Septic in Oregon, WI

Welcome to Oregon, Wisconsin—a place where friendly neighbors and practical home care go hand in hand, and your wastewater system is part of that everyday responsibility. If you've ever thought about what keeps your yard dry and your plumbing flowing, you're speaking the same language I hear as a local septic contractor who's worked with many homes in this area. You'll find down-to-earth, dependable guidance here that's designed to be useful, not overwhelming.

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

The honest answer is: it depends on where you are. Many older homes and rural or semi-rural pockets of Oregon rely on traditional septic systems because a central sewer main isn't nearby. In newer subdivisions or areas that are already hooked up to the village's municipal sewer, you'll find homes connected to the sewer system. If you're buying a home, it's wise to verify sewer service with the seller, the village, or the property records, and to arrange a pre-purchase septic assessment if a septic system is present. A qualified inspector can confirm the current status, plan for maintenance, and flag any issues before you close.

Why homes typically use septic systems in Oregon

• Infrastructure reach and cost: Extending centralized sewer lines across all neighborhoods isn't always practical or affordable, especially on larger lots or hillside areas common around town.
• Lot size and soil: A lot's size and soil permeability (how fast water drains through the ground) often dictate whether a septic system is the right fit or if sewer service is preferred.
• Local regulations and stewardship: Wisconsin has robust standards for on-site wastewater systems to protect groundwater and the nearby lakes and creeks. In many Oregon neighborhoods, a well-maintained septic system remains a reliable, cost-effective way to treat wastewater when a sewer connection isn't available or feasible.

High-level explanation (why septic exists here)

Septic systems exist here because they offer a practical solution for wastewater treatment where centralized sewer isn't immediately accessible or economically sensible. They enable homes to function independently while safeguarding soil and groundwater when properly designed, installed, and maintained. In Oregon, you'll commonly see conventional septic setups, with mound or advanced treatment options used where soils orslope require a different approach.

As your neighbor and local septic professional, I'm here to help you understand maintenance, pumping schedules, inspections, and what to watch for so your system serves you well for years to come. You'll find practical tips and guidance throughout this page to keep your system running smoothly.

Where Septic Systems Are Common in Oregon

Where septic is most common

In Oregon, WI, septic systems are most common on properties that lie outside the city's centralized sewer service area. Inside the City of Oregon, most homes are connected to public sewer, but on parcels that aren't served by the sewer system, private septic systems remain the standard solution for wastewater treatment.

Rural, agricultural, and older subdivisions

• Rural residences with larger lots rely on on-site systems because extending sewer lines to remote parcels is expensive.
• Farms and agriculturally zoned properties often use OWTS for wastewater treatment.
• Some older subdivisions were built before municipal sewer expansion and still rely on septic.
• In areas with limited sewer reach, septic is often the practical, cost-effective option.

Soil, groundwater, and site conditions

• Absorption soil type and depth to groundwater determine system size and design. Well-drained loams support typical systems; heavy clay or high groundwater may require alternative designs or surface discharge restrictions.
• Setback rules from wells, streams, and property lines influence where you can place a tank and drainfield; these are enforced by the Wisconsin DNR and local health departments.
• Drier, sandy soils drain faster, while wet soils can slow drainage and increase risk of surface leakage if not properly installed.

Regulations and maintenance

• Wisconsin Department of Natural Resources oversees the licensing and permitting of onsite wastewater systems; local health departments handle inspections, maintenance, and transfers.
• Regular maintenance extends system life: routine pumping, inspections, and mindful water usage reduce failures.

Quick reference: common zones in Oregon

• Rural parcels outside municipal sewer lines
• Farms using private onsite systems
• Subdivision pockets that pre-date sewer expansion

Practical steps for homeowners

1. Confirm whether your property is in a sewer service area with the City of Oregon or Dane County records.
2. If on septic, contact the local health department to verify the system type, age, and maintenance history.
3. If buying a property, request the septic permit, inspection history, and any pumping records.
4. Create a maintenance plan: pump every 3–5 years (depending on size and usage), keep a file of service records, and avoid flushing non-biodegradables.

Resources

• Wisconsin Department of Natural Resources – Onsite Wastewater Systems:
• EPA Septic Systems: https://www.epa.gov/septic

Septic vs Sewer: What Homeowners in Oregon Should Know

Do you have sewer service or a septic system?

