Clean Water Act discharge permit · NPDES GA0050351

LANDMARK MATERIALS LLC - LAMAR-MONROE QUARRY, Barnesville, GA: NPDES GA0050351 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
11Pollutants under a numeric limit
1Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

LANDMARK MATERIALS LLC - LAMAR-MONROE QUARRY, held by Landmark Materials, LLC, holds NPDES permit GA0050351. EPA’s file records it issued August 28, 2025 and expiring August 31, 2030. 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	LANDMARK MATERIALS LLC - LAMAR-MONROE QUARRY
Permittee as filed	Landmark Materials, LLC
NPDES ID	GA0050351
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 28, 2025
Expiration date	August 31, 2030
Address	Barnesville, GA 30204
Subwatershed	Cole Creek-Tobesofkee Creek (HUC 030701031401)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

12Pollutants on file
11Under a numeric limit
6With a violation of any kind
1With 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
Solids, total suspended	2	2	2	February 28, 2026	20% over the limit
Nitrogen, organic total [as N]	2	6	0
Nitrogen, total [as N]	2	2	0
Nitrogen, ammonia total [as N]	2	2	0
Nitrite + Nitrate total [as N]	2	2	0
Turbidity	0	2	0
pH	2	0	0
Oil & Grease	2	0	0
Nitrogen, Kjeldahl, total [as N]	2	0	0
Phosphorus, total [as P]	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
Phosphorous, in total orthophosphate	2	0	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

1Single-event violations

Date	What EPA recorded	Agency
March 3, 2026	Management Practice Violations - Failure to Maintain Records	ST6

Inspections

Date	What EPA recorded	Agency
March 3, 2026	Evaluation	S

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

Date	What EPA recorded	Agency
October 19, 2026	Notice of Noncompliance Issued	State
March 10, 2026	Notice of Noncompliance Issued	State
January 27, 2026	Notice of Noncompliance Issued	State

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 GA0050351 there.

Nearby on the register

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

This public-records page covers NPDES permit GA0050351, held by Landmark Materials, LLC for the LANDMARK MATERIALS LLC - LAMAR-MONROE QUARRY in Barnesville, GA, which is listed as Effective and as a Minor discharger class. The facts list 12 pollutants on file, 11 under a numeric limit, 6 with a violation of any kind, and 1 with an effluent exceedance, within subwatershed HUC 030701031401.