Clean Water Act discharge permit · NPDES ME0102318
GRAND ISLE WWTF, Grand Isle, ME: NPDES ME0102318 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
GRAND ISLE WWTF, held by GRAND ISLE TOWN OF, holds NPDES permit ME0102318, which discharges to St John River. EPA’s file records it issued September 1, 2015 and expiring August 31, 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.
Identity
| Facility as filed | GRAND ISLE WWTF |
|---|---|
| Permittee as filed | GRAND ISLE TOWN OF |
| NPDES ID | ME0102318 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 1, 2015 |
| Expiration date | August 31, 2020 |
| Address | Grand Isle, ME 04746 |
| Receiving water | St John River |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 10With a violation of any kind
- 6With 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 | 6 | 141 | 9 | May 31, 2024 | 738% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 140 | 8 | June 30, 2024 | 75% over the limit |
| BOD, 5-day, percent removal | 1 | 8 | 2 | April 30, 2022 | 193% over the limit |
| Solids, suspended percent removal | 1 | 8 | 2 | April 30, 2022 | 513% over the limit |
| pH | 2 | 45 | 1 | December 31, 2005 | |
| Solids, settleable | 1 | 23 | 1 | November 30, 2024 | 200% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 44 | 0 | ||
| Chlorine, total residual | 1 | 21 | 0 | ||
| E. coli, thermotol, MF, MTEC | 4 | 18 | 0 | ||
| Mercury, total [as Hg] | 2 | 9 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 13, 2023 | Management Practice Violations - Failure to Maintain Records | ST6 |
| January 5, 2023 | Management Practice Violations - Failure to Maintain Records | 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.
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, ME0102318.
Start the watch
- 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 ME0102318 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.