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Clean Water Act discharge permit · NPDES TXR1564OA

COLTON ROAD STORAGE FACILITY, Austin, TX: NPDES TXR1564OA discharge permit, effluent exceedances, inspections, penalties

COLTON ROAD STORAGE FACILITY, held by Chock N Lock, LLC, holds NPDES permit TXR1564OA, which discharges to Onion Creek. EPA’s file records it issued August 17, 2023 and expiring March 4, 2028. 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 COLTON ROAD STORAGE FACILITY: its NPDES ID, its permit type and status, its dates, its address in Austin, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1564OA.

Identity

Facility as filedCOLTON ROAD STORAGE FACILITY
Permittee as filedChock N Lock, LLC
NPDES IDTXR1564OA
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 17, 2023
Expiration dateMarch 4, 2028
AddressAustin, TX 78719
Receiving waterONION CREEK
SubwatershedCarson Creek-Colorado River (HUC 120902050409)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1564OA.

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 TXR1564OA.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1564OA.

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 TXR1564OA.

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, TXR1564OA.

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  • One state — $4,990/year
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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 TXR1564OA there.

COLTON ROAD STORAGE FACILITY, Austin, Texas: Coverage under a general permit TXR1564OA, held by Chock N Lock, LLC; Construction stormwater; Effective; issued August 17, 2023, term to March 4, 2028; discharges to ONION CREEK.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 3,480 were issued before TXR1564OA.

Coverages issued nearest TXR1564OA

COLTON ROAD STORAGE FACILITY among its neighbors

123 discharge permits are in the Carson Creek-Colorado River subwatershed (HUC 120902050409); TXR1564OA is one.

Other permits in the Carson Creek-Colorado River subwatershed (HUC 120902050409)

Nearby on the register

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

What this page shows

COLTON ROAD STORAGE FACILITY is one of 97 storm water construction permits on EPA's NPDES register in Austin, and 96.9% of those permits have an earlier issue date than this one. The facility has no pollutants under a numeric limit and no pollutants with an effluent exceedance, while 1.0% of the 97 storm water construction permits in Austin have a violation on file.