Clean Water Act discharge permit · NPDES ME0102075
EAST END WWTF, Portland, ME: NPDES ME0102075 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 17Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
EAST END WWTF, held by PORTLAND WATER DISTRICT, holds NPDES permit ME0102075, which discharges to Casco Bay. EPA’s file records it issued September 1, 2011 and expiring August 31, 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.
Identity
| Facility as filed | EAST END WWTF |
|---|---|
| Permittee as filed | PORTLAND WATER DISTRICT |
| NPDES ID | ME0102075 |
| 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 | September 1, 2011 |
| Expiration date | August 31, 2016 |
| Address | Portland, ME 04104 |
| Receiving water | Casco Bay |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Fore River (HUC 010600010402) |
| Program components on file | CSO, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler MED000791566; ICIS-AIR source ME0000002300500275 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 18Pollutants on file
- 17Under a numeric limit
- 16With a violation of any kind
- 7With 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 general | 4 | 142 | 122 | December 31, 2025 | 99,999% over the limit |
| Solids, total suspended | 13 | 77 | 42 | September 30, 2025 | 472% over the limit |
| BOD, 5-day, 20 deg. C | 13 | 71 | 26 | September 30, 2025 | 164% over the limit |
| Solids, settleable | 1 | 30 | 23 | March 31, 2025 | 69,900% over the limit |
| Chlorine, total residual | 4 | 27 | 9 | January 31, 2025 | 1,127% over the limit |
| Solids, suspended percent removal | 2 | 14 | 3 | January 31, 2023 | 67% over the limit |
| BOD, 5-day, percent removal | 2 | 12 | 1 | July 31, 2016 | 33% over the limit |
| Flow, in conduit or thru treatment plant | 5 | 37 | 0 | ||
| pH | 3 | 19 | 0 | ||
| NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulata | 2 | 10 | 0 | ||
| NOAEL Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 2 | 10 | 0 | ||
| Priority pollutants scan [yes/no] | 0 | 7 | 0 | ||
| Priority Pollutants | 1 | 4 | 0 | ||
| Overflows | 2 | 3 | 0 | ||
| Surface loading rate | 1 | 3 | 0 | ||
| Analytical Chemistry | 2 | 2 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Flow rate | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 5, 2018 | WW CSO - Dry weather overflow | ST6 |
| August 14, 2018 | Effluent Violations - Numeric effluent violation | ST6 |
| July 25, 2018 | Effluent Violations - Unapproved Bypass | ST6 |
| November 8, 2017 | WW CSO - Dry weather overflow | ST6 |
| July 24, 2017 | Effluent Violations - Numeric effluent violation | ST6 |
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.
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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 ME0102075 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.