The Environmental Health division monitors the proper treatment and disposal of all wastewater for household and small flow (semi-public) sewage treatment systems in a manner which will protect surface and groundwater from contamination. This program also reviews, inspects and regulates new sewage systems, replacement systems and sewage system alterations.
*** Home Sewage Treatment Systems Rules Update***
As of January 1, 2015 new law and rules went into effect that govern Sewage Treatment Systems (STS) and Small Flow On-Site Sewage Treatment System (SFOSTS). Click here for links to the new law and latest rules.
Click here for the state mandated test for sewage treatment system haulers/installers/service providers
What We Do at the Knox County Health Department
- Investigate nuisances created by failing sewage systems.
- Issue permits for installation, alteration and abandonment of sewage systems
- Review sewage variance requests to present to the Board
- Issues permits for small flow (non-residential) sewage disposal systems for the
- Review plans for subdivisions without access to public water or sewer
- Review lot splits
- Provide consultations on proposed alterations or replacement of existing systems
- Inspect sewage treatment systems for real estate transfers
- Inspect pumper/tank trucks to assure proper cleaning, transportation and disposal methods
- Site Review - $285 (For new systems only. No fee for review of alterations.)
- Permit to Install for New Construction - $393
- Permit to Install for Alterations - $338
- Small flow on-site sewage treatment system (Installation or Replace) - $432
- Small flow on-site sewage treatment system (Alteration) - $376
- Total Permit Package (Site, Septic and Well) - $1,047
- Request for Loan Inspection Services
- Water Sample Only (Total Coliform- No Written Report) - $70
- Water Sample w/Written Report to Describe System - $100
- Sewage Disposal System - $150
- Sewage & Water System w/Written Report - $225
- We accept cash, checks, money orders, debit or credit cards for payment.
- Make checks and money orders payable to the Knox County Health Department.
Sewage System Maintenance for Homeowners
Frequently Asked Questions
How do I get a site evaluation?
Complete and submit the Site Review Application
How do I get a sewage permit?
Complete and submit the Sewage Permit Application
What steps do I take to repair my system?
Process to obtain a site evaluation then apply for a permit to install
How do I get a real estate sewage inspection?
Complete and submit the Real Estate Evaluation Request Form. Fee is $150.
Association of Ohio Pedologists
National Onsite Wastewater Recycling Association
National Precast Concrete Association
National Sanitation Foundation
National Small Flows Clearinghouse
Ohio Environmental Health Association
Ohio Onsite Wastewater Association
OSU Soil Environment Technology Learning Lab