Note: Replacing spaces with “+” in the URL is a common practice, but Bing’s image search may also handle spaces directly. You can test both versions to see which delivers the most relevant image. Also be aware that using the title directly in the image search may not produce the best visual. You might want to try more specific keywords related to septic tanks in the image search for a better picture.
Locating Your Septic Tank: Starting with House Plans and Property Records
Alright, so you need to find your septic tank? No problem, it’s usually not as daunting as it sounds. One of the absolute best starting points is checking your house plans and property records. These documents can often provide a wealth of information, sometimes even pinpointing the tank’s exact location. Think of it like a treasure map, leading you right to the buried prize.
If you’re lucky enough to still have the original blueprints or as-built drawings of your house, these are gold. They often include a detailed diagram of the septic system layout, showing the tank’s position relative to the house and other structures. Look for a rectangular or circular shape labeled “septic tank,” or sometimes just “ST.” These drawings might also indicate the location of the drain field or leach field, which is where the treated wastewater is dispersed. Knowing the drain field location can help you narrow down the tank’s position, as they’re usually relatively close together.
Don’t worry if you don’t have the original blueprints. You can often find copies at your local building department or county recorder’s office. These offices keep records of building permits and other construction-related documents. A small fee might be involved, but it’s usually well worth the cost to avoid hours of digging blindly. When you contact them, have your property address and parcel number ready to expedite the search process. The parcel number is a unique identifier for your property and helps them quickly locate the correct records.
If your house is older, the records might be on microfilm or microfiche. Don’t be intimidated by this! The staff at the records office can usually assist you with using the viewing equipment. They might even be able to print copies of the relevant pages for you. Even a rough sketch or a simple description in the records can be a huge help.
Sometimes, property records include a separate “septic permit” or “sanitary permit.” This document specifically details the septic system installation, including the tank’s location, size, and other important specifications. It can also provide information about the type of tank material (concrete, fiberglass, etc.), which can be useful if you ever need repairs or replacement.
Here’s a handy table summarizing where to look for these important documents:
| Document Type | Where to Find It |
|---|---|
| House Plans/Blueprints | Original homeowner, previous owners, local building department, county recorder’s office |
| Property Records | County recorder’s office, city hall, online property databases |
| Septic Permit/Sanitary Permit | Local health department, environmental health services, county recorder’s office |
Other Methods for Locating Your Septic Tank
If the paperwork doesn’t give you a clear answer, there are other techniques you can use to locate your septic tank. These involve a little more detective work, but they can be just as effective.
Probing the Ground
Probing involves carefully pushing a long, thin rod into the ground until you feel resistance. This can indicate the presence of a buried object, like your septic tank. It’s a bit like searching for buried treasure, but be careful not to damage the tank or any underground utilities.
Visually Inspecting Your Yard for Clues
One of the easiest ways to begin your septic tank hunt is by simply looking around your yard. Often, subtle clues can point you in the right direction. Keep an eye out for the following:
Green Patches
Noticeably greener, lusher patches of grass, even during dry periods, can indicate the location of your septic tank’s drain field. The extra moisture and nutrients from the wastewater can promote vigorous plant growth in these areas. While the drain field isn’t the tank itself, it’s usually located close by, often downhill or downslope.
Indentation or Slight Mound
Spotting Subtle Changes in the Terrain
Over time, the ground above a buried septic tank can settle or, conversely, create a slight mound. Look for areas where the ground level is just a bit higher or lower than the surrounding area. These subtle changes in the terrain can be a telltale sign. Keep in mind, landscaping can mask these changes, so it’s beneficial to compare the area to older photos of your property, if available. This might reveal a spot that was once disturbed and later leveled out.
Think about the typical size of a septic tank. They are usually rectangular and can range from 500 gallons to 1,500 gallons or even larger for larger households. Visualizing this size can help you assess whether a particular depression or mound might be the right dimensions. Don’t dismiss even small, subtle variations in the ground level, especially if they coincide with other clues.
Be observant of changes in vegetation as well. While the drain field is known for lush growth, the area directly above the tank might exhibit slightly sparser vegetation or even a different type of grass compared to the surrounding lawn. This can occur because the tank itself disrupts the natural soil structure. This difference might be subtle and easily missed, so walk around your yard systematically, scanning the ground carefully.
