Clean Water Act discharge permit · NPDES OH0124095
OHIO AIR NATIONAL GUARD 121 ARW, Columbus, OH: NPDES OH0124095 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 17Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
OHIO AIR NATIONAL GUARD 121 ARW, held by Ohio Air National Guard 121 ARW, holds NPDES permit OH0124095, which discharges to Ut Big Walnut Creek. EPA’s file records it issued September 15, 2016 and expiring September 30, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | OHIO AIR NATIONAL GUARD 121 ARW |
|---|---|
| Permittee as filed | Ohio Air National Guard 121 ARW |
| NPDES ID | OH0124095 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 15, 2016 |
| Expiration date | September 30, 2021 |
| Address | Columbus, OH 43217 |
| Receiving water | UT Big Walnut Creek |
| Subwatershed | Town of Lockbourne-Alum Creek (HUC 050600011603) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 17Under a numeric limit
- 2With a violation of any kind
- 2With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Oil and grease [soxhlet extr.] tot. | 0 | 4 | 4 | February 28, 2010 | 2,420% over the limit |
| pH | 4 | 3 | 3 | March 31, 2017 | |
| BOD, 5-day, 20 deg. C | 4 | 0 | 0 | ||
| Oxygen demand, chem. [low level] [COD] | 4 | 0 | 0 | ||
| Solids, total suspended | 4 | 0 | 0 | ||
| Oil and grease, hexane extr method | 4 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 0 | 0 | ||
| Phenol | 4 | 0 | 0 | ||
| Rainfall | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 0 | 0 | ||
| Toluene | 2 | 0 | 0 | ||
| Benzene | 2 | 0 | 0 | ||
| Ethylbenzene | 2 | 0 | 0 | ||
| Naphthalene | 2 | 0 | 0 | ||
| Propylene glycol, total | 2 | 0 | 0 | ||
| Solids, total dissolved- 180 deg. C | 2 | 0 | 0 | ||
| Xylene [mix of m+o+p] | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES OH0124095.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID OH0124095 there.
Nearby on the register
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- Every permit record in Ohio, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.