Clean Water Act discharge permit · NPDES MER05B509
KNOX COUNTY REGIONAL AIRPORT, Owls Head, ME: NPDES MER05B509 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
KNOX COUNTY REGIONAL AIRPORT holds NPDES permit MER05B509, which discharges to Weskeag River. EPA’s file records it issued July 26, 2011 and expiring April 25, 2016. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for KNOX COUNTY REGIONAL AIRPORT: its NPDES ID, its permit type and status, its dates, its address in Owls Head, Maine, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MER05B509.
Identity
| Facility as filed | KNOX COUNTY REGIONAL AIRPORT |
|---|---|
| Permittee as filed | KNOX COUNTY REGIONAL AIRPORT |
| NPDES ID | MER05B509 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | July 26, 2011 |
| Expiration date | April 25, 2016 |
| Address | Owls Head, ME 04854 |
| Receiving water | Weskeag River |
| Subwatershed | Penobscot Bay Frontal Drainages (HUC 010500021907) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MER05B509.
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 MER05B509.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MER05B509.
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- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
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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 MER05B509 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.