Septic in London, OH

Here in London, Ohio, tree-lined streets and newer subdivisions sit alongside rural lanes where private septic systems are still the norm. You'll notice buried tanks and grassy mashes behind garages or in side yards—quiet reminders that wastewater solutions here are often on-site rather than connected to a distant public sewer.

Is septic common in London? Should I expect septic if I own or buy a home?

Yes. In London and much of Madison County, many homes aren't on city sewer lines. If your home isn't connected to a municipal system, there's a strong chance it uses a septic system. If you're buying, ask for the septic permit history, the date of the last pump, and maintenance records. Have the system inspected by a qualified septic contractor before closing, so you're not surprised by a pump, repair, or replacement price down the road.

Why homes typically use septic systems in London

• Practicality and cost: Extending centralized sewer lines to every street and property can be expensive and logistically challenging, especially in growing or rural areas.
• Lot sizes and layout: London-area homes often sit on properties with space for a drain field and soils that can treat wastewater on-site.
• Environmental stewardship: On-site treatment helps protect wells, streams, and groundwater in local neighborhoods when properly designed and maintained.
• Historical development: The town's growth pattern over decades relied on private waste-water solutions where centralized sewer wasn't immediately available.

High-level explanation: why septic exists here

A septic system is a simple, proven on-site solution that treats wastewater underground. Wastewater flows into a tank where solids settle, liquids move on, and bacteria begin breaking down organic matter. The clarified liquid then travels through a drain field where it percolates into the soil. The effectiveness of this system hinges on good soil, adequate space, and regular maintenance. In London, this approach remains a practical, economical way to manage household waste where city sewer service isn't feasible or cost-effective.

What to keep in mind as a London homeowner

• Maintenance cadence: most tanks are pumped every 3–5 years, depending on size, usage, and household habits.
• Protect the drain field: keep heavy equipment off fields, and plant carefully to avoid tree roots compromising the system.
• What goes in matters: minimize fats, oils, grease, and non-biodegradable materials; a disposal habit beyond the system's design reduces performance.
• Watch for warning signs: gurgling fixtures, wet or spongy areas over the drain field, odors, or repeated backups warrant a professional check.
• If you're buying: request current inspection records, verify tank size, and confirm there are no outstanding permit or pumping needs.

Where Septic Systems Are Common in London

Rural and fringe neighborhoods

In London, septic systems are most common on properties outside the central sewer service area or on larger lots where it isn't practical to extend public sewer lines. These homes often rely on private systems because connecting to a municipal system isn't available or would be prohibitively expensive.

• Large lots (½ acre or more) with homes built before sewer expansion reached the area
• Rural or semi-rural streets where sewer access ends at the edge of developed zones
• Properties with challenging terrain or water features where a sewer main would be costly to install

Older city-adjacent areas without sewer expansion

Many older neighborhoods near the city core were developed before extensive sewer networks were installed. If you live in these pockets, you're more likely to have a septic system or a cluster of septic fields serving several homes. The lack of continuous sewer lines in these zones makes septic a practical choice for wastewater management.

• Homes built in the mid-to-late 20th century or earlier
• Areas where street-by-street sewer expansion paused or bypassed newer developments
• Properties with limited space for future sewer line extension

Soil and terrain that favor septic use

Septics perform best when the site has suitable soil and drainage. London's varied soils mean some parcels are ideal for septic, while others require more careful design and maintenance.

• Favorable soils: permeable, moderately well-drained soils (such as loams) support effluent dispersion
• Challenging soils: heavy clays, high clay content, or perched water tables can impede leach-field performance
• Groundwater: sites with adequate separation between the septic system and groundwater reduce the risk of contamination

What this means for homeowners in London

Knowing where septic is common helps you plan proper maintenance, inspections, and potential upgrades or connections to sewer if they become available.

• Maintenance cadence matters: most households pump every 3–5 years, but usage and tank size can shift that window
• Field protection is essential: keep vehicles off the drain field, plant low-root vegetation nearby, and avoid heavy chemical inputs over the area
• Regular inspections prevent surprises: a proactive check can catch clogs, pooling, or odor issues before they escalate

How to identify if your property uses septic (step-by-step)

1. Check with the city or county to confirm whether your property is on municipal sewer or septic service. If you're unsure, start with the City of London offices or the Madison County health resources for guidance.
2. Look for the septic components in your yard: a buried tank access lid, a distribution box, and a drain field area.
3. If you don't have clear records, hire a licensed septic inspector or installer to locate, inspect, and document the system.
4. Create a simple maintenance plan: schedule pump-outs and annual inspections, and document dates and service providers.
5. Plan around pumping: avoid driving or parking on the drain field, and be mindful of landscaping or construction activities nearby.

