Clean Water Act discharge permit · NPDES NY0026433
MONTGOMERY (V) STP, Montgomery, NY: NPDES NY0026433 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
MONTGOMERY (V) STP, held by MONTGOMERY (V), holds NPDES permit NY0026433, which discharges to Wallkill R. EPA’s file records it issued December 10, 2018 and expiring May 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MONTGOMERY (V) STP |
|---|---|
| Permittee as filed | MONTGOMERY (V) |
| NPDES ID | NY0026433 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 10, 2018 |
| Expiration date | May 31, 2024 |
| Issuing agency | NYSDEC |
| Address | Montgomery, NY 12549 |
| Receiving water | WALLKILL R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Muddy Kill-Wallkill River (HUC 020200070405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 10With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 1 | 25 | 24 | March 31, 2026 | 482% over the limit |
| Chlorine, total residual | 1 | 7 | 6 | June 30, 2026 | 925% over the limit |
| Coliform, fecal general | 2 | 13 | 5 | May 31, 2025 | 3,903% over the limit |
| Solids, suspended percent removal | 1 | 4 | 3 | June 30, 2025 | 240% over the limit |
| BOD, 5-day, percent removal | 1 | 4 | 2 | March 31, 2024 | 93% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 11 | 0 | ||
| Solids, total suspended | 5 | 9 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 1 | 0 | ||
| Solids, settleable | 1 | 1 | 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 NY0026433.
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 NY0026433 there.
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- Every permit record in New York, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.