Septic in Mebane, NC

Last updated: Mar 21, 2026

Here in Mebane, where we balance small-town charm with a growing, family-friendly vibe, one quiet feature sits just beneath many yards: a septic system keeping waste away from the house and the living spaces above.

Is septic common in Mebane? Should I expect septic if I own or buy a home? Yes. In older neighborhoods and in areas not served by a municipal sewer line, homes typically rely on on-site septic systems. If you own or buy a home here, you should expect a septic system unless the property is connected to city sewer. When you're evaluating a property, ask for installation details, the last pumping date, and maintenance records, and check where the tank and drain field are located so you know what to care for.

What to look for when you're assessing or purchasing a home with septic:

  • Last pump date and maintenance history
  • Confirmation of whether the property is on public sewer or private septic
  • Any past repairs or red flags (surfaces that stay wet, gurgling sounds, or slow drainage)

Why homes typically use septic systems in Mebane

  • Historical pattern of spread-out lots and limited sewer expansion meant extending city lines to every street wasn't always practical or affordable.
  • On-site systems offer a cost-effective solution for single-family homes on larger parcels, avoiding the upfront expense of tying into distant sewer mains.
  • Local soils, when properly engineered and installed, can be well-suited to septic treatment, making an on-lot system a reliable option with proper care.

High-level explanation (why septic exists here)

A septic system treats wastewater right on the property. Wastewater flows from the house into a buried tank where solids settle, then clear water moves into a drain field where soil and microbes complete the treatment before water re-enters the ground. This works best with a well-designed system, regular pumping, smart water use, and avoiding chemicals or materials that can clog or kill the beneficial processes.

A few practical reminders from a neighbor who's also a licensed pro: schedule regular inspections, pump on a plan (typically every 3-5 years for most homes), be mindful of what goes down the drain, and keep the drain field area clear of heavy structures and deep-rooted plants. If you're unsure about anything septic, I'm here to help you understand what your Mebane system needs to stay healthy. In the sections ahead, you'll find practical, neighborly guidance you can trust.

Where Septic Systems Are Common in Mebane

Map of septic coverage in Mebane, NC

Geographic distribution in Mebane

  • Unsewered outskirts: Septic systems are most common on the rural edges of Mebane and in the surrounding countryside where municipal sewer lines do not reach.
  • Historic and large-lot neighborhoods: Older neighborhoods with bigger lot sizes were developed before sewer expansion, so many homes rely on on-site systems.
  • Farms and equestrian properties: Agricultural properties and rural estates typically use septic rather than public sewer.

Why this pattern exists

  • Infrastructure follows density: City sewer lines tend to extend where demand is strongest. Outer areas often grow first with homes on larger parcels, making on-site systems the practical choice.
  • Soil and site suitability: Soil type and groundwater depth in many Mebane areas support septic design, while pockets of poor soil or high water tables push homeowners toward alternative on-site systems rather than connecting to sewer.
  • Cost and practicality: Extending sewer service to sparsely populated parcels is expensive. Septic keeps costs predictable for owners in lower-density zones.

Soil and site factors that shape septic prevalence

  • Soil type matters: Sandy loam or well-drained soils typically support standard drainfields, whereas heavy clays or very shallow soils may require alternative designs.
  • Drainage and groundwater: Properties with high water tables, nearby streams, or shallow bedrock may need mound systems or advanced treatment units.
  • Slopes and setbacks: Steep slopes or proximity to wells and wells may influence system placement and type.

Common system configurations seen in Mebane

  • Conventional septic systems: Most homes in unsewered areas rely on a standard tank-and-drainfield setup.
  • Alternative on-site systems: In areas with marginal soils, you'll find aerobic treatment units or sand/mound systems designed to improve treatment and drainfield performance.
  • Hybrid approaches: Some properties use combination designs (e.g., a septic tank with a pressure-dosed or specially managed drainfield) to accommodate site conditions.

How to tell if your property uses septic or sewer

  1. Check with local services: Contact Alamance County Environmental Health or the City of Mebane to confirm sewer availability for your address.
  2. Look for on-site components: Inspect for a concrete or plastic septic tank lid, access risers, or a visible drainfield area in the yard.
  3. Review records: Pull property records or past permitting documents to confirm whether a septic system was installed and when.
  4. Get a professional check: If you're unsure, hire a licensed septic contractor or a soil and site professional to locate and assess the system.

