Clean Water Act discharge permit · NPDES FL0000957
USN NAS JACKSONVILLE WWTF, Jacksonville, FL: NPDES FL0000957 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 31Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
USN NAS JACKSONVILLE WWTF, held by NAS Jacksonville, holds NPDES permit FL0000957, which discharges to St Johns R Class Iii Marine Wbid 2213e. EPA’s file records it issued June 6, 2019 and expiring June 5, 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 | USN NAS JACKSONVILLE WWTF |
|---|---|
| Permittee as filed | NAS Jacksonville |
| NPDES ID | FL0000957 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Federal facility |
| Issued | June 6, 2019 |
| Expiration date | June 5, 2024 |
| Issuing agency | Florida Department of Environmental Protection |
| Address | Jacksonville, FL 32212 |
| Receiving water | St Johns R Class III Marine WBID 2213E |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | New Rose Creek (HUC 030801031404) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler FLR000093252; ICIS-AIR source FL0000001203100215 |
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
- 31Pollutants on file
- 31Under a numeric limit
- 15With a violation of any kind
- 12With 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 |
|---|---|---|---|---|---|
| pH | 2 | 23 | 23 | February 28, 2026 | |
| Nitrogen, total [as N] | 6 | 20 | 20 | October 31, 2025 | 136% over the limit |
| Chlorine, total residual | 2 | 15 | 15 | December 31, 2017 | 4,900% over the limit |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 3 | 15 | 12 | April 30, 2026 | 92% over the limit |
| Copper, total recoverable | 1 | 10 | 10 | November 30, 2021 | 50% over the limit |
| Cyanide, total [as CN] | 1 | 9 | 8 | November 30, 2018 | 900% over the limit |
| Nickel, total recoverable | 1 | 8 | 8 | May 31, 2023 | 57% over the limit |
| Length of longest pH excursion | 1 | 5 | 5 | November 30, 2010 | 2,300% over the limit |
| % of time exceeding pH limits | 1 | 5 | 5 | March 31, 2010 | 1,270% over the limit |
| Oil & Grease | 1 | 4 | 3 | May 31, 2021 | 96% over the limit |
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 3 | 5 | 2 | July 31, 2024 | 65% over the limit |
| Surfactants [MBAS] | 2 | 2 | 2 | July 31, 2026 | 480% over the limit |
| Solids, total suspended | 5 | 3 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Phosphorus, total [as P] | 6 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 5 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 5 | 0 | 0 | ||
| Coliform, fecal general | 3 | 0 | 0 | ||
| Enterococci: group D, MF trans, M-E, EIA | 2 | 0 | 0 | ||
| Temperature, water deg. centigrade | 1 | 0 | 0 | ||
| Plant capacity fact. percent of capacity | 1 | 0 | 0 | ||
| Nitrogen, organic total [as N] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Phosphorous, in total orthophosphate | 1 | 0 | 0 | ||
| Mercury, total recoverable | 1 | 0 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 0 | ||
| Duration of discharge | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 17, 2026 | WW SSO - Discharge to Waters | ST6 |
| January 24, 2024 | WW SSO - Discharge to Waters | ST6 |
| August 15, 2023 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| July 5, 2020 | WW SSO - Discharge to Waters | ST6 |
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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.