Clean Water Act discharge permit · NPDES TXRNECD90

APPLIED OPTICAL CORPORATION DBA OPTICAL CABLE, Plano, TX: NPDES TXRNECD90 discharge permit, effluent exceedances, inspections, penalties

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

APPLIED OPTICAL CORPORATION DBA OPTICAL CABLE, held by Applied Optical Systems, Inc., holds NPDES permit TXRNECD90. EPA’s file records it issued July 26, 2023 and expiring August 13, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for APPLIED OPTICAL CORPORATION DBA OPTICAL CABLE: its NPDES ID, its permit type and status, its dates, its address in Plano, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXRNECD90.

Identity

Facility as filed	APPLIED OPTICAL CORPORATION DBA OPTICAL CABLE
Permittee as filed	Applied Optical Systems, Inc.
NPDES ID	TXRNECD90
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
Program	Industrial stormwater
Issued	July 26, 2023
Expiration date	August 13, 2026
Address	Plano, TX 75074
Subwatershed	Brown Branch Rowlett Creek (HUC 120301060406)

Cited to the EPA ICIS-NPDES permit file (ECHO 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 TXRNECD90.

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 TXRNECD90.

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, TXRNECD90.

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 TXRNECD90 there.

Nearby on the register

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

Applied Optical Corporation DBA Optical Cable is one of 17 storm water industrial permits on EPA's NPDES register in Plano. Of all 17 storm water industrial permits in Plano, 64.7% have an earlier issue date than this permit. The permit is one of 98 NPDES permits in the Brown Branch Rowlett Creek subwatershed, and 0.0% of those 17 storm water industrial permits in Plano have a violation on file.