Clean Water Act discharge permit · NPDES ME0100323
MACHIAS WWTF, Machias, ME: NPDES ME0100323 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 13Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
MACHIAS WWTF, held by MACHIAS TOWN OF, holds NPDES permit ME0100323, which discharges to Machias River. EPA’s file records it issued February 1, 2011 and expiring January 31, 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.
Identity
| Facility as filed | MACHIAS WWTF |
|---|---|
| Permittee as filed | MACHIAS TOWN OF |
| NPDES ID | ME0100323 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 1, 2011 |
| Expiration date | January 31, 2016 |
| Address | Machias, ME 04654 |
| Receiving water | Machias River |
| Subwatershed | Lower Machias River (HUC 010500020604) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 17Pollutants on file
- 13Under a numeric limit
- 17With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Coliform, fecal MF, MFC broth, 44.5 C | 4 | 47 | 12 | December 31, 2024 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 42 | 12 | March 31, 2012 | 147% over the limit |
| Solids, total suspended | 24 | 110 | 5 | September 30, 2012 | 68% over the limit |
| BOD, 5-day, 20 deg. C | 24 | 106 | 3 | January 31, 2010 | 46% over the limit |
| pH | 2 | 35 | 3 | May 31, 2022 | |
| Chlorine, total residual | 4 | 33 | 1 | September 30, 2006 | 165% over the limit |
| Solids, settleable | 1 | 17 | 1 | July 31, 2011 | 33% over the limit |
| Noael Static 48Hr Acute Mysid. Bahia | 3 | 10 | 1 | March 31, 2015 | 94% over the limit |
| Copper, total [as Cu] | 0 | 9 | 1 | December 31, 2005 | 108% over the limit |
| BOD, 5-day, percent removal | 1 | 16 | 0 | ||
| Solids, suspended percent removal | 1 | 16 | 0 | ||
| NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulata | 2 | 9 | 0 | ||
| Analytical Chemistry | 2 | 5 | 0 | ||
| Priority Pollutants | 1 | 5 | 0 | ||
| Noel Statre 7Day Chronic Menidia | 0 | 4 | 0 | ||
| NOAEL Static 48Hr Acute Menidia sp. | 0 | 4 | 0 | ||
| Mercury, total [as Hg] | 0 | 3 | 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 ME0100323.
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 ME0100323 there.
Nearby on the register
- Discharge permits in Machias
- Every permit record in Machias, A to Z
- Discharge permits in Maine
- Every permit record in Maine, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.