Finally, look for signs of previous excavation or repairs. Small patches of differently colored soil or slightly uneven ground can indicate where the tank was originally installed or accessed for maintenance. Even a slight difference in the texture of the grass can be a clue. Sometimes, you might even find a small, nearly invisible concrete or plastic access cover hidden amongst the grass.
Pipes and Covers
Look for pipes sticking out of the ground. These could be vent pipes or cleanout access points. Sometimes, the septic tank cover itself is visible, either as a concrete lid or a round, green plastic access port. They might be slightly buried or hidden under a layer of soil and grass.
Check Your Property Records
Your property records might contain a diagram or drawing showing the location of your septic system. This is often the most reliable way to pinpoint the tank’s exact location. Check with your local municipality or county recorder’s office to access these records.
Typical Septic Tank Dimensions
| Capacity (Gallons) | Typical Length (feet) | Typical Width (feet) | Typical Height (feet) |
|---|---|---|---|
| 500 | 5 | 3 | 4 |
| 750 | 6 | 4 | 4 |
| 1000 | 8 | 4 | 5 |
| 1250 | 9 | 5 | 5 |
| 1500 | 10 | 5 | 6 |
Probing the Ground to Pinpoint the Tank’s Boundaries
Once you’ve got a general idea of where the septic tank might be, it’s time to get your hands a little dirty and confirm its exact location and boundaries. This involves a bit of probing, but don’t worry, it’s not as intense as it sounds. The goal here is to carefully feel for the edges of the tank without damaging it or any of its components.
Tools and Techniques for Effective Probing
For this task, you’ll need a probing rod. A sturdy metal rod, like a thin piece of rebar or a specialized septic tank probe, is ideal. You could even repurpose a long, strong screwdriver in a pinch. Avoid using anything too flimsy, as it might bend or break. A wooden dowel, for example, is not a good choice.
Now, let’s talk technique. Start by probing the ground around the suspected location of your septic tank. Push the rod gently into the soil. You’ll notice a difference in resistance when you hit the top of the tank. It will feel much harder than the surrounding soil. As you continue probing, mark the spots where you encounter this increased resistance. These markings will start to outline the perimeter of your tank.
Detailed Probing Procedure and Interpretations
Think of this process like connecting the dots. The more “dots” you create, the clearer the picture becomes. After marking your initial hits, systematically probe the area in a grid pattern. This methodical approach ensures you don’t miss any part of the tank’s boundary. Imagine drawing lines horizontally and vertically across the suspected area, probing every foot or so.
As you probe, pay close attention to the feel of the rod. When you hit the tank’s edge, you should feel a distinct, solid resistance. The surrounding soil, however, will offer less resistance. Sometimes, you might even feel a slight give as the probe goes through looser fill dirt around the tank’s edges. This contrast in resistance is key to accurately mapping out the tank.
Don’t be afraid to probe multiple times in the same spot to confirm your findings. Especially at the edges, double-checking can help you pinpoint the exact boundaries. Record your findings on a piece of paper or even better, a sketch of your yard. This will help you visualize the tank’s size and orientation. As you probe, you’ll be able to distinguish between the hard top of the tank and the softer, sloping sides. This helps you understand the tank’s depth and overall dimensions.
Here’s a table summarizing the different feelings you might experience while probing and their likely interpretations:
| Feeling | Interpretation |
|---|---|
| Little resistance | Normal soil or loose fill around the tank |
| Sudden, hard resistance | Top or side of the septic tank |
| Slight give, then resistance | Possibly the edge of the tank, with loose fill around it |
Once you’ve completed your probing, you should have a clearly defined outline of the septic tank. This detailed mapping helps you understand its size, shape, and location, which is crucial for any maintenance or repair work you might need to undertake.
Utilizing a Metal Detector to Find the Tank’s Access Cover
One of the most effective ways to locate a buried septic tank is by using a metal detector. Since most septic tanks have metal components, like the access cover, reinforcing rods, or even older steel tanks themselves, a metal detector can be a real lifesaver in this search. This method is relatively quick and easy, especially if you have a general idea of where the tank might be located.
Getting Started with the Metal Detector
Before you begin sweeping, familiarize yourself with how your metal detector works. If you’ve never used one before, practice in an area where you know there’s metal buried, like a coin in your backyard. This helps you get a feel for the signal sounds and understand how the detector responds to different types of metal. Adjust the sensitivity according to the manufacturer’s instructions, usually starting with a higher sensitivity and adjusting down as needed to filter out interference.
