Septic in Branford, FL

Branford's charm comes from its quiet neighborhoods, the shade of live oaks, and the practical realities of living off the land along the Suwannee area. In Branford, most homes rely on on-site septic systems rather than centralized sewer lines, a setup that suits the layout and infrastructure of our rural community.

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

Yes. If you own or are buying a home in Branford, a septic system is the norm rather than the exception. Public sewer isn't universally available in the area, so on-site systems are a practical and common solution for treating household wastewater. When you're shopping for a home, that means you'll likely encounter a septic tank and drain field as part of the property. It also means prudent buyers typically request a septic inspection or pumping history to understand the system's condition before closing.

Why homes typically use septic systems in Branford

• Rural layout and service patterns: Branford's surrounding parcels are spread out, and extending sewer lines to every property isn't always feasible or cost-effective. On-site septic systems offer a practical, local solution that works with the way land and neighborhoods are arranged here.
• Soil, drainage, and climate considerations: Our soils and rainfall influence how well wastewater can be treated on-site. A properly designed, well-maintained septic system uses the soil's natural filtration to protect wells, streams, and the landscape.
• Environmental and regulatory context: Florida codes emphasize protecting groundwater and surface water. On-site systems are designed and inspected to meet standards that help prevent contamination, especially in areas with shallow water tables or sensitive waterways.
• Long-term cost and maintenance: For many Branford properties, septic systems are a cost-saving, durable choice when properly sited and pumped on schedule. With routine care, a well-built system can serve a home reliably for decades.

High-level explanation (why septic exists here)

A typical septic setup starts with a tank that captures solids and allows scum to separate from liquids. Beneficial bacteria in the tank begin breaking down organic matter. The clarified liquid then exits into a drain field, where it slowly percolates through the soil. The soil acts as a natural filter, helping to remove remaining contaminants before the water re-enters the groundwater system. Regular maintenance—pump timing, avoiding harsh chemicals, and protecting the drain field from heavy equipment—keeps this quiet, on-site treatment working well for Branford homes.

As you explore, you'll find practical tips and step-by-step guidance from a local pro who understands Branford soils, weather, and home setups.

Where Septic Systems Are Common in Branford

Typical areas in Branford where septic is common

• In Branford, most residential properties outside the town's centralized sewer service area rely on septic systems.
• Rural pockets, older subdivisions with larger lot sizes, and farms along routes into Branford town limits are typical locations for OSTDS.
• Areas near the Suwannee River floodplain or with limited sewer expansion are especially likely to use septic.

Why septic is common here

• Low-density development: Branford and surrounding unincorporated areas feature spread-out homes, where extending a sewer main would be costly and impractical.
• Land availability: Larger lots provide space for drainfields and reduce competition for growing wastewater loads.
• Regulatory framework: Florida uses onsite sewage treatment and disposal systems (OSTDS) designed to protect groundwater and surface water; septic is permitted where soils and site conditions meet standards. For official guidance, see the Florida Department of Health OSTDS program.
• Maintenance practicality: Homeowners in Branford can typically manage routine septic upkeep locally, with state and county regulations guiding permitting and inspections.

Site and soil factors that influence septic in Branford

• Soil type: Sandy, well-drained soils are common in north Florida and support effective effluent absorption, aiding standard drainfields. However, very sandy or rapidly draining soils may require appropriately sized drainfields to prevent undersaturation and backup.
• Groundwater depth and flood risk: Shallow groundwater or flood-prone zones can necessitate alternative designs (such as mound systems or elevated drainfields) to avoid system failure.
• Proximity to water features: Required setbacks from wells, streams, and the Suwannee River help protect drinking water and surface water; these setbacks guide drainfield placement.
• Topography: Gentle slopes are easier for passive drainage; steep slopes may require grading or raised-system configurations.

Practical implications for Branford homeowners

• When purchasing: Request a septic disclosure, a map of the tank and drainfield, and any recent pumping records.
• Routine maintenance: Plan regular pumping (as recommended by a licensed inspector or local code), minimize solids and chemicals entering the system, and avoid parking or heavy equipment over the drainfield.
• System design considerations: If your lot is small or has challenging soil conditions, discuss alternative designs (e.g., low-profile or mound systems) with a licensed septic professional and the local health department.
• Renovations and additions: Before adding bathrooms or expanding wastewater load, consult a licensed designer to ensure the OSTDS will handle the increased flow without compromising water quality.