Official resources

• Ohio EPA: Onsite Wastewater Systems (septic) information for homeowners and professionals

• U.S. EPA: Septic Systems overview and guidelines

Septic vs Sewer: What Homeowners in London Should Know

How septic systems work vs sewer

• Septic system: Wastewater from your home goes to a septic tank on your property. Solids settle in the tank, liquids move to a drain field where soil and biology complete treatment. Regular pumping and inspection keep it functioning.
• Sewer system: Wastewater leaves your home through municipal pipes and is treated at a central facility by the city or county. Maintenance and operation are handled by the sewer utility; you pay ongoing sewer bills.
• Key difference: ownership and responsibility. With septic, you own the system and its upkeep. With sewer, the city or county maintains the public network and treatment plant.
• Environmental note: properly operated septic systems protect groundwater and streams by treating effluent on-site. Leaks or overland flow can impact nearby wells and surface water; sewer systems reduce on-site treatment risks but rely on properly functioning pipes and treatment plants.

London, OH specifics: local soils and climate

• Local soils and geology affect drain-field performance. Clay-heavy or compacted soils slow effluent infiltration and may require larger or alternative system designs.
• Seasonal conditions matter. Freezing and thaw cycles influence drainage and may necessitate frost-protected components or setback considerations.
• Proximity to wells and water sources matters. If you rely on private wells, ensure proper separation distances and consider regular groundwater testing.
• Property size and grading influence siting. Sloped lots or shallow bedrock can change drain-field placement and maintenance needs.

Costs and long-term considerations

• Upfront costs:
  • Septic system installation: typical range varies by lot, tank size, and soil conditions.
  • Sewer connection: one-time hookup fees, permits, and potential trenching requirements.
• Ongoing costs:
  • Septic: pumping every 3–5 years (more often for high usage), inspections by the pro, and any necessary repairs.
  • Sewer: monthly or quarterly service charges based on usage and local rates.
• Resale and compliance: well-maintained systems reduce risk of costly repairs later and help with resale value. Local codes require proper maintenance and timely pump-outs.

Is sewer available where you live?

• Check with your local authority: contact City of London Utilities or the Madison County wastewater/health department to confirm sewer availability for your address.
• If sewer is available:
  • Expect connection feasibility assessments, permits, and potential impact on drainage fields or landscaping.
  • Plan for any needed upgrades to your interior plumbing to meet sewer service standards.
• If sewer is not available:
  • A properly designed and maintained septic system is often the reliable option for single-family homes.

Maintenance basics you should know

1. Schedule a professional septic inspection every 3 years (more often for high-occupancy or heavily used homes).
2. Pump the tank every 3–5 years, or as advised by your local pro based on tank size and solids buildup.
3. Minimize waste and avoid sending fats, oils, grease, chemicals, retardants, or non-biodegradable items into the system.
4. Protect the drain field: keep heavy equipment off, plant only grass over the area, and avoid construction or drainage changes near the field.
5. Conserve water: spreading out laundry, fixing leaks, and using high-efficiency fixtures reduces load on the system.

Quick reference: choosing septic vs sewer in London

• Septic advantages: on-site control, potentially lower long-term utility bills, independence from municipal outages.
• Sewer advantages: centralized treatment, less hands-on maintenance, and reduced risk for well contamination if your system isn't suitable.
• Both require ongoing care and adherence to local regulations to protect your home and the environment.

Official resources

• US EPA Septic Systems:
• Ohio Department of Health Onsite Wastewater/OSTS information:

Typical Septic System Types in London

Conventional Septic Systems

The standard setup for many London homes is a conventional septic system with a septic tank and a soil absorption field (drainfield). It relies on buried pipes and natural soil to treat effluent.

• Components: septic tank, distribution/field lines, and a drainfield designed for your soil type.
• How it works: wastewater flows from the house into the tank, where solids settle; liquids move to the drainfield for final treatment in the soil.
• Pros and cons: simple, cost-effective, and durable when soils are suitable; performance depends on adequate soil permeability and proper maintenance.

