Clean Water Act discharge permit · NPDES MA0040482
WEST PARISH WATER TREATMENT PLANT, Westfield, MA: NPDES MA0040482 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
WEST PARISH WATER TREATMENT PLANT, held by West Parish Filters Water Treatment Plant, holds NPDES permit MA0040482, which discharges to Cooks Brook Tributary To Little River. EPA’s file records it issued September 19, 2012 and expiring November 30, 2017. 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 | WEST PARISH WATER TREATMENT PLANT |
|---|---|
| Permittee as filed | West Parish Filters Water Treatment Plant |
| NPDES ID | MA0040482 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 19, 2012 |
| Expiration date | November 30, 2017 |
| Address | Westfield, MA 01085 |
| Receiving water | Cooks Brook Tributary to Little River |
| Subwatershed | Little River (HUC 010802060303) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 19Under a numeric limit
- 6With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| pH | 4 | 4 | 4 | August 31, 2025 | |
| Flow, in conduit or thru treatment plant | 2 | 3 | 1 | June 30, 2023 | 28% over the limit |
| Alkalinity, total [as CaCO3] | 2 | 1 | 0 | ||
| Carbon, tot organic [TOC] | 2 | 1 | 0 | ||
| Solids, total | 1 | 1 | 0 | ||
| Solids, total dissolved | 1 | 1 | 0 | ||
| Specific conductance | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Ammonia, unionized | 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 recoverable | 2 | 0 | 0 | ||
| Aluminum, total [as Al] | 2 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MA0040482.
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, MA0040482.
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 MA0040482 there.
Nearby on the register
- Discharge permits in Westfield
- Every permit record in Westfield, A to Z
- Discharge permits in Massachusetts
- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.