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Clean Water Act discharge permit · NPDES FLR05B074

MI METALS INC, Oldsmar, FL: NPDES FLR05B074 discharge permit, effluent exceedances, inspections, penalties

MI METALS INC, held by MI Metals, Inc, holds NPDES permit FLR05B074, which discharges to Tampa Bay. EPA’s file records it issued May 15, 2021 and expiring May 14, 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 filedMI METALS INC
Permittee as filedMI Metals, Inc
NPDES IDFLR05B074
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedMay 15, 2021
Expiration dateMay 14, 2026
Issuing agencyFlorida Department of Environmental Protection
AddressOldsmar, FL 34677
Receiving waterTAMPA BAY
Receiving water impaired303(D) Listed
SubwatershedMoccasin Creek-Double Branch Frontal (HUC 031002060103)
Other EPA IDs (FRS)RCRA handler FLR000198929; ICIS-AIR source FL0000001210300114

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Zinc, total recoverable100
Copper, total recoverable100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES FLR05B074.

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

DateWhat EPA recordedAgency
October 3, 2025WW Storm Water Non-Construction - Failure to properly install/implement BMPsST6

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 FLR05B074 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers NPDES permit FLR05B074, held by MI Metals, Inc. for its Oldsmar, FL facility, which discharges to Tampa Bay under an effective permit classified as a minor discharger, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance. The permit is listed as issued May 15, 2021 and expiring May 14, 2026, with the status reflecting EPA's permit file as loaded on September 15, 2026.