Metal Detector Techniques for Locating Septic Tanks
Begin your search in the area most likely to house the septic tank, typically in a direct line between the house and the drain field, which often looks like a slightly depressed area in the yard. Keep in mind that the tank is usually buried at least a few feet away from the house’s foundation. Start by walking in a grid pattern, overlapping each pass slightly to ensure you don’t miss any spots. Listen carefully for a strong signal. Metal pipes and other buried objects can sometimes throw you off, so mark any potential hits with a small flag or stake. Once you’ve covered the likely area, go back and investigate the strongest signals more closely.
Pinpointing the Septic Tank Access Cover
When you get a strong signal, try to pinpoint the exact location by moving the detector head slowly and methodically over the area. The strongest signal should indicate the center of the metallic object. Once you believe you’ve found the center, use a probe or a long screwdriver to carefully explore the ground. You’re looking for the resistance of the septic tank cover. Be careful not to damage the cover or any pipes. Septic tank covers are often buried under a layer of soil and sometimes even a layer of grass or landscaping. If your probe hits something solid a few inches below the surface, you’ve likely found the access cover. Carefully clear away the soil and vegetation to confirm. The cover might be made of concrete, plastic, or metal, and could be round, square, or rectangular. Sometimes, there might be two or even three access covers depending on the size and configuration of the tank. Once you’ve uncovered the cover(s), make a note of their location for future maintenance. If you hit something metallic but it doesn’t seem like a cover, it could be a pipe or other buried debris. Use caution and continue your search in the surrounding area. Don’t get discouraged if you don’t find it immediately; patience is key when searching for a buried septic tank.
| Possible Material of Septic Tank Covers | Typical Shape of Septic Tank Covers |
|---|---|
| Concrete | Round |
| Plastic | Square |
| Metal | Rectangular |
Confirming the Find
Once you believe you’ve located the septic tank cover, it’s essential to confirm that it’s indeed the tank and not something else. You can do this by consulting your property’s septic system records, if available. These records usually contain a diagram showing the tank’s location. Another way to confirm is by contacting your local health department or a septic tank professional. They can often provide information on the location of your septic system based on permits and inspections. Be sure to accurately mark the location of the septic tank once you’ve found it, to make it easier to find for future inspections and maintenance. This will save you time and effort down the road.
Employing a Septic Tank Locator for a Precise Location
So, you need to find your septic tank? Maybe it’s time for a pump-out, an inspection, or you’re planning some landscaping and want to avoid a messy disaster. Digging blindly is a recipe for frustration, wasted time, and potentially damaging your system. A much smarter approach is to use a septic tank locator. These handy devices can pinpoint your tank’s location with surprising accuracy, saving you a whole lot of hassle. There are a few different types of locators available, each using a slightly different method to achieve the same goal.
Types of Septic Tank Locators
Let’s break down the common types of septic tank locators:
Metal Detectors
Many septic tanks have metal components, like the access lid or reinforcing rods. A metal detector can be a surprisingly effective tool for locating these metal parts, and therefore, the tank itself. However, this method can be tricky if you have other metal objects buried in your yard, such as pipes or old construction debris. The detector might pick up these false signals, leading you on a wild goose chase.
Probes and Transmitters
These systems are specifically designed for locating non-metallic pipes and tanks. A transmitter sends a signal through the ground, and a receiver detects the signal reflected back from the tank. This method is generally more accurate than using a metal detector, as it’s less susceptible to interference from other buried objects.
Electronic Locators
These sophisticated devices use ground penetrating radar (GPR) to create a visual representation of what’s beneath the surface. They’re the most expensive option, but they offer the highest level of accuracy and can even provide information about the tank’s depth and size. If you’re dealing with a particularly challenging situation, such as a deeply buried tank or a complex underground layout, an electronic locator is likely your best bet.
Choosing the Right Locator
Choosing the right locator depends on factors such as budget, the complexity of your yard, and the accuracy you require. For simple situations, a metal detector or a probe and transmitter system might suffice. However, for more challenging scenarios, investing in an electronic locator is a worthwhile investment that can save you time, money, and a lot of digging.
