Clean Water Act discharge permit · NPDES VAN040175

CBBT-PARALLEL THIMBLE SHOAL TUNNEL PROJECT, Virginia Beach, VA: NPDES VAN040175 discharge permit, effluent exceedances, inspections, penalties

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

CBBT-PARALLEL THIMBLE SHOAL TUNNEL PROJECT, held by CBBT-Parallel Thimble Shoal Tunnel Project, holds NPDES permit VAN040175. EPA’s file records it issued January 1, 2017 and expiring December 31, 2021. 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.

Identity

Facility as filed	CBBT-PARALLEL THIMBLE SHOAL TUNNEL PROJECT
Permittee as filed	CBBT-Parallel Thimble Shoal Tunnel Project
NPDES ID	VAN040175
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	January 1, 2017
Expiration date	December 31, 2021
Issuing agency	Virginia
Address	Virginia Beach, VA 23455
Receiving water impaired	303(D) Listed
NAICS	237990 – Other Heavy and Civil Engineering Construction
SIC	1622 – Bridge, Tunnel, & Elevated Highway

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

5Pollutants on file
0Under a numeric limit
5With 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	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Nitrogen, Total As N	1	1	December 31, 2025	35% over the limit
Nitrogen, total [as N]	2	0
Phosphorus, total [as P]	2	0
Nitrogen, Kjeldahl, total [as N]	1	0
Nitrite + Nitrate total [as N]	1	0

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 VAN040175.

Inspections

EPA’s inspection file holds no inspection for NPDES VAN040175.

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 VAN040175.

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

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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 VAN040175 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES VAN040175 for the CBBT-PARALLEL THIMBLE SHOAL TUNNEL PROJECT in Virginia Beach, VA, held by CBBT-Parallel Thimble Shoal Tunnel Project. The permit is listed as administratively continued, with 0 pollutants under a numeric limit and 1 pollutant with an effluent exceedance.