Planning a new build or a septic replacement in rural Kingston? Then you need to understand the septic permit Frontenac County process before any digging starts. It can feel confusing at first. However, once you know the steps, it makes good sense.

At M. Riddle Excavating, we have handled this process for more than 20 years. So we know the local rules, the testing, and the timelines. In this guide, we walk you through it in plain language.

Who Issues a Septic Permit in Frontenac County?

First, let’s clear up a common mix-up. Many people still think the health unit handles septic permits. That changed. KFL&A Public Health stopped administering on-site sewage permits at the end of 2020.

Today, your septic permit Frontenac County application goes through the municipal or township building department. In the city area, that means City of Kingston Building Services. In the townships, you apply to the relevant Frontenac County township building department.

The permit falls under Part 8 of the Ontario Building Code, which covers on-site sewage systems. Because of that, your system must meet strict design and setback rules. In short, the building department reviews, approves, and inspects your work.

When Do You Actually Need a Septic Permit?

Not every job requires a permit. That said, most major work does. Here is when a septic permit Frontenac County application is mandatory:

• New systems. Any brand-new septic installation on a new build or bare lot.
• System replacements. Replacing a failed or outdated tank or bed.
• Major repairs. Work that changes the size, location, or type of your system.
• Home additions. Adding bedrooms or fixtures that increase your daily flow.

That last point trips up a lot of homeowners. For example, adding a bedroom raises the design load on your septic bed. Because of that, your existing system may no longer meet code, so you may need an upgrade and a permit.

Minor repairs, like swapping a pump or a broken lid, usually do not need a permit. However, always check first. When in doubt, call us and we will tell you straight.

Step-by-Step: The Septic Permit Process

Here is the path most homeowners follow. We have laid it out in order so you know what comes next.

1. Site evaluation. A qualified person assesses your lot, well location, water features, and slope.
2. Soil and percolation testing. Test pits show soil type and how fast water drains.
3. System design. A designer sizes the tank and bed to your soil and daily flow.
4. Permit application. You submit the design, site plan, and forms to the building department.
5. Review and approval. Building staff check the plans against Part 8 of the code.
6. Installation. A licensed installer builds the system to the approved design.
7. Final inspection. An inspector signs off before the system is covered and used.

We handle every one of these steps for our clients. So you do not have to chase forms or coordinate testing yourself. For a deeper walkthrough, read our step-by-step guide to getting a septic permit.

Why the Site Evaluation Matters

The site evaluation sets the tone for everything else. It looks at where your well sits, where water flows, and how much usable land you have. Because rural lots vary so much, no two designs are identical.

Setbacks are a big deal here. Your septic bed must sit a safe distance from wells, lakes, and property lines. That protects your drinking water. For more on that, see Ontario’s source-water protection guidance.

Soil and Percolation Testing Explained

Soil is the heart of a septic design. Sandy soil drains fast. Clay drains slowly. Your soil type decides how large your bed must be and what kind of system fits.

A percolation test, or “perc test,” measures how quickly water moves through the soil. We dig test pits and record the results. Then the designer uses that data to size the leaching bed correctly.

You can review regional soil and geology data through Ontario’s geology resources. However, nothing replaces a proper on-site test. Every lot behaves a little differently.

On tight or poor-draining lots, a standard bed may not work. In those cases, we often design an engineered system like an Eljen bed. See a real example on our Eljen septic installation in Inverary.

How Design Ties to Lot Size and Soil

Design is not one-size-fits-all. It hinges on two things: your lot and your soil. A large lot with sandy soil gives you flexibility. A small lot with clay does not.

The daily design flow also matters. That number comes from your number of bedrooms and fixtures. More bedrooms mean more flow, which means a bigger bed.

Here is how the pieces connect:

• Good soil, big lot. A conventional gravity bed usually works.
• Poor soil or high water table. You may need a raised or engineered system.
• Small lot near water. Setbacks tighten your options and may need a compact design.

Our team handles the full septic system design and installation in one package. So the design matches the site, and the install matches the design. For more finished work, browse our septic system projects.

Approval Timelines: What to Expect

Timelines depend on the season and the department’s workload. Still, here is a realistic picture.

• Site evaluation and testing: often within one to two weeks of booking.
• Design work: a few days to a week once tests are done.
• Permit review: commonly a couple of weeks, longer in busy spring months.
• Installation: usually a few days on site, weather permitting.

So from start to finish, plan for several weeks. In peak building season, allow more. Because of that, we tell clients to start early, especially for a new build with tight deadlines.

Common Delays and How to Avoid Them

Most delays come from a handful of avoidable issues. We see the same ones over and over. Here they are.

• Incomplete applications. Missing forms or site plans stall the review.
• No utility locates. You must book locates before any dig.
• Conservation authority rules. Lots near water may need extra approvals.
• Wet ground. Spring melt can push testing and installation back.

Before we dig, we always book locates through Ontario One Call. It is the law, and it keeps everyone safe. If your lot sits near a lake, river, or wetland, we also check with Conservation Ontario about floodplain rules.

Because we manage the paperwork properly the first time, we head off most delays before they start. That saves you weeks of back-and-forth.

What Does a Septic System Cost?

Cost is the first question most people ask. It is a fair one. However, the honest answer is: it depends on your soil, lot, and system type.

We break down real numbers in our guide to septic system costs in Ontario. That is the best place to see current, labelled ranges. We keep it updated so the figures stay honest.

In general, an engineered system on a tough lot costs more than a simple gravity bed on good soil. Testing, design, and the permit fee add to the total too. For a clear price on your property, ask us for a free quote.

For guidance on system standards and best practices, the Ontario Onsite Wastewater Association is a solid resource as well.

How a Licensed Installer Streamlines Everything

You can try to manage the process yourself. However, it is a lot to juggle. A licensed installer pulls it all together under one roof.

Here is what we handle for you:

• Site evaluation and soil testing on your property.
• System design sized to your soil and daily flow.
• Permit application submitted to the right building department.
• Locates and coordination with utilities and conservation authorities.
• Installation and final inspection to close out the permit.

Because we do this every week, we know what each department wants. So your file moves faster. In short, one call gets the whole job done right.

Get a Free Quote

Ready to move forward? Let M. Riddle Excavating handle your design, permitting, and installation from start to finish. We have served Kingston and Frontenac County for over 20 years, with a 4.9-star reputation to back it up.

Call us today at 613-545-7955 or request a free quote for your septic system design and installation. We will walk your property, explain your options, and give you a clear price.

Frequently Asked Questions

Who issues a septic permit in Frontenac County now?

The municipal or township building department issues it. For the city area, that is City of Kingston Building Services. KFL&A Public Health stopped handling septic permits at the end of 2020, so do not apply there.

Do I need a permit to replace my old septic system?

Yes. Replacing a failed system counts as major work, so it needs a permit. The same goes for changing the size or location of your bed or tank.

How long does the septic permit process take?

Plan for several weeks in total. Testing and design take a couple of weeks, and the permit review often takes a couple more. Busy spring months can add time, so start early.

Why do I need soil and percolation testing?

Your soil decides how large your bed must be. A perc test shows how fast water drains, so the designer can size the system correctly. Without it, your system could fail early.

Can M. Riddle Excavating handle the whole process?

Yes, from testing to final inspection. We manage design, permitting, locates, and installation as one package. Just call 613-545-7955 to get started.