Clean Water Act discharge permit · NPDES FL0000256
MOSAIC FERTILIZER LLC - KINGSFORD/HAYNESWORTH/BIG FOUR, Polk County, FL: NPDES FL0000256 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 21Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
MOSAIC FERTILIZER LLC - KINGSFORD/HAYNESWORTH/BIG FOUR, held by Mosaic Fertilizer LLC, holds NPDES permit FL0000256, which discharges to Alafia R. EPA’s file records it issued September 8, 2009 and expiring September 7, 2014. 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 | MOSAIC FERTILIZER LLC - KINGSFORD/HAYNESWORTH/BIG FOUR |
|---|---|
| Permittee as filed | Mosaic Fertilizer LLC |
| NPDES ID | FL0000256 |
| 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 | September 8, 2009 |
| Expiration date | September 7, 2014 |
| Address | Polk County, FL 33835 |
| Receiving water | Alafia R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mined Area-Alafia River (HUC 031002040202) |
| SIC | 1475 – Phosphate Rock |
| Other EPA IDs (FRS) | RCRA handler FLD000770453 |
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
- 21Pollutants on file
- 21Under a numeric limit
- 13With a violation of any kind
- 10With 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 |
|---|---|---|---|---|---|
| Nitrogen, total [as N] | 52 | 14 | 12 | August 31, 2013 | 293% over the limit |
| Iron, total recoverable | 4 | 7 | 7 | May 31, 2010 | 200% over the limit |
| Specific conductance | 60 | 7 | 5 | July 31, 2009 | 99,999% over the limit |
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 36 | 9 | 3 | April 30, 2010 | 99,999% over the limit |
| Solids, fixed suspended | 20 | 3 | 3 | March 31, 2016 | 133% over the limit |
| pH | 51 | 10 | 2 | March 31, 2011 | |
| Phosphorus, total [as P] | 60 | 4 | 2 | October 31, 2014 | 438% over the limit |
| Oxygen, dissolved [DO] | 30 | 2 | 2 | March 31, 2010 | 8% over the limit |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 36 | 7 | 1 | December 31, 2012 | 83% over the limit |
| Solids, total suspended | 20 | 1 | 1 | October 31, 2005 | 8% over the limit |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | 21 | 16 | 0 | ||
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | 21 | 16 | 0 | ||
| Chlorophyll A | 30 | 2 | 0 | ||
| Turbidity | 92 | 0 | 0 | ||
| Flow rate | 28 | 0 | 0 | ||
| Temperature, water deg. centigrade | 20 | 0 | 0 | ||
| Streamflow | 14 | 0 | 0 | ||
| Sulfate, total [as SO4] | 10 | 0 | 0 | ||
| Fluoride, total [as F] | 10 | 0 | 0 | ||
| Radium 226 + radium 228, total | 10 | 0 | 0 | ||
| Alpha, gross particle activity | 10 | 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 FL0000256.
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 FL0000256 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.