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Clean Water Act discharge permit · NPDES FL0000078

MOSAIC FERTILIZER, LLC - PLANT CITY OPERATIONS, Plant City, FL: NPDES FL0000078 discharge permit, effluent exceedances, inspections, penalties

MOSAIC FERTILIZER, LLC - PLANT CITY OPERATIONS, held by Mosaic Fertilizer, L.L.C., holds NPDES permit FL0000078, which discharges to Big Ditch Wbid 1469, Tributary Of Hillsborough R. EPA’s file records it issued June 16, 2014 and expiring June 15, 2019. 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 filedMOSAIC FERTILIZER, LLC - PLANT CITY OPERATIONS
Permittee as filedMosaic Fertilizer, L.L.C.
NPDES IDFL0000078
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
IssuedJune 16, 2014
Expiration dateJune 15, 2019
Issuing agencyFlorida Department of Environmental Protection
AddressPlant City, FL 33565
Receiving waterBig Ditch WBID 1469, tributary of Hillsborough R
SubwatershedBranch Borough Channel (HUC 031002050202)
Other EPA IDs (FRS)RCRA handler FLD046088829; ICIS-AIR source FL0000001205700005

Cited to the EPA ICIS-NPDES permit file (ECHO 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
Oxygen, dissolved percent saturation4104September 30, 201583% over the limit
Ammonia, unionized2104October 31, 20213,300% over the limit
pH2122August 31, 2015
Phosphorus, total [as P]7141September 30, 201720% over the limit
Phosphorous, in total orthophosphate271September 30, 201758% over the limit
Oxygen, dissolved [DO]061September 30, 200428% over the limit
Turbidity451September 30, 2009
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia011December 31, 202118% over the limit
Specific conductance4210
Nitrogen, total [as N]7130
LC50 Static Renewal 96Hr Acute Cyprinella leedsi680
LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia670
Temperature, water deg. centigrade260
Nitrogen, ammonia total [as N]260
Fluoride, total [as F]260
Flow, in conduit or thru treatment plant260
Sulfate, total [as SO4]240
Radium 226 + radium 228, total110
Alpha, gross particle activity110

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES FL0000078.

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 15, 2026.

What this page shows

This public-records page covers NPDES permit FL0000078, held by Mosaic Fertilizer, L.L.C. for its Plant City, FL operations, which discharges to Big Ditch WBID 1469 in the Branch Borough Channel subwatershed (HUC 031002050202). The page lists 17 pollutants under a numeric limit and 8 pollutants with an effluent exceedance, with the permit shown as administratively continued.