Learn how to discover a buried septic tank is a very powerful for householders and assets homeowners. Correct septic tank location wisdom is very important for preventative upkeep and doable upkeep. Ignoring the site may end up in expensive issues down the road, starting from expensive upkeep to environmental hazards.
This information supplies a complete evaluate of finding buried septic tanks, protecting quite a lot of strategies, gear, and issues. From figuring out doable clues to complex ways, this useful resource equips readers with the data had to find their septic tank safely and successfully.
Advent to Septic Tank Location
Figuring out the correct location of your septic tank is a very powerful for keeping up a wholesome and useful house. A correctly maintained septic gadget contributes considerably to the well-being of your house and the surroundings. Ignoring the site of your septic tank may end up in expensive and probably unhealthy penalties. This segment will light up the significance of septic tank location, outlining the hazards related to its forget and offering a fundamental evaluate of commonplace septic tank sorts.Figuring out the site of your septic tank is paramount.
A hidden septic tank can pose dangers to your own home’s construction and basis, and it’s important to keep away from digging or building paintings close to an unknown location to stop injury to the gadget. Moreover, understanding the site allows you to plan for long run upkeep or replacements. The lifespan of a septic tank varies relying on utilization, upkeep, and the precise design.
Because the tank ages, its location turns into much more a very powerful, as growing older techniques can enjoy leaks or require vital upkeep that necessitate correct wisdom of the gadget’s structure.
Significance of Septic Tank Location
Correct septic tank location is significant for combating injury to the gadget throughout building, landscaping, or different floor paintings. Figuring out the correct location of the tank prevents injury to the piping and parts, minimizing the danger of expensive upkeep. Unexpected excavation or unintentional injury will also be have shyed away from. Additionally, understanding the site facilitates long run upkeep and upkeep, minimizing disruptions and price.
Standard Septic Tank Lifespan and Significance of Location
Septic tank lifespans are influenced via quite a lot of elements, together with the frequency of upkeep, the kind of tank, and the quantity of wastewater treated. Typically, a well-maintained septic tank can remaining for 20-30 years, however elements like harsh winters, soil composition, and widespread use can considerably impact the lifespan. For instance, a tank in a area at risk of heavy rainfall or frost heaving will want extra widespread inspection and upkeep, making the site much more vital.
Not unusual Septic Tank Sorts and Sizes
The next desk Artikels commonplace septic tank sorts and their conventional sizes. Those dimensions are approximate and will range relying on native codes and design specs. Figuring out the tank sort and length is very important for making plans and execution of long run upkeep and upkeep.
| Septic Tank Kind | Standard Measurement (Duration x Width x Intensity) |
|---|---|
| Conventional Concrete Tank | 10 toes x 6 toes x 6 toes |
| Plastic Tank | 8 toes x 4 toes x 6 toes |
| Double Compartment Tank | 12 toes x 8 toes x 8 toes |
Figuring out Possible Clues
Unearthing a buried septic tank is not at all times a lottery; regularly, telltale indicators muddle the panorama, hinting at its hidden presence. Figuring out those signs can considerably slim your seek radius, saving effort and time. A scientific manner, coupled with a prepared eye, is a very powerful.Cautious statement of the valuables’s structure and historical past can light up doable clues, regularly lost sight of. Those insights, coupled with an information of conventional septic tank set up practices, can develop into a frightening process right into a methodical procedure.
Not unusual Visible Indications
Figuring out what to search for is a very powerful in figuring out a buried septic tank. Not unusual visible cues can regularly lead you to the tank’s location. Those come with depressions or rather sunken spaces within the floor, which may well be proof of a in the past disturbed space. Noticeable diversifications in soil texture or crops patterns may also level in opposition to the tank’s location.
Those visible cues are regularly delicate however extremely indicative of a possible buried septic tank.
- Depressions and Sunken Spaces: A delicate melancholy or dip within the backyard’s terrain can symbolize a prior excavation for the tank’s set up. This could be accompanied via rather other soil sorts or crops expansion. For instance, a patch of compacted soil surrounded via looser, extra herbal soil may point out a former excavation website online.
- Abnormal Crops Patterns: Variations in plant expansion can regularly divulge buried utilities. A space with sparse crops, or a patch of surprisingly wholesome or colourful crops in comparison to the encircling space, can trace on the presence of a septic tank. The soil composition underneath a wholesome patch could be other from the encircling space. This may well be led to via water retention or nutrient diversifications.
