Clean Water Act discharge permit · NPDES NY0030252
SWAN LAKE SD STP, Liberty, NY: NPDES NY0030252 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
SWAN LAKE SD STP, held by LIBERTY (T), holds NPDES permit NY0030252, which discharges to Mongaup R W Br Tr. EPA’s file records it issued August 19, 2015 and expiring March 31, 2021. 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 | SWAN LAKE SD STP |
|---|---|
| Permittee as filed | LIBERTY (T) |
| NPDES ID | NY0030252 |
| 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 | August 19, 2015 |
| Expiration date | March 31, 2021 |
| Issuing agency | NYSDEC |
| Address | Liberty, NY 12754 |
| Receiving water | MONGAUP R W BR TR |
| Subwatershed | West Branch Mongaup River (HUC 020401040103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 15Under a numeric limit
- 14With a violation of any kind
- 11With 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 |
|---|---|---|---|---|---|
| Solids, suspended percent removal | 1 | 82 | 81 | March 31, 2026 | 473% over the limit |
| Phosphorus, total [as P] | 1 | 25 | 24 | October 31, 2025 | 455% over the limit |
| Nitrogen, ammonia, total [as NH3] | 2 | 24 | 23 | July 31, 2026 | 203% over the limit |
| Solids, total suspended | 5 | 26 | 21 | July 31, 2025 | 298% over the limit |
| Coliform, fecal general | 2 | 11 | 10 | July 31, 2025 | 99,999% over the limit |
| Carbonaceous oxygen demand, % removal | 1 | 9 | 8 | April 30, 2024 | 40% over the limit |
| Oxygen demand, ultimate | 4 | 9 | 5 | August 31, 2024 | 103% over the limit |
| Solids, settleable | 2 | 6 | 4 | September 30, 2019 | 7,900% over the limit |
| Oxygen, dissolved [DO] | 1 | 3 | 2 | February 28, 2014 | 14% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 3 | 2 | August 31, 2024 | 15% over the limit |
| pH | 4 | 5 | 1 | September 30, 2025 | |
| BOD, carbonaceous [5 day, 20 C] | 3 | 7 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 3 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 1 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES NY0030252.
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, NY0030252.
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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 NY0030252 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 14, 2026.