In Oregon, WI, homes are typically connected to a municipal sewer or rely on an on-site septic system. Sewer systems transport wastewater to a central treatment plant, while a septic system treats and disperses wastewater on your property. Your situation affects ongoing costs, maintenance needs, and environmental responsibility.

How to tell what applies to your home

1. Check with the local authority: contact the Village of Oregon Public Works or Dane County health/public works offices to confirm whether a sewer main runs by your property and whether connection is required or available.
2. Look at your property records: your tax bill or utility statements may indicate sewer service, or you may see a sewer lateral on a property map.
3. Inspect the yard and home: visible sewer cleanouts, a vent stack, or septic tank access points can signal on-site wastewater treatment.
4. If you're unsure, hire a qualified professional: a licensed septic inspector or a civil engineer can verify whether you're on septic or connected to sewer and assess any upgrade needs.

Sewer connection: what to know

• Pros:
  • No septic tank pumping or field concerns to manage.
  • Generally predictable monthly sewer bills and maintenance through the utility.
  • Centralized treatment reduces on-site odor and potential percolation issues near the home.
• Cons:
  • Connection fees and potential street restoration or utility digs.
  • Ongoing monthly charges that can rise with usage and rates.
  • Possible required upgrades to your home's plumbing to meet utility standards.

Septic system: what to know if you're on or near rural Oregon

• Pros:
  • No monthly sewer bill; long-term cost can be lower with careful use and maintenance.
  • Independent system not tied to utility outages.
• Cons:
  • Regular pumping, inspection, and occasional replacement costs.
  • Proper design, installation, and setback requirements matter for long-term performance.
  • Risk of environmental impact if mismanaged (soil, groundwater, and nearby wells).

Maintenance and lifecycle considerations

• Pump every 3–5 years (usage and system size influence timing). Keep a service record.
• Use water efficiently: fix leaks promptly, spread out high-water activities, and install low-flow fixtures.
• Protect the drain field: keep trees away, avoid heavy vehicles on the area, and prevent trench compromise.
• Avoid putting certain items in the system: fats, oils, grease; chemicals; solvents; wipes labeled flushable; and excessive antibacterial products.
• Schedule regular inspections, especially after heavy rains or nearby construction.

When to upgrade or replace

• Signs of trouble: frequent backups, gurgling sounds, wet/soft spots above the drain field, or strong odors.
• Replacement timelines: conventional septic systems typically last 20–40 years with proper care; failing components or poor maintenance may shorten lifespan.
• If your property will rely on septic longer-term, plan for future replacement costs in your budgeting.

Costs and budgeting basics

• Sewer connection: one-time hookup fee plus any required street or utility work, plus ongoing sewer charges.
• Septic system: upfront design and installation costs; periodic pumping (often every 3–5 years); possible mid-life replacement of the tank or drain field.
• Insurance and financing: check local programs or lenders that may offer incentives for durable systems or upgrades.

Official guidance and resources

• Wisconsin Department of Natural Resources (Onsite Wastewater Program): general rules, maintenance, and inspections for septic systems.
• U.S. EPA Septic Systems: consumer guidance and maintenance tips. https://www.epa.gov/septic
• If in Dane County or the Village of Oregon, check local health/public works or planning pages for specific ordinances, permitting, and connection policies.

Typical Septic System Types in Oregon

Conventional gravity septic systems

A time-tested workhorse for many Oregon homes. These rely on gravity to move wastewater from the septic tank to a soil absorption field (drainfield).

• How it works:
  1. Wastewater flows into the septic tank and solids settle to the bottom.
  2. Floatable materials rise to the top, forming scum.
  3. Clarified liquid exits to the drainfield through a distribution system where the soil treats it as it percolates away from the house.
• Components you'll see: septic tank(s), a distribution box or manifold, perforated pipes, gravel, and a soil absorption bed.
• When it's a good fit: soils with good drainage and adequate depth to the water table.
• Maintenance: pump the tank every 3–5 years for typical households; keep grease, wipes, chemicals, and garbage out of the system.
• Quick tip: avoid large loads of water at once and protect the drainfield from compaction or heavy equipment.

Pressure distribution systems

A variant of conventional systems designed for challenging soils or slopes.