Alternative Onsite Wastewater Systems

If soil or groundwater conditions aren't ideal for a conventional system, London properties may use alternative onsite options.

• Mound Systems: elevated beds built above the natural soil using imported sand or aggregate to provide a suitable infiltration area.
• Sand Filter Systems: a filtering bed or unit that further treats effluent before it reaches the soil.
• Chamber Systems: modular plastic chambers replace traditional gravel trenches, offering a compact, adaptable drainfield with good load distribution.

Aerobic Treatment Units (ATU)

ATUs provide higher levels of treatment and are used when conventional or alternative systems aren't enough to meet local requirements.

• How they work: an aerobic chamber adds air to treat wastewater, producing a higher-quality effluent that is discharged to a drainfield or infiltrative bed.
• Maintenance: typically requires regular servicing, filters, and power; monitoring and annual inspections by a licensed technician are common.
• When they're a fit: useful in limited-space lots, poor soils, or where stricter effluent standards apply.

Drip Irrigation and Other Advanced Options

Some London properties employ advanced or hybrid approaches to manage effluent more efficiently.

• Drip irrigation systems: apply treated effluent in small, controlled amounts to landscaping or turf; require proper planning and maintenance.
• Evapotranspiration (ET) beds or other innovations: designed to minimize groundwater impacts in challenging soils, often with professional design and installation.

Site and Soil Considerations in London, OH

Soil and site conditions drive system choice and design around London.

• Soil tests and percolation: soil type and absorption capacity determine feasible drainfield size and configuration.
• Groundwater and slope: high water tables or steep slopes can push designers toward mound or chamber systems.
• Protective setbacks: space from wells, streams, and property lines influence system layout and accessibility for maintenance.

Maintenance and Inspections Basics

Ongoing care protects your investment and keeps London systems functioning.

• Schedule regular pumping: conventional tanks typically require pumping every 3–5 years; more frequent service may be needed for ATUs or homes with higher water use.
• Water-use habits: spread out laundry and dishwashing, fix leaks, and use water-saving fixtures to reduce load on the system.
• Protect the drainfield: avoid parking or heavy equipment over the absorption area; plant shallow-rooted vegetation and prevent chemical dumping near the field.
• Keep records: maintain pumping notices, repairs, and system upgrades in a safe, accessible place.

Official Resources

• Ohio EPA Onsite Wastewater Treatment Systems:
• U.S. EPA Septic Systems: https://www.epa.gov/septic

Common Septic Issues in London

Drain field saturation and failure in clay soils

• Signs to watch:
  • Soggy yard patches, seepage, or standing water near the septic area
  • Slow drains, backups, or foul odors in plumbing
  • Lush, wet spots that don't dry out after rainfall
• Why London-specific:
  • Central Ohio soils around London are often clay-heavy with limited natural drainage.
  • Spring rains and a seasonal rise in the water table can saturate the drain field more quickly than in sandy soils.
  • Many homes in this area are older, with drainfields designed decades ago and not refreshed to modern loading rates.
• What you can do (practical steps):
  1. Have a professional evaluate the leach field with a camera and soil test to confirm saturation and percolation limits.
  2. Reduce hydraulic load: spread out laundry, use high-efficiency fixtures, and fix leaks.
  3. Avoid driving or parking on the drain field and keep trees or shrubs away to prevent root intrusion.
  4. If saturated, consider field replacement or upgrading to a mound/drainage-enhanced system as advised by a licensed pro.
  5. Schedule regular pumping and maintenance to monitor solids buildup.

Tree roots and pipe damage

• Signs to watch:
  • Slow drains, gurgling sounds, or backups in multiple fixtures
  • Visible cracks or depression in the yard above the septic area
• Why London-specific:
  • Many London yards have mature trees with aggressive roots growing toward moisture and nutrients.
  • Clay soils can direct roots toward any available moisture path, increasing the likelihood of intrusion into pipes.
• What you can do:
  1. Have lines inspected with a sewer cam to locate root intrusion.
  2. Install root barriers when reconfiguring landscape or replacing lines.
  3. Plant non-invasive vegetation at a safe distance from the system.
  4. If roots are severe, remove the affected pipe section and repair with professional guidance.
  5. Schedule perpetual maintenance to catch root intrusion early.

