Septic System Terms: The Ultimate Glossary of 60+ Definitions

You're reading your septic inspection report and suddenly feel like you need a translator. What's a baffle? Why does effluent matter? And is a biomat something you should worry about?

Understanding septic system terminology isn't just helpful—it's essential when you're facing repairs, scheduling maintenance, or buying a home with septic. This glossary translates technical jargon into plain English so you can confidently talk with contractors, understand reports, and make informed decisions about your system.

How to Use This Septic Terminology Guide

This glossary organizes terms into practical categories matching real-world situations. Whether you're decoding an inspection report or researching a repair estimate, you'll find clear definitions with context about why each term matters.

Regional variations are included since a "drain field" in Texas might be called a "leach field" in California. You'll also find typical specifications—like the 3-5 year pumping recommendation or the 1,000-gallon standard tank size—so you can spot when quotes seem off.

System Components and Parts

Absorption Field

See Drain Field. Same system component, different regional terminology.

Access Riser

A vertical pipe extending from the septic tank lid to ground level (typically 18", 24", or 30" diameter). Risers eliminate the need to dig down 4-6 feet every time you need pumping or inspection.

💡 Key Takeaway: In northern climates, risers are essential for winter access when ground freezes solid. Installation costs $300-600 but saves that much in excavation fees after just one service call.

Baffle

A barrier inside your septic tank at the inlet and outlet pipes, positioned 2-6 inches from the top or bottom.

Inlet baffles direct incoming wastewater downward, preventing it from stirring up solids. Outlet baffles block floating scum from escaping into your drain field.

⚠️ Warning: When baffles deteriorate (common in older concrete tanks), you'll see grease and solids clogging your drain field—a $3,000-7,000 repair. During your septic inspection, technicians specifically check baffle condition.

Distribution Box (D-box)

A small concrete or plastic box that splits effluent evenly between multiple drain field trenches. Think of it as a traffic cop directing flow to prevent one trench from getting overloaded while others sit dry.

If a D-box settles or tips, all your wastewater flows to one spot, causing premature drain field failure. Leveling a settled D-box costs $500-1,200—much cheaper than replacing your entire drain field.

Effluent

The liquid wastewater that exits your septic tank after solids settle and bacteria do their initial breakdown work. Clearer than what entered the tank, effluent still contains dissolved nutrients and bacteria that need soil treatment. It flows into your drain field where beneficial soil microbes complete the purification process.

📊 Quick Fact: Effluent quality directly impacts drain field lifespan—tanks with damaged baffles release poor-quality effluent that clogs soil pores prematurely.

Effluent Filter

A cartridge installed at the outlet baffle with pores sized 1/16 to 1/8 inch. Filters catch small solids before they enter the drain field, extending its life by 30-50%. You'll need cleaning every 1-3 years during pumping appointments.

Signs of a clogged filter include:

• Slow drains throughout the house
• Gurgling toilets
• Water backing up in lower fixtures

Retrofit installation costs $200-400—excellent insurance against a $5,000-8,000 drain field replacement.

Inlet Pipe

The 4-inch pipe carrying wastewater from your house into the septic tank. It enters the tank at a downward angle to create flow momentum. Root intrusion commonly blocks inlet pipes where they connect to the tank, causing sewage backups into your home. Camera inspections can spot root problems before you face a plumbing emergency.

Lateral Lines

Perforated pipes within your drain field that distribute effluent across the soil absorption area. Conventional systems use 4-inch perforated pipes spaced 6-10 feet apart in gravel-filled trenches. Each line typically runs 50-100 feet. When contractors mention "replacing two laterals," they're talking about $2,000-4,000 depending on access and soil conditions.

Lid

The concrete, plastic, or fiberglass cover sealing your septic tank opening. Residential tanks have 1-3 lids depending on size and design.

⚠️ Warning: Heavy concrete lids (150-250 pounds) should never be removed by homeowners—fatalities occur when people fall into tanks. Cracked or deteriorated lids let groundwater flood your tank, causing hydraulic overload and drain field saturation. Replacement costs $150-300 per lid.

Outlet Pipe

The pipe through which effluent exits the tank toward the drain field, positioned 2-4 inches lower than the inlet pipe. This height difference keeps water flowing in the right direction and creates the retention time needed for proper settling. The outlet pipe should have a baffle or filter to prevent solids escape.

