Clean Water Act discharge permit · NPDES NY0145696
MOUNTAIN DALE WWTP, Mountain Dale, NY: NPDES NY0145696 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 18Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
MOUNTAIN DALE WWTP, held by FALLSBURG (T), holds NPDES permit NY0145696, which discharges to Sandburg Ck. EPA’s file records it issued December 3, 2018 and expiring April 30, 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 | MOUNTAIN DALE WWTP |
|---|---|
| Permittee as filed | FALLSBURG (T) |
| NPDES ID | NY0145696 |
| 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 3, 2018 |
| Expiration date | April 30, 2024 |
| Issuing agency | NYSDEC |
| Address | Mountain Dale, NY 12763 |
| Receiving water | SANDBURG CK |
| Subwatershed | Sandburg Creek (HUC 020200070504) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 18Under a numeric limit
- 18With 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 |
|---|---|---|---|---|---|
| Oxygen demand, ultimate | 2 | 56 | 44 | July 31, 2026 | 583% over the limit |
| Solids, total suspended | 5 | 50 | 24 | September 30, 2025 | 247% over the limit |
| Solids, suspended percent removal | 1 | 21 | 15 | September 30, 2025 | 953% over the limit |
| Oxygen, dissolved [DO] | 1 | 10 | 7 | July 31, 2022 | 50% over the limit |
| Nitrogen, ammonia, total [as NH3] | 1 | 13 | 6 | August 31, 2025 | 331% over the limit |
| Coliform, fecal general | 2 | 18 | 4 | July 31, 2023 | 1,091% over the limit |
| Chlorine, total residual | 1 | 9 | 4 | May 31, 2023 | 310% over the limit |
| pH | 4 | 13 | 3 | September 30, 2023 | |
| Solids, settleable | 2 | 8 | 1 | June 30, 2004 | 2,400% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 4 | 1 | November 30, 2008 | 122% over the limit |
| Carbonaceous oxygen demand, % removal | 1 | 4 | 1 | September 30, 2020 | 93% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 2 | 11 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 6 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 3 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 1 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 30, 2025 | Effluent Violations - Numeric effluent violation | EP6 |
| May 30, 2025 | Management Practice Violations - Improper Operation and Maintenance | EP6 |
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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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.