Quick-reference indicators for Mebane homeowners

  • You're on a septic system if your property sits on a rural lot with no city sewer connection map or utility bill indicating sewer service.
  • You're near sewer if you're in a clearly developed core area with mapped sewer lines and monthly sewer charges.

Official resources to learn more

Septic vs Sewer: What Homeowners in Mebane Should Know

How a septic system differs from a sewer connection

  • Public sewer means wastewater goes through municipal pipes to a treatment facility. A septic system treats wastewater on your property in a tank and a buried drainfield.
  • Responsibility and billing: sewer service is managed by the local utility with regular monthly or quarterly bills; a septic system is owned and maintained by the homeowner.
  • Space and layout: septic needs space and soil suitable for a drainfield; sewer relies on existing underground lines owned by the utility.
  • Costs over time: sewer has ongoing utility charges; septic incurs installation costs up front and periodic pumping and maintenance.

How to tell if your home uses septic or connects to sewer in Mebane

  • Check your property records, deed, or tax map for a sewer line or septic field location.
  • Contact the local utility or town hall to confirm whether your property is connected to public sewer.
  • Look for a sewer bill versus a private septic pumping schedule. If you receive a monthly utility bill for sewer, you're connected to a public system; if not, you likely have a septic system.
  • If in doubt, have a licensed septic contractor perform a site evaluation or a professional inspector review your records.

Costs and financial considerations

  • Public sewer: initial connection fees set by the utility, plus ongoing sewer charges based on usage.
  • Septic system: installation typically ranges from several thousand to tens of thousands of dollars, depending on tank size, soil conditions, and permits. Ongoing costs include regular pumping (often every 3–5 years), occasional inspections, and potential repairs.
  • Long-term outlook: a well-maintained septic system can last many decades; a failure can lead to costly repairs and environmental concerns.

Maintenance: septic vs sewer

  • Septic system maintenance
    • Schedule regular septic pumping and inspections (every 3–5 years for many homes; more often for high usage or certain soil conditions).
    • Protect the drainfield: plant grasses only, avoid heavy equipment, and keep drainage paths clear.
    • Be mindful of what goes down the drain: avoid flushable wipes, grease, solvents, and harsh chemicals that can disrupt the system.
    • Conserve water to reduce load on the system.
  • Public sewer maintenance (performed by the utility)
    • Utilities handle routine sewer line maintenance, clog removal, and system upgrades. Be mindful of avoiding root intrusion and know your property's backflow risks.

Practical steps for Mebane homeowners

  1. Confirm your system type with property records or the local utility.
  2. If septic, schedule a baseline inspection and plan a pumping timeline.
  3. Create a simple maintenance calendar: pump every 3–5 years, test for drainfield issues, and monitor for surface pooling or odors.
  4. Practice water- and chemical-sparing habits to protect the drainfield.
  5. If any signs of trouble appear (backups, gurgling drains, odors, or wet spots in the yard), contact a licensed professional promptly.

Resources

  • EPA Septic Systems:
  • CDC: Septic Systems and Household Water Quality:

Typical Septic System Types in Mebane

Conventional septic systems

  • What you'll likely see: a standard two-chamber septic tank connected to a drainfield or leach field.
  • How it works: wastewater flows into the tank, where solids settle to the bottom and scum rises to the top. Clearer liquid (effluent) exits to perforated pipes buried in a shallow trench with gravel and soil beneath.
  • Pros and cons:
    • Pros: simple design, generally lower upfront cost, easy maintenance with regular pumping.
    • Cons: performance depends on soil percolation and groundwater; poorly drained soils can overload the system.
  • Maintenance basics: pump every 3–5 years (varies by household size and usage); conserve water to protect the drainfield; avoid flushing fats, solvents, or non-biodegradable items.

Mound systems

  • When they're used: in areas with shallow bedrock, high water tables, or very poorly draining soils.
  • How they differ: an elevated drainfield built above the native soil with monitored fill material to create a suitable absorption area.
  • Pros and cons:
    • Pros: expands usable building lots; works in challenging soils.
    • Cons: higher installation cost and more seasonal inspection requirements.
  • Maintenance: similar pumping cadence to conventional systems, plus regular inspection of the mound components.