• How it works:
  1. A small pump pushes effluent from the tank to multiple underground lines.
  2. Each line is dosed with short, pressurized bursts to equalize drainage across the field.
• Why it's used: helps with shallow soils, high-water tables, or irregularly shaped drainfields.
• Maintenance: regular inspections by a licensed septic contractor; pressure tests and pumping as required.
• Benefits: more even distribution can reduce failure risk in marginal soils.

Aerobic Treatment Units (ATUs) and advanced pretreatment

These units add air to speed up the breakdown of wastewater before it reaches the drainfield.

• How it works:
  1. An electrical air pump powers aerobic treatment inside a small tank.
  2. Treated effluent then flows to the drainfield (or a secondary treatment step) for final polishing.
• When they're used: limited space, poor soil drainage, or when a higher level of treatment is desired.
• Maintenance: regular servicing and filter/media replacement as specified by the manufacturer; electrical components require power.
• Note: ATUs can extend the life of a drainfield in tough soils but require ongoing maintenance.

Sand filter systems

A specialty option used in areas with restricted drainage or higher treatment needs.

• How it works:
  1. Effluent from the tank is discharged onto a sand filtration bed.
  2. Cleaned water percolates through the sand and into the surrounding soil.
• Why it's chosen: soils that don't adequately treat effluent in a standard drainfield.
• Maintenance: periodic pumping, inspection of the sand media, and ensuring proper cover vegetation.

Mound systems

Raised-drainfield configurations used where native soils are shallow, too wet, or have high water tables.

• How it works:
  1. A raised, sand-filled mound sits above the natural ground.
  2. Wastewater moves through the mound before entering the native soil.
• When to use: high groundwater, poor natural drainage, or compacted soils.
• Maintenance: more specialized design and ongoing inspection; pumping is still necessary on a schedule.

Drip irrigation and evapotranspiration (ET) beds

Less common in every Oregon neighborhood but used in some sites with limited soil capacity or landscaping goals.

• How it works:
  1. Treated effluent is distributed to small, buried lines (drip) or ET bed vegetation zones.
  2. Plants use water and nutrients, with soil providing final polishing.
• Considerations: requires careful design, maintenance, and local code approval.

Maintenance and care across all types

• Schedule regular inspections (every 1–3 years) and pump as needed based on usage and local guidance.
• Protect the drainfield: avoid parking or and heavy equipment over it; plant only shallow-rooted grasses or ground cover; direct roof runoff away from the area.
• Watch for signs of trouble: damp spots, surface effluent, sewage odors, or slow drainage—call a licensed professional if you notice issues.
• Keep records: installation details, pump dates, and service reports.

Official resources

• EPA Septic Systems:

Local permitting and guidance

• Your Dane County or local health department will provide jurisdiction-specific requirements, soil testing, and septic permits. Check with your local office for up-to-date rules and recommended maintenance schedules.

Common Septic Issues in Oregon

Common symptoms to recognize

• Slow drainage, gurgling toilets, or frequent backups in sinks and tubs.
• Strong sewage odor near the septic tank, drain field, or yard.
• Wet, spongy areas or bright green, lush patches over the drain field.
• Surface slick or standing water over buried components, especially after rain.
• Frequent pumping needs or alarms on an aerobic system.

Why Oregon homes see these issues (soil, climate, and site factors)

• Soil and groundwater dynamics: Dane County soils in and around Oregon range from clay to loamy textures with variable percolation. Heavy clay and high water tables make it harder for effluent to infiltrate, increasing the chance of surface wet spots and drain-field failures.
• Winter freeze and frost heave: Prolonged cold snaps, freeze-thaw cycles, and saturated soils in spring can shift tanks and piping, reducing system performance and causing intermittent backups.
• Tree roots and landscaping: Mature trees near the drain field are common in Oregon yards. Roots can intrusion into pipes or clog lines, lowering system efficiency and causing backups.
• Groundwater and well proximity: With private wells in some areas, a failing septic system can risk nearby water sources. Setback rules and proper design help reduce this risk.
• Surface runoff and drainage: Downspouts, footing drains, and patios that drain toward the drain field can oversaturate the soil, especially after storms, leading to poor effluent absorption.

