Clean Water Act discharge permit · NPDES FL0186813
TAMPA BAY WATER SEAWATER DESALINATION FACILITY, Gibsonton, FL: NPDES FL0186813 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
TAMPA BAY WATER SEAWATER DESALINATION FACILITY, held by Tampa Bay Water, holds NPDES permit FL0186813, which discharges to Hillsborough Bay Class Iii Marine. EPA’s file records it issued June 15, 2018 and expiring August 15, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TAMPA BAY WATER SEAWATER DESALINATION FACILITY |
|---|---|
| Permittee as filed | Tampa Bay Water |
| NPDES ID | FL0186813 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 15, 2018 |
| Expiration date | August 15, 2023 |
| Issuing agency | Florida Department of Environmental Protection |
| Address | Gibsonton, FL 33534 |
| Receiving water | Hillsborough Bay Class III Marine |
| Subwatershed | Kitchen Branch-Wolf Branch Frontal (HUC 031002060402) |
| NAICS | 221310 – Water Supply and Irrigation Systems |
| SIC | 4941 – Water Supply |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 19Pollutants on file
- 15Under a numeric limit
- 18With 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 |
|---|---|---|---|---|---|
| Dilution factor | 2 | 43 | 23 | February 28, 2026 | 100% over the limit |
| pH | 2 | 28 | 10 | April 30, 2015 | |
| Copper, total recoverable | 1 | 17 | 9 | October 31, 2012 | 2,843% over the limit |
| Iron, total recoverable | 1 | 14 | 5 | April 30, 2007 | 167% over the limit |
| Oxygen, dissolved [DO] | 2 | 22 | 4 | November 30, 2005 | 99,999% over the limit |
| Noel Statre 7Day Chronic Menidia | 0 | 12 | 3 | September 30, 2010 | 99,999% over the limit |
| IC25 Static Renewal 7 Day Chronic Menidia menidia | 3 | 6 | 3 | November 30, 2018 | 96% over the limit |
| Salinity | 1 | 11 | 2 | May 31, 2007 | 35% over the limit |
| Radium 226 + radium 228, total | 1 | 10 | 2 | January 31, 2017 | 12% over the limit |
| Nickel, total recoverable | 0 | 10 | 2 | April 30, 2012 | 67% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 20 | 1 | May 31, 2008 | 1% over the limit |
| NOEL Static Renewal 7Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 0 | 9 | 1 | October 31, 2010 | 99,999% over the limit |
| IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 3 | 4 | 1 | January 31, 2014 | 5% over the limit |
| Duration of discharge | 2 | 16 | 0 | ||
| Alpha, gross particle activity | 1 | 9 | 0 | ||
| Chloride, dissolved in water | 0 | 8 | 0 | ||
| Specific conductance | 1 | 1 | 0 | ||
| Mercury, total recoverable | 1 | 1 | 0 | ||
| Chloride [as Cl] | 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 FL0186813.
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 FL0186813 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.