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Clean Water Act discharge permit · NPDES FLG110599

GRISWOLD CONCRETE - ST. AUGUSTINE, Saint Augustine, FL: NPDES FLG110599 discharge permit, effluent exceedances, inspections, penalties

GRISWOLD CONCRETE - ST. AUGUSTINE, held by Smyrna Ready Mix Concrete LLC, holds NPDES permit FLG110599. EPA’s file records it issued May 7, 2018 and expiring May 6, 2023. 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.

What the register holds for GRISWOLD CONCRETE - ST. AUGUSTINE: its NPDES ID, its permit type and status, its dates, its address in Saint Augustine, Florida. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES FLG110599.

Identity

Facility as filedGRISWOLD CONCRETE - ST. AUGUSTINE
Permittee as filedSmyrna Ready Mix Concrete LLC
NPDES IDFLG110599
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 7, 2018
Expiration dateMay 6, 2023
Issuing agencyFlorida Department of Environmental Protection
AddressSaint Augustine, FL 32086
Receiving water impaired303(D) Listed
SubwatershedSan Sebastian River (HUC 030802010502)
NAICS327320 – Ready-Mix Concrete Manufacturing
SIC3273 – Ready-Mixed Concrete

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES FLG110599.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES FLG110599.

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, FLG110599.

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How we handle your data → Privacy

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 FLG110599 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The GRISWOLD CONCRETE - ST. AUGUSTINE permit, held by Smyrna Ready Mix Concrete LLC, is one of 64 general permit coverages on EPA's NPDES register in St. Johns County, and it sits within the San Sebastian River subwatershed, which contains 58 NPDES permits including this one. Among those 64 St. Johns County coverages, 6.3% were issued earlier than this permit, and 1.6% of them have a violation on file. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance.