Clean Water Act discharge permit · NPDES ME0100064
BOOTHBAY HARBOR WWTF, Boothbay Harbor, ME: NPDES ME0100064 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
BOOTHBAY HARBOR WWTF, held by BOOTHBAY HARBOR SEWER DISTRICT, holds NPDES permit ME0100064, which discharges to Boothbay Harbor. EPA’s file records it issued November 1, 2015 and expiring October 31, 2020. 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.
Identity
| Facility as filed | BOOTHBAY HARBOR WWTF |
|---|---|
| Permittee as filed | BOOTHBAY HARBOR SEWER DISTRICT |
| NPDES ID | ME0100064 |
| 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 | November 1, 2015 |
| Expiration date | October 31, 2020 |
| Address | Boothbay Harbor, ME 04538 |
| Receiving water | Boothbay Harbor |
| Subwatershed | Boothbay-Linekin Frontal Drainages (HUC 010500030305) |
| SIC | 4952 – Sewerage Systems |
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
- 17Pollutants on file
- 15Under a numeric limit
- 12With 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 | 2 | 28 | 6 | May 31, 2015 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 148 | 4 | March 31, 2010 | 180% over the limit |
| Chlorine, total residual | 2 | 52 | 4 | June 30, 2015 | 365% over the limit |
| Solids, total suspended | 6 | 153 | 3 | January 31, 2017 | 82% over the limit |
| BOD, 5-day, percent removal | 1 | 28 | 3 | December 31, 2023 | 53% over the limit |
| Enterococci | 0 | 3 | 3 | September 30, 2025 | 244% over the limit |
| pH | 2 | 51 | 1 | August 31, 2024 | |
| Solids, suspended percent removal | 1 | 27 | 1 | December 31, 2023 | 7% over the limit |
| Solids, settleable | 1 | 26 | 1 | July 31, 2011 | 1,567% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 50 | 0 | ||
| Oil and grease, hexane extr method | 0 | 4 | 0 | ||
| Mercury, total [as Hg] | 2 | 2 | 0 | ||
| Priority Pollutants | 2 | 0 | 0 | ||
| Analytical Chemistry | 2 | 0 | 0 | ||
| Coliform, fecal general | 2 | 0 | 0 | ||
| NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulata | 1 | 0 | 0 | ||
| NOAEL Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 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 ME0100064.
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 ME0100064 there.
Nearby on the register
- Discharge permits in Boothbay Harbor
- Every permit record in Boothbay Harbor, A to Z
- Discharge permits in Maine
- Every permit record in Maine, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.