- Soil Diversifications: A transformation within the soil’s texture or colour may sign the tank’s presence. As an example, compacted or oddly textured soil round a suspected space may just point out the excavation procedure. This may well be accompanied via a slight variation within the soil’s colour or drainage patterns.
Landscaping Clues
Landscaping too can be offering delicate clues a few septic tank’s location. Earlier landscaping adjustments or contemporary adjustments can regularly divulge disturbances across the tank’s location. Practice any deviations from the usual landscaping practices. Those deviations may well be the results of the septic tank’s presence.
- Previous Landscaping Adjustments: A historical past of landscaping paintings, in particular the ones that specialize in a selected space, generally is a a very powerful indicator. Believe spaces the place the unique landscaping may had been altered, such because the addition of a patio, flowerbeds, or a garden. Any vital landscaping paintings can have been influenced via the presence of a septic tank, requiring changes to the bottom stage.
- Fresh Soil Disturbances: Fresh digging or landscaping actions close to a suspected space may just level in opposition to a buried tank. The desire for digging or grading in a selected location could be connected to the tank’s presence, as this can have been essential for upkeep or changes.
Belongings Information and Documentation
Thorough assets analysis can yield precious details about a septic tank’s location. Earlier assets information, particularly the ones with regards to the septic gadget, supply necessary insights.
- Earlier Belongings Information: On the lookout for earlier assets information, reminiscent of software or building paperwork, is necessary. Those paperwork may come with blueprints, maps, or upkeep logs that supply an in depth evaluate of the valuables’s infrastructure, probably revealing the site of the septic tank. Those paperwork may just additionally point out the kind of septic gadget used and its doable location at the assets.
Search for any point out of septic gadget installations or upgrades within the information.
Equipment and Apparatus for Finding
Unearthing a buried septic tank calls for the proper gear. Figuring out which apparatus to make use of relies closely at the particular instances of the process, together with the soil sort, the age of the tank, and any earlier makes an attempt at finding it. The selected manner will have to stability accuracy with practicality, taking into account the possible value and time funding.
More than a few Finding Strategies
More than a few strategies are hired to pinpoint buried septic tanks. Those vary from easy visible inspections to stylish digital detection ways. Cautious attention of every manner’s functions and boundaries is a very powerful for good fortune.
- Visible Inspection: This system comes to cautious exam of the bottom, in search of any indicators of earlier excavation, reminiscent of disturbed soil, or noticeable settling within the floor. That is regularly a initial step, figuring out spaces desiring additional investigation. Its effectiveness relies in large part at the soil sort and the visibility of any earlier paintings. This is a cheap manner however lacks precision, regularly requiring extra complex ways to observe.
- Floor Penetrating Radar (GPR): GPR makes use of radio waves to penetrate the bottom and create a visible illustration of subsurface buildings. The picture produced presentations the tank’s Artikel and intensity. GPR is extremely efficient for finding buried items, even in difficult soil prerequisites. On the other hand, it is dearer than different strategies and calls for educated body of workers to function and interpret the information as it should be.
- Steel Detectors: A steel detector can find the tank if it is product of steel. Its simplicity and coffee value make it a realistic choice for initial searches. On the other hand, its effectiveness is proscribed to metal tanks and is much less dependable in spaces with top steel content material within the soil. It will not be efficient in spaces with clay or different non-conductive soil sorts.
- Excavation and Soil Checking out: This system comes to digging trial holes or trenches to bodily find the tank. That is an immediate manner, however it’s also probably the most time-consuming and expensive choice. Soil checking out, at the side of excavation, can assist establish the correct location of the tank and any surrounding problems. That is regularly a final lodge when different strategies fail.
Comparative Research of Finding Equipment
The effectiveness and price of various finding gear range considerably.
| Software | Effectiveness | Value | Benefits | Disadvantages |
|---|---|---|---|---|
| Visible Inspection | Low | Low | Easy, affordable | Calls for excellent visibility, now not exact |
| GPR | Top | Top | Correct, adaptable to quite a lot of soil sorts | Dear apparatus, calls for professional operator |
| Steel Detector | Medium (if metal tank) | Low | Easy, moveable | Restricted to metal tanks, much less correct |
| Excavation and Soil Checking out | Top | Top | Direct location, unearths problems | Time-consuming, expensive, disruptive |
Benefits and Disadvantages in Particular Situations
The collection of finding device relies closely at the situation.
