Clean Water Act discharge permit · NPDES FLR05A970
NAVAL STATION MAYPORT, Jacksonville, FL: NPDES FLR05A970 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NAVAL STATION MAYPORT, held by Naval Station Mayport, holds NPDES permit FLR05A970, which discharges to St Johns River. EPA’s file records it issued May 23, 2021 and expiring May 22, 2026. 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 filed | NAVAL STATION MAYPORT |
|---|---|
| Permittee as filed | Naval Station Mayport |
| NPDES ID | FLR05A970 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Program | Industrial stormwater |
| Issued | May 23, 2021 |
| Expiration date | May 22, 2026 |
| Issuing agency | Florida Department of Environmental Protection |
| Address | Jacksonville, FL 32228 |
| Receiving water | ST JOHNS RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Chicopit Bay (HUC 030801031606) |
| Other EPA IDs (FRS) | RCRA handler FL9170024260; ICIS-AIR source FL0000001203100213 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 0With a violation of any kind
- 0With 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 | 66 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 33 | 0 | 0 | ||
| Chemical Oxygen Demand [COD] | 33 | 0 | 0 | ||
| Biochemical oxygen demand-5 | 33 | 0 | 0 | ||
| Solids, total suspended | 22 | 0 | 0 | ||
| Iron, total recoverable | 22 | 0 | 0 | ||
| Zinc, total recoverable | 22 | 0 | 0 | ||
| Aluminum, total recoverable | 22 | 0 | 0 | ||
| Lead, total recoverable | 22 | 0 | 0 | ||
| Copper, total recoverable | 22 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES FLR05A970.
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
- 12Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 27, 2026 | WW Storm Water Non-Construction - Failure to Maintain Records | ST6 |
| March 5, 2024 | WW Storm Water Non-Construction - Failure to Conduct Inspections | ST6 |
| March 5, 2024 | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| March 5, 2024 | WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs | ST6 |
| March 5, 2024 | WW Storm Water Non-Construction - Failure to properly install/implement BMPs | ST6 |
| March 5, 2024 | WW Storm Water Non-Construction - Failure to Maintain Records | ST6 |
| March 5, 2024 | WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP | ST6 |
| August 8, 2022 | WW Storm Water Non-Construction - Failure to Conduct Inspections | ST6 |
| August 8, 2022 | WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs | ST6 |
| August 8, 2022 | WW Storm Water Non-Construction - Failure to properly install/implement BMPs | ST6 |
| August 8, 2022 | WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP | ST6 |
| August 8, 2022 | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, FLR05A970.
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- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
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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 FLR05A970 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.