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Onsite Sewage

The environmental staff is qualified to conduct site evaluations for residential and commercial sub-surface sewage disposal systems, provide technical assistance during installation, and perform final inspection of completed systems. Qualified environmentalists also perform existing system evaluations and provide recommendations for repair and upgrades.

Soil Evaluations and Septic Systems

Information needed:

a. Application: Click here. Name, address, phone number, number of bedrooms in home, garbage disposal, basement. 

b. Drawing: Click here. House location, property lines, easements, utility/water lines, wells, sinkholes, proposed driveways, and any other items that may impact the location the septic system. 

Site evaluation fee is $200, cash or checks made payable to the Mercer County Health Department.
Backhoe pits are required for the evaluation. It is the owner’s responsibility to ensure backhoe pits can be dug at the time of the site evaluation.

Septic System Installation

Septic system installation permit must be purchased before work on the system can begin. The fee is $250, cash or checks made payable to the Mercer County Health Department.
A drawing of the proposed system with grade shots must be presented with permit request.
Indoor plumbing permit will not be issued until the septic system permit is obtained.

Final Approval of Septic System

Final approval is issued once all components of the system are installed, including but not limited to: lagoon fence and/or backfill and installer’s affidavits.
Two inspections are given for each system. If the system cannot be finalized in those two inspections, a $100 fee will be charged for each additional inspection.
The certificate of occupancy granted by the Mercer County Building Inspector will not be given until all work is completed on the septic system.

Print a copy of this description here.

Environmental Fees

Soil Evaluation – $200
System Permit – $250
Existing System inspection – $100
Repair Permit – $100

Environmental Hours

Monday – Friday
8:00 to 9:00 am
12:30 to 1:30 pm


Plumbing Inspector

Wednesday only
8:00 to 9:30 am
859-582-7273 ext. 149
KY Div of Plumbing – Online Permit

The Mercer County Health Department is accepting applications for a full time Public Health Nurse I
General Duties include:
This position serves under the direction of the Director. Responsibilities for this position include, but are not limited to: Provides entry-level nursing functions and services to individuals and families under close supervision in a clinic or community setting, focusing on the prevention of illness, injury or disability, the promotion of health and maintenance of the health of populations. The nurse in this classification would receive job specific training in the requirements and scope of practice of the various assigned health department programs and services.Health department services are provided to all age populations. A brief description of health department services include adult and child immunizations, well child examinations, family planning exams, WIC services/promotion, dental varnish for children, pandemic response, public health preparedness, basic patient care, harm reduction services and promotion of the health department within the community.
Minimum Education, Training or Experience:
See special requirements.
Special Requirements:
(Age, Licensure, Regulation, Etc.) Must have RN license in Kentucky or compact state or provisional license in Kentucky, meeting all requirements of KRS 314.041.
Starting Salary:
$20.30-$25.24/hr negotiable with additional experience. Grade 17
Apply at https://KOG.CHFS.KY.GOV/HOME. Create a citizen account and search LHDCOS (search and apply) Completed application must be submitted by November 11, 2022. Transcripts must be provided before the close date if post-secondary education is required or may be substituted for experience. Transcripts must list the degree awarded.  Qualified applicants/employees are subject to a pre-screening, selection for interview, and/or demonstration of skills testing.  Employment may be contingent upon a successful drug screening and background check.  Equal Opportunity Employer.