- Tight Budgets: Visible inspection or a steel detector may suffice for preliminary tests. On the other hand, if the tank is suspected to be non-metallic, or in a difficult soil sort, different strategies is also essential. Value-effectiveness will have to be balanced in opposition to the desire for precision.
- Advanced Soil Stipulations: GPR is regularly the most suitable choice for figuring out the tank in complicated soil prerequisites, providing top accuracy and flexibility. Steel detectors may end up unnecessary in such instances. GPR is probably the most tough device in such eventualities.
- Restricted Time: Visible inspection, or a snappy steel detector sweep, may well be the quickest choice. On the other hand, it can be inadequate for exact location. If time is of the essence, and accuracy is significant, GPR could be the most suitable option.
Ways for Finding Septic Tanks: How To To find A Buried Septic Tank
Unearthing a buried septic tank is not a sport of likelihood; it calls for a scientific manner. A radical working out of the average ways, blended with cautious execution, minimizes the danger of wear and tear to the tank and surrounding soil. This segment delves into sensible strategies for finding septic tanks, highlighting the a very powerful position of non-destructive ways.
Floor-Penetrating Radar (GPR)
GPR makes use of electromagnetic waves to symbol subsurface buildings. This non-invasive manner is extremely efficient in figuring out buried items, together with septic tanks. The primary comes to sending radar pulses into the bottom, and measuring the time it takes for the mirrored alerts to go back to the receiver. Variations within the go back alerts supply insights into the subsurface, enabling the identity of the tank’s form, length, and placement.
- Knowledge Acquisition: A specialised GPR antenna is moved around the suspected space, emitting and receiving radio waves. The apparatus information the mirrored alerts. The operator will have to care for a constant pace and intensity of penetration.
- Knowledge Processing: The amassed information is processed the use of specialised instrument to generate a 2D or 3-d symbol of the subsurface. This symbol unearths the site, length, and form of the septic tank, offering exact coordinates for excavation.
- Interpretation: The GPR symbol will show anomalies comparable to the septic tank’s presence. The tank’s form, in particular the presence of the tank’s quilt and its feature rounded or oblong geometry, must be noticeable. The presence of any ordinary anomalies will have to be additional investigated.
Electromagnetic Finding Equipment
Electromagnetic finding gear make the most of the primary of precipitated currents to locate buried metal items. Those gear are in particular efficient for locating steel septic tanks. They emit electromagnetic pulses, and the ensuing reaction is measured to find the tank’s place.
- Calibration and Atmosphere: The device’s sensitivity will have to be adjusted to the precise prerequisites of the bottom. Operators must moderately observe the producer’s directions to keep away from faulty readings.
- Scanning Process: The device is moved systematically over the suspected space. Diversifications within the sign energy point out the presence of buried steel. Those diversifications are recorded and used to pinpoint the tank’s location.
- Decoding Effects: A transparent sign, regularly represented via a selected tone or a visible show, corresponds to the metal tank. The energy and consistency of the sign depth can assist to resolve the tank’s approximate length and form. A extra intense and constant sign suggests a bigger and extra simply identifiable tank.
Mechanical Digging and Surveying
In instances the place different strategies are inconclusive or impractical, conventional mechanical excavation and surveying ways can be utilized. This manner comes to cautious digging and staining of the site, adopted via checking the precise location and length of the septic tank the use of measuring gear.
- Website Overview: Prior to any excavation, it’s important to rigorously read about the website online for doable stumbling blocks and utilities. This comprises checking for within reach pipes, cables, and different infrastructure. A radical website online survey will decrease the danger of wear and tear.
- Excavation and Marking: The excavation must observe a scientific trend, keeping up a secure distance from the anticipated tank’s place. The precise location of the tank will have to be exactly marked throughout the excavation.
- Size and Verification: As soon as the tank is uncovered, its dimensions, and different vital traits, are moderately measured and recorded. Measurements must align with the anticipated length of a septic tank.
