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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
File Type
Description
Document Date
Monitoring ReportKnob Creek WWTP November 2024 MOR 12-DEC-2024
Monitoring ReportKnob Creek WWTP September 2024 MOR 15-OCT-2024
LetterWPN24.0648 Approval Letter 2024092325-SEP-2024
LetterJohnson City Knob Creek WWTP Temporary Bisulfite Addition19-SEP-2024
Monitoring ReportKnob Creek WWTP August 2024 MOR 13-SEP-2024
Monitoring ReportKnob Creek Pace Analytical Report no. 92750117 Quarterly 13-SEP-2024
Monitoring ReportKnob Creek Pace Analytical Report no. 92749771 13-SEP-2024
LetterWPN24.0573 Approval Letter 2024091112-SEP-2024
Monitoring ReportKnob Creek WWTP July 2024 MOR 14-AUG-2024
Letter24.0522 Approval letter 2024080808-AUG-2024
Forms submitted through MyTDEC Forms after 11/17/2020 will be available in FileNet.

Moratorium

Inspections

Inspection Date
Type
Result
06-FEB-2024Compliance AssistanceIn Compliance
07-AUG-2023Compliance Eval (non-sampling) (CEI)Out of Compliance
07-AUG-2023Sanitary Sewer Overflow Non-SamplingOut of Compliance
24-AUG-2021Compliance Eval (non-sampling) (CEI)Out of Compliance
24-AUG-2021Sanitary Sewer Overflow Non-SamplingOut 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
16-NOV-2016Compliance Eval (non-sampling) (CEI)Out of Compliance
26-APR-2016Compliance AssistanceIn Compliance

Wastewater Engineering Plans Review

Project no
Plans Status
Type
Reviewer
Date Received
Approved Date
Project Name
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
If you have any questions or comments, call us at (615) 532-0287 or email the TDEC Help Desk at BG-Help_Desk@tn.gov.