Inadequate maintenance and pumping schedules

• Signs to watch:
  • Strong sewage odor in the yard or near the tank
  • Slow flushing, gurgling toilets, or frequent backups
• Why London-specific:
  • Older systems may have fewer accessible components, making routine pumping and inspection easier to skip.
  • Seasonal occupancy (seasonal homes, guests) can confuse the optimal pumping interval.
• What you can do:
  1. Establish a regular pumping schedule with a licensed septic professional (typical 3–5 years, depending on usage and tank size).
  2. Have baffles and lids inspected to prevent solids from escaping into the drain field.
  3. Keep a maintenance log and adjust the schedule after big changes in household size or water use.
  4. Avoid overloading the system with solids; use a trash can for wipes and non-flushables.

Flushing inappropriate items and overuse of chemicals

• Signs to watch:
  • Frequent clogs, toilet backups, or unusual odors
  • Evidence of solids in the effluent or drain field distress
• Why London-specific:
  • Widespread use of garbage disposals or household cleaners without regard to septic capacity can overwhelm older lines in this region.
  • Some homes have limited access to professional maintenance, making education on proper use crucial.
• What you can do:
  1. Don't flush wipes, feminine products, grease, solvents, paints, or chemicals.
  2. Use septic-safe products and limit harsh cleaners that kill beneficial bacteria.
  3. Compost kitchen scraps when possible and reduce overall solids entering the system.
  4. Schedule periodic inspections to catch solids buildup early.

Sump pumps and foundation drains connected to the system

• Signs to watch:
  • Foundation drain or sump pump water entering the septic tank
  • Frequent bubbling or effluent surface near the tank
• Why London-specific:
  • Homes with basements and heavy rainfall can push large volumes of water toward the septic system, stressing the drain field.
• What you can do:
  1. Reroute sump pump discharges away from the septic system or into a stormwater system where allowed.
  2. Install a check valve or separate drainage arrangement to prevent backflow.
  3. Have a professional assess whether the drainage pattern affects system loading.

Well-water and septic proximity concerns

• Signs to watch:
  • Changes in well water quality or quantity, odors, or staining in fixtures
  • Local advisories about groundwater contamination risk
• Why London-specific:
  • Rural pockets around London rely on private wells, which can be affected by septic failures if not properly positioned and maintained.
• What you can do:
  1. Test well water regularly (at least annually) and after septic issues.
  2. Maintain proper setbacks between wells and septic components (and follow local codes).
  3. If a problem is suspected, consult your local health department for guidance.

Official resources

• EPA: Septic Smart and best practices

• Ohio EPA (Onsite Wastewater information)

Septic Inspection, Permits & Local Oversight

Local oversight in London, OH

• London sits within Madison County, so most permit and inspection requirements come through the county health district and the city's building department, per Ohio state rules. Local departments review plans, issue permits, schedule inspections, and verify that installations meet setback, soil, and drainage standards.
• The process can include soil testing, system design review, installation permits, and a final inspection before you can use the system. Always confirm with your local offices early to avoid delays.

Permits you'll need

• On-site Wastewater System permit for new installations, substantial repairs, or system replacements.
• Soil evaluation/perc test results that support the proposed drain field size and configuration.
• Plan review approval (if your jurisdiction requires it) and a corresponding permit packet.
• Decommissioning or abandonment permit if you ever retire an old system.
• If you're in a subdivision or have an HOA, check for any additional rules that may apply.

Step-by-step: Getting permits and inspections

1. Confirm jurisdiction: Call the London city building department and/or the Madison County Health District to determine which permits and inspections apply to your property.
2. Hire licensed professionals: Use an Ohio-licensed septic installer (and, if required, a design professional) to prepare plans and oversee the work.
3. Conduct soil testing: A qualified professional performs the soil evaluation to determine suitable drain-field size and configuration.
4. Prepare and submit the permit package: Include site plans, system sizing, drainage-field layout, and any required fees. Obtain the permit before starting work.
5. Begin installation and pass at key stages: Schedule inspections at critical milestones (e.g., tank placement, trenching, backfilling, and final connection).
6. Final inspection and as-built documents: Have the system reviewed for compliance and keep as-built drawings and inspection certificates for your records.