Pump Chamber

A secondary tank used in pressure distribution, drip irrigation, or mound systems where gravity flow isn't possible. Holds 300-500 gallons and contains a pump that activates when effluent reaches a set level. Float switches control the pump—when they fail, you'll see alarm lights and need a service call. Pump replacement runs $800-1,500 including labor.

Scum Layer

The floating mat of grease, oils, soap residue, and other light materials that rises to the top of your septic tank. A healthy scum layer is 2-4 inches thick. When combined scum and bottom sludge layers exceed 30% of tank volume, it's pumping time. Excessive scum (often from garbage disposals or greasy cooking waste) can clog outlet baffles and contaminate your drain field.

Septic Tank

The watertight underground container (typically 750-1,500 gallons for homes) where solids settle and initial bacterial breakdown occurs.

Tank lifespan by material:

• Concrete: 40+ years
• Plastic: 30+ years
• Fiberglass: 30+ years

Your tank should hold roughly 2-3 days of household wastewater, giving solids time to settle before liquid flows to the drain field. Standard residential tanks measure 5 feet wide by 8 feet long by 5-6 feet tall.

Sludge Layer

The heavy solids that sink to the bottom of your septic tank, forming a dark, dense layer. Sludge accumulates at roughly 50 gallons per person annually. When this layer grows too thick (within 12 inches of the outlet pipe), it starts flowing into your drain field and clogging soil pores. That's why professional septic pumping services recommend removal every 3-5 years.

Tank Divider

An internal wall splitting your septic tank into two or three compartments. Multiple compartments improve settling efficiency—the first chamber catches most solids, while subsequent chambers clarify the effluent. Modern tanks typically use two compartments with the first holding 60-75% of total volume.

Drain Field and Soil Treatment Terms

Absorption Area

The total square footage where your drain field treats effluent. Size depends on soil type, percolation rate, and household wastewater volume.

Typical absorption area requirements:

• Sandy soils: 300-500 square feet
• Loam soils: 500-700 square feet
• Clay soils: 700-900 square feet

Health departments calculate this during permitting to ensure adequate treatment before effluent reaches groundwater.

Biomat

A biological layer of bacteria and organic matter that forms where effluent meets soil in your drain field. A thin biomat (1/4 inch) is beneficial—it helps filter and treat wastewater. A thick biomat (over 1 inch) indicates overloading or poor effluent quality and causes drain field failure by blocking soil pores.

✅ Pro Tip: You'll notice soggy areas, sewage odors, and slow drains when biomat problems develop. These issues often stem from infrequent pumping or dumping grease down drains.

Drain Field

The underground area of perforated pipes and gravel where effluent receives final treatment as it percolates through soil. Also called leach field, absorption field, or disposal field depending on your region. In Texas and other areas, you might hear "spray field" for aerobic systems. Typical residential drain fields cover 300-900 square feet and should last 20-30 years with proper maintenance.

Drip Irrigation System

A type of drain field using shallow tubing with tiny emitters that apply small doses of treated effluent just below the soil surface. Popular in arid regions and areas with shallow bedrock. These systems require a pump, filters, and regular maintenance but work in challenging soil conditions. Expect annual maintenance contracts of $200-400 to keep emitters from clogging.

Gravity System

A traditional septic design where wastewater flows downhill by gravity from house to tank to drain field. The most reliable and affordable configuration since there's no pump to fail or electricity required. However, gravity systems need proper slope—at least 1/4 inch drop per foot of pipe. When slope is inadequate, you'll need a pump system instead.

Hydraulic Loading Rate

The gallons per day your drain field receives, typically calculated per square foot of absorption area. Residential systems usually handle 0.4-0.6 gallons per square foot daily. When you host houseguests or develop a plumbing leak, hydraulic overload saturates your drain field faster than soil can absorb it, causing surface water, odors, and system backup.

Infiltrative Surface

The actual soil area in contact with effluent—the bottom and sides of drain field trenches. More infiltrative surface means better distribution and treatment. That's why wider, shallower trenches often perform better than deep, narrow ones. Chamber systems maximize infiltrative surface compared to conventional pipe-and-gravel designs.

Leach Field

Regional term for drain field (see above), commonly used in California, Nevada, and western states. Refers to the "leaching" process as effluent percolates through soil.

