Clean Water Act discharge permit · NPDES NCC251317

GRIFFIN WESTON II, Cary, NC: NPDES NCC251317 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

GRIFFIN WESTON II, held by Singh Construction NC, LLC, holds NPDES permit NCC251317. EPA’s file records it issued May 1, 2025 and expiring March 31, 2029. 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.

What the register holds for GRIFFIN WESTON II: its NPDES ID, its permit type and status, its dates, its address in Cary, North Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NCC251317.

Identity

Facility as filed	GRIFFIN WESTON II
Permittee as filed	Singh Construction NC, LLC
NPDES ID	NCC251317
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	May 1, 2025
Expiration date	March 31, 2029
Address	Cary, NC 27513
Subwatershed	Upper Crabtree Creek (HUC 030202010801)
SIC	1522 – Residential Construction

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

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 NCC251317.

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 NCC251317.

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, NCC251317.

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 NCC251317 there.

Nearby on the register

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

The GRIFFIN WESTON II permit, held by Singh Construction NC, LLC, is one of 69 general permit coverages on EPA's NPDES register in Cary, and 0.0% of those 69 coverages in the city have a violation on file. Among the 69 Cary general permit coverages, this one, issued May 1, 2025, has an earlier issue date than 66.7% of them, and it sits within the Upper Crabtree Creek subwatershed, which holds 95 NPDES permits including this one.