Aerobic treatment units (ATUs) and compact systems

  • What they are: compact, energy-powered units that aerobically treat wastewater before it reaches the drainfield.
  • How they work: incorporate mechanical and biological treatment to reduce organics and pathogens; often paired with a drainfield for final dispersion.
  • Pros and cons:
    • Pros: better permitting flexibility in marginal soils; higher effluent quality, which can extend drainfield life.
    • Cons: higher ongoing electrical use and service needs; more frequent maintenance checks.
  • Maintenance: service contracts typically require periodic servicing, automatic dosers, and quarterly/psemiannual inspections.

Sand filters and evapotranspiration (ET) beds

  • What they are: alternative treatment methods where effluent passes through porous media (sand) or an ET bed where moisture evaporates or transpires through vegetation.
  • Pros: effective in soils with limited absorption or specific climate conditions; can improve effluent quality.
  • Cons: larger footprint; performance sensitive to maintenance and plant health.
  • Maintenance: regular system inspections, vegetation management, and routine pumping as recommended.

Drip irrigation and other advanced distribution methods

  • How they're used: distribute effluent more evenly over a landscape or reuse treated water under controlled conditions in landscape beds.
  • Pros: efficient use of space and water; potential for smaller footprint drainfields.
  • Cons: more complex design and monitoring; requires certified installers and regular checks.
  • Maintenance: leak checks, emitter cleaning, and adherence to local disposal rules.

Choosing the right system for your Mebane property

  1. Get a soil and site evaluation by a licensed onsite wastewater professional.
  2. Have a percolation test and groundwater assessment to determine absorption potential.
  3. Review local permits, setbacks, and county/state requirements (Alamance County health guidance applies to Mebane).
  4. Consider future needs (workload, family size, expansions) and long-term maintenance costs.
  5. Obtain design options and quotes from qualified installers; verify warranty and service plans.

Maintenance and local resources

  • Regular inspections and pump-outs improve system life; follow manufacturer and local guidance.
  • Water-use reduction, proper disposal practices, and avoiding chemical additives protect soils and microbes.
  • Licensed professionals should inspect and service your system; keep records of all maintenance.

For official guidance and detailed design standards, see:

  • (NC State Extension Onsite Wastewater)

Common Septic Issues in Mebane

Common signs your septic may be failing

  • Slow drains and frequent clogs in sinks, tubs, or toilets
  • Foul, rotten-egg-like odors around the septic tank, leach field, or outdoors
  • Gurgling sounds in plumbing when water is poured or flushed
  • Wet, lush, or unusually spongy patches in the yard above the drain field
  • Sewage backups in toilets or basement drains after heavy rainfall

Mebane-specific factors that contribute to septic problems

  • Soil and drainage characteristics: Mebane sits in the Piedmont region where soils can be clay-heavy with limited natural drainage. This can slow infiltration and push more wastewater toward the drain field, increasing the risk of field saturation during wet seasons.
  • Seasonal rainfall and saturation: After heavy rain events, saturated soils reduce the drain field's ability to absorb effluent, leading to surface dampness or backups.
  • Tree roots and landscaping: Mature trees and shrubs with aggressive roots nearby can invade the septic field or line trenches, causing blockages or ruptures.
  • Aging systems in older neighborhoods: Many homes in older parts of town may have septic systems nearing or beyond their design life, increasing the likelihood of baffles failing, tanks corroding, or distribution pipes deteriorating.
  • Development and compaction: Past or ongoing subdivision activity can compact soils or alter drainage patterns, reducing absorption capacity around the drain field.

How issues typically manifest in Mebane

  • Drain-field saturation after rain: Even a well-maintained system can struggle when the soil around the field is waterlogged.
  • Root intrusion events: Roots lifting or clogging pipes can cause slow drains, backups, or wet spots in the yard.
  • Overuse in small lots: High daily water use (long showers, laundry-heavy days) can exceed what a smaller septic system was designed to handle, especially if pumped infrequently.
  • Improper disposal exacerbations: Fats, oils, greases, chemicals, or non-degradable items entering the system worsen solids buildup and can harm beneficial bacteria.

