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Clean Water Act discharge permit · NPDES TN0042064

JOHNS MANVILLE, INC., Etowah, TN: NPDES TN0042064 discharge permit, effluent exceedances, inspections, penalties

JOHNS MANVILLE, INC., held by Johns Manville, Inc., holds NPDES permit TN0042064, which discharges to Hiwassee. EPA’s file records it issued May 1, 2017 and expiring May 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedJOHNS MANVILLE, INC.
Permittee as filedJohns Manville, Inc.
NPDES IDTN0042064
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 1, 2017
Expiration dateMay 31, 2022
Issuing agencyTDEC - DWR
AddressEtowah, TN 37331
Receiving waterHiwassee
Receiving water impaired303(D) Listed
SubwatershedConasauga Creek Lower (HUC 060200020802)

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

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
BOD, 5-day, 20 deg. C41684September 30, 202272% over the limit
Copper, total [as Cu]2473December 31, 2016565% over the limit
Nitrogen, ammonia total [as N]2862September 30, 2022548% over the limit
pH2842December 31, 2010
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia1472December 31, 201085% over the limit
Solids, total suspended2831December 31, 201025% over the limit
IC25 Static Renewal 7 Day Chronic Chrpimephales1461December 31, 201093% over the limit
Oxygen, dissolved [DO]1231September 30, 20228% over the limit
Flow, in conduit or thru treatment plant2440

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 TN0042064.

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, TN0042064.

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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 TN0042064 there.

Nearby on the register

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