Using a Septic Tank Locator: A Step-by-Step Guide
Once you’ve chosen your locator, follow these steps to find your septic tank:
- Locate the Main Sewer Line: Start by identifying where the sewer line exits your house. This is often on an outside wall, usually in a basement or crawl space. You can also check your house plans if you have them.
- Follow the Line: Using your chosen locator, follow the path of the sewer line away from the house. Septic tanks are typically located 10 to 25 feet away from the house, but this can vary.
- Pinpoint the Tank: As you get closer to the tank, your locator will give you a stronger signal or a clearer image. Mark the area where the signal is strongest.
- Confirm the Location: Once you’ve identified a potential location, probe the ground carefully with a long screwdriver or probe to confirm that you’ve found the tank’s access lid. Be cautious not to damage the tank or any pipes.
- Record the Location: Once you’ve found your septic tank, take photos and make detailed measurements and notes about its location. This will make it much easier to find again in the future. You might also want to create a simple sketch of your yard, marking the tank’s position relative to fixed landmarks like trees or fences.
| Locator Type | Pros | Cons |
|---|---|---|
| Metal Detector | Affordable, widely available | Susceptible to interference from other metal objects |
| Probe and Transmitter | More accurate than metal detectors, moderately priced | Can be challenging to use in areas with complex underground utilities |
| Electronic Locator (GPR) | Highly accurate, provides detailed information | Most expensive option |
Exploring Advanced Techniques: Ground Penetrating Radar (GPR)
When your trusty metal probe and septic tank map fail you, it’s time to bring in the big guns. Ground Penetrating Radar (GPR) is a powerful technology that uses radar pulses to image the subsurface. Think of it as an ultrasound for the ground. It’s a non-destructive way to locate buried objects, including your elusive septic tank. While it’s a more expensive option than DIY methods, GPR can save you a lot of time, effort, and potential damage to your yard in the long run.
How Does GPR Work?
GPR equipment consists of a transmitter and a receiver. The transmitter sends electromagnetic waves into the ground, and these waves bounce back when they encounter changes in the soil’s composition, like the presence of a buried tank. The receiver picks up these reflected waves, and specialized software interprets the data to create a visual representation of what lies beneath the surface.
Benefits of Using GPR
GPR offers several advantages when searching for buried septic tanks. It’s highly accurate and can pinpoint the tank’s location with remarkable precision, even in challenging soil conditions. Unlike probing, it doesn’t require digging multiple holes, minimizing disruption to your lawn. It’s also relatively fast, allowing a professional to survey a large area in a shorter amount of time compared to traditional methods.
Choosing a GPR Service Provider
Not all GPR services are created equal. Look for a provider with experience specifically in locating septic tanks. Ask about their equipment and software – newer technology generally offers better resolution and accuracy. Check online reviews and ask for references to ensure they are reputable and reliable. A good provider should be able to explain the process clearly and answer your questions thoroughly.
Understanding the GPR Process
The GPR technician will start by walking over the suspected area with the GPR equipment. The data collected is displayed in real-time on a screen, allowing the technician to identify potential anomalies. They will mark areas of interest for further investigation. Once the tank is located, its boundaries are typically marked on the surface, often with paint or flags. You’ll receive a detailed report with images and precise measurements of the tank’s location and depth.
Cost Considerations
The cost of a GPR survey varies depending on several factors, including the size of the area to be scanned, the complexity of the terrain, and the location of the service provider. While GPR is generally more expensive than DIY methods or using a local plumber with a metal probe, it’s often more cost-effective than extensive excavation or repairing damaged pipes caused by inaccurate guesswork. Think of it as an investment in protecting your property and avoiding costly repairs down the line.
Interpreting GPR Results: A Deeper Dive
Understanding the nuances of GPR results is crucial for accurate septic tank location. While a trained technician will provide the primary interpretation, having a basic grasp of the data yourself can be beneficial. The GPR output is typically displayed as a cross-section or profile of the subsurface. Different materials reflect the radar waves differently, creating distinct patterns on the scan. A septic tank, being a hollow structure often filled with liquid and potentially sludge, usually appears as a hyperbolic or arch-like shape. The strength of the reflection can indicate the material’s density and its depth is determined by the time it takes for the radar signal to return to the receiver. However, interpreting these scans isn’t always straightforward. Soil composition, groundwater levels, and other buried objects can create complexities. For example, a buried metal pipe could produce a similar hyperbolic shape, making experience and a thorough understanding of the site’s history essential for accurate interpretation.