Percolation Test (Perc Test)

A required soil test measuring how quickly water absorbs into your ground. Technicians dig test holes, fill them with water, and measure the drop rate—typically expressed as minutes per inch (faster soils = fewer minutes). Results determine drain field size and design.

Typical percolation rates:

• Sandy loam: 10-20 minutes per inch
• Heavy clay: 45-60 minutes per inch
• Extremely fast: under 5 minutes (needs special design)
• Extremely slow: over 60 minutes (requires alternative systems)

Perc tests cost $500-1,500 and are valid for 2-5 years depending on local regulations.

Reserve Drain Field

An additional area set aside during initial installation where a replacement drain field can be built if the primary system fails. Many counties required reserve areas until the 1990s.

✅ Pro Tip: If you have one, protect it—no structures, parking, or soil compaction allowed. When your active drain field fails, having a permitted reserve area saves $3,000-5,000 in engineering and permitting costs.

Soil Absorption System

Technical term for the drain field and surrounding soil that treats effluent through physical filtration, biological digestion, and chemical interaction. The soil is actually the final treatment component—your septic tank just does preliminary work. That's why soil type, depth, and condition matter so much for system performance.

System Types and Technologies

Aerobic Treatment Unit (ATU)

A septic system using mechanical aeration to introduce oxygen, promoting aerobic bacteria that break down waste more thoroughly than standard anaerobic tanks. Required in parts of Texas, Arkansas, and Florida where soil or lot size limits conventional systems.

ATU requirements:

• Electricity for air pumps
• Routine maintenance every 4-6 months
• Component replacement every 5-10 years
• $150-300 annual maintenance contracts (beyond regular pumping)

ATUs produce higher-quality effluent but come with these ongoing costs.

Alternative System

Any septic design beyond the conventional gravity-fed tank and drain field. Includes aerobic systems, mound systems, sand filters, drip irrigation, and recirculating systems. Alternative systems cost $10,000-25,000 installed versus $5,000-10,000 for conventional systems. They're used when soil, topography, groundwater, or lot size prevents standard designs.

Anaerobic System

The traditional septic tank where bacteria break down waste without oxygen. Slower and less complete than aerobic treatment, but reliable, passive (no electricity), and low-maintenance. The anaerobic process produces methane and hydrogen sulfide—that's why septic tanks smell if you open them.

At-Grade System

A drain field built at ground surface rather than in trenches, used where shallow bedrock or high groundwater prevents below-grade installation. Common in New England, upper Midwest, and rocky areas. Sand or gravel is mounded at existing grade, with lateral lines installed on top, then covered with topsoil. You'll see a low, flat raised area in your yard.

Chamber System

Modern drain field design using arch-shaped plastic chambers instead of gravel and perforated pipes. Chambers create void space for effluent storage during high-use periods and provide 30-50% more infiltrative surface than conventional trenches. Installation is faster and they work well in marginal soils. Expect to pay $7,000-12,000 installed—about 15% more than conventional drain fields but with better longevity.

Cesspool

An outdated underground pit with porous walls that allows untreated wastewater to seep directly into surrounding soil. Banned in most states since the 1970s due to groundwater contamination.

⚠️ Warning: If you have one, replacement with a proper septic system costs $8,000-15,000 but is often legally required at property sale. Many still exist in older developments, particularly in Hawaii and rural Northeast areas.

Conventional System

The standard gravity-fed design with a septic tank and below-grade drain field trenches filled with gravel and perforated pipe. Works on level to gently sloping lots with adequate soil depth, percolation rate, and separation from groundwater. This is the baseline system—reliable, affordable, and passive (no electricity needed). About 60% of U.S. septic systems use conventional design.

Drip Irrigation System

See earlier definition under Drain Field Terms.

Mound System

A drain field built in 2-4 feet of imported sand above natural ground level, used where soil is too shallow, slowly permeable, or groundwater is too close to the surface. A pump delivers effluent to the mound. Common in Wisconsin, Minnesota, and areas with high water tables. Mounds cover 1,500-2,500 square feet and cost $15,000-25,000 installed. They require periodic pumping of accumulated sand filters.

Pressure Distribution System

A design using a pump to force effluent evenly through smaller-diameter pipes with precise holes. Better distribution than gravity systems and works on level lots. Popular in Gulf Coast states and Florida. The pump chamber contains a timer or demand dosing controls. Expect 10-15 year pump lifespan and $800-1,200 replacement costs.

