Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES ME0037419

MAYO MILL HOLDINGS LLC, Dover-Foxcroft, ME: NPDES ME0037419 discharge permit, effluent exceedances, inspections, penalties

MAYO MILL HOLDINGS LLC, held by MAYO MILL HOLDINGS, LLC, holds NPDES permit ME0037419, which discharges to Piscataquis River. EPA’s file records it issued October 1, 2015 and expiring September 30, 2020. 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 MAYO MILL HOLDINGS LLC: its NPDES ID, its permit type and status, its dates, its address in Dover-Foxcroft, Maine, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ME0037419.

Identity

Facility as filedMAYO MILL HOLDINGS LLC
Permittee as filedMAYO MILL HOLDINGS, LLC
NPDES IDME0037419
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 1, 2015
Expiration dateSeptember 30, 2020
AddressDover-Foxcroft, ME 04426
Receiving waterPiscataquis River
SubwatershedSalmon Stream-Piscataquis River (HUC 010200040203)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ME0037419.

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 ME0037419.

Inspections

EPA’s inspection file holds no inspection for NPDES ME0037419.

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 ME0037419.

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, ME0037419.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 ME0037419 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

MAYO MILL HOLDINGS LLC's Clean Water Act discharge permit, ME0037419, is one of 3 NPDES permits in the Salmon Stream-Piscataquis River subwatershed, and it is one of 4 individual permits on EPA's register for Piscataquis County. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance.