Clean Water Act discharge permit · NPDES GAG300007

MARTIN MARIETTA MATERIALS, INC. (MORGAN COUNTY QUARRY), Buckhead, GA: NPDES GAG300007 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
2Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

MARTIN MARIETTA MATERIALS, INC. (MORGAN COUNTY QUARRY), held by Martin Marietta Materials, Inc., holds NPDES permit GAG300007. EPA’s file records it issued August 1, 2016 and expiring July 31, 2021.

MARTIN MARIETTA MATERIALS, INC. (MORGAN COUNTY QUARRY), Buckhead, Georgia: Coverage under a general permit GAG300007, held by Martin Marietta Materials, Inc.; Administratively continued (past its expiration date and still in force until reissued); issued August 1, 2016, term to July 31, 2021.

Turbidity: 4 limits, 2 violations of any kind, 2 effluent exceedances, latest April 30, 2018.
Solids, total suspended: 4 limits, 2 violations of any kind, 2 effluent exceedances, latest April 30, 2018, largest 100% over the limit.
pH: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Oil & Grease: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Rainfall: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 4 limits, 0 violations of any kind, 0 effluent exceedances.

Other permits held by Martin Marietta Materials, Inc.

MARTIN MARIETTA MATERIALS, INC. (CAMAK QUARRY), Thomson: GA0002321, issued December 15, 2010
MARTIN MARIETTA MATERIALS INC. (WARRENTON QUARRY), Warrenton: GA0034576, issued August 5, 2016
MARTIN MARIETTA MATERIALS, INC. - APPLING QUARRY, Grovetown: GA0037346, issued December 15, 2010
MARTIN MARIETTA MATERIALS, INC. - NEWTON COUNTY QUARRY, Oxford: GAG300001, issued August 1, 2016
MARTIN MARIETTA MATERIALS - RED OAK QUARRY, Red Oak: GAG300004, issued August 1, 2016
MARTIN MARIETTA MATERIALS, INC. (LITHONIA QUARRY), Lithonia: GAG300005, issued August 1, 2016
MARTIN MARIETTA MATERIALS, INC. (TYRONE QUARRY), Tyrone: GAG300008, issued August 1, 2016
MARTIN MARIETTA MATERIALS, INC. (AUBURN QUARRY), Auburn: GAG300009, issued August 1, 2016
MARTIN MARIETTA - RUBY QUARRY, Macon: GAG300024, issued August 1, 2016
MARTIN MARIETTA MATERIALS, INC. (JUNCTION CITY QUARRY), Junction City: GAG300035, issued August 1, 2016

MARTIN MARIETTA MATERIALS, INC. (MORGAN COUNTY QUARRY) among its neighbors

EPA’s permit file holds 135 discharge permits in the Millstone Creek-Broad River subwatershed (HUC 030601040602), GAG300007 among them. Its county holds 24, 1 of them major permits; GAG300007 is a minor permit.

Other permits in the Millstone Creek-Broad River subwatershed (HUC 030601040602)

(MATHEWS) POULTRY HOUSES, Lexington: GAR18B0F7, minor permit, permit term to July 31, 2028
2153 BARNETT SHOALS SUBDIVISION, Watkinsville: GAR397753, minor permit, permit term to July 31, 2028
31 RITA RIDGE, Jefferson: GAR39774F, minor permit, permit term to July 31, 2028
ABB MOTORS AND MECHANICAL INC., Athens: GAG200004, minor permit, permit term to August 31, 2020
AC AUTO INC., Hull: GAIS14421, minor permit, permit term to May 31, 2027
ASBURY LANDING S/D LOT 47, Cleveland: GAR356778, minor permit, permit term to July 31, 2018
ATHENS-CLARKE COUNTY (CEDAR CREEK WPCP), Athens: GA0034584, major permit, permit term to December 31, 2023
ATHENS-CLARKE COUNTY (J.G. BEACHAM WTP), Athens: GAG640043, minor permit, permit term to December 31, 2025
ATHENS-CLARKE COUNTY (NORTH OCONEE WPCP), Athens: GA0021725, major permit, permit term to November 30, 2023
BANKS COUNTY BOARD OF COMMISSIONERS (HUDSON RIVER WPCP), Commerce: GA0050215, minor permit, permit term to May 31, 2023

Identity

Facility as filed	MARTIN MARIETTA MATERIALS, INC. (MORGAN COUNTY QUARRY)
Permittee as filed	Martin Marietta Materials, Inc.
NPDES ID	GAG300007
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	Not a publicly owned treatment works
Issued	August 1, 2016
Expiration date	July 31, 2021
Address	Buckhead, GA 30625
Subwatershed	Millstone Creek-Broad River (HUC 030601040602)
SIC	1423 – Crushed And Broken Granite
Other EPA IDs (FRS)	ICIS-AIR source GA0000001321100018

Effluent limits and exceedances

6Pollutants on file
6Under a numeric limit
2With a violation of any kind
2With 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
Turbidity	4	2	2	April 30, 2018
Solids, total suspended	4	2	2	April 30, 2018	100% over the limit
pH	4	0	0
Oil & Grease	4	0	0
Rainfall	4	0	0
Flow, in conduit or thru treatment plant	4	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES GAG300007.

Inspections

EPA’s inspection file holds no inspection for NPDES GAG300007.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES GAG300007.

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Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit GAG300007, held by Martin Marietta Materials, Inc. for its Morgan County Quarry in Buckhead, GA, and lists the permit as administratively continued, with a discharger class of 6, 2 pollutants under a numeric limit, and 2 pollutants with an effluent exceedance. The file records the permit as issued August 1, 2016 and expiring July 31, 2021, with the status as of October 14, 2026.