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Clean Water Act discharge permit · NPDES TN0069701

GUILL MINE 25, Mckenzie, TN: NPDES TN0069701 discharge permit, effluent exceedances, inspections, penalties

GUILL MINE 25, held by Kentucky-Tennessee Clay Company, holds NPDES permit TN0069701, which discharges to Obion-South Fork. EPA’s file records it issued May 21, 2018 and expiring August 23, 2022.

GUILL MINE 25, Mckenzie, Tennessee: Individual permit TN0069701, held by Kentucky-Tennessee Clay Company; Administratively continued (past its expiration date and still in force until reissued); issued May 21, 2018, term to August 23, 2022, by TDEC - DWR; discharges to Obion-South Fork.

  • Solids, total suspended: 6 limits, 1 violation of any kind, 1 effluent exceedance, latest December 31, 2019, largest 40% over the limit.
  • pH: 12 limits, 0 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Oil & Grease: 2 limits, 0 violations of any kind, 0 effluent exceedances.

Other permits held by Kentucky-Tennessee Clay Company

GUILL MINE 25 among its neighbors

EPA’s permit file holds 18 discharge permits in the South Fork Obion River Upper subwatershed (HUC 080102030603), TN0069701 among them. Its county holds 89, 1 of them major permits; TN0069701 is a minor permit.

Other permits in the South Fork Obion River Upper subwatershed (HUC 080102030603)

Identity

Facility as filedGUILL MINE 25
Permittee as filedKentucky-Tennessee Clay Company
NPDES IDTN0069701
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 21, 2018
Expiration dateAugust 23, 2022
Issuing agencyTDEC - DWR
AddressMckenzie, TN 38201
Receiving waterObion-South Fork
SubwatershedSouth Fork Obion River Upper (HUC 080102030603)

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended611December 31, 201940% over the limit
pH1200
Flow, in conduit or thru treatment plant400
Oil & Grease200

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TN0069701.

Inspections

EPA’s inspection file holds no inspection for NPDES TN0069701.

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 TN0069701.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit TN0069701 for GUILL MINE 25 in Mckenzie, TN, held by Kentucky-Tennessee Clay Company, which discharges to Obion-South Fork within the South Fork Obion River Upper (HUC 080102030603) subwatershed. The permit is listed as administratively continued, with 4 pollutants on file, 4 under a numeric limit, and 1 with an effluent exceedance.