L) | May–Oct | 006 |
| Potassium, total [as K] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | May–Oct | 006 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 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) | Jan, Feb, Mar, Apr, Nov, Dec | 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) | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| Propylene glycol, total | monthly average | report only (mg/L) | May–Oct | 006 |
| Propylene glycol, total | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| Propylene glycol, total | daily maximum | report only (mg/L) | May–Oct | 006 |
| Propylene glycol, total | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
Cited limits by parameter: Kentucky's rules and the federal ones.
Same industry: the 8 Transportation by Air permits in Kentucky.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/KY0082864 · MCP: https://passage-data.com/mcp