Clean Water Act discharge permit · NPDES NCG070230

CAST STONE SYSTEMS, INC, Warrenton, NC: NPDES NCG070230 discharge permit, effluent exceedances, inspections, penalties

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

CAST STONE SYSTEMS, INC, held by Cast Stone Systems Inc, holds NPDES permit NCG070230. EPA’s file records it issued August 24, 2023 and expiring May 31, 2028.

CAST STONE SYSTEMS, INC, Warrenton, North Carolina: Coverage under a general permit NCG070230, held by Cast Stone Systems Inc; Industrial stormwater; Effective; issued August 24, 2023, term to May 31, 2028.

North Carolina holds 3,311 Industrial stormwater coverages of this permit type in EPA’s file; 3,040 were issued before NCG070230.

Coverages issued nearest NCG070230

August 15, 2023: TECHNIBILT, LTD, Newton, NCG030733, held by Technibilt LTD- DBA Wanzl
August 17, 2023: MITCHELL PIT, Williamston, NCG021017, held by Barnhill Contracting Company
August 21, 2023: EMERY ASPHALT, Arden, NCG160247, held by Emery Sealco
August 22, 2023: MM CLAYTON LLC, Clayton, NCG050470, held by Mm Packaging US Inc
August 24, 2023: PROTOLABS, Morrisville, NCG050468, held by Protolabs
August 24, 2023: UFP FRANKLINTON, LLC, Franklinton, NCG210505, held by Ufp Franklinton LLC
August 28, 2023: NLR MINE, Newport, NCG021011, held by Donald Bryant
August 28, 2023: NELSON TOWING AND AUTO PARTS LLC, Durham, NCG100255, held by Nelson Towing and Auto Parts LLC
August 28, 2023: WJD HOLDINGS, LLC, Raleigh, NCG130109, held by Wall Recycling LLC DBA Liberty Waste Solutions
August 28, 2023: WALL RECYCLING, LLC - LANDFILL TREATMENT & PROCESSING FACILITY, Raleigh, NCG130110, held by Wall Recycling LLC DBA Liberty Waste Solutions

CAST STONE SYSTEMS, INC among its neighbors

EPA’s permit file holds 9 discharge permits in the Brooks Swamp subwatershed (HUC 030202011401), NCG070230 among them.

Other permits in the Brooks Swamp subwatershed (HUC 030202011401)

ARNOLD WILBERT CORPORATION, Goldsboro: NCG070078, minor permit, permit term to May 31, 2023
E STATION STREET FACILITY, Mount Olive: NCG500682, minor permit, permit term to November 30, 2025
HF LEE ASH BENEFICIATION FACILITY, Goldsboro: NCG200529, minor permit, permit term to May 31, 2024
LEE STEAM ELECTRIC PLANT, Goldsboro: NC0003417, major permit, permit term to May 31, 2030
ROBIN SOLAR, LLC, Dudley: NCC201698, minor permit, permit term to March 31, 2029
S. T. WOOTEN CONCRETE PLANT #20, Goldsboro: NCG140380, minor permit, permit term to June 30, 2022
SPEEDMAN MITIGATION PROJECT, Mount Olive: NCC252823, minor permit, permit term to March 31, 2029
WORTHINGTON AG PARTS, Goldsboro: NCG100163, minor permit, permit term to June 30, 2026

What the register holds for CAST STONE SYSTEMS, INC: its NPDES ID, its permit type and status, its dates, its address in Warrenton, North Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NCG070230.

Identity

Facility as filed	CAST STONE SYSTEMS, INC
Permittee as filed	Cast Stone Systems Inc
NPDES ID	NCG070230
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	August 24, 2023
Expiration date	May 31, 2028
Address	Warrenton, NC 27589
Subwatershed	Brooks Swamp (HUC 030202011401)

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES NCG070230.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES NCG070230.

Inspections

EPA’s inspection file holds no inspection for NPDES NCG070230.

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 NCG070230.

Watch this permit

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Nearby on the register

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

CAST STONE SYSTEMS, INC is one of 1 storm water industrial permits on EPA's NPDES register in Warrenton, including this one. It is also one of 9 NPDES permits in the Brooks Swamp subwatershed, this one included. The permit lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.