Key problem areas to inspect first

• Drain field under stress: Look for persistent wet spots, overly lush grass, or a foul odor around the leach field.
• Tank and baffles: Cracked or corroded tanks, broken baffles, or a leaking pump chamber can cause backups and odor.
• Pipes and connections: Sagging or broken pipes, roots in joints, or displaced lids can disrupt flow and permit leaks.
• Water use patterns: A spike in household water use (showers, laundry, dishwashing) without corresponding drainage improvements often points to a overloaded or failing system.
• Proximity hazards: Nearby driveways, construction debris, or heavy foot/vehicle traffic over the drain field can compact soil and damage the system.

Prevention and maintenance: practical steps for Oregon homes

• Schedule regular inspections and pumping
  1. Have the septic tank inspected every 3 years (conventional systems) or per your installer's recommendation; pump every 3–5 years based on tank size and household use.
  2. Maintain accurate records of pumps, repairs, and system components.
• Conserve water and distribute loads
  • Stagger laundry and dishwasher use; install high-efficiency fixtures; consider a greywater-aware approach where appropriate and permitted.
• Protect the drain field
  • Keep vehicles, heavy equipment, and foot traffic off the drain field.
  • Avoid composting or planting deep-rooted trees/large shrubs directly above or near the field.
  • Redirect roof runoff, sump pumps, and footing drains away from the drain field.
• Use the right products
  • Avoid chemical drain cleaners and non-biodegradable products; use septic-safe cleaners and minimize garbage disposals to reduce solids entering the tank.
• Monitor for early signs
  • If you notice standing water, new odors, or backups, reduce water use immediately and call a licensed septic professional for a site assessment.

Quick action steps if you suspect trouble

1. Note all symptoms and locations (yard, indoors, tank area).
2. Minimize water use everywhere to ease the load.
3. Contact a licensed septic contractor for an on-site evaluation and pump if needed.
4. Have the system inspected for tank integrity, baffles, and drain-field performance; request dye tests or soil percolation checks if appropriate.

Official resources

• Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) – Onsite Wastewater Program:
• Wisconsin Department of Natural Resources (DNR) – Onsite Wastewater information:

Septic Inspection, Permits & Local Oversight

Who regulates septic systems in Oregon, WI

• In Wisconsin, on-site wastewater systems are regulated through a combination of state guidelines and local enforcement. The village/building department handles permit intake and local code enforcement, while the county health department typically conducts inspections and oversees permit compliance for many properties in Dane County.
• For properties inside the Village of Oregon, start with the Village Hall or Building Department to confirm permit requirements and scheduling. For properties outside the village boundaries (in unincorporated areas), contact Dane County Public Health or the county's environmental health staff to obtain the correct sanitary permit and inspection process.
• State guidance you can reference: on-site wastewater standards are provided by Wisconsin DNR and state health agencies, with practical requirements implemented by local authorities. See official pages for background on standards and best practices.

Permits you may need

• Sanitary permit: Required for installing, altering, extending, or replacing an on-site wastewater system.
• Plan review permit: Some projects need a review of the proposed system design before a permit is issued.
• Site evaluation: A preliminary assessment of soil and site conditions may be required to determine suitability for a septic system.
• Permit updates: If you change the system type, capacity, or discharge, you may need an amended permit and final approval.
• Note: If your property is subject to sale disclosures or transfer requirements, be prepared for an inspection or documentation review as part of the process.

When you need an inspection

• Final installation inspection: Conducted after system installation or major repairs to verify proper layout, piping, grading, venting, and materials.
• Transfer/sale inspections: Some transactions require a recent inspection or as-built documentation to confirm the system status.
• Routine maintenance events: Optional follow-ups or spot checks may be requested by the issuing authority if there are concerns about function or code compliance.

How the permit process works in Oregon

1. Identify the issuing authority (Village of Oregon Building Department or Dane County Health) based on your property location.
2. Gather required documents (site plan showing leach field area, product/system design from a licensed professional, septic installer license where required, well location if applicable, and any well-water test results).
3. Submit the permit application and pay fees; anticipate a review period for plans and site data.
4. Receive permit approval and any special conditions; schedule installation with a licensed septic installer.
5. Complete installation and arrange a final inspection; obtain final approval or address any deficiencies noted by the inspector.