Recirculating Sand Filter

An advanced system that repeatedly filters effluent through sand beds before final discharge. Used on sensitive lots near waterways or where extremely high treatment levels are required. Multiple recirculation cycles remove up to 90% of nutrients. Complex and expensive ($18,000-30,000), these systems need professional maintenance contracts and regular media replacement.

Maintenance and Service Terms

Desludging

Another term for septic pumping—removing accumulated solids from your tank. Regional terminology, more common in rural areas. The process is identical to regular pumping.

Inspection

A professional evaluation of septic system condition, typically performed during property sales or as preventive maintenance.

Inspection types and costs:

• Basic inspection ($300-500): pumping, visual component checks, dye testing
• Comprehensive inspection ($500-800): adds camera inspections, drain field probing, detailed reporting

Learn more about how to read your septic inspection report.

Operating Permit

Required in 13 states for certain system types (usually aerobic or advanced treatment). Permits mandate routine inspections, maintenance records, and water quality monitoring. Annual permits cost $100-300.

✅ Pro Tip: If you're buying a home with an ATU in Texas or Florida, confirm the permit is current—past-due permits can prevent property transfers.

Pumping Frequency

How often you should remove accumulated solids from your tank. The standard recommendation is every 3-5 years for a family of four with a 1,000-1,250 gallon tank. Larger households need more frequent pumping, smaller households less.

Track actual sludge levels rather than just calendar dates—your inspector measures layers and tells you when you're approaching the 30% threshold. Average septic pumping costs run $300-600 per visit.

Pump-Out

See Pumping Frequency. Colloquial term for having your septic tank pumped.

Setback Distance

Minimum required separation between septic components and wells, property lines, buildings, or waterways.

Typical setback requirements:

• 50-100 feet from wells
• 10-20 feet from property lines
• 5-10 feet from buildings
• Varies by jurisdiction for waterways

Health departments enforce these during permitting. Existing systems with inadequate setbacks might be grandfathered until they fail or property sells.

System Failure

When your septic system can't properly treat or dispose of wastewater.

Common failure signs:

• Sewage backups into your home
• Persistent wet spots over the drain field
• Strong sewage odors
• Effluent surfacing in your yard

Failure causes and repair costs:

• Lack of pumping (sludge overload): $300-800 for pumping
• Drain field age (biomat clogging): $5,000-15,000 for replacement
• Baffle damage: $400-800 for repair
• Physical damage: varies widely

Watch for these septic system warning signs to catch problems early.

Testing and Inspection Terms

Dye Test

A quick, inexpensive test where inspectors flush colored dye (typically fluorescent green or red) through your plumbing, then check the drain field for surfacing dye. If dye appears, you have system failure and immediate treatment needs. Dye tests don't reveal all problems but catch obvious failures. Cost: $75-150 as part of basic inspections.

Flow Test

Running water continuously to verify your septic system handles normal household volumes without backup. Inspectors might run multiple fixtures simultaneously for 15-30 minutes while monitoring drain speed and checking for surfacing water. This test reveals capacity problems, clogged pipes, or overloaded drain fields.

Sludge Judge

A specialized measuring stick with a hinged flap at the bottom. Technicians lower it through the tank to measure sludge depth. When they pull it up, the flap closes, capturing sludge to measure thickness and check consistency. This tool determines whether you need pumping now or can wait another year.

Video Inspection

Sending a waterproof camera through your pipes to check for cracks, root intrusion, bellies (sags), or blockages. Essential for diagnosing drainage problems before excavating. Most septic inspection services include video inspection of the pipe from house to tank. Full line inspection costs $200-500 but can save thousands in unnecessary digging.

Water Quality and Treatment Terms

Biochemical Oxygen Demand (BOD)

A measurement of organic matter in effluent. Higher BOD means more bacteria needed to break down waste, depleting oxygen that aquatic life needs. Properly functioning septic systems reduce BOD by 40-70%. Advanced systems achieve 85-95% reduction. This matters near sensitive waterways where permits require specific BOD limits.

Blackwater

Wastewater from toilets containing fecal matter and urine. Requires treatment before release. Contrast with graywater (see below).

