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Parent Site

Site IDSiteLocationCityCountyEFO Name
5140Johnson City Knob Creek WWTP509 Austin Springs RoadJohnson CityWashingtonJohnson City

Permit Information

TN0024236
Individual
Reissuance
Johnson City
Knob Creek STP
Treatment of municipal sewage using mechanical bar screen, grit chamber, aeration basin, oxidation ditch, clarifiers, and chlorine contact chamber.
M
M
MW
04-MAR-2021
08-FEB-2011
30-MAR-2021
24-AUG-2021
30-SEP-2021
01-OCT-2021
30-SEP-2026
Watauga River at mile 11.3
Treated municipal wastewater from Outfall 001
WAS to aerobic digester to land application
4952
4
04-OCT-2024 03:20PM

Other DWR permits at this site

  • 1 - 3 of 3
Permit NoPermittee NameProject NamePermit TypeStatusRatingEFO Name__Issuance___Effective___Expiration__
TNR161756City of Johnson CityKnob Creek Wastewater Treatment PlantCGPActiveN/AJohnson City-06-JAN-201630-SEP-2026
TNB024236Johnson City Knob Creek STP-BiosolidsInactiveN/AJohnson City---
TNRX50138Knob Creek POTW-TMSPNo ExposureN/AJohnson City---
  • 1 - 3 of 3

Permit Documents

View
ReportWet weather pump calculations12-NOV-2015
LetterWPN24.0648 Approval Letter 2024092325-SEP-2024
LetterWPN24.0573 Approval Letter 2024091112-SEP-2024
LetterWPN24.0478 Approval Letter 2024072630-JUL-2024
LetterWPN24.0333 Approval Letter 2024062828-JUN-2024
LetterWPN24.0232 Approval Letter 2024050303-MAY-2024
LetterWPN24.0009 Approval Letter 2024030808-MAR-2024
LetterWPN23.0800 Approval Letter 2024011616-JAN-2024
LetterWPN23.0592 Approval Letter 2024012525-JAN-2024
LetterWPN22.0325 Approval Letter 2022052626-MAY-2022
Forms submitted through MyTDEC Forms after 11/17/2020 will be available in FileNet.

Inspections

30-DEC-2024Sanitary Sewer SystemPending
30-DEC-2024Compliance Eval (non-sampling) (CEI)Pending
06-FEB-2024Compliance AssistanceIn Compliance
07-AUG-2023Sanitary Sewer Overflow Non-SamplingOut of Compliance
07-AUG-2023Compliance Eval (non-sampling) (CEI)Out of Compliance
24-AUG-2021Sanitary Sewer Overflow Non-SamplingOut of Compliance
24-AUG-2021Compliance Eval (non-sampling) (CEI)Out of Compliance
24-OCT-2018Compliance Eval (non-sampling) (CEI)Out of Compliance
24-OCT-2018Sanitary Sewer Overflow Non-SamplingOut of Compliance
16-NOV-2016Sanitary Sewer Overflow Non-SamplingOut of Compliance

Wastewater Engineering Plans Review

24.0648PendingCDMJT8/20/20249/23/2024Proposed Private Access Driveways
24.0573PendingCDMJT7/24/20249/11/2024UDC Mountainview
24.0522PendingCDMJB7/9/20248/7/2024The Settlement at Autumn Ridge
24.0478PendingCDMJT6/19/20247/30/2024Home Depot Public Sewer Line Relocation
24.0333PendingCDMJT5/2/20246/28/2024W. Mountcastle Dr. Sewer Line Replacement
24.0232PendingCDMJT4/2/20245/3/2024Carroll Creek Sewer Line Extension
23.0592PendingCDMJT10/12/20231/25/2024N North Street development
23.0280PendingCDMJB6/1/20236/13/2023Boone Lake Townhomes
23.0258PendingCDA. Bahour5/17/20236/6/2023West Oakland Ave. Sewer Extension
23.0187InactiveCDMJB4/4/2023-Boonelake Townhomes