Clean Water Act discharge permit · NPDES FL0023493
MANDARIN WRF, Jacksonville, FL: NPDES FL0023493 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 23Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
MANDARIN WRF, held by JEA, holds NPDES permit FL0023493, which discharges to St Johns R Class Iii Marine Wbid 2213g. EPA’s file records it issued July 1, 2019 and expiring June 30, 2024. 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 | MANDARIN WRF |
|---|---|
| Permittee as filed | JEA |
| NPDES ID | FL0023493 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 1, 2019 |
| Expiration date | June 30, 2024 |
| Issuing agency | Florida Department of Environmental Protection |
| Address | Jacksonville, FL 32257 |
| Receiving water | St Johns R Class III Marine WBID 2213G |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Doctors Lake (HUC 030801031304) |
| Program components on file | Biosolids, POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
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
- 28Pollutants on file
- 23Under a numeric limit
- 28With a violation of any kind
- 7With 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] | 6 | 49 | 16 | January 31, 2025 | 3,741% over the limit |
| Coliform, fecal general | 3 | 23 | 7 | October 31, 2025 | 264% over the limit |
| Solids, total suspended | 5 | 31 | 6 | February 28, 2013 | 93% over the limit |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 20 | 3 | June 30, 2014 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 26 | 1 | July 31, 2017 | 5% over the limit |
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 0 | 18 | 1 | June 30, 2011 | 90% over the limit |
| Cyanide, total [as CN] | 1 | 7 | 1 | January 31, 2013 | 460% over the limit |
| Flow, in conduit or thru treatment plant | 9 | 35 | 0 | ||
| Phosphorus, total [as P] | 6 | 28 | 0 | ||
| pH | 2 | 10 | 0 | ||
| LC50 Static Renewal 96Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 0 | 9 | 0 | ||
| LC50 Static Renewal 96Hr Acute Menidia | 0 | 9 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 3 | 6 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Menidia menidia | 3 | 6 | 0 | ||
| Plant capacity fact. percent of capacity | 1 | 5 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 5 | 0 | ||
| Nitrogen, organic total [as N] | 1 | 5 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 5 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 5 | 0 | ||
| Ultraviolet light intensity | 1 | 5 | 0 | ||
| Phosphorous, in total orthophosphate | 1 | 5 | 0 | ||
| Mercury, total recoverable | 1 | 5 | 0 | ||
| Solids, suspended percent removal | 1 | 5 | 0 | ||
| Ultraviolet light transmittance | 1 | 4 | 0 | ||
| Ultraviolet light dosage | 1 | 4 | 0 | ||
| Enterococci: group D, MF trans, M-E, EIA | 2 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 1 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 0 | 1 | 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 FL0023493.
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.
Watch this permit
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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 FL0023493 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.