Clean Water Act discharge permit · NPDES VAG840049

O N MINERALS CO - PLANT 1 (CALARA), Buchanan, VA: NPDES VAG840049 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

O N MINERALS CO - PLANT 1 (CALARA), held by Carmeuse Lime & Stone, Inc., holds NPDES permit VAG840049, which discharges to James River-Purgatory Creek. EPA’s file records it issued July 1, 2019 and expiring June 30, 2024.

O N MINERALS CO - PLANT 1 (CALARA), Buchanan, Virginia: Coverage under a general permit VAG840049, held by Carmeuse Lime & Stone, Inc.; Administratively continued (past its expiration date and still in force until reissued); issued July 1, 2019, term to June 30, 2024, by VA DEQ; discharges to James River-Purgatory Creek.

pH: 6 limits, 0 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Precipitation volume: 2 limits, 0 violations of any kind, 0 effluent exceedances.

September 2, 2026: Evaluation (S).

Other permits held by Carmeuse Lime & Stone, Inc.

CARMEUSE LIME AND STONE- STRASBURG, Strasburg: VAG401942, issued August 2, 2021
CARMEUSE AMERICAS – WINCHESTER, Clear Brook: VAG840024, issued July 1, 2019
CARMEUSE LIME AND STONE- STRASBURG, Strasburg: VAG840027, issued July 1, 2019
CARMEUSE LIME AND STONE - MIDDLETOWN, Middletown: VAG840042, issued July 1, 2019
O N MINERALS - ROCKY POINT, Buchanan: VAG840048, issued July 1, 2019
O N MINERALS CO - PLANT 2 (SHERWOOD ), Buchanan: VAG840064, issued July 1, 2019
O N MINERALS CO - PICO QUARRY, Buchanan: VAG840065, issued July 1, 2019

O N MINERALS CO - PLANT 1 (CALARA) among its neighbors

EPA’s permit file holds 5 discharge permits in the Purgatory Creek-James River subwatershed (HUC 020802011501), VAG840049 among them. Its county holds 22, 0 of them major permits; VAG840049 is a minor permit.

Other permits in the Purgatory Creek-James River subwatershed (HUC 020802011501)

BUCHANAN STORE, Buchanan: VAG402403, minor permit, discharging to James River-Purgatory Creek, permit term to July 31, 2026
BUCHANAN TOWN - SEWAGE TREATMENT PLANT, Buchanan: VA0022225, minor permit, discharging to James River/Jennings Creek, permit term to June 30, 2022
GREYLEDGE CONVENIENCE STORE, Buchanan: VAR10S873, minor permit, discharging to James River-Purgatory Creek, permit term to June 30, 2024
O N MINERALS CO - PLANT 2 (SHERWOOD ), Buchanan: VAG840064, minor permit, discharging to James River-Purgatory Creek, permit term to June 30, 2024

Identity

Facility as filed	O N MINERALS CO - PLANT 1 (CALARA)
Permittee as filed	Carmeuse Lime & Stone, Inc.
NPDES ID	VAG840049
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	July 1, 2019
Expiration date	June 30, 2024
Issuing agency	VA DEQ
Address	Buchanan, VA 24066
Receiving water	James River-Purgatory Creek
Receiving water impaired	303(D) Listed
Subwatershed	Purgatory Creek-James River (HUC 020802011501)
Other EPA IDs (FRS)	ICIS-AIR source VA0000005102300001

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
0With 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	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
pH	6	0	0
Solids, total suspended	4	0	0
Flow, in conduit or thru treatment plant	2	0	0
Precipitation volume	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES VAG840049.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES VAG840049.

Inspections

Date	What EPA recorded	Agency
September 2, 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

EPA’s informal enforcement file holds no action for NPDES VAG840049.

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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 VAG840049 for O N MINERALS CO - PLANT 1 (CALARA) in Buchanan, Virginia, held by Carmeuse Lime & Stone, Inc., with a Minor discharger class and an administratively continued status. The register lists 0 pollutants with an effluent exceedance and 4 pollutants under a numeric limit.