What inspectors check during inspections

• Compliance with setbacks from wells, property lines, foundations, and water features.
• Correct tank sizing, placement, baffles, lids, and risers; accessibility for pumping and servicing.
• Proper installation of the septic tank(s), distribution box, and drain-field components.
• Correct soil absorption system installation: trench depth, perforated pipe, gravel or media, and proper cover.
• Absence of cross-connections, venting adequacy, and electrical/controls where applicable.
• Proper backfill, compaction, and site protection to prevent settling or damage.
• Availability and accessibility of cleanouts and pump chambers.

After the final inspection: records and ongoing care

• Receive an official certification or compliance letter, and keep all permits and as-built drawings on file.
• Schedule regular maintenance per manufacturer guidelines and local code (typically a pump every 2–3 years for standard systems; more for advanced or elevated systems).
• If you sell the home, have the system disclosure and records ready for the buyer.
• If corrective actions are required, follow the inspector's direction and arrange a re-inspection.

Helpful resources

• Ohio Department of Health – On-site Wastewater Treatment Systems:
• Ohio Administrative Code 3701-29 – On-site Wastewater Treatment Systems:

Septic Maintenance for Homes in London

London-specific seasonal considerations

London sits in central Ohio with cold winters and wet springs. Freeze-thaw cycles can affect the distribution field and soil structure, and heavy spring rainfall can saturate soils and temporarily reduce absorption. Plan maintenance activities (like pumping or inspections) for times when the ground is unfrozen and drier. In summer, conserve water during peak usage to prevent overloading the system, and avoid fertilizer-heavy activities near the drain field.

Routine maintenance rhythm for London homes

• Pump your septic tank regularly. Typical households with a 1,000–1,500 gallon tank should consider pumping every 3–5 years, but frequency depends on tank size, number of occupants, and wastewater habits.
• Schedule annual inspections with a licensed septic contractor. Look for baffles, tank lids, and inlet/outlet casing integrity, plus signs of drainage field stress.
• Keep thorough records. Note pumping dates, inspection findings, repairs, and any changes in water usage.

Step-by-step annual maintenance (recommended)

1. Identify tank size and current usage
2. Confirm the tank capacity and the number of bedrooms or expected occupants to tailor pumping intervals.
3. Schedule pumping with a licensed pro
4. A qualified technician should remove the sludge and scum layers, measure the depths, and verify baffles and connections.
5. Inspect the drain field area
6. Look for surface dampness, strong odors, or lush, unusually green patches that may indicate compromised drainage.
7. Review household habits and fixtures
8. Check for running toilets, leaky faucets, and high-flow devices that waste water. Upgrade to water-saving fixtures where possible.

Protect the drain field in London soils

• Keep the area vehicle-free and free from heavy equipment. Compacting soil can reduce absorption capacity.
• Plant only shallow-rooted grasses; avoid trees or shrubs with aggressive roots near the field.
• Maintain a setback buffer around the drain field and wells; do not seed, fertilize, or build structures directly over it.
• Redirect roof runoff, sump pumps, and other surface water away from the drain field to avoid oversaturation.
• Use septic-safe products and minimize non-biodegradable waste; avoid flushing wipes, fats, oils, or chemical cleaners that disrupt microbial activity.

Common problems and quick fixes

• Slow drains or gurgling sounds: limit water use and call a licensed septic professional for an inspection.
• Nearby odors or wet, soggy drain area: this may indicate a failing soil absorption area; halt use of the affected part of the system and get an expert assessment.
• Backups into sinks or toilets: stop using plumbing and contact a pro immediately—do not attempt DIY fixes that could worsen damage.
• Decreased tank efficiency after heavy rainfall: monitor usage and schedule an inspection; oversaturation can reduce treatment efficiency.

Local regulations and trusted resources

• Your local health department (Madison County area) oversees permits, inspections, and setback requirements for septic systems; check with them for site-specific rules and forms.
• For general guidance on how septic systems work and best practices, consult official resources:
  • U.S. Environmental Protection Agency (EPA) Septic System Page:
  • Ohio Department of Health onsite wastewater resources:

If you need specifics about local setback distances, permit requirements, or recommended contractors in London, contact the Madison County health or building department and reference the official state and federal septic resources above.