Practical maintenance steps (simple, proactive care)

  1. Schedule regular pumping and inspection
    • Typical interval: every 3–5 years for average households; more often for smaller tanks or high-usage homes.
  2. Conserve water
    • Distribute laundry across days; use high-efficiency fixtures; fix leaks promptly.
  3. Mind what goes down the drain
    • Use toilets for human waste and toilet paper only; dispose of fats/oils in the trash; avoid flushing Plumbing Chemical Cleaners or non-biodegradable items.
  4. Protect the drain field area
    • Keep cars, heavy equipment, and livestock off the drain field; plant only shallow-rooted vegetation nearby; maintain a clear area around the absorption bed.
  5. Inspect after large weather events
    • If drainage looks abnormal after storms, consider a professional assessment to prevent long-term damage.

Quick troubleshooting steps before calling a pro

  1. Check for foul odors or pooling water near the septic tank access lid and drain field.
  2. Observe whether multiple fixtures are slow at the same time, suggesting a system-wide issue.
  3. Look for wet spots or spongy soil just above the drain field—these can indicate overflow or saturated soil.
  4. Note recent usage patterns (high water use days) and any changes in landscaping or drainage around the system.
  5. Review recent chemicals or cleaners used in the home that could affect beneficial bacteria.

When to contact a licensed professional or local authorities

  • Backups or strong odors persist after maintenance or pumping
  • Visible wet areas or effluent surfacing in the landscape
  • Suspected root intrusion, collapsed joints, or damaged tanks
  • You're unsure about the system's design capacity for current usage

Official resources for reference

  • NC Department of Environmental Quality — On-Site Wastewater Program:
  • NC Cooperative Extension — Septic Systems:
  • U.S. Environmental Protection Agency — Septic Systems: https://www.epa.gov/septic
  • Alamance County Health Department — On-site Wastewater / Septic Guidance: https://www.alamance-nc.com/health/

Septic Inspection, Permits & Local Oversight

Local oversight in Mebane, NC

Septic systems in Mebane fall under North Carolina's Onsite Wastewater Program, with local administration handled primarily by Alamance County Environmental Health. Some city-specific processes may exist through Mebane's Building/Planning offices. Start by confirming requirements with both the county health department and the city's building department to avoid delays. Official resources:

What gets inspected

  • New septic system installations
  • Replacements or major repairs
  • Modifications that affect drainfields, leach fields, or tank placement
  • Decommissioning a failing or unused system
  • Sometimes routine maintenance plans and records when tied to a permit

Note: Routine pumping and basic maintenance typically don't require a separate permit, but maintaining good records is important for resale and compliance.

Permits you may need

  • New system permit (installation from design to completion)
  • Repair/alteration permit for significant changes to components or drainage
  • Decommissioning permit if you're abandoning an old system
  • Permits may be tied to plan reviews, site evaluations, or tank specifications
  • In some cases, local jurisdictions require coordination with the city for any work within public right-of-ways or drainage easements

How to obtain a permit (step-by-step)

  1. Confirm jurisdiction for your project with Mebane's Building/Planning Department and Alamance County Environmental Health.
  2. Gather required information: property parcel, proposed system type, design details, site sketch, and any previous septic records.
  3. Hire a licensed wastewater system designer/installer who can prepare compliant plans and conduct the installation per NC rules.
  4. Complete and submit the permit application with the needed fees and plan package to the correct agency (county health department or city as directed).
  5. Respond to comments from plan reviewers and update documents as needed for approval.
  6. Schedule and pass inspections at key milestones: trench/soil evaluation, installation of tanks and drains, backfilling, and final system startup.
  7. Obtain final approval/operating permit and keep the official paperwork on file for future property transactions.

Inspections and timing

  • Inspections are typically scheduled through the issuing office (county health department or city building department) and must be completed before covering any trenching or backfill.
  • Expect field inspectors to verify soil conditions, tank placement, baffles, risers, pump chambers, and proper grouting or sealants.
  • Additional inspections may be required if you change the system design, connect to a new structure, or relocate components.

Documentation and maintenance records

  • Keep a ready copy of the approved plan, permit, and inspection reports.
  • Maintain a maintenance log for pumping dates, inspections, and any repairs.
  • When selling the home, be prepared to provide septic system records; in NC, a seller's disclosure may reference system status and any due maintenance.

Selling, transferring, or upgrading a system

  • If you're purchasing, have the septic inspected by a qualified professional as part of the closing process.
  • Upgrades or upgrades-to-compliant systems will require permit amendments and inspections per NCDEQ and local rules.
  • For relocation or repairs near property lines or driveways, local approvals may be needed in addition to state permits.

