Clean Water Act discharge permit · NPDES FL0000647
TRADEMARK NITROGEN CORPORATION, Tampa, FL: NPDES FL0000647 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
TRADEMARK NITROGEN CORPORATION holds NPDES permit FL0000647, which discharges to Mckay Bay Class Iii Marine Wbid 1584b. EPA’s file records it issued April 18, 2019 and expiring August 9, 2024. 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 | TRADEMARK NITROGEN CORPORATION |
|---|---|
| Permittee as filed | TRADEMARK NITROGEN CORPORATION |
| NPDES ID | FL0000647 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 18, 2019 |
| Expiration date | August 9, 2024 |
| Issuing agency | Florida Department of Environmental Protection |
| Address | Tampa, FL 33619 |
| Receiving water | McKay Bay Class III Marine WBID 1584B |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Palm River (HUC 031002060301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 17Pollutants on file
- 13Under a numeric limit
- 17With 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 |
|---|---|---|---|---|---|
| Ammonia, unionized | 0 | 7 | 5 | May 31, 2013 | 1,400% over the limit |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 3 | 18 | 3 | November 30, 2024 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 1 | 7 | 3 | March 31, 2009 | 8% over the limit |
| Nitrogen, total [as N] | 5 | 22 | 2 | September 30, 2004 | 90% over the limit |
| Oxygen, dissolved percent saturation | 2 | 10 | 2 | March 31, 2026 | 32% over the limit |
| Solids, total suspended | 2 | 10 | 2 | November 30, 2013 | 29% over the limit |
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 3 | 13 | 1 | September 30, 2020 | 86% over the limit |
| pH | 2 | 11 | 1 | October 31, 2025 | |
| Temperature, water deg. centigrade | 2 | 9 | 1 | March 31, 2026 | 4% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 1 | 1 | August 31, 2006 | 99,999% over the limit |
| Noel Statre 7Day Chronic Pimephales | 0 | 1 | 1 | August 31, 2006 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 5 | 17 | 0 | ||
| Specific conductance | 2 | 8 | 0 | ||
| Nitrogen, nitrate total [as N] | 2 | 8 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas | 0 | 2 | 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 FL0000647.
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 FL0000647 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.