Quick reference steps for Branford homeowners (5 steps)

1. Confirm whether your property has public sewer service or relies on a septic system with Branford/ Suwannee County offices.
2. Locate the septic tank and drainfield; obtain any as-built drawings or prior inspection reports.
3. Schedule a septic system inspection every 3–5 years (or as recommended) and follow local guidelines for pumping.
4. Maintain required setbacks and avoid planting trees or using heavy equipment over the drainfield area.
5. Keep thorough records of pumping, maintenance, and any septic-related inspections.

Official resources

• Florida Department of Health OSTDS:
• EPA Septic Systems: https://www.epa.gov/septic

Septic vs Sewer: What Homeowners in Branford Should Know

How septic systems work in Branford

Most Branford homes that aren't on municipal sewer rely on a septic system. A typical setup includes a buried septic tank where solids settle, and a drain field where effluent is treated by the soil. Regular pumping by a licensed pro helps prevent backups and failures. In Florida, high groundwater and sandy soils can affect drain-field performance, so proper siting, installation, and maintenance are key. Typical pumping intervals run every 1–3 years, depending on tank size and household usage. Practice good water use habits to extend each pump interval and protect the leach field.

• What to know: you're responsible for on-site maintenance; you'll know you need service if toilets gurgle, you notice soggy or unusually lush spots in the yard, or there's a sewage odor near the tank or drain field.
• Quick prevention tips: avoid flushing wipes, fats and grease, coffee grounds, and harsh chemicals; use a garbage disposal sparingly; spread out laundry and dishwasher loads to avoid peak loads on the system.

Public sewer in Branford: what to expect

If your home is connected to a municipal sewer, wastewater goes to a city or county treatment plant instead of an on-site tank. You won't have a septic tank or drain field, and maintenance is handled by the sewer authority. You'll typically pay monthly sewer charges, separate from water usage. Sewer reliability depends on the health of the network; outages or line repairs can affect service, but the on-site maintenance burden is removed.

• Pros for sewer: no septic pumping or field upkeep; predictable monthly costs (aside from rate changes); no back-yard drain-field concerns.
• Cons for sewer: ongoing bills that can rise with rates; potential service interruptions during outages or line projects; repairs are county/utility responsibilities, not your own.

Pros and cons at a glance

• Septic system
  • Pros: on-site control; can be cost-effective long-term with proper care; suitable for rural lots with appropriate soils.
  • Cons: ongoing maintenance; pumping costs; risk of leaks or backups if neglected; performance depends on soil and groundwater conditions.
• Municipal sewer
  • Pros: no on-site wastewater treatment; no septic pumping; centralized treatment in good working order.
  • Cons: monthly/sewer charges; reliance on utility infrastructure; potential rate increases; if the sewer system experiences issues, you may face outages or fees.

Maintenance matters for Branford homeowners

• Pumping frequency: 1–3 years is a common guideline; actual interval depends on tank size, family size, and water use.
• Water efficiency: fix leaks, use high-efficiency toilets and front-loaders, stagger laundry days.
• Drain-field care: prevent heavy equipment or vehicles on the drain-field; direct roof and surface runoff away from the area.
• Chemical management: avoid dumping pesticides, solvents, or concentrated products down drains.
• Regular inspections: have a licensed septic contractor inspect and pump as needed; keep records of maintenance.

Quick steps to get started

1. Find out whether your home is on septic or connected to public sewer (check property records or contact your utility or local health department).
2. If septic, schedule a professional tank inspection and pumping as needed; ask about drain-field condition and setback requirements.
3. If sewer-connected, verify your service status and current rates with the local utility.
4. Implement water-saving habits and avoid risky discharges to protect either system.
5. When in doubt, consult licensed professionals for assessment and local code guidance.

Where to learn more

• EPA: Septic Systems (

Typical Septic System Types in Branford

Conventional gravity septic systems

• How they work: A buried septic tank collects household wastewater; clarified effluent drains by gravity into a soil absorption area (drainfield).
• Typical components: septic tank, distribution pipe or chamber, drainfield trenches, and a effluent dispersal bed.
• When they fit Branford soils: Works well in many sandy soils common in North Florida, but setback distances, soil percolation, and groundwater depth still drive system size.
• Pros and considerations:
  • Simple design, usually lower upfront cost.
  • Fewer moving parts; reliable with proper maintenance.
  • Requires adequate soil depth and a properly sized drainfield to avoid surface discharge or groundwater impacts.
• Maintenance note: Regular pumping (every 3–5 years for many households) helps prevent solids buildup.