| Factor | Impact on GPR Results |
|---|---|
| Soil Type | Clay soils can absorb radar waves, reducing penetration depth, while sandy soils allow for better signal penetration. |
| Moisture Content | Wet soil can increase conductivity and affect the clarity of the scan. |
| Nearby Objects | Metallic objects, tree roots, and buried utilities can create interference and complicate interpretation. |
Engaging a Professional Septic Service for Expert Assistance
Sometimes, locating your septic tank feels like searching for buried treasure. Thankfully, you don’t need a map marked “X” or a metal detector. The easiest and most reliable way to pinpoint your septic system is to call in the pros – a professional septic service. These folks are the real treasure hunters of the wastewater world!
Septic professionals have the experience and specialized equipment to locate your tank quickly and accurately, saving you time, effort, and potential damage to your system. Think of it this way: would you attempt brain surgery on yourself? Probably not. Locating and accessing your septic system requires a certain level of expertise to avoid costly mistakes.
Why Choose a Pro?
Hiring a professional septic service offers several advantages. They bring a wealth of knowledge about septic systems, local regulations, and potential hazards. They can also provide valuable insights into the overall health of your system, potentially identifying issues you weren’t even aware of. This proactive approach can save you money on repairs down the line.
What to Expect
When you contact a septic service, they’ll typically ask for some basic information about your property. This might include the age of your home, the last time your tank was serviced, and any clues you have about its location. Some companies use advanced electronic locating equipment, while others might rely on more traditional methods like probing the ground.
The Locating Process
Professional septic locating services typically employ a combination of techniques. They may begin by reviewing property records and building permits to get an idea of where the tank might be. Next, they might use a metal detector to search for the tank’s access lid. More sophisticated services use electronic locators that transmit a signal through the ground to pinpoint the tank’s precise location. This minimizes disturbance to your yard.
Once located, they can often provide a detailed map of your system, marking the tank, the distribution box, and the drain field. This valuable information is helpful for future maintenance and repairs.
Benefits Beyond Locating
Engaging a septic professional offers benefits beyond simply locating your tank. They can inspect the system’s components for damage, assess the sludge and scum levels, and recommend necessary maintenance or repairs. This proactive approach can help prevent costly emergencies and ensure the longevity of your septic system. It’s like getting a check-up for your underground wastewater treatment plant!
Cost Considerations
The cost of professional septic tank locating varies depending on factors like your location, the size of your property, and the complexity of the job. While it might seem like an added expense, consider the potential costs of digging in the wrong place and damaging your system – or worse, hitting a utility line. Getting it done right the first time often saves money in the long run.
Choosing the Right Service
When selecting a septic service, it’s essential to choose a reputable and experienced company. Look for businesses with positive customer reviews and proper licensing. Don’t hesitate to ask questions about their methods, equipment, and pricing. A good septic service provider will be transparent and willing to explain the process.
Importance of Documentation
Once your septic tank is located, ensure the service provider marks the location clearly and provides you with a detailed diagram or map. Keep this information in a safe place – you’ll need it for future maintenance, inspections, and any potential repairs. This simple step can save you time and hassle down the road. You’ll be thanking yourself later!
| Factor | DIY | Professional |
|---|---|---|
| Accuracy | Low | High |
| Cost | Potentially Low (but risk of higher cost due to errors) | Moderate |
| Time Investment | High | Low |
| Risk of Damage | High | Low |
Marking and Documenting the Septic Tank Location for Future Reference
Knowing where your septic tank lurks beneath the surface is crucial for maintenance, repairs, and preventing accidental damage. Proper documentation ensures you won’t have to go on a treasure hunt every time you need to access it. Plus, it’s valuable information for future homeowners.
Why Bother Marking It?
Think of it like this: would you rather spend an afternoon digging random holes in your yard, or would you prefer to know exactly where to go? Marking the location saves you time, effort, and potential damage to your landscaping. It also makes routine maintenance like pumping much easier for the professionals.
Benefits of Clear Documentation
Beyond just a marker in the yard, proper documentation is essential. Imagine selling your house – providing accurate records of the septic system’s location is a huge selling point. It shows responsible homeownership and saves the new owners the hassle of locating it themselves. It can even prevent accidental damage during renovations or landscaping projects.
