Clean Water Act discharge permit · NPDES FL0027651
OLDSMAR CITY OF, Oldsmar, FL: NPDES FL0027651 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 17Pollutants under a numeric limit
- 14Pollutants with an effluent exceedance
OLDSMAR CITY OF, held by Oldsmar, City of, holds NPDES permit FL0027651, which discharges to Mobbly Bayou Class Iii Marine Wbid 1546. EPA’s file records it issued June 30, 2020 and expiring June 29, 2025. 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 | OLDSMAR CITY OF |
|---|---|
| Permittee as filed | Oldsmar, City of |
| NPDES ID | FL0027651 |
| 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 | June 30, 2020 |
| Expiration date | June 29, 2025 |
| Issuing agency | Florida Department of Environmental Protection |
| Address | Oldsmar, FL 34677 |
| Receiving water | Mobbly Bayou Class III Marine WBID 1546 |
| Subwatershed | Moccasin Creek-Double Branch Frontal (HUC 031002060103) |
| 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
- 23Pollutants on file
- 17Under a numeric limit
- 23With a violation of any kind
- 14With 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] | 7 | 45 | 38 | September 30, 2025 | 344% over the limit |
| Chlorine, total residual | 2 | 31 | 29 | September 30, 2021 | 1,900% over the limit |
| Copper, total recoverable | 3 | 29 | 26 | January 31, 2014 | 224% over the limit |
| Dichlorobromomethane | 2 | 18 | 16 | July 31, 2017 | 53% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 16 | 10 | December 31, 2009 | 99,999% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 8 | 8 | October 31, 2003 | 3,000% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 10 | 5 | January 31, 2025 | 185% over the limit |
| Noel Statre 7Day Chronic Pimephales | 0 | 4 | 4 | October 31, 2008 | 99,999% over the limit |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 3 | 18 | 3 | September 30, 2018 | 78% over the limit |
| Oxygen, dissolved [DO] | 1 | 4 | 3 | December 31, 2025 | 56% over the limit |
| % of fecal coliform samples < detectable | 1 | 4 | 3 | December 31, 2025 | 33% over the limit |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | 0 | 20 | 1 | March 31, 2016 | 15% over the limit |
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | 0 | 20 | 1 | March 31, 2016 | 9% over the limit |
| Solids, total suspended | 6 | 7 | 1 | March 31, 2013 | 152% over the limit |
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 3 | 15 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 8 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Chlorodibromomethane | 2 | 2 | 0 | ||
| Plant capacity fact. percent of capacity | 1 | 1 | 0 | ||
| Phosphorus, total [as P] | 1 | 1 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 1 | 0 | ||
| Coliform, fecal general | 1 | 1 | 0 | ||
| Enterococci: group D, MF trans, M-E, EIA | 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 FL0027651.
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 FL0027651 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.