Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES NCC231342

TWYLA ROAD SOUTH, Cary, NC: NPDES NCC231342 discharge permit, effluent exceedances, inspections, penalties

TWYLA ROAD SOUTH, held by Stanley Martin Homes LLC, holds NPDES permit NCC231342. EPA’s file records it issued April 1, 2024 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 TWYLA ROAD SOUTH: 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 NCC231342.

Identity

Facility as filedTWYLA ROAD SOUTH
Permittee as filedStanley Martin Homes LLC
NPDES IDNCC231342
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 1, 2024
Expiration dateMarch 31, 2029
AddressCary, NC 27511
SubwatershedNortheast Creek (HUC 030300020605)
SIC1522 – 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

EPA’s limits and effluent violation files hold no pollutant row for NPDES NCC231342.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES NCC231342.

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, NCC231342.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 NCC231342 there.

Nearby on the register

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

What this page shows

The Clean Water Act discharge permit filed as TWYLA ROAD SOUTH, NPDES ID NCC231342, is one of 69 general permit coverages in Cary, North Carolina, and 0.0% of those coverages have a violation on file. The permit sits within the Northeast Creek subwatershed, which holds 81 NPDES permits, this one included. Of all 69 Cary general permit coverages, 0.0% carry an earlier issue date than this permit's April 1, 2024 issuance.