Methods for Marking Your Septic Tank
There are several ways to mark the location of your septic tank, ranging from simple DIY solutions to more permanent professional installations.
Simple DIY Markers
For a quick and easy solution, consider using a landscaping flag, a metal rod, or even a large rock strategically placed directly above the tank. While these are budget-friendly options, they can be easily moved or forgotten over time.
More Permanent Solutions
For a more lasting solution, consider installing a septic tank riser. This brings the access point to ground level, making it easily visible and accessible. Another option is to have a small concrete marker installed, which can be engraved with “Septic” for clear identification.
Using Technology to Your Advantage
Consider using GPS coordinates to pinpoint the exact location. You can record these coordinates in a document or even use a mapping app to mark the spot digitally. This is a particularly useful method for larger properties or areas with dense vegetation.
Creating a Septic System Record
Once you’ve marked the location, create a comprehensive record of your septic system. This document should include:
| Information | Description |
|---|---|
| Location Diagram | A sketch of your property showing the septic tank, distribution box, and drain field. |
| GPS Coordinates | Precise latitude and longitude of the septic tank. |
| Tank Size and Material | Capacity (gallons) and material (concrete, fiberglass, etc.). |
| Installation Date | When the system was originally installed. |
| Maintenance History | Dates of inspections, pumpings, and any repairs. |
Storing Your Septic System Records
Keep your septic system records in a safe and easily accessible place. A fireproof safe, a designated file folder, or even a digital copy stored in the cloud are all good options. Make sure anyone who needs to access this information knows where to find it.
Sharing the Information
Don’t keep this information to yourself. Share it with family members, future homeowners, or anyone who might need to access the septic system. This prevents accidental damage and ensures proper maintenance continues down the line. Include it in the homeowner’s information package when you sell the property, demonstrating your responsible stewardship. Think of it as leaving a helpful treasure map for the next generation of homeowners.
Locating a Buried Septic Tank: A Multifaceted Approach
Discovering the location of a buried septic tank can be a crucial task for homeowners, especially during property renovations or system maintenance. While seemingly daunting, several methods can be employed, ranging from simple observation to utilizing professional equipment. A systematic approach combining these techniques often yields the most accurate results.
Begin by reviewing property records. Building permits, septic system installation diagrams, or county health department records can provide valuable clues about the tank’s general location. If these documents are unavailable, examining the home’s plumbing system is the next logical step. Locate the main sewer line exiting the house; the septic tank is typically situated downhill from this point.
Visual inspection of the yard can also be helpful. Look for subtle depressions or greener, more lush vegetation, which can indicate the presence of a buried tank. Probing the ground with a metal rod can further assist in pinpointing the tank’s boundaries. However, exercise caution to avoid damaging the tank or any underground utilities.
For more precise location, consider contacting a septic tank pumping service. These professionals often have specialized equipment, such as electronic locators, that can accurately detect the tank’s position and depth. Investing in a professional service can save time and prevent unnecessary digging.
People Also Ask About Finding a Buried Septic Tank
How can I locate my septic tank without digging?
Several non-invasive methods can help you pinpoint your septic tank. Start by checking your property records for as-built diagrams or septic system permits. Observe your yard for subtle clues like greener patches of grass or ground depressions. Following the main sewer line from your house outwards is also a good indicator. Finally, contacting a septic pumping service can offer the most accurate results without digging, as they utilize specialized locating equipment.
What are the signs of a septic tank in your yard?
Visual Indicators
Look for areas of unusually lush or green grass, even during dry periods. Slight depressions or mounds in the ground can also indicate the presence of a tank. Be mindful of soft or spongy areas, which might suggest a saturated drain field.
Plumbing Clues
Trace the main sewer line exiting your house. The septic tank is generally located downhill from this point. Cleanouts, typically small, capped pipes protruding from the ground, can also indicate the path of the sewer line leading to the tank.
Professional Assistance
If visual cues are inconclusive, contact a septic pumping service. They possess the expertise and equipment to locate your tank accurately.
What is the easiest way to find a septic tank cleanout?
The easiest way to find a septic tank cleanout is to start near the house’s foundation and follow the main sewer line outward. Cleanouts are typically 4-inch diameter pipes, often white or green, with a threaded cap. They are usually located every 50-100 feet along the sewer line and near the septic tank itself. If you cannot locate the cleanout visually, consult your property’s plumbing diagram or contact a professional plumber.