Cost Expectations for Septic Services in London

Septic Tank Pumping

• What it includes: removing the settled solids from the tank, checking baffles, inspecting lids or risers, and recording tank depth. In London, crews often check nearby piping and access paths (driveways and yards can affect access in winter).
• London specifics: winter freezes and clay soils can make access or excavation tougher, sometimes increasing time and fuel costs. Tanks over 1,000 gallons may require larger trucks or additional manpower.
• Typical cost in London: roughly $300–$500 for a standard 1,000–1,250 gallon tank; $450–$600 for larger tanks or difficult access.

Septic System Inspections (Real Estate / Pre-Purchase)

• What it includes: visual tank and drain-field assessment, lid/access checks, and a basic functional check of the system; many inspectors will note if a pumped inspection is recommended before closing.
• London specifics: real estate transactions in London frequently trigger a required or recommended inspection to protect buyers, especially for homes built before the 1990s or with aging field lines.
• Typical cost in London: about $180–$350; a full pumped inspection or dye test may run $350–$500 if recommended by the inspector.

Septic Camera Inspections (Line and Lateral Evaluation)

• What it includes: push-rod or cassette camera along inaccessible lines to identify crushed pipes, root intrusion, or offset joints; often paired with a drain-field evaluation.
• London specifics: camera work helps in urban-adjacent lots where trenches and driveways limit access; useful for before repairs or when planning field work.
• Typical cost in London: approximately $300–$600 depending on line length and accessibility.

Drain Field Evaluation and Minor Repairs

• What it includes: soil conditions review, surface grading checks, surface water management, and small corrective steps (grading, outlet checks, or minor pipe adjustments).
• London specifics: soil types in central Ohio (including London area) can affect drainage; wet seasons may necessitate temporary pumping or scheduling around rainfall.
• Typical cost in London: $250–$700 for evaluation; minor fixes often $300–$2,000.

Drain Field Repair and Partial Replacement

• What it includes: trench or lateral repair, pipe resealing, and possibly adding gravel or fabric; may include a temporary system bypass.
• London specifics: clay-rich soils, high water tables, and setback requirements can elevate costs and the need for deeper excavation or alternative designs.
• Typical cost in London: $2,000–$8,000 for repair; $5,000–$15,000 for partial replacement; outcomes depend on field size and soil conditions.

Drain Field Replacement / New Field Installation

• What it includes: design, soil testing, trench layout, system installation (or mound system if required), and proper backfill with proper inspection steps.
• London specifics: if existing soil is poor or groundwater is high, a mound or alternative system may be necessary, increasing cost and permitting complexity.
• Typical cost in London: $7,000–$20,000 for a standard replacement; $15,000–$30,000+ for mound or advanced designs.

New Septic System Installation

• What it includes: site evaluation, trench layout, tank installation, field distribution, backfill, and initial startup checks.
• London specifics: site work can be more extensive in older London properties with limited access, tighter lots, or proximity to wells; permitting processes may add time and costs.
• Typical cost in London: $8,000–$25,000 for conventional systems; $25,000–$60,000+ for advanced or mound systems.

Septic Tank Risers, Lids, and Access Improvements

• What it includes: installing or upgrading risers to grade, replacing lids, and marking access points for easier future service.
• London specifics: improving above-ground access is common where tanks are buried under driveways or landscaped beds.
• Typical cost in London: $1,000–$2,000 depending on concrete or polymer riser quality and excavation needs.

Septic Tank Decommissioning / Abandonment

• What it includes: safely rendering an old tank inactive, filling, and sealing, plus proper documentation.
• London specifics: homes converted to municipal sewer or updated septic designs may require decommissioning of outdated tanks.
• Typical cost in London: $1,000–$3,000.

Permitting, Design, and Site Work

• What it includes: soil tests, system design plans, engineering notes, and permit submissions; may also cover surveys and drainage planning.
• London specifics: permit and design costs can vary with lot size and required system type; rural lots can require additional environmental checks.
• Typical cost in London: $800–$2,500 for design and permit steps; professional design fees may apply on top of installation costs.

Maintenance Plans and Service Agreements

• What it includes: annual pumping reminders, priority service windows, and discounted rates for ongoing visits.
• London specifics: a formal plan helps homeowners avoid surprise outages during cold months.
• Typical cost in London: $150–$300 per year, often discounted when bundled with a pumping visit.

Official resources

• Ohio EPA Onsite Wastewater:
• U.S. EPA Septic Systems: https://www.epa.gov/septic