Clean Water Act discharge permit · NPDES MAG590022
EASTHAMPTON W W T F, Easthampton, MA: NPDES MAG590022 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 63Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
EASTHAMPTON W W T F, held by EASTHAMPTON WWTP, holds NPDES permit MAG590022, which discharges to Connecticut River And Manhan 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 | EASTHAMPTON W W T F |
|---|---|
| Permittee as filed | EASTHAMPTON WWTP |
| NPDES ID | MAG590022 |
| 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 | Easthampton, MA 01027 |
| Receiving water | CONNECTICUT RIVER AND MANHAN RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Manhan River (HUC 010802010609) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 63Pollutants on file
- 63Under a numeric limit
- 18With 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; the 60 with the most exceedances of 63 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| E. coli | 4 | 18 | 18 | September 30, 2025 | 5,051% over the limit |
| BOD, 5-day, percent removal | 2 | 7 | 7 | July 31, 2026 | 108% over the limit |
| Solids, total suspended | 13 | 5 | 5 | May 31, 2026 | 42% over the limit |
| BOD, 5-day, 20 deg. C | 13 | 4 | 4 | September 30, 2025 | 43% over the limit |
| Chlorine, total residual | 4 | 4 | 4 | August 31, 2025 | 85% over the limit |
| pH | 6 | 1 | 1 | March 31, 2024 | |
| Solids, suspended percent removal | 2 | 1 | 1 | May 31, 2026 | 16% over the limit |
| Perfluorooctanoic acid (PFOA) | 3 | 2 | 0 | ||
| Perfluoropentanoic acid (PFPeA) | 3 | 2 | 0 | ||
| Perfluorohexanoic acid (PFHxA) | 3 | 2 | 0 | ||
| Perfluorobutanesulfonic acid (PFBS) | 3 | 2 | 0 | ||
| Perfluorohexanesulfonic acid (PFHxS) | 3 | 2 | 0 | ||
| Perfluorooctanesulfonic acid (PFOS) | 3 | 2 | 0 | ||
| Aluminum, total [as Al] | 5 | 1 | 0 | ||
| Perfluorooctanesulfonamide (PFOSA) | 3 | 1 | 0 | ||
| Perfluoroheptanoic acid (PFHpA) | 3 | 1 | 0 | ||
| Perfluorononanoic acid (PFNA) | 3 | 1 | 0 | ||
| Carbon, dissolved organic [as C] | 2 | 1 | 0 | ||
| Nitrogen, total [as N] | 8 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 8 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 8 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 7 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 0 | 0 | ||
| Carbon, tot organic [TOC] | 4 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 4 | 0 | 0 | ||
| Cadmium, total [as Cd] | 4 | 0 | 0 | ||
| Copper, total [as Cu] | 4 | 0 | 0 | ||
| Lead, total [as Pb] | 4 | 0 | 0 | ||
| Nickel, total [as Ni] | 4 | 0 | 0 | ||
| Zinc, total [as Zn] | 4 | 0 | 0 | ||
| Perfluorobutanoic acid (PFBA) | 3 | 0 | 0 | ||
| Perfluorodecanoic acid (PFDA) | 3 | 0 | 0 | ||
| Perfluoroundecanoic acid (PFUnA) | 3 | 0 | 0 | ||
| Perfluorododecanoic acid (PFDoA) | 3 | 0 | 0 | ||
| Perfluorotridecanoic acid (PFTrDA) | 3 | 0 | 0 | ||
| Perfluorotetradecanoic acid (PFTeDA) | 3 | 0 | 0 | ||
| N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | 3 | 0 | 0 | ||
| N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | 3 | 0 | 0 | ||
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | 3 | 0 | 0 | ||
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | 3 | 0 | 0 | ||
| Perfluorodecanesulfonic acid (PFDS) | 3 | 0 | 0 | ||
| Perfluoroheptanesulfonic acid (PFHpS) | 3 | 0 | 0 | ||
| 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) | 3 | 0 | 0 | ||
| 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) | 3 | 0 | 0 | ||
| 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) | 3 | 0 | 0 | ||
| Perfluoropentanesulfonic acid (PFPeS) | 3 | 0 | 0 | ||
| Perfluorononanesulfonic acid (PFNS) | 3 | 0 | 0 | ||
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | 3 | 0 | 0 | ||
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | 3 | 0 | 0 | ||
| Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA) | 3 | 0 | 0 | ||
| Perfluorododecanesulfonic acid (PFDoS) | 3 | 0 | 0 | ||
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | 3 | 0 | 0 | ||
| N-methyl perfluorooctanesulfonamide (NMeFOSA) | 3 | 0 | 0 | ||
| N-ethyl perfluorooctanesulfonamide (NEtFOSA) | 3 | 0 | 0 | ||
| 3-Perfluoropropyl propanoic acid (3:3 FTCA) | 3 | 0 | 0 | ||
| Perfluoro-3-methoxypropanoic acid (PFMPA) | 3 | 0 | 0 | ||
| 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS) | 3 | 0 | 0 | ||
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | 3 | 0 | 0 | ||
| 3-Perfluoroheptyl propanoic acid (7:3 FTCA) | 3 | 0 | 0 | ||
| Perfluoro-4-methoxybutanoic acid (PFMBA) | 3 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MAG590022.
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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Nearby on the register
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- Every permit record in Easthampton, A to Z
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- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.