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Clean Water Act discharge permit · NPDES TNR136293

HORIZON PLAZA, Knoxville, TN: NPDES TNR136293 discharge permit, effluent exceedances, inspections, penalties

HORIZON PLAZA, held by Fox Rd, LLC, holds NPDES permit TNR136293, which discharges to Ft. Loudoun/Little River. EPA’s file records it issued December 23, 2020 and expiring September 30, 2021. 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.

Identity

Facility as filedHORIZON PLAZA
Permittee as filedFox Rd, LLC
NPDES IDTNR136293
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedDecember 23, 2020
Expiration dateSeptember 30, 2021
Issuing agencyTDEC - DWR
AddressKnoxville, TN 37934
Receiving waterFt. Loudoun/Little River
SubwatershedTurkey Creek (HUC 060102010208)

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 TNR136293.

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 TNR136293.

Inspections

DateWhat EPA recordedAgency
August 18, 2026EvaluationS
March 17, 2026EvaluationS

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 TNR136293.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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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 TNR136293 there.

Nearby on the register

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

What this page shows

The HORIZON PLAZA storm water construction permit, NPDES ID TNR136293, sits among 454 such permits on the register in Knox County, and 0.4% of those carry a violation on file. Of the 453 storm water construction permits in Knox County, including this one, 13.0% were issued earlier than this permit's December 23, 2020 issue date. The permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance, both counted as 0.