Clean Water Act discharge permit · NPDES VAG840064

O N MINERALS CO - PLANT 2 (SHERWOOD ), Buchanan, VA: NPDES VAG840064 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
3Pollutants under a numeric limit
1Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

O N MINERALS CO - PLANT 2 (SHERWOOD ), held by Carmeuse Lime & Stone, Inc., holds NPDES permit VAG840064, 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 2 (SHERWOOD ), Buchanan, Virginia: Coverage under a general permit VAG840064, 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; Crushed and Broken Limestone Mining and Quarrying.

Solids, total suspended: 10 limits, 4 violations of any kind, 4 effluent exceedances, latest March 31, 2026, largest 5,554% over the limit.
pH: 10 limits, 0 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 10 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 1 (CALARA), Buchanan: VAG840049, issued July 1, 2019
O N MINERALS CO - PICO QUARRY, Buchanan: VAG840065, issued July 1, 2019

O N MINERALS CO - PLANT 2 (SHERWOOD ) among its neighbors

EPA’s permit file holds 5 discharge permits in the Purgatory Creek-James River subwatershed (HUC 020802011501), VAG840064 among them.

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 1 (CALARA), Buchanan: VAG840049, minor permit, discharging to James River-Purgatory Creek, permit term to June 30, 2024

Identity

Facility as filed	O N MINERALS CO - PLANT 2 (SHERWOOD )
Permittee as filed	Carmeuse Lime & Stone, Inc.
NPDES ID	VAG840064
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)
NAICS	212312 – Crushed and Broken Limestone Mining and Quarrying
SIC	1422 – Crushed And Broken Limestone

Effluent limits and exceedances

3Pollutants on file
3Under a numeric limit
1With 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	10	4	4	March 31, 2026	5,554% over the limit
pH	10	0	0
Flow, in conduit or thru treatment plant	10	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES VAG840064.

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 VAG840064.

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

This public-records page covers NPDES permit VAG840064 for O N MINERALS CO - PLANT 2 (SHERWOOD ) in Buchanan, VA, held by Carmeuse Lime & Stone, Inc., with its status listed as administratively continued. The facts list 1 pollutant under a numeric limit and 1 pollutant with an effluent exceedance, and identify the receiving water as James River-Purgatory Creek within subwatershed HUC 020802011501.