Clean Water Act discharge permit · NPDES ME0100595
ROCKLAND WWTF, Rockland, ME: NPDES ME0100595 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 20Pollutants under a numeric limit
- 14Pollutants with an effluent exceedance
ROCKLAND WWTF, held by ROCKLAND CITY OF, holds NPDES permit ME0100595, which discharges to Rockland Harbor. EPA’s file records it issued January 1, 2008 and expiring December 31, 2012. 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 | ROCKLAND WWTF |
|---|---|
| Permittee as filed | ROCKLAND CITY OF |
| NPDES ID | ME0100595 |
| 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 | January 1, 2008 |
| Expiration date | December 31, 2012 |
| Address | Rockland, ME 04841 |
| Receiving water | Rockland Harbor |
| Subwatershed | Penobscot Bay Frontal Drainages (HUC 010500021907) |
| Other EPA IDs (FRS) | RCRA handler MED000639096 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 24Pollutants on file
- 20Under a numeric limit
- 24With a violation of any kind
- 14With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 10 | 245 | 87 | May 31, 2026 | 1,078% over the limit |
| BOD, 5-day, 20 deg. C | 10 | 234 | 25 | April 30, 2022 | 294% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 4 | 41 | 24 | July 31, 2019 | 99,999% over the limit |
| Chlorine, total residual | 6 | 71 | 23 | August 31, 2023 | 7,547% over the limit |
| Solids, settleable | 1 | 83 | 21 | September 30, 2019 | 23,567% over the limit |
| Coliform, fecal general | 0 | 39 | 14 | August 31, 2006 | 99,999% over the limit |
| Solids, suspended percent removal | 3 | 92 | 10 | February 29, 2020 | 500% over the limit |
| Cyanide, free available | 2 | 14 | 4 | July 31, 2008 | 108% over the limit |
| Flow, in conduit or thru treatment plant | 8 | 108 | 3 | December 31, 2007 | 12% over the limit |
| pH | 2 | 91 | 3 | September 30, 2020 | |
| Copper, total [as Cu] | 2 | 39 | 3 | March 31, 2007 | 92% over the limit |
| Cyanide, total [as CN] | 0 | 25 | 3 | December 31, 2007 | 456% over the limit |
| BOD, 5-day, percent removal | 3 | 68 | 1 | March 31, 2020 | 11% over the limit |
| Arsenic, total [as As] | 1 | 31 | 1 | March 31, 2007 | 19% over the limit |
| Overflows | 2 | 38 | 0 | ||
| Noael Static 48Hr Acute Mysid. Bahia | 3 | 18 | 0 | ||
| NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulata | 2 | 18 | 0 | ||
| Surface loading rate | 2 | 15 | 0 | ||
| Priority Pollutants | 1 | 13 | 0 | ||
| Noel Statre 7Day Chronic Menidia | 0 | 12 | 0 | ||
| NOAEL Static 48Hr Acute Menidia sp. | 0 | 12 | 0 | ||
| Analytical Chemistry | 2 | 6 | 0 | ||
| Flow rate, instantaneous | 1 | 5 | 0 | ||
| Mercury, total [as Hg] | 2 | 4 | 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 ME0100595.
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 ME0100595 there.
Nearby on the register
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- Every permit record in Maine, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.