Clean Water Act discharge permit · NPDES MAG590014
GREENFIELD W P C P, Greenfield, MA: NPDES MAG590014 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 64Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
GREENFIELD W P C P, held by GREENFIELD WPC, holds NPDES permit MAG590014, which discharges to Deerfield 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 | GREENFIELD W P C P |
|---|---|
| Permittee as filed | GREENFIELD WPC |
| NPDES ID | MAG590014 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 28, 2022 |
| Expiration date | October 31, 2027 |
| Address | Greenfield, MA 01301 |
| Receiving water | DEERFIELD RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Green River (HUC 010802030402) |
| Other EPA IDs (FRS) | RCRA handler MAD980916001 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 64Pollutants on file
- 64Under a numeric limit
- 49With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Nitrogen, total [as N] | 4 | 16 | 16 | July 31, 2026 | 45% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 12 | 12 | September 30, 2024 | 12% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 8 | 8 | May 31, 2025 | 84% over the limit |
| Solids, suspended percent removal | 1 | 8 | 8 | March 31, 2026 | 124% over the limit |
| BOD, 5-day, percent removal | 1 | 7 | 7 | June 30, 2025 | 55% over the limit |
| Solids, total suspended | 6 | 4 | 4 | May 31, 2025 | 231% over the limit |
| pH | 3 | 3 | 3 | July 31, 2025 | |
| Phosphorus, total [as P] | 3 | 2 | 2 | September 30, 2025 | 16% over the limit |
| Chlorine, total residual | 2 | 2 | 2 | April 30, 2026 | 11% over the limit |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | 3 | 3 | 0 | ||
| Perfluorobutanoic acid (PFBA) | 3 | 2 | 0 | ||
| Perfluoropentanoic acid (PFPeA) | 3 | 2 | 0 | ||
| Perfluorohexanoic acid (PFHxA) | 3 | 2 | 0 | ||
| Perfluorotridecanoic acid (PFTrDA) | 3 | 2 | 0 | ||
| Perfluorotetradecanoic acid (PFTeDA) | 3 | 2 | 0 | ||
| N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | 3 | 2 | 0 | ||
| Perfluorodecanesulfonic acid (PFDS) | 3 | 2 | 0 | ||
| Perfluorohexanesulfonic acid (PFHxS) | 3 | 2 | 0 | ||
| Perfluorooctanesulfonic acid (PFOS) | 3 | 2 | 0 | ||
| N-ethyl perfluorooctanesulfonamide (NEtFOSA) | 3 | 2 | 0 | ||
| Perfluoro-3-methoxypropanoic acid (PFMPA) | 3 | 2 | 0 | ||
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | 3 | 2 | 0 | ||
| Perfluorooctanoic acid (PFOA) | 3 | 1 | 0 | ||
| Perfluorooctanesulfonamide (PFOSA) | 3 | 1 | 0 | ||
| Perfluoroheptanoic acid (PFHpA) | 3 | 1 | 0 | ||
| Perfluorononanoic acid (PFNA) | 3 | 1 | 0 | ||
| Perfluorodecanoic acid (PFDA) | 3 | 1 | 0 | ||
| Perfluoroundecanoic acid (PFUnA) | 3 | 1 | 0 | ||
| Perfluorododecanoic acid (PFDoA) | 3 | 1 | 0 | ||
| N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | 3 | 1 | 0 | ||
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | 3 | 1 | 0 | ||
| Perfluorobutanesulfonic acid (PFBS) | 3 | 1 | 0 | ||
| Perfluoroheptanesulfonic acid (PFHpS) | 3 | 1 | 0 | ||
| 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) | 3 | 1 | 0 | ||
| 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) | 3 | 1 | 0 | ||
| 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) | 3 | 1 | 0 | ||
| Perfluoropentanesulfonic acid (PFPeS) | 3 | 1 | 0 | ||
| Perfluorononanesulfonic acid (PFNS) | 3 | 1 | 0 | ||
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | 3 | 1 | 0 | ||
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | 3 | 1 | 0 | ||
| Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA) | 3 | 1 | 0 | ||
| Perfluorododecanesulfonic acid (PFDoS) | 3 | 1 | 0 | ||
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | 3 | 1 | 0 | ||
| N-methyl perfluorooctanesulfonamide (NMeFOSA) | 3 | 1 | 0 | ||
| 3-Perfluoropropyl propanoic acid (3:3 FTCA) | 3 | 1 | 0 | ||
| 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS) | 3 | 1 | 0 | ||
| 3-Perfluoroheptyl propanoic acid (7:3 FTCA) | 3 | 1 | 0 | ||
| Perfluoro-4-methoxybutanoic acid (PFMBA) | 3 | 1 | 0 | ||
| 2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA) | 3 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Carbon, tot organic [TOC] | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 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 | ||
| Aluminum, total [as Al] | 2 | 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 MAG590014.
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.