Low-Pressure Dose (LPD) and Pressure Distribution systems

• How they work: A small pump delivers effluent in short, frequent doses to multiple trenches, improving distribution in marginal soils.
• When they're used: Helpful when slope is limited, soils are slightly less permeable, or the drainfield needs more even loading.
• Pros:
  • Better distribution reduces areas of saturation in the trench.
  • Can accommodate tighter lot designs than a traditional gravity system.
• What to expect: More components (pump, control panel, laterals) and monitoring, plus possible higher maintenance needs.

Mound systems

• Why Branford homeowners choose them: For poor drainage, shallow bedrock, high water tables, or restrictive soils where a conventional drainfield isn't viable.
• How they work: A surface mound of sand or engineered fill sits above the native soil, with a drainfield built on top to treat effluent before it enters the ground.
• Pros:
  • Expands feasible site options when soil conditions aren't ideal.
  • Helps protect groundwater by providing a longer path for treatment.
• Maintenance note: Requires regular inspection of lift station or dosing components and periodic soil checks.

Aerobic Treatment Units (ATU) and enhanced treatment systems

• What they do: Pre-treat wastewater with oxygen to reduce organic load and pathogens before final disposal in the drainfield.
• When they're used: In challenging soils, high-strength wastewater, or when quick, thorough pre-treatment improves system longevity.
• Pros:
  • Produces cleaner effluent, which can allow for smaller or shallower drainfields in some cases.
  • Often more forgiving of soil limitations, with proper maintenance.
• Maintenance note: Requires routine service by a licensed technician and annual or periodic inspections.

Drip irrigation and trenchless drainfield options

• How these fit Branford properties: In some cases, drip irrigation or buried tubing can distribute effluent slowly to the root zone, reducing surface impact.
• Pros and considerations:
  • Can maximize land use on tight lots.
  • Requires strict design, installation, and monitoring to prevent root intrusion and clogging.
• Regulatory note: Installation typically requires permits and adherence to local codes; verify with the Suwannee County Health Department or your installer.

Sand filter systems and other advanced treatment options

• What they are: Pre-treatment or polishing steps (such as sand or media filters) used when soils are particularly challenging or site constraints exist.
• Pros:
  • Improve effluent quality prior to drainfield disposal.
  • Can extend the life of a drainfield in difficult soils.
• Maintenance note: Filters and pre-treatment units require regular servicing and replacement parts as recommended by the manufacturer.
• Factors that influence choice in Branford:
  • Soil percolation and depth to groundwater
  • Drainfield space and lot layout
  • Local permits, inspections, and maintenance requirements
  • Household water usage and future expansion plans

Helpful resources

• Florida Department of Health – Onsite Sewage Treatment and Disposal Systems (OSTDS): https://www.floridahealth.gov/environmental-health/onsite-sewage/index.html
• EPA – Septic Systems: https://www.epa.gov/septic

Common Septic Issues in Branford

High water table and seasonal saturation

• Branford's climate brings heavy rainfall and occasional flooding. When the groundwater level rises, drainfields stay wet longer and effluent has fewer opportunities to percolate.
• Common symptoms: gurgling fixtures, soggy or unusually lush patches above the drainfield, and sewage odors near the system or in the yard.
• Why Branford-specific: high rainfall years and proximity to low-lying areas can push the living space of the system closer to groundwater, reducing absorption capacity.
• What to do:
  • Conserve water during rainy periods to reduce load.
  • Have a licensed septic pro inspect for drainage issues and confirm proper sizing.
  • If saturated, consider options such as enhanced treatment units or a mound/ATU system, as recommended by a professional.
• Resources: Florida DOH Onsite Sewage Program: https://www.floridahealth.gov/environmental-health/onsite-sewage/index.html