Concerns for Other Terrain
Unearthing a buried septic tank is not a one-size-fits-all enterprise. The panorama, from rolling hills to flat plains, and the soil composition considerably have an effect on the effectiveness of your seek. Figuring out those variables is a very powerful for tailoring your manner and extending the possibilities of good fortune.Numerous terrain and soil sorts can considerably affect the site and accessibility of a septic tank.
This necessitates adapting your seek strategies to verify accuracy and potency.
Have an effect on of Terrain on Septic Tank Location
Other terrains provide distinctive demanding situations in finding buried septic tanks. Hilly spaces, as an example, regularly contain asymmetric floor, making it tough to determine a constant seek trend. Flat terrains, whilst reputedly more practical, can hide the tank underneath thick layers of topsoil, requiring cautious probing and systematic exploration. Rocky spaces pose issues because of the possibility of obstructions and the desire for specialised gear to navigate the asymmetric terrain.
Affect of Soil Composition on Location Strategies
Soil composition performs a pivotal position in figuring out the effectiveness of finding strategies. Sandy soils, with their free construction, permit for more uncomplicated penetration, making some strategies simpler. Clay soils, conversely, are dense and proof against penetration, necessitating the usage of extra tough apparatus or changes to ways. The presence of rocks or different obstructions within the soil additional complicates the hunt, requiring further precautions and changes to go looking strategies.
Finding Ways Tailored to Particular Terrain Sorts
Suitable ways for septic tank location will have to be adapted to the precise terrain. In hilly spaces, using a mixture of visible statement, soil probing, and ground-penetrating radar (GPR) can yield higher effects. A visible survey from top issues can regularly divulge delicate anomalies, whilst GPR is efficacious in rocky or dense soil sorts. For flat terrains, systematic grid patterns for excavation and cautious use of steel detectors or ground-penetrating radar can end up helpful.
The usage of a handheld steel detector or a magnetometer over a suspected space will also be extremely advisable in figuring out buried ferrous metals.
Adjusting Seek Strategies for Difficult Terrains
Navigating difficult terrains calls for adaptability and a resourceful manner. In rocky spaces, the use of specialised gear for soil penetration, reminiscent of a post-hole digger or auger, is essential to triumph over stumbling blocks and make sure correct readings. In dense soil sorts, extra tough strategies, reminiscent of using a specialised soil-penetrating radar or auger, are necessary. For all terrains, combining other strategies, reminiscent of visible inspection, ground-penetrating radar, and handheld steel detectors, regularly ends up in extra a hit effects.
Moreover, cautious documentation of the hunt space and a methodical manner can help in refining seek methods in difficult environments.
Prison and Protection Precautions
Unearthing a buried septic tank calls for cautious attention of native laws and protection protocols. Ignoring those sides may end up in expensive errors, doable criminal problems, and critical protection hazards. Figuring out the related laws and procedures is a very powerful for a a hit and secure excavation.Navigating the intricacies of native ordinances is paramount. Compliance with laws safeguards the integrity of our surroundings and guarantees that the excavation procedure is carried out in a fashion that respects public protection.
Failing to stick to those requirements may end up in vital consequences and headaches.
Native Laws and Allows
Native construction codes and environmental laws regularly dictate the procedures for excavating septic tanks. Those laws range considerably from one jurisdiction to some other. Subsequently, it is very important to visit the related native government to resolve the precise necessities on your space. Examples come with acquiring lets in for excavation, adherence to express depths for trenching, and adhering to laws in regards to the disposal of excavated fabrics.
Significance of Allows or Permissions
Acquiring the essential lets in or permissions isn’t simply a formality; it is a a very powerful step in making sure compliance with native laws. A allow verifies that the excavation adheres to native protection requirements, protects public well being, and guarantees that the undertaking is performed in response to environmental coverage pointers. With out the correct lets in, you could face vital criminal repercussions and headaches.
The method might come with inspections throughout the excavation procedure, making sure that each one paintings is finished consistent with the allow prerequisites.
Protection Precautions for Running Close to a Septic Tank
Correct protection precautions are necessary when operating close to a septic tank. Those precautions mitigate the danger of harm or sickness, offer protection to the surroundings, and make sure a secure operating setting.
- Protecting Tools: At all times put on suitable private protecting apparatus (PPE), together with protection glasses, gloves, robust boots, and a difficult hat. This coverage is very important for shielding in opposition to doable hazards like falling particles, sharp items, or publicity to destructive components.
