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Clean Water Act discharge permit · NPDES FL0000817

TAMPA ELECTRIC CO BIG BEND POWER STATION, Gibsonton, FL: NPDES FL0000817 discharge permit, effluent exceedances, inspections, penalties

TAMPA ELECTRIC CO BIG BEND POWER STATION, held by Tampa Electric Company (Teco), holds NPDES permit FL0000817, which discharges to Hillsborough Bay Class Iii Marine Wbid 1558d. EPA’s file records it issued December 30, 2011 and expiring December 29, 2016. 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 filedTAMPA ELECTRIC CO BIG BEND POWER STATION
Permittee as filedTampa Electric Company (Teco)
NPDES IDFL0000817
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 30, 2011
Expiration dateDecember 29, 2016
Issuing agencyFlorida Department of Environmental Protection
AddressGibsonton, FL 33534
Receiving waterHillsborough Bay Class III Marine WBID 1558D
SubwatershedKitchen Branch-Wolf Branch Frontal (HUC 031002060402)
NAICS221111 – Hydroelectric Power Generation
SIC4911 – Electric Services
Other EPA IDs (FRS)RCRA handler FLD000654640; ICIS-AIR source FL0000001205700039

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, total [as N]41111December 31, 2011114% over the limit
Oxygen, dissolved [DO]131810October 31, 20112,147,483,650% over the limit
Solids, total suspended177December 31, 2018107% over the limit
Oxygen, dissolved percent saturation455October 31, 201828% over the limit
Mercury, total recoverable322December 31, 2016380% over the limit
pH410
Temperature, water deg. fahrenheit210
Alpha, gross particle activity110
Flow, in conduit or thru treatment plant400
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)400
IC25 Static Renewal 7 Day Chronic Menidia menidia400
Temp. diff. between intake and discharge200
Oil & Grease100
Nitrogen, ammonia total [as N]100
Nitrogen, Kjeldahl, total [as N]100
Nitrite + Nitrate total [as N]100
Arsenic, total recoverable100
Selenium, total recoverable100
Nickel, total recoverable100
Lead, total recoverable100
Chromium, total recoverable100
Copper, total recoverable100
Radium 226 + radium 228, total100

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

DateWhat EPA recordedAgency
October 14, 2024Effluent Violations - Industrial SpillST6
September 4, 2024Effluent Violations - Industrial SpillST6
August 5, 2024Effluent Violations - Industrial SpillST6
August 30, 2023WW SSO - Discharge to WatersST6
April 27, 2023WW SSO - Discharge to WatersST6
November 17, 2022WW SSO - Overflow to Dry Land or Building BackupST6
June 9, 2021WW SSO - Discharge to WatersST6
January 4, 2021WW SSO - Discharge to WatersST6
October 16, 2019WW SSO - Overflow to Dry Land or Building BackupST6

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 October 14, 2026.

What this page shows

This public-records page covers the Clean Water Act NPDES discharge permit FL0000817 held by Tampa Electric Company for TAMPA ELECTRIC CO BIG BEND POWER STATION in Gibsonton, FL, which discharges to Hillsborough Bay Class III Marine WBID 1558D. The page lists a Major Discharger class, 23 pollutants under a numeric limit, and 5 pollutants with an effluent exceedance.