Quick reference steps for homeowners

• Confirm whether you need a permit and which authority issues it.
• Hire a licensed designer/installer familiar with Oregon/Dane County requirements.
• Prepare and submit plans; respond to questions promptly during review.
• Schedule and pass the final inspection to close the permit.
• Maintain records (permits, inspection reports, pump-outs) for future reference, especially if you sell the home.

Ongoing oversight and compliance

• Follow a regular maintenance schedule: pump and inspect per local guidance and state recommendations.
• Keep service receipts and inspection reports in a central file.
• If you rent or lease, ensure tenants are aware of maintenance responsibilities and have a clear pump-out timetable.
• Respect setback and construction rules to protect wells, streams, and groundwater.

Official resources

• EPA septic systems page:
• Wisconsin DSPS (licensing for installers/inspectors):
• Village of Oregon, Wisconsin official site (for local permit contacts and forms): https://www.oregonwi.gov

Septic Maintenance for Homes in Oregon

Regular inspections and pumping

• Most Oregon homes with a standard 1,000-gallon septic tank should plan for pumping every 3–5 years, depending on tank size, household size, and daily water use. Larger families or smaller tanks require more frequent service.
• Schedule inspections with a licensed septic professional who can assess tank integrity, baffles, and the connection to the drainfield.
• Even if you don't need pumping yet, an annual or biennial check helps catch issues early and saves costly repairs later.
• Look for early warning signs between visits: gurgling sounds, toilets or drains backing up, wet spots or lush growth over the drainfield, strong sewage smells, or unusually slow drains.

What a maintenance check should include

1. Locate and expose the tank and access covers safely.
2. Inspect the tank interior for scum and sludge buildup, check the baffles, and assess drainfield piping for cracks or leaks.
3. Pumping: remove settled solids, and note any unusual findings (standing water, collapsed components, or separated inlet/outlet pipes).
4. Test the system after pumping and provide guidance on any needed repairs or ongoing maintenance.
5. If your home has a garbage disposal, extra fats, oils, and solids can accelerate sludge buildup. Plan accordingly with your pro.

Protecting the drainfield in Oregon's climate

• Oregon soils can vary from sandy to heavy clay. Poor soil percolation or high groundwater near the surface increases the risk of drainfield failure.
• Keep the drainfield area free from heavy equipment, parking, and construction activity. Do not drive or park on the drainfield.
• Plant only shallow-rooted grasses near the drainfield; avoid trees and large shrubs whose roots could intrude on pipes.
• Ensure surface drainage directs water away from the drainfield. Excess irrigation or roof runoff can saturate the soil and reduce treatment efficiency.
• Maintain a reasonable distance between wells and the septic system, following local codes and health department guidance.

Seasonal considerations in Oregon

• Cold winters and wet springs can slow soil absorption. If the ground is saturated, avoid heavy use of water-hungry appliances and stagger laundry days to reduce load on the system.
• In spring, watch for surface pooling or soggy areas in the drainfield zone after thaw events; these can indicate a compromised or overloaded system.
• Freeze-thaw cycles can affect cover integrity and access ports. Have covers and lids resealed if you notice shifting or frost-related issues.

Signs of trouble you should not ignore

• Backups in toilets or sinks after light use
• Standing water, surface effluent, or a strong odor in the yard
• Lush green, unusually wet or spongy patches over or near the drainfield
• Sudden increases in wastewater treatment costs or frequent pumping

Record-keeping and a practical maintenance plan

• Keep a simple log: dates of inspections, pumping, repairs, and any replacements (tanks, baffles, filters).
• Create a yearly reminder to schedule an inspection and a separate 3–5 year window for pumping based on tank size and household usage.
• Share your records with any licensed septic professional to help tailor future service and identify recurring issues early.

Local and official resources

• Wisconsin Department of Natural Resources (Onsite Wastewater Program) for state guidance and definitions:
• U.S. Environmental Protection Agency (Septic Systems overview and best practices): https://www.epa.gov/septic
• If you need localized support or want to verify regulations specific to Dane County or the City of Oregon, contact your county health department or local extension office for region-specific guidelines.