- Environmental Coverage: Correct disposal of excavated fabrics and adherence to laws relating to water and soil contamination are a very powerful. Mistaken disposal may end up in vital environmental penalties, probably affecting groundwater high quality and the encircling ecosystem.
- Correct Excavation Ways: Using the proper excavation ways, together with the usage of suitable gear and gear, is necessary to keep away from destructive the septic tank and surrounding buildings. Wary excavation is a very powerful for combating accidents and making sure the integrity of the septic gadget.
Procedures for Contacting Related Government
Figuring out the right kind channels for contacting related government is very important in case of unexpected instances or for those who come across problems throughout the excavation procedure.
- Figuring out Related Government: The precise government concerned will range relying for your location. This may come with native construction departments, environmental companies, or well being departments. You want to establish the proper government prior to any excavation starts.
- Documentation of Problems: Keeping up detailed information of any problems, issues, or demanding situations encountered is vital. This documentation serves as a very powerful proof in case of disputes or emergencies.
- Following Directions: Totally following the directions and pointers supplied via the related government is very important for making sure a easy and compliant excavation procedure. Failure to observe those pointers may end up in delays, headaches, or issues of safety.
Case Research and Examples
Unearthing a buried septic tank is not at all times a simple procedure. Actual-world eventualities regularly provide distinctive demanding situations that call for cautious attention and adaptable methods. A hit location tales, together with the hurdles triumph over, supply precious courses for navigating the complexities of septic tank detection.This segment delves into sensible examples, showcasing the varied vary of scenarios encountered and the answers hired.
Figuring out those case research will equip you with a more potent basis for tackling equivalent duties in quite a lot of terrain sorts.
A hit Septic Tank Location Situations
Actual-world good fortune tales show the effectiveness of thorough reconnaissance and exact ways. A home-owner in a suburban space, as an example, effectively situated their tank the use of a mixture of ancient information, soil research, and ground-penetrating radar (GPR). The house owner’s information indicated the approximate location, which used to be additional delicate the use of GPR scans. The method used to be environment friendly and have shyed away from needless digging.
Demanding situations and Answers Encountered
Finding septic tanks is not at all times a easy procedure. One instance concerned a house owner with a steeply sloped lot. The problem used to be that the present information have been out of date, and the bottom prerequisites hid the tank’s precise place. The answer concerned a mixture of trenching in strategic places, supplemented via centered GPR scans to as it should be pinpoint the tank’s exact place.
Those blended strategies have been very important for a hit location in complicated terrains.
Not unusual Problems and Answers, Learn how to discover a buried septic tank
| Factor | Answer |
|---|---|
| Old-fashioned or faulty information | Seek the advice of ancient information, if to be had. Use more than one strategies like GPR, trenching, and soil research. |
| Advanced terrain (e.g., steep slopes, rocky spaces) | Make use of a mixture of trenching, GPR, or even exploratory digging to navigate the demanding situations posed via complicated terrain. |
| Restricted get admission to or limited spaces | Make use of non-invasive strategies like GPR or magnetic surveys to keep away from needless digging in delicate spaces. |
| Obstructions hindering visibility | Make use of ways like trenching, or use specialised apparatus like GPR to find the septic tank during the obstructions. |
| Suspect location in line with signs (e.g., gradual drainage, foul scent) | Mix symptom research with exploratory trenching, GPR scans, and visible inspections to resolve the correct location. |
Illustrative Septic Tank Layouts
Figuring out septic tank layouts is a very powerful for environment friendly location efforts. A regular structure may contain a tank located horizontally underneath the bottom floor, hooked up to empty traces that result in a leach box. Diversifications exist, together with tanks located vertically or with distinctive leach box configurations. Illustrations can assist visualize those diversifications.As an example, a horizontal tank located underneath a sloped backyard can be depicted with a sloping floor contour protecting the tank and connecting drain traces, making its place extra obvious.
Every other instance may just exhibit a vertical tank inside of a good house, appearing how the vertical positioning affects the encircling soil and connecting pipes. A schematic of a tank with an unconventional leach box design may just show a posh configuration.
Complex Ways (Non-compulsory)
Unearthing a buried septic tank can once in a while contain demanding situations that standard strategies may now not deal with. This segment delves into specialised approaches, in particular ground-penetrating radar (GPR), and complicated apparatus, offering a toolkit for complicated scenarios. Figuring out those complex ways empowers pros to take on intricate subsurface landscapes with precision and self assurance.
