What Is a Perc Test and Do You Need One Before Building?
If you’re planning to build a home on land that won’t connect to a public sewer system, you may be wondering: what is a perc test? A perc test,... For homeowners building on their own land, especially in more rural parts of East Tennessee, this can be an important step before construction... Here’s what you should know before you buy land or contact a builder. What Is a Perc Test? A perc test evaluates how quickly water moves through the soil. This test is commonly used when determining whether a property can support a septic... During the process, a qualified professional may evaluate factors such as: Soil typeDrainageAbsorption rateDepth to restrictive soil layersGroundwater conditionsAvailable space for a septic system The exact testing process can vary by location and local requirements. Why Is a Perc Test Important Before Building? If your property needs a septic system, the results of a perc test can affect where and how you build. A lot can look perfect from the road, but... A perc test can help determine: Whether the property may support a septic systemWhere the septic system could potentially be installedWhat size system may be neededWhether... That’s why it’s often smart to investigate septic suitability before getting too far into your home plans. Do You Need a Perc Test Before Building a House? You may need a perc test before building if your home will use a septic system instead of connecting to a public sewer. If sewer service is available to the property, a perc test may not be necessary. But on rural or larger lots where septic is required, testing or... Local rules can vary, so it’s important to check with the appropriate county or local authority before making assumptions. What Happens During a Perc Test? The process can vary, but a perc test generally involves evaluating how water moves through the soil in the proposed septic area. A professional may: Identify a potential septic locationExamine the soilDig or prepare test areasAdd water as requiredMeasure how quickly the water is absorbedRecord... In some cases, a more detailed soil evaluation may be used instead of or in addition to a traditional perc test. The goal is to understand whether the land can safely support wastewater treatment through a septic system. What Does It Mean If Land Passes a Perc Test? If a property passes, it generally means the tested area has soil conditions that may be suitable for a septic system. That doesn’t necessarily... Home sizeNumber of bedroomsLot layoutSetbacksWellsProperty linesSlopesDrainage areasOther site conditions The approved septic area can influence where the house, driveway, and other features are placed. What Happens If Land Fails a Perc Test? A failed perc test doesn’t always mean you can’t build on the property, but it can make the building process more complicated. Depending on the... A different septic locationAdditional soil testingAn engineered septic systemA modified home siteA smaller home planAnother type of wastewater... Some of these options can add cost, time, and complexity to the project. If you’re considering buying land, this is one reason it can be helpful to... Can a Perc Test Affect Your Floor Plan? Septic systems are often sized based in part on the number of bedrooms in the home. That means the approved septic capacity could affect which... For example, if the lot is approved for a three-bedroom septic system, that may limit your ability to build a four-bedroom home without further... How Does a Perc Test Affect Where You Build? The septic system needs dedicated space, and that area can’t always overlap with other parts of the property. You may need to maintain separation... The houseProperty linesWellsDrivewaysOther structuresCertain drainage areas That can reduce the amount of usable space available for the home itself. On smaller, narrower, or sloped lots, this can be especially important. Should You Get a Perc Test Before Buying Land? If the land doesn’t have access to public sewer service, it’s a good idea to investigate septic suitability before purchasing. A property may have... Is public sewer available?Has the property already been tested?Are there previous septic approvals on file?What bedroom capacity was approved?Where... Getting answers early can help you avoid buying land that doesn’t work for your building plans. Build on Your Land With Red Door Homes Understanding what is a perc test can help you make better decisions before you build. At Red Door Homes, we help homeowners think through the bigger picture, including how the floor plan, property, site conditions, and building... Ready to start planning? Browse Red Door Homes floor plans or get started with our team to take the next step toward building your East Tennessee... Frequently Asked Questions About Perc Tests What is a perc test? A perc test measures how well soil absorbs water and is commonly used to determine whether a property may be suitable for a septic system. It can... Do you need a perc test if you have sewer access? Usually not. If the property can connect to a public sewer system, a septic system may not be needed, which means a perc test may not be necessary. Can you build on land that doesn’t pass a perc test? Possibly. A failed test may mean you need a different septic location, additional soil evaluation, or an alternative septic system, depending on... Does a perc test determine how many bedrooms you can have? It can influence the approved septic capacity, which may affect the number of bedrooms your home can have. This is one reason it’s important to... Can you do a perc test before buying land? Yes, and it can be a smart step if the property will need septic. Confirming septic suitability before closing can help you understand whether the... How much does a perc test cost? The cost can vary based on the property, location, testing method, and local requirements. Contact the appropriate local agency or testing... How long does a perc test take? The actual test may be relatively quick, but the overall timeline can depend on scheduling, site conditions, weather, and local approval... ...