Official resources for reference

Septic Maintenance for Homes in Mebane

Local conditions in Mebane

Mebane sits in a climate that brings regular rain and occasional heavy storms. Wet seasons can saturate drainfields, while dry spells can stress the tank contents if water use isn't balanced. Soil types around town range from compacted, clay-heavy pockets to looser, sandy layers, which affects how quickly wastewater percolates. In all cases, routine care and mindful water use keep your system functioning and protect local groundwater.

Routine maintenance checklist

  • Inspect and pump: Most households with a 1,000-gallon tank should plan a professional pump-out every 3–5 years, depending on household size and water usage. If you have a smaller tank or a high-occupancy home, more frequent pumping may be needed.
  • Recordkeeping: Maintain a simple service log (pump dates, technician notes, any observed issues). This helps when you upgrade or sell your home.
  • Water use: Spread laundry and dishwashing across the day; avoid super-heavy laundry loads in one cycle. Use high-efficiency fixtures where possible.
  • What goes in—what stays out: Only toilet paper and human waste should go into the system. Avoid flushing wipes (even "flushable"), feminine hygiene products, medicines, cooking fats, oils, and harsh chemicals. Use septic-safe cleaners sparingly.
  • Drainfield protection: Keep vehicular and heavy equipment off the drainfield area. Plantings should be shallow-rooted; avoid deep-rooted trees or shrubs directly above the leach field.
  • Drainage around the tank: Ensure roof drains and sump pump discharges are directed away from the septic system to prevent waterlogging of the drainfield.
  • Kitchen grease: Use a grease trap or limit fats and oils entering the system; disposing of fats in the trash helps prevent clogging and odor issues.
  • Landscaping buffer: Maintain a clear area above the drainfield with grass that can be mowed regularly; avoid asphalt, concrete, or compacted soil directly over the field.

Mebane-specific soil and groundwater considerations

  • Soil variability: In some Mebane neighborhoods, clay-rich soils drain slowly, which increases drainfield saturation risk after heavy rains. In looser soils, percolation can be faster but still requires regular pump-outs and careful loading.
  • Wet seasons: Prolonged rainfall can raise the water table near drainfields. During or after storms, monitor for surface drainage issues and postpone major water-intensive activities if you notice sluggish drains.
  • Well proximity and groundwater: If your home uses a well, maintain separation distances recommended by state and local regulations to protect drinking water sources. Regular inspections by a licensed pro are prudent when wells and septic systems share proximity.

Common issues in Mebane and prevention

  • Foul odors or slow drains: Often indicate a tank that's full or a buried component failing. Schedule a pump and inspection if detected.
  • Standing water over the drainfield: Could mean hydraulic overload or a saturated soil condition; reduce water usage and have a pro evaluate loading and distribution.
  • Gurgling sounds or backups: Schedule an inspection promptly to rule out blockages, failed baffles, or effluent piping problems.
  • Landscaping changes over the drainfield: New patios, sheds, or altered grading can impact drainage. Keep the area above the field accessible and free of heavy construction.

Emergency signs and when to call a pro

  1. Strong sewer odors inside or outside the home.
  2. Sewage backup in toilets or sinks.
  3. Pools of water or unusually lush grass directly over the system.
  4. Sudden drains returning slowly after rainfall or power issues with pumps.

If you notice any of these signs, contact a licensed septic professional promptly. They can perform a tank inspection, assess the drainfield, and coordinate any needed pumping or repair work.

Official resources and handy references

  • North Carolina Department of Environmental Quality (Onsite Wastewater Program) for permits, rules, and guidance:
  • U.S. Environmental Protection Agency septic system information and homeowner tips: https://www.epa.gov/septic
  • Alamance County Health Department (environmental/onsite wastewater information): https://www.alamance-nc.com/health/
  • Local regulatory context and reporting guidelines: check your town or county's official site for septic-related ordinances and resources.

Cost Expectations for Septic Services in Mebane

Septic Tank Pumping and Cleaning

Regular pumping removes sludge and prevents backups. In Mebane, older homes with smaller tanks and clay soils can influence when pumping is needed and how accessible the tank lid is.

