Clean Water Act discharge permit · NPDES AL0056073

O'NEAL QUARRY AND LIME PLANT, Calera, AL: NPDES AL0056073 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
2Pollutants with an effluent exceedance

O'NEAL QUARRY AND LIME PLANT, held by Lhoist North America of Alabama, LLC, holds NPDES permit AL0056073. EPA’s file records it issued December 30, 2010 and expiring December 31, 2015. 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.

Identity

Facility as filed	O'NEAL QUARRY AND LIME PLANT
Permittee as filed	Lhoist North America of Alabama, LLC
NPDES ID	AL0056073
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	December 30, 2010
Expiration date	December 31, 2015
Address	Calera, AL 35040
Subwatershed	Big Creek-Waxahatchee Creek (HUC 031501070401)
NAICS	212312 – Crushed and Broken Limestone Mining and Quarrying
SIC	1422 – Crushed And Broken Limestone
Other EPA IDs (FRS)	RCRA handler ALR000018739; ICIS-AIR source AL0000000111700039

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

9Pollutants on file
8Under a numeric limit
8With 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
pH	10	1,465	6	June 30, 2023
Solids, total suspended	10	1,470	5	April 30, 2022	1,052% over the limit
Flow, in conduit or thru treatment plant	10	1,458	0
Solids, total dissolved	8	487	0
Iron, total [as Fe]	4	486	0
Manganese, total [as Mn]	4	486	0
Chemical oxygen demand [COD]	4	486	0
Oil and grease	0	486	0
Oil & Grease	4	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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AL0056073.

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, AL0056073.

Start the watch

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 AL0056073 there.

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 AL0056073 for O'NEAL QUARRY AND LIME PLANT in Calera, AL, held by Lhoist North America of Alabama, LLC, which EPA's file shows as administratively continued. The page lists 2 pollutants under a numeric limit and 2 pollutants with an effluent exceedance, and identifies the facility as a minor discharger.