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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
16-JUL-2024 09:24AM

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
AddendumJohnson City Knob Creek WWTP Compliance Inspection Response Attachments12-JAN-2024
AddendumAntimony results showing micrograms instead of milligrams to correct application. Addendum to applicaiton.27-JUL-2021
AddendumJohnson City Knob Creek WWTP Revised Overflow Report (4-13-20 Overflow-509 S. Austin Springs Rd)31-JUL-2020
AddendumJohnson City Knob Creek WWTP CEI-SSO Amended Response Letter-12-11-1811-DEC-2018
AddendumJohnson City Knob Creek WWTP CEI Response Letter SOP Agreement Form Attachment-1-9-1709-JAN-2017
AddendumJohnson City Knob Creek WWTP CEI Response Letter Lab Analyses Sheets Attachment-1-9-1709-JAN-2017
AddendumAddendum to Jan 2016 Annual PT Report23-MAR-2016
AddendumJohnson CIty Knob Creek WWTP CEI Letter Response Attachments2-12-9-14 (Attachments for 12-9-14 CEI Letter Response)09-DEC-2014
AddendumJohnson City Knob Creek WWTP CEI Letter Response Attachments1-12-9-14 (Attachments for 12-9-14 CEI Letter Response)09-DEC-2014
ApplicationJohnson City Knob Creek WWTP Permit Application04-MAR-2021
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
24.0573Pending-MJT7/24/2024-UDC Mountainview
24.0478Pending-MJT7/15/2024-Home Depot Public Sewer Line Relocation
24.0529ApprovedCDRGO7/10/20247/16/2024CLEAR VIEW CAMPUS
24.0522Pending-MJB7/9/2024-The Settlement at Autumn Ridge
24.0333ApprovedCDMJT5/2/20246/28/2024W. Mountcastle Dr. Sewer Line Replacement
24.0232ApprovedCDMJT4/2/20245/3/2024Carroll Creek Sewer Line Extension
24.0009ApprovedCDMJT1/4/20243/8/2024Glaze Farm Development
23.0800ApprovedCDTNH12/19/20231/16/2024Martin Ln. Sewer Extension
23.0592ApprovedCDMJT10/12/20231/25/2024N North Street development
23.0280ApprovedCDMJB6/13/20236/13/2023Boone Lake 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.