Clean Water Act discharge permit · NPDES GA0031844

MARTIN MARIETTA MATERIALS, INC.-TYRONE QUARRY, Tyrone, GA: NPDES GA0031844 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance

MARTIN MARIETTA MATERIALS, INC.-TYRONE QUARRY, held by MARTIN MARIETTA MATL-TYRONE QUARRY, holds NPDES permit GA0031844, which discharges to Line Cr-Flint Rb. EPA’s file records it issued January 31, 2008 and expiring January 30, 2013. 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	MARTIN MARIETTA MATERIALS, INC.-TYRONE QUARRY
Permittee as filed	MARTIN MARIETTA MATL-TYRONE QUARRY
NPDES ID	GA0031844
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 31, 2008
Expiration date	January 30, 2013
Issuing agency	GA DNR
Address	Tyrone, GA 30290
Receiving water	LINE CR-FLINT RB
Subwatershed	Upper Line Creek (HUC 031300050201)
Other EPA IDs (FRS)	ICIS-AIR source GA0000001311300002

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

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
4With 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
Solids, sludge, total, dry weight	1	62
pH	2	58
Solids, total suspended	2	58
Flow, in conduit or thru treatment plant	2	58

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES GA0031844.

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 GA0031844.

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

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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 GA0031844 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES GA0031844, held by MARTIN MARIETTA MATERIALS, INC.-TYRONE QUARRY in Tyrone, GA, which discharges to Line Cr-Flint Rb in the Upper Line Creek subwatershed (HUC 031300050201). The page lists the permit as Effective and a minor discharger, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, issued January 31, 2008 and expiring January 30, 2013.