Soil and drainfield limitations in Branford

• Branford-area soils can vary, with some parcels presenting rapid percolation and others showing inconsistent absorption, especially when roots or compacted soil interfere.
• Signs your drainfield is struggling: persistent damp basements or indoors odors after rain, or a springy feel when walking over the absorption area.
• Why Branford-specific: sandy soils can drain quickly, but if the water table is high or the field is undersized for current waste levels, treatment can fail even with a seemingly adequate drainfield.
• What to do:
  • Have a soil and drainfield assessment performed before extending or rebuilding landscaping over the field.
  • Ensure trench depth, soil depth to bedrock, and absorption area meet current code requirements.
  • Avoid heavy equipment on the drainfield and plant only shallow-rooted vegetation nearby.
• Resources: EPA Onsite Wastewater Program: https://www.epa.gov/septic

Flooding, storms, and yard drainage

• Storms and heavy rain can push surface water toward or onto the drainfield, flooding absorption areas and hindering treatment.
• Signs: sudden backups after storms, damp or foul-smelling areas in yard following rain.
• What to do:
  • Divert stormwater away from the drainfield with proper grading, swales, and downspouts directed away from the system.
  • Schedule inspections after major storms to ensure no effluent pooling or buried damage.
  • Consider updating to a system designed for higher rainfall exposure if you repeatedly experience problems.
• Resources: EPA septic homepage for storm-related guidance: https://www.epa.gov/septic

Proximity to wells and groundwater risk

• Florida's groundwater and private wells can be affected by septic effluent if setbacks aren't observed.
• Signs you should test: taste or odor changes in well water, cloudy water, or community advisories after rainfall or high water.
• What to do:
  • Maintain recommended setbacks between septic components and wells; consult local health codes for Branford.
  • Test well water regularly (annually or after major rain events) and remediate if contaminants are detected.
  • In high-risk zones, consider a secondary treatment option or enhanced treatment unit to reduce nutrient load.
• Resources: Florida DOH Onsite Sewage Program and guidance: https://www.floridahealth.gov/environmental-health/onsite-sewage/index.html

Aging systems and maintenance gaps

• Many Branford homes have older septic designs that struggle with modern wastewater loads (grease, detergents, and higher flush volumes).
• Signs: frequent backups, slow drains, or tank odors.
• What to do:
  • Plan routine inspections every 1–3 years and pump every 3–5 years (or per professional recommendation) to prevent solids buildup.
  • Upgrade aging components (baffles, pipes, or risers) as needed; consider an ATU or mound system if site constraints exist.
  • Use septic-safe products, and limit garbage disposal use to reduce solids entering the tank.
• Resources: Florida DOH Onsite Sewage Program and EPA guidance: https://www.floridahealth.gov/environmental-health/onsite-sewage/index.html and https://www.epa.gov/septic

Proper waste disposal and household habits

• The biggest preventable threat to Branford septic systems is improper waste disposal and chemical use.
• Signs: frequent odors, slow drains, or more frequent pumping than expected.
• What to do:
  • Do not flush wipes, wipes labeled flushable, diapers, feminine hygiene products, cooking oil, grease, or harsh household cleaners.
  • Run disposals sparingly; collect cooking fats and oils for proper disposal.
  • Use septic-safe cleaners and consider water-saving fixtures to reduce load.
• Steps:
  1. Identify and replace problematic products with septic-safe alternatives.
  2. Monitor water use with high-drrain weeks (showers, laundry) to avoid overload.
  3. Schedule a professional inspection if any issue persists.
• Resources: EPA septic safety page: https://www.epa.gov/septic

Septic Inspection, Permits & Local Oversight

Who Oversees Septic Systems in Branford

• The Florida Department of Health (DOH) Onsite Sewage Treatment and Disposal Systems (OSTDS) program sets statewide standards, issues permits, and conducts inspections for septic systems, including Branford.
• Suwannee County Health Department administers OSTDS permits and inspections locally and serves as the primary point of contact for permit applications, plan reviews, and schedule coordination.
• Local ordinances and county zoning rules can affect setbacks, property use, and maintenance responsibilities. Always check with the county or Branford's town offices before starting any installation or major repair.
• Official resources: DOH OSTDS information (Suwannee County site (
• Florida Administrative Code 64E-6 – Onsite Sewage Treatment and Disposal Systems: https://www.flrules.org/gateway/ruleNo.asp?ID=64E-6
• Suwannee County Health Department (OSTDS information and contact): https://www.suwanneecountyfl.gov/
• Florida DOH Environmental Health (general information): https://www.floridahealth.gov/

Septic Maintenance for Homes in Branford

Branford-specific conditions

Branford's mix of sandy soils, limestone bedrock, and seasonal rainfall means drainfields can be especially sensitive to overuse and encroaching groundwater. Flood-prone periods and rising water tables during the wet season can saturate drainfields, leading to backups or surfacing if the system isn't well maintained. Trees with aggressive roots near the septic area, common in older Branford yards, can also threaten effluent pathways. Consistent maintenance and mindful usage help reduce these Branford-specific risks.

