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Clean Water Act discharge permit · NPDES MER05C111

MAINE AVIATION CORPORATION, Portland, ME: NPDES MER05C111 discharge permit, effluent exceedances, inspections, penalties

MAINE AVIATION CORPORATION holds NPDES permit MER05C111, which discharges to Fore River. EPA’s file records it issued February 28, 2013 and expiring April 25, 2016. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for MAINE AVIATION CORPORATION: its NPDES ID, its permit type and status, its dates, its address in Portland, Maine, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MER05C111.

Identity

Facility as filedMAINE AVIATION CORPORATION
Permittee as filedMAINE AVIATION CORPORATION
NPDES IDMER05C111
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedFebruary 28, 2013
Expiration dateApril 25, 2016
AddressPortland, ME 04102
Receiving waterFore River
Receiving water impaired303(D) Listed
SubwatershedFore River (HUC 010600010402)
SIC4581 – Airports, Flying Fields, & Services

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MER05C111.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MER05C111.

Inspections

EPA’s inspection file holds no inspection for NPDES MER05C111.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MER05C111.

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, MER05C111.

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How we handle your data → Privacy

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 MER05C111 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

MAINE AVIATION CORPORATION's storm water industrial coverage in Portland, Cumberland County, Maine, is one of 51 such permits on EPA's NPDES register for that county, this one included. Of those 51 permits, 2.0% have a violation on file, and 88.2% carry an earlier issue date than this coverage, which was issued February 28, 2013. The Fore River subwatershed, where this permit sits, contains 17 NPDES permits, this one included, and this permit has no pollutant under a numeric limit and no pollutant with an effluent exceedance, both counted as 0.