  • What the service includes:
    • Pumping out liquids and sludge from the tank
    • Inspection of baffles, inlet/outlet tees, and tank condition
    • Removing solids and ensuring proper long-term flow
    • Checking lids, risers, and access for future maintenance
  • What's unique to Mebane:
    • Many local homes sit on clay-heavy soils that slow drainage, making regular pumping more impactful for long-term performance
    • Tank sizes commonly range from 1,000–1,500 gallons in older Mebane homes
  • Typical cost in Mebane: $250–$450; extra charges may apply for large tanks, difficult access, or disposal fees
  • Official resource (permits/regs):

Septic System Inspections

Inspections help verify system function, identify problems early, and meet lender or code requirements.

  • What the service includes:
    • Visual inspection of the septic tank, lids, baffles, and pump chamber (if present)
    • Assessment of the drainfield and soil absorption area
    • Check for odors, standing water, or surface signs of failure
    • Written report with findings and recommendations
  • What's unique to Mebane:
    • Real estate transactions often require a formal onsite wastewater assessment; local inspectors may emphasize soil and drainfield condition specific to Alamance County soils
  • Typical cost in Mebane:
    • Standard inspection: $200–$350
    • Real estate/transaction inspection: $250–$450
  • Official resource (permits/regs): https://deq.nc.gov/about/divisions/water-resources/wastewater-management/onsite-wastewater-management

Septic System Maintenance Plans

Routine maintenance helps prevent surprises and extends tank life.

  • What the service includes:
    • Scheduled pumping reminders and service visits
    • Basic system checks (lids, pumps, and alarms) and maintenance recommendations
    • Documentation to keep on file for future buyers or lenders
  • What's unique to Mebane:
    • Local contractors often offer annual or multi-visit maintenance plans tailored to the age of area systems and common tank sizes
  • Typical cost in Mebane:
    • Annual maintenance plan: $200–$400 per year (pricing varies by service level and tank size)
  • Official resource (permits/regs): https://deq.nc.gov/about/divisions/water-resources/wastewater-management/onsite-wastewater-management

Septic Tank Repair

Repairs fix leaks, damaged baffles, or failed components without replacing the entire system.

  • What the service includes:
    • Diagnostic testing to locate leaks or blockages
    • Baffle replacement, lid/cover repairs, or pump repair as needed
    • Temporary measures to prevent backups during repair work
  • What's unique to Mebane:
    • Clay soils and aging tanks can accelerate wear on tank components; timely repairs reduce field damage
  • Typical cost in Mebane:
    • $2,000–$7,000 for common fixes; more extensive repairs can reach $8,000–$12,000 depending on scope
  • Official resource (permits/regs): https://deq.nc.gov/about/divisions/water-resources/wastewater-management/onsite-wastewater-management

Drainfield Repair and Replacement

Drainfield health is critical; failures here are common indicators of long-term system stress.

  • What the service includes:
    • Site evaluation, soil testing, and distribution system assessment
    • Repair of damaged trenches or lines, or full drainfield replacement
    • Soil moisture management and corrective measures
  • What's unique to Mebane:
    • Local soil profiles (clay content and depth to groundwater) influence repair strategies and material choices
  • Typical cost in Mebane:
    • Repair: $3,000–$8,000
    • Replacement: $6,000–$15,000 (drainfield) or more for mound/advanced systems
  • Official resource (permits/regs): https://deq.nc.gov/about/divisions/water-resources/wastewater-management/onsite-wastewater-management

New Septic System Installation

If you're building or replacing a failed system, design and install are major investments.

  • What the service includes:
    • Site evaluation, design, and permitting
    • Installation of septic tank, distribution, and drainfield (conventional or alternative)
    • Post-installation testing and initial start-up checks
  • What's unique to Mebane:
    • Soil and groundwater considerations may necessitate alternative systems (e.g., mound or advanced treatment)
    • Permit processing timelines can vary with local approvals
  • Typical cost in Mebane:
    • Conventional system: $7,000–$15,000
    • Alternative/advanced systems (mound, sand filter): $15,000–$25,000 or more
  • Official resource (permits/regs): https://deq.nc.gov/about/divisions/water-resources/wastewater-management/onsite-wastewater-management

Perc Test and Soil Evaluation (for new systems)

Soil testing confirms suitability and guides design.

Emergency/Backup Pumping

Urgent service to prevent or relieve a backup.