Regular pumping and professional inspections

A well-maintained septic system relies on routine pumping and expert checks. Follow these steps:

1. Have a licensed septic professional inspect and pump your tank on a schedule suited to your home's size and usage. A typical starting point is every 3–5 years, but Branford homes with heavy groundwater exposure or larger families may need more frequent service.
2. During each service, ask the contractor to inspect tank condition, baffles, and any installed effluent screens or filters. If your system is a mound, drip system, or has pumps/alarms, ensure those components are tested.
3. Request a written maintenance report noting tank level, condition of the lids, and recommended next service date.
4. Keep a local maintenance log and store records with your home documents; documenting service helps with insurance, resale, and county health checks.

Drainfield protection and landscaping

Protecting the drainfield reduces the risk of Branford-specific failures.

• Keep heavy vehicles and construction equipment off the drainfield area.
• Plant shallow-rooted landscaping only near the tank and drainfield; avoid trees with deep or extensive roots nearby.
• Maintain at least a clear, plant-free zone over the drainfield to prevent root intrusion and soil compaction.
• Manage stormwater drainage away from the drainfield to prevent inundation during heavy rain.
• Preserve proper grading so that surface water does not pool over the drainfield.

Water use and waste disposal practices

Conserving water and mindful disposal help Branford systems endure local conditions.

• Space laundry across the week and use high-efficiency machines; avoid multiple large loads back-to-back.
• Reduce or eliminate garbage disposals, especially if your tank is near capacity or older.
• Fix leaks promptly; even small drips waste gallons and strain the system.
• Minimize non-degradable items and avoid flushing wipes, diapers, chemicals, antifreeze, solvents, or fats down the drain.
• Use phosphate-free, septic-safe cleaners and detergents to protect beneficial bacteria in the tank.

Seasonal and weather considerations for Branford

Wet seasons and flood-prone periods affect performance.

• After heavy rains or nearby flooding, monitor for signs of backup or slower drainage; refrain from pushing the system beyond normal limits during these times.
• If your area experiences a surge in groundwater level, consult a licensed pro about potential drainfield saturation and any needed pumping or repairs.

What to do if you suspect a problem

Act quickly but calmly to protect your system and your home.

1. Conserve water and limit nonessential uses until you can have a professional assess the system.
2. Do not flush or pour chemicals down the drain; avoid throwing grease, cleaners, or solvents into the system.
3. Contact a licensed septic technician to diagnose odors, backups, or surfacing; do not attempt DIY fixes on buried components.
4. If you notice sewage odors near the drainfield, soggy lawns, or standing effluent, treat it as a warning sign and arrange an inspection promptly.

Record-keeping and planning

Good records support Branford maintenance and future decisions.

• Maintain a log of pumping dates, tank sizes, and inspection notes.
• Keep schematics or layout maps of the system, including drainfield boundaries and any pumps or alarms.
• Schedule proactive maintenance before peak usage periods (holidays, family visits) to minimize emergencies.

Official resources

• EPA Septic Systems:
• General septic information and homeowner tips: https://www.epa.gov/septic/owners-and-operators-guide-septic-systems

Cost Expectations for Septic Services in Branford

Pumping and Cleaning of the Septic Tank

• What it includes: pumping out the liquid and sludge, removing solids, cleaning the tank interior, inspecting baffles and the pump chamber (if present), and resealing the access lid. In Branford, sandy soils and seasonal rainfall can influence pump frequency and access challenges, so crews may note tighter timelines or special equipment needs.
• Typical cost in Branford: $250–$650 for standard 1,000–1,500 gallon tanks; larger tanks or difficult-to-access sites can push toward $700–$1,000.
• When to expect a higher price: unusual tank size, heavy sludge buildup, long driveways, or restricted access.
• Official resources: EPA septic system basics

