• Onsite Wastewater Construction Permit

    Onsite Wastewater Construction Permit

  • Important Information

    The wastewater drainfield area needs to be determined before ANY other plans are made. The following items MUST be completed BEFORE a construction permit application can be reviewed:

    1. Site Assessment must be completed by TriCounty Health Department.
    2. All issues stated on Site Assessment must be addressed.
    3. Drinking water sources must be approved by TriCounty Health Department. *Well water will need to be tested prior to health department approval, which takes approximately 4 to 6 weeks.
    4. Site/plot plan must be submitted - this is a plot of the lot showing property lines with dimensions, house/structure location, driveway/parking area, location of onsite wastewater system, location of drinking water source and protection buffer for source. This must be signed by the property owner. 
    5. A certified individual must design the onsite wastewater system (see list).
    6. TriCounty Health Department requires that a registered or "in-process" installer be the one to install the onsite wastewater system. A homeowner may install their own onsite wastewater system if they are trained by TriCounty Health Department. A training fee of $100.00 will apply. This training does not qualify a homeowner as an installer, it only allows you to install your own system. Please note that a $100.00 fee will be assessed for EACH ADDITIONAL inspection due to incorrect installation. 
    7. Fill out this application completely, including all required attachments. You can save it and come back later if needed.
    8. Submit the following (as prompted) with your application:
      • Proof of drinking water (will serve letter, well permit, spring rights)
        • If more than one connection, a shared well/spring agreement will be needed
      • Detailed System Design
      • Plot Plan
      • Official floor plan of each building level
      • Current Tax ID Form (if information changed since site assessment was completed)
      • Fee - $590.00 for conventional system, $640.00 for deep trench or absorption bed system, $740.00 for alternative system. (Non-refundable and subject to change)
        • Property/homeowner install training fee in addition $100.00 (if applicable)
  • Application

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  • Applicant

  • System Designer

  • System Installer

  • Drinking Water Source

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  • Detailed System Design

  • Instructions

    Plans must be prepared and signed by a state certified individual and include their certification number. Plans must be prepared in such a manner that the installer can read and follow them in order to install the system properly. Construction shall not commence until the plans have been approved. Uploaded designs must be legible. 

    Materials

    • Schedule, material, and size of pipe to be used
    • Septic tank manufacturer, size of tank, and maximum burial depth of tank
    • Type of gravel to be used (3/4" minimum to 2 1/2" maximum)
    • Type of separation material to be used (straw or fabric)
    • Type of chambers to be used: manufacturer, model, size

    Details

    • Shall be drawn to scale (not to exceed 1 in = 30 ft), indicate scale used
    • Must include risers, clean-outs, and sampling ports as required by rule
    • Location and distance from water supply lines
    • Location of private water source including 200' protection zone
    • Location of 100' protection zone must be indicated on a County Plat showing property line, water source location and 100' in all directions with no source of contamination
    • Locations and distance of any watercourse, lake, pond, or reservoir within 200'
    • Location and distance from curtain drains
    • Location and distance of property lines
    • Location of raodways, driveways, and parking areas
    • Location of easements or right-of-ways affecting property
    • Location and distance from and down slope, cut bank, or top of embankment
    • Location of soil exploration and perc. test holes
    • Location and size of replacement area
    • Distance from any building foundation
    • Distance between trenches and length of distribution lines
    • Slope of building sewer (must not be less than 1/4" per foot). Includes pipe from building to tank, and tank to drainfield. 
    • Slope of distribution laterals (should be level)
    • If required onsite assessment form, relative evaluations MUST be provided. Indicate the original grade and trench bottom for both ends of each distribution lateral.

    Cross Section of Trench

    • Depth and width of excavation
    • Depth of pipe or chamber inlet
    • Depth of filter material
    • Separation material
    • Depth of backfill
    • Maximum DIG depth of trenches

    Installation Instructions

    • Please provide detailed installation instructions to enable the owner or third party contractor to install the system. Examples: how to enter/exit chamber end caps, orientation of perforated pipe, etc. 
  • If you do not know your system type then STOP. Please figure out your system type before continuing. Contact your system installer or engineer if necessary. 

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  • Other Required Documents

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  • Payment and Fees

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    Payment Methods

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    After submitting the form, you will be redirected to Apple Pay to complete the payment.
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