Clean Water Act discharge permit · NPDES MAG590035
NEWBURYPORT W P C F, Newburyport, MA: NPDES MAG590035 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 64Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
NEWBURYPORT W P C F holds NPDES permit MAG590035, which discharges to Merrimack River. EPA’s file records it issued September 28, 2022 and expiring October 31, 2027. 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 | NEWBURYPORT W P C F |
|---|---|
| Permittee as filed | NEWBURYPORT W P C F |
| NPDES ID | MAG590035 |
| 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, 2022 |
| Expiration date | October 31, 2027 |
| Address | Newburyport, MA 01950 |
| Receiving water | MERRIMACK RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | East Meadow River-Merrimack River (HUC 010700061404) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 64Pollutants on file
- 64Under a numeric limit
- 45With a violation of any kind
- 4With 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; the 60 with the most exceedances of 64 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 6 | 7 | 2 | January 31, 2024 | 7% over the limit |
| Solids, total suspended | 6 | 1 | 1 | January 31, 2024 | 13% over the limit |
| pH | 3 | 1 | 1 | June 30, 2024 | |
| Solids, suspended percent removal | 1 | 1 | 1 | January 31, 2024 | 13% over the limit |
| Perfluorooctanoic acid (PFOA) | 3 | 3 | 0 | ||
| Perfluorobutanoic acid (PFBA) | 3 | 3 | 0 | ||
| Perfluorooctanesulfonamide (PFOSA) | 3 | 3 | 0 | ||
| Perfluoropentanoic acid (PFPeA) | 3 | 3 | 0 | ||
| Perfluorohexanoic acid (PFHxA) | 3 | 3 | 0 | ||
| Perfluoroheptanoic acid (PFHpA) | 3 | 3 | 0 | ||
| Perfluorononanoic acid (PFNA) | 3 | 3 | 0 | ||
| Perfluorodecanoic acid (PFDA) | 3 | 3 | 0 | ||
| Perfluoroundecanoic acid (PFUnA) | 3 | 3 | 0 | ||
| Perfluorododecanoic acid (PFDoA) | 3 | 3 | 0 | ||
| Perfluorotridecanoic acid (PFTrDA) | 3 | 3 | 0 | ||
| Perfluorotetradecanoic acid (PFTeDA) | 3 | 3 | 0 | ||
| N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | 3 | 3 | 0 | ||
| N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | 3 | 3 | 0 | ||
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | 3 | 3 | 0 | ||
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | 3 | 3 | 0 | ||
| Perfluorobutanesulfonic acid (PFBS) | 3 | 3 | 0 | ||
| Perfluorodecanesulfonic acid (PFDS) | 3 | 3 | 0 | ||
| Perfluoroheptanesulfonic acid (PFHpS) | 3 | 3 | 0 | ||
| Perfluorohexanesulfonic acid (PFHxS) | 3 | 3 | 0 | ||
| Perfluorooctanesulfonic acid (PFOS) | 3 | 3 | 0 | ||
| 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) | 3 | 3 | 0 | ||
| 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) | 3 | 3 | 0 | ||
| 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) | 3 | 3 | 0 | ||
| Perfluoropentanesulfonic acid (PFPeS) | 3 | 3 | 0 | ||
| Perfluorononanesulfonic acid (PFNS) | 3 | 3 | 0 | ||
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | 3 | 3 | 0 | ||
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | 3 | 3 | 0 | ||
| Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA) | 3 | 3 | 0 | ||
| Perfluorododecanesulfonic acid (PFDoS) | 3 | 3 | 0 | ||
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | 3 | 3 | 0 | ||
| N-methyl perfluorooctanesulfonamide (NMeFOSA) | 3 | 3 | 0 | ||
| N-ethyl perfluorooctanesulfonamide (NEtFOSA) | 3 | 3 | 0 | ||
| 3-Perfluoropropyl propanoic acid (3:3 FTCA) | 3 | 3 | 0 | ||
| Perfluoro-3-methoxypropanoic acid (PFMPA) | 3 | 3 | 0 | ||
| 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS) | 3 | 3 | 0 | ||
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | 3 | 3 | 0 | ||
| 3-Perfluoroheptyl propanoic acid (7:3 FTCA) | 3 | 3 | 0 | ||
| Perfluoro-4-methoxybutanoic acid (PFMBA) | 3 | 3 | 0 | ||
| 2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA) | 3 | 3 | 0 | ||
| BOD, 5-day, percent removal | 1 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 0 | 0 | ||
| Nitrogen, total [as N] | 3 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 3 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Carbon, tot organic [TOC] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 0 | 0 | ||
| Enterococci | 2 | 0 | 0 | ||
| Coliform, fecal general | 2 | 0 | 0 | ||
| Temperature, water deg. centigrade | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 31, 2024 | PR: Failure to issue/reissue control mechanisms to at least 90% of SIU/CIUs w/in 6 months (Level II) | EP6 |
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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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.