Coliform Bacteria

Indicator organisms used to measure wastewater treatment effectiveness. High coliform counts in monitoring wells suggest inadequate treatment and potential health risks. Properly functioning drain fields remove 99%+ of coliform bacteria through soil filtration.

Effluent Quality

How well your septic tank clarifies wastewater before discharge to the drain field. Good quality effluent has most solids removed, clear appearance, and moderate BOD levels. Poor quality effluent contains suspended solids, grease, or non-biodegradable materials that clog your drain field. Regular pumping and avoiding garbage disposal use maintains better effluent quality.

Graywater

Wastewater from sinks, showers, washing machines, and dishwashers—everything except toilets. Lower contamination level than blackwater but still requires treatment before release. Some jurisdictions allow separate graywater systems for irrigation, bypassing the septic system.

Groundwater

Water in soil pores and rock formations below the earth's surface. Your septic system must maintain adequate separation (typically 2-4 feet) from seasonal high groundwater to allow proper treatment before effluent reaches drinking water aquifers. High groundwater can flood your tank or saturate your drain field, causing system failure.

Hydraulic Overload

When more water enters your system than your drain field can absorb.

Common causes:

• Plumbing leaks
• Water softener backwash
• Excessive laundry
• Hosting many houseguests

📊 Quick Fact: Your household produces 50-70 gallons per person daily—a family of four generates 200-280 gallons. Knowing this helps you plan for how often to pump your septic tank.

Results in saturated drain field, surface water, and potential system backup.

Nitrogen Loading

The amount of nitrogen your system discharges. High nitrogen levels contaminate groundwater and cause algae blooms in surface waters. Some sensitive areas (Chesapeake Bay watershed, Long Island, Cape Cod) require nitrogen-reducing systems. Standard septic systems remove only 10-25% of nitrogen, while advanced systems achieve 50-70% reduction.

Total Suspended Solids (TSS)

Particles floating or suspended in effluent. High TSS clogs drain field pores, forming impermeable biomat layers. Effluent filters significantly reduce TSS, protecting drain field longevity.

Regional and Regulatory Terms

As-Built Drawing

A diagram showing the actual installed locations of your septic tank, distribution box, drain field lines, and property boundaries. Essential for future pumping and repairs—nobody wants to excavate your entire yard searching for buried components. Request copies from your installer or health department. If unavailable, consider hiring a locator service ($200-400) to map components and create a drawing.

Certificate of Compliance

Official documentation that your system passed inspection and meets current health codes. Required for property transfers in many jurisdictions. Valid for 2-3 years in most states. Obtaining a certificate during sale negotiations costs $300-800 depending on inspection type required. If your system fails inspection, you'll need repairs before certification.

Curtain Drain

A shallow trench filled with gravel and perforated pipe that intercepts and redirects surface water or groundwater away from your drain field. Common in areas with high water tables or on slopes where uphill runoff threatens system saturation. Installation costs $15-25 per linear foot but prevents more expensive drain field flooding problems.

Easement

Legal right-of-way allowing access to septic components for maintenance and repairs. If your drain field crosses into a neighbor's property or your tank sits near the property line, easements ensure future access. Review easements carefully when buying property—you might be responsible for maintaining a system that serves someone else's home.

Licensed Septic Contractor

A professional with state or county certification to install, repair, or modify septic systems. Licensing requirements vary by state but typically include training, exams, bonding, and insurance. Always verify licenses before hiring—unlicensed work voids permits and creates liability. Find qualified septic professionals in your area through our directory of licensed, insured contractors.

Perc Test

See Percolation Test under Drain Field Terms.

Restrictive Layer

Soil or bedrock that limits downward percolation. Includes hardpan (dense clay), bedrock, or seasonal high water table. When restrictive layers sit within 4 feet of the surface, you typically need alternative system designs like mounds or at-grade systems.

Septic System Permit

Authorization from your health department or environmental agency to install, modify, or replace septic components. Permit applications require site evaluation, soil tests, and engineered plans for most systems. Processing takes 2-8 weeks and costs $200-1,500 depending on complexity.

⚠️ Warning: Never skip permits—unpermitted systems cause sale complications and liability issues.

Soil Evaluation

Professional analysis of soil type, depth, percolation rate, and groundwater level to determine suitable system design. Evaluators dig test pits, perform perc tests, and classify soil horizons. Results determine whether you can use conventional systems or need alternatives. Comprehensive evaluations cost $800-2,000 but prevent installing incompatible systems.

