Clean Water Act discharge permit · NPDES MAG580006
DOUGLAS W W T P, East Douglas, MA: NPDES MAG580006 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 30Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
DOUGLAS W W T P, held by Douglas W W TF, holds NPDES permit MAG580006. EPA’s file records it issued September 28, 2021 and expiring November 30, 2026. 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 | DOUGLAS W W T P |
|---|---|
| Permittee as filed | Douglas W W TF |
| NPDES ID | MAG580006 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 28, 2021 |
| Expiration date | November 30, 2026 |
| Address | East Douglas, MA 01516 |
| Subwatershed | Mumford River (HUC 010900030104) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 30Pollutants on file
- 30Under a numeric limit
- 30With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 3 | 25 | 10 | July 31, 2026 | 101% over the limit |
| Phosphorus, total [as P] | 6 | 38 | 9 | July 31, 2026 | 168% over the limit |
| BOD, 5-day, 20 deg. C | 11 | 58 | 4 | June 30, 2026 | 147% over the limit |
| Solids, total suspended | 11 | 56 | 2 | May 31, 2026 | 41% over the limit |
| Aluminum, total [as Al] | 5 | 26 | 1 | April 30, 2022 | 131% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 4 | 1 | December 31, 2022 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 27 | 0 | ||
| pH | 3 | 22 | 0 | ||
| Nitrogen, total [as N] | 2 | 18 | 0 | ||
| E. coli | 2 | 18 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 9 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 9 | 0 | ||
| BOD, 5-day, percent removal | 1 | 9 | 0 | ||
| Solids, suspended percent removal | 1 | 9 | 0 | ||
| Carbon, tot organic [TOC] | 2 | 7 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 7 | 0 | ||
| Cadmium, total [as Cd] | 2 | 7 | 0 | ||
| Copper, total [as Cu] | 2 | 7 | 0 | ||
| Lead, total [as Pb] | 2 | 7 | 0 | ||
| Nickel, total [as Ni] | 2 | 7 | 0 | ||
| Zinc, total [as Zn] | 2 | 7 | 0 | ||
| Carbon, dissolved organic [as C] | 1 | 5 | 0 | ||
| Temperature, water deg. centigrade | 1 | 4 | 0 | ||
| Perfluorooctanoic acid (PFOA) | 3 | 3 | 0 | ||
| Perfluoroheptanoic acid (PFHpA) | 3 | 3 | 0 | ||
| Perfluorononanoic acid (PFNA) | 3 | 3 | 0 | ||
| Perfluorodecanoic acid (PFDA) | 3 | 3 | 0 | ||
| Perfluorohexanesulfonic acid (PFHxS) | 3 | 3 | 0 | ||
| Perfluorooctanesulfonic acid (PFOS) | 3 | 3 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 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 MAG580006.
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 MAG580006 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.