Floor-Penetrating Radar (GPR)
GPR makes use of electromagnetic waves to symbol subsurface buildings. This non-invasive manner supplies detailed visualizations of the buried septic tank, providing precious details about its length, form, and placement with out bodily excavation.
- Mechanism of GPR: A GPR unit emits pulses of radio waves into the bottom. Those waves come across other fabrics with various electric houses, resulting in reflections. The time it takes for those reflections to go back to the unit, coupled with the depth of the sign, permits for the advent of a picture of the subsurface. The larger the adaptation in electric conductivity between fabrics, the more potent the mirrored sign.
- Benefits of GPR: GPR provides vital benefits over conventional strategies. It could pinpoint the tank’s actual location with top accuracy, minimizing the desire for intensive digging. Additionally, it is non-destructive, which means no injury is inflicted at the surrounding space, protective the surroundings and probably saving sources.
- Boundaries of GPR: GPR’s effectiveness will depend on {the electrical} conductivity contrasts between the septic tank and the encircling soil. Top water content material or dense soil can impact sign penetration, probably lowering the standard of the picture and proscribing the accuracy of the detection. Moreover, buried metal items can intervene with the sign.
Specialised Apparatus and Device
Past GPR, refined apparatus and instrument support the detection procedure. Those gear streamline information acquisition, processing, and interpretation, enabling sooner and extra correct effects.
- Knowledge Acquisition Apparatus: Top-resolution GPR gadgets with adjustable antenna frequencies permit for fine-tuning the detection procedure for various soil sorts and tank configurations. Moreover, specialised sensors are used to collect further information, like soil moisture content material, which will also be built-in with GPR readings for advanced research.
- Device for Knowledge Processing: Specialised instrument translates the GPR information to create an in depth subsurface symbol. The instrument plays sign processing, filtering, and symbol enhancement to spotlight the objective septic tank and differentiate it from different buried options.
- Integration of Knowledge Assets: Knowledge from quite a lot of assets, reminiscent of aerial surveys, earlier information, and geological reviews, will also be built-in with GPR information to refine the site prediction and help within the interpretation of effects. This integration provides a holistic working out of the website online, making improvements to accuracy.
Decoding GPR Knowledge for Septic Tank Detection
Decoding GPR information for septic tank detection calls for experience. Cautious research of the picture’s options is a very powerful.
- Figuring out the Goal: A particular anomaly within the GPR symbol this is in step with the recognized form and length of a septic tank can point out the tank’s location. The form of the ambiguity, its intensity, and its reflectivity in opposition to the encircling soil are a very powerful signs.
- Floor Reality Affirmation: Whilst GPR provides top accuracy, verifying the site with a tribulation dig or different strategies can give further self assurance. Combining GPR information with different data assets can validate the accuracy of the consequences.
- Figuring out Diversifications: The GPR sign’s interpretation will also be suffering from soil prerequisites, together with moisture content material and density. Figuring out those elements can lend a hand in figuring out false positives and making sure accuracy within the interpretation of the information.
Ultimate Evaluation
Finding a buried septic tank comes to cautious attention of quite a lot of elements, from doable clues to complex ways. Figuring out native laws, protection precautions, and the precise traits of the valuables’s terrain is a very powerful for a hit identity. This information supplies a structured manner, equipping readers with the essential wisdom and gear to navigate the method successfully and safely.
Not unusual Queries
What are the standard sizes of septic tanks?
Septic tank sizes range considerably relying at the family’s water utilization and native laws. A common tenet is to be had within the “Advent to Septic Tank Location” segment.
How do I interpret effects from finding gear?
Decoding effects will depend on the precise device used. Seek the advice of the device’s handbook and search skilled steerage if essential. The “Equipment and Apparatus for Finding” segment supplies main points on other gear.
What are the protection precautions when operating close to a septic tank?
Protection precautions come with dressed in suitable private protecting apparatus (PPE), making sure correct air flow, and heading off touch with probably hazardous fabrics. The “Prison and Protection Precautions” segment Artikels those vital issues.
What if I will not find my septic tank the use of those strategies?
In case you are not able to find the septic tank, seek the advice of a certified plumber or a certified septic gadget inspector. They possess the experience and gear to find the tank successfully.