Septic System Inspections and Certifications

• What it includes: visual inspection of tank, lids, and access points; evaluation of inlet/outlet baffles; inspection of any effluent filters; assessment of condition of the drainfield; written report and certification for home buyers or lenders.
• Typical cost in Branford: $100–$300.
• Branford-specific note: rental properties or real estate transactions may require regular certification; check local and lender requirements.
• Official resources: EPA homeowner guide Florida DOH OSTDS page above

Diagnostic Evaluation and Drainfield Diagnostics

• What it includes: performance tests, dye test if needed, pressure tests, and camera inspection of accessible lines if a problem is suspected.
• Typical cost in Branford: $300–$600.
• Branford-specific note: if the drainfield is suspected to be failing due to wet soils or high groundwater, expect a more comprehensive evaluation and possible soil absorption testing.
• Official resources: EPA septic basics link above

Regular Maintenance Plans and Service Agreements

• What it includes: scheduled annual or semi-annual visits, alarm check, system performance notes, discounted pumping or repair prices, and reminders to prevent outages.
• Typical cost in Branford: $180–$350 per year, or $15–$40 per month depending on the level of service.
• Branford-specific note: maintenance plans help manage seasonal rainfall impacts and rental-property turnover.
• Official resources: EPA homeowner guides; Florida DOH OSTDS page

Drain Field Repair (Septic Drain Field)

• What it includes: soil trench repair, patching damaged trenches, reseeding, addressing sand or fill material issues, and restoring proper distribution of effluent.
• Typical cost in Branford: $2,000–$6,000 for localized repair; more extensive fixes can be higher.
• Branford-specific note: in sandy Branford soils, repairs may involve deeper backfill and compaction considerations; local access can affect equipment needs.
• Official resources: EPA septic basics; Florida DOH OSTDS page

Drain Field Replacement (Complete or Partial)

• What it includes: excavation, new absorption bed installation, replacement piping, backfill, and site restoration; may require soil evaluation and permit coordination.
• Typical cost in Branford: $5,000–$15,000+, depending on field size and site conditions.
• Branford-specific note: water table and rainfall patterns can influence timing and cost; summer work may be limited by moisture.
• Official resources: EPA septic basics; Florida DOH OSTDS page

Septic Tank Replacement or New System Installations

• What it includes: sizing and design consultation, tank installation, distribution system, fresh air venting, backfill, and permit coordination.
• Typical cost in Branford: $8,000–$25,000+ for a full system, with higher-end designs for ATUs or custom layouts.
• Branford-specific note: new installs may require local permit review and adherence to Florida OSTDS standards.
• Official resources: EPA septic basics; Florida DOH OSTDS page

Alternative Systems and ATU (Aerobic Treatment Units) Maintenance

• What it includes: routine aerator servicing, filter cleaning, rinse checks, and battery or timer tests; some systems require annual professional service.
• Typical cost in Branford: $200–$600 per service, plus potential annual maintenance contracts.
• Branford-specific note: ATUs may be used where soil conditions are challenging; check local permitting and warranty requirements.
• Official resources: EPA septic information

Tank Risers, Lids, and Cleanouts

• What it includes: installing or raising tank access (risers) and secure, code-compliant cleanouts to simplify future pumping and inspections.
• Typical cost in Branford: $500–$1,200, depending on materials and site access.
• Branford-specific note: raised access helps with snow/ground cover in cooler months and reduces service time during wet seasons.
• Official resources: EPA and Florida DOH OSTDS literature

Permits, Scheduling, and Local Considerations

• What it includes: permit coordination, inspection scheduling with the county, and ensuring adherence to state OSTDS requirements.
• Typical cost in Branford: permit fees often range $150–$500 depending on the project scope and county rules.
• Branford-specific note: Suwannee County or Branford-adjacent jurisdictions may have local timing windows for permitting delays during peak seasons.
• Official resources: Florida DOH OSTDS; EPA guidance links above

Notes:

• Costs vary by tank size, access, exact problem, and contractor. Always obtain multiple quotes and confirm whether estimates include disposal fees, diagnostics, and permit charges.
• For official guidelines and regulatory context, review: https://www.floridahealth.gov/environmental-health/onsite-sewage-treatment-disposal-systems/index.html and https://www.epa.gov/septic