Clean Water Act discharge permit · NPDES NY0022098
TIVOLI (V) WWTP, Tivoli, NY: NPDES NY0022098 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
TIVOLI (V) WWTP, held by TIVOLI (V), holds NPDES permit NY0022098, which discharges to Stony Brook. EPA’s file records it issued February 18, 2021 and expiring March 31, 2026. 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 | TIVOLI (V) WWTP |
|---|---|
| Permittee as filed | TIVOLI (V) |
| NPDES ID | NY0022098 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 18, 2021 |
| Expiration date | March 31, 2026 |
| Issuing agency | NYSDEC |
| Address | Tivoli, NY 12583 |
| Receiving water | STONY BROOK |
| Subwatershed | Stony Creek (HUC 020200061103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 13Under a numeric limit
- 15With a violation of any kind
- 13With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 4 | 53 | 48 | March 31, 2026 | 170% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 35 | 34 | May 31, 2025 | 104,900% over the limit |
| Phosphorus, total [as P] | 1 | 28 | 27 | June 30, 2026 | 260% over the limit |
| Solids, total suspended | 3 | 23 | 18 | April 30, 2025 | 177% over the limit |
| Temperature, water deg. fahrenheit | 2 | 16 | 14 | August 31, 2024 | 10% over the limit |
| Coliform, fecal general | 2 | 11 | 9 | July 31, 2024 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 8 | 8 | June 30, 2026 | 1,239% over the limit |
| Solids, suspended percent removal | 1 | 7 | 4 | March 31, 2026 | 3,633% over the limit |
| Nitrogen, ammonia, total [as NH3] | 0 | 5 | 4 | September 30, 2015 | 285% over the limit |
| Solids, settleable | 1 | 5 | 3 | May 31, 2025 | 2,900% over the limit |
| pH | 2 | 6 | 2 | July 31, 2025 | |
| Carbonaceous oxygen demand, % removal | 1 | 4 | 1 | March 31, 2022 | 27% over the limit |
| Oxygen, dissolved [DO] | 1 | 2 | 1 | June 30, 2020 | 10% over the limit |
| Copper, total [as Cu] | 0 | 4 | 0 | ||
| Chloroform | 0 | 4 | 0 | ||
| Chlorine, total residual | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 3, 2020 | Effluent Violations - Unapproved Bypass | ST6 |
| June 21, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
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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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 NY0022098 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.