Common Questions and Related Terms

Additive

Commercial products claiming to enhance septic performance by adding bacteria, enzymes, or chemicals. Most are unnecessary—your system naturally contains billions of bacteria that multiply as needed. Some additives (especially chemical cleaners) actually harm beneficial bacteria.

✅ Pro Tip: Save your money and follow proper septic system maintenance practices instead.

Garbage Disposal

A convenience appliance that's hard on septic systems. Disposals add 50-100% more organic solids to your tank, requiring more frequent pumping and producing excess grease that clogs drain fields. Many septic professionals recommend against them. If you use one, increase pumping frequency from every 3-5 years to every 2-3 years. Better option: compost food waste.

Non-Biodegradable

Materials that bacteria can't break down.

Common culprits:

• Cigarette filters
• Dental floss
• Cat litter
• Feminine hygiene products
• Condoms
• "Flushable" wipes (which aren't actually flushable)

These items accumulate in your tank, taking up space meant for liquid and eventually clogging pipes or pumps. Learn what not to put in your septic system to avoid expensive repairs.

Root Intrusion

Tree and shrub roots penetrating septic pipes, tanks, or drain fields seeking moisture and nutrients. Clay pipe connections and concrete tank seams are particularly vulnerable. Roots cause blockages, cracks, and system failure.

✅ Pro Tip: Keep trees at least 20-30 feet from all septic components. Willows, poplars, and silver maples are notorious offenders with aggressive root systems.

Septic Alarm

A warning system (usually a red light or audible beeper) indicating problems in pump systems or ATUs.

Common alarm triggers:

• High water level (pump failure)
• Low water level (plumbing leak)
• Equipment malfunction

⚠️ Warning: Never ignore alarms—continued water use with a failed pump causes sewage backup into your home or system overflow.

Septic-Safe

Products labeled as safe for septic systems—usually meaning they don't contain antibacterial chemicals, bleach, or other ingredients that kill beneficial bacteria. Most normal cleaning products used in typical amounts won't harm your system. Problems arise from dumping large quantities of chemicals, using antibacterial products excessively, or flushing hazardous materials. Regular toilet paper, dish soap, and laundry detergent are fine.

Slope

The angle of ground surface or pipes. Proper slope is critical for gravity systems—pipes need 1/4 inch drop per foot minimum. Too flat and waste won't flow; too steep and solids separate from liquid, causing clogs. Drain fields need relatively level ground (0-6% slope) for even distribution. Steep lots require alternative system designs.

Topography

The shape and features of your land surface. Topography determines system type—level lots suit conventional systems, sloped lots might need pressure distribution or mound systems. Health departments evaluate topography during permitting. Poor topography (steep slopes, ravines, wetlands) increases installation costs significantly or makes properties unsuitable for septic systems.

Septic System Terms Reference Table

Here's a quick-reference table of the most common septic terms you'll encounter during inspections, maintenance, or repairs:

Why Understanding Septic Terminology Matters

Knowing these terms protects you from misunderstandings that cost money. When a contractor says "your baffles failed and solids reached your laterals," you'll understand that's a $3,000-7,000 repair, not a $400 pumping. When an inspection report notes "excessive sludge depth at 40% of tank volume," you'll know pumping is overdue.

Regional variations matter too. If you're relocating from Orlando, Florida where most systems are aerobic due to sandy soil and high water tables, to North Carolina where conventional systems dominate, you'll face different maintenance requirements and costs.

Understanding terminology also helps you spot questionable quotes. If a contractor recommends replacing your drain field but hasn't performed a soil evaluation or dye test, you'll know to get second opinions. When someone quotes $15,000 for basic pumping, you'll recognize price gouging since typical septic pumping costs run $300-600.

Getting Professional Help

When you're facing unfamiliar terms in repair estimates or inspection reports, don't hesitate to ask questions. Reputable contractors explain issues in plain language and help you understand options. If someone uses jargon without explanation or pressures quick decisions, consider that a red flag.

For system design, installation, or major repairs, verify contractor licensing through your state health department. Confirm insurance coverage and check references. Complex issues warrant second opinions—the $300 you spend on an independent inspection might save you $5,000 on unnecessary repairs.