Cost Expectations for Septic Services in Oregon

Septic Tank Pumping

• What it includes: Removal of liquid and accumulated solids, inspection of tank walls and baffles, basic system check, and proper disposal of waste. If needed, technicians note any potential issues for follow-up service.
• Oregon specifics: In Dane County's Oregon area, soil conditions and groundwater depth can influence pumping urgency and recommended intervals. Access, tank size (common 1,000–1,500 gallons), and nearby disposal costs can shift pricing.
• Typical cost in Oregon: roughly $275–$600 per pumping, with larger tanks or difficult access climbing toward the higher end.
• Official resource:

Septic System Inspections (Residential / Real Estate)

• What it includes: Visual inspection of the tank and leach field, baffle and lid checks, sludge/scum depth estimation, sometimes a dye test, and a written report. Real estate transactions often require a formal inspection.
• Oregon specifics: Wisconsin real estate disclosures and local ordinances may require an inspection before closing. Local inspectors may coordinate with Dane County or the Village of Oregon for permits and follow-up if repairs are needed.
• Typical cost in Oregon: about $250–$500 for a standard inspection; more comprehensive assessments with dye tests can run higher, around $350–$600.
• Official resource: https://dnr.wi.gov/topic/WaterQuality/SepticSystems.html

System Evaluation / Soil Testing for New Systems

• What it includes: On-site soil observation, percolation tests, groundwater depth measurements, slope and drainage assessment, and a soil report used to design a compliant system.
• Oregon specifics: Dane County and Oregon-area soils (clay/compacted soils, variable groundwater) often steer design toward conventional layouts, mound systems, or advanced treatment options. The evaluation determines feasibility and cost drivers early.
• Typical cost in Oregon: soil testing $300–$600; full site evaluation $600–$1,500; design/service plan $2,000–$6,000.
• Official resource: https://dnr.wi.gov/topic/WaterQuality/SepticSystems.html

Septic System Design and Permitting

• What it includes: System design plans, engineering calculations, permit applications, and coordination with local authorities for plan approval and inspections.
• Oregon specifics: Local approvals in Dane County and the Village of Oregon may require adherence to specific design criteria (mound vs. trench, ATU options) and separate permit fees.
• Typical cost in Oregon: design/engineering $2,000–$6,000; permit and inspection fees often $300–$600, depending on jurisdiction.
• Official resource: https://dnr.wi.gov/topic/WaterQuality/SepticSystems.html

Septic System Installation (Conventional)

• What it includes: Excavation, tank placement, trench or bed installation, piping, baffles, backfill, grading, and final system certification.
• Oregon specifics: Groundwater depth and soil type in Oregon, WI can necessitate alternate designs (mounded systems or ATU) which affect price. Local inspections and approvals add to total timing and cost.
• Typical cost in Oregon: conventional systems often range $10,000–$20,000; when mound or advanced treatment is required, $25,000–$40,000+.
• Official resource: https://dnr.wi.gov/topic/WaterQuality/SepticSystems.html

Drain Field Repair / Replacement (including Mound Systems)

• What it includes: Diagnosing failing fields, repairing damaged trenches, replacing failed lines, soil amendments, or installing a new absorption bed; may include a mound if conditions require.
• Oregon specifics: In areas with high groundwater or poor native soils, a mound or ATU-based replacement is common and higher in cost.
• Typical cost in Oregon: repair $6,000–$15,000; complete replacement with a mound or advanced system often $25,000–$40,000+.
• Official resource: https://dnr.wi.gov/topic/WaterQuality/SepticSystems.html

Aerobic Treatment Unit (ATU) Maintenance and Replacement

• What it includes: Regular service to keep the unit functioning (filters, aerator, pump checks), occasional component replacement, and system-friendly labelling for regulatory records.
• Oregon specifics: ATUs are more common where soils or groundwater limit conventional leach fields; local service intervals may be stricter under county rules.
• Typical cost in Oregon: annual maintenance $400–$800; replacement system $7,000–$12,000.
• Official resource: https://dnr.wi.gov/topic/WaterQuality/SepticSystems.html

Tank Risers, Lids, and Accessibility Improvements

• What it includes: Installing or upgrading risers and accessible lids to simplify future pumping and inspections; can improve safety and reduce service time.
• Oregon specifics: Better access is especially helpful in flood-prone or shallow soil areas typical of Dane County, saving longer-term maintenance costs.
• Typical cost in Oregon: $600–$1,800, depending on materials and installation complexity.
• Official resource: https://dnr.wi.gov/topic/WaterQuality/SepticSystems.html