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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
EmailVarious emails from 2011 correspondence 29-JUL-2011
LetterJohnson City Knob Creek WWTP CEI Letter & ICIS Report-11-25-1425-NOV-2014
AddendumJohnson City Knob Creek WWTP CEI Letter Response Attachments1-12-9-14 (Attachments for 12-9-14 CEI Letter Response)09-DEC-2014
LetterJohnson CIty Knob Creek WWTP CEI Letter Response-12-9-14 (Response to 11-25-14 CEI Letter)09-DEC-2014
AddendumJohnson CIty Knob Creek WWTP CEI Letter Response Attachments2-12-9-14 (Attachments for 12-9-14 CEI Letter Response)09-DEC-2014
Report OCT 2014 PT SAR 29-JAN-2015
Inspection ReportJohnson City-FL Smidth-IU Inspection Letter-5-6-15 (Documents 4-13-15 IU Non-Sampling Inspection with Pretreatment)07-MAY-2015
LetterJohnson CIty-FL Smidth IU Inspection Response Letter-6-4-15 (Response to 5-6-15 IU Inspection Letter)05-JUN-2015
Letter15-0688 and 15-0689 Improvements to Knob Creek and Brush Creek plants02-NOV-2015
LetterLetter from CDM responding to TDEC comment letter12-NOV-2015
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
24.0573ApprovedCDMJT7/24/20249/11/2024UDC Mountainview
24.0522ApprovedCDMJB7/24/98/7/2024The Settlement at Autumn Ridge
24.0478ApprovedCDMJT6/19/20247/30/2024Home Depot Public Sewer Line Relocation
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
23.0592ApprovedCDMJT10/12/20231/25/2024N North Street development
23.0800ApprovedCDTNH12/19/20231/16/2024Martin Ln. Sewer Extension
23.0280ApprovedCDMJB6/13/20236/13/2023Boone Lake Townhomes
23.0258ApprovedCDA. Bahour5/17/20236/6/2023West Oakland Ave. Sewer Extension
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.