Clean Water Act discharge permit · NPDES NY0107565
MONTGOMERY CO SD#1 STP, Nelliston, NY: NPDES NY0107565 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 11Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
MONTGOMERY CO SD#1 STP, held by MONTGOMERY CO SD#1, holds NPDES permit NY0107565, which discharges to Mohawk R. EPA’s file records it issued June 17, 2011 and expiring July 31, 2016. 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 | MONTGOMERY CO SD#1 STP |
|---|---|
| Permittee as filed | MONTGOMERY CO SD#1 |
| NPDES ID | NY0107565 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 17, 2011 |
| Expiration date | July 31, 2016 |
| Issuing agency | NYSDEC |
| Address | Nelliston, NY 13410 |
| Receiving water | MOHAWK R |
| Subwatershed | Mother Creek-Mohawk River (HUC 020200040909) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 11Under a numeric limit
- 9With 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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 1 | 27 | 27 | March 31, 2023 | 70% over the limit |
| Solids, total suspended | 5 | 22 | 14 | August 31, 2021 | 417% over the limit |
| Coliform, fecal general | 2 | 5 | 5 | September 30, 2022 | 99,999% over the limit |
| Solids, settleable | 2 | 4 | 3 | March 31, 2011 | 733% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 3 | 3 | March 31, 2008 | 179% over the limit |
| Solids, suspended percent removal | 1 | 3 | 3 | August 31, 2021 | 33% over the limit |
| Chlorine, total residual | 1 | 1 | 1 | August 31, 2025 | 10% over the limit |
| pH | 6 | 2 | 0 | ||
| Mercury, total [as Hg] | 0 | 2 | 0 | ||
| Temperature, water deg. centigrade | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| BOD, 5-day, percent removal | 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
- 13Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 7, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| February 18, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| October 26, 2021 | Effluent Violations - Unapproved Bypass | ST6 |
| September 15, 2021 | Effluent Violations - Unapproved Bypass | ST6 |
| August 4, 2020 | Effluent Violations - Unapproved Bypass | ST6 |
| April 27, 2020 | Effluent Violations - Unapproved Bypass | ST6 |
| February 27, 2020 | Effluent Violations - Unapproved Bypass | ST6 |
| November 1, 2019 | Effluent Violations - Unapproved Bypass | ST6 |
| October 31, 2019 | Effluent Violations - Unapproved Bypass | ST6 |
| October 16, 2019 | Effluent Violations - Unapproved Bypass | ST6 |
| April 20, 2019 | Effluent Violations - Unapproved Bypass | ST6 |
| February 8, 2019 | Effluent Violations - Unapproved Bypass | ST6 |
| January 23, 2019 | Effluent Violations - Unapproved Bypass | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 NY0107565 there.
Nearby on the register
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- Every permit record in New York, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.