Septic in Plaquemines Parish, LA

Last updated: Mar 21, 2026

Welcome to Plaquemines Parish, where the Mississippi Delta meets coastal marsh and every block has its own unique breeze. If you've ever wondered how many homes here stay comfortable and dry without a city sewer, you're in the right place. This parish has a long history of practical, on-site wastewater solutions that fit a landscape of waterways, floodplains, and spread-out neighborhoods.

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

Yes. In many parts of Plaquemines Parish, especially outside the larger town centers, homes rely on private septic systems. If your home isn't connected to a municipal sewer line, you'll likely be on a septic tank and drain field. Even in growing areas near towns like Belle Chasse or Port Sulphur, you'll want to confirm whether sewer service is available to your street. When you're buying, plan for a septic-focused inspection as part of the process so you know exactly what's underground and what maintenance it may need.

Why do homes here typically use septic systems?

  • Rural and semi-rural layouts: Lots in Plaquemines are often spread out, making centralized sewer extensions expensive and impractical.
  • Soil and water realities: The parish sits in a coastal delta with soils and water tables that require carefully designed on-site systems to function reliably.
  • Cost and practicality: A private septic system on a single lot can be the most economical and controllable option for wastewater management in many neighborhoods.
  • Local development patterns: For decades, development happened with fewer large-scale sewer mains, so on-site solutions became the standard.

County growth history and how that has impacted septic coverage

Plaquemines Parish's growth has followed a river-and-coast timeline: fishing and port activity, energy-related work, and rural housing spread along waterways rather than concentrating into one urban core. This pattern created many areas where sewer mains never extended far from town centers, so septic systems became the norm. Hurricanes and storms have also shaped infrastructure decisions over the years, influencing rebuilding and upgrades, but the fundamental layout—lots of rural and semi-rural homes relying on on-site systems—remains a key factor in how wastewater is managed here.

High-level explanation (why septic exists here)

On-site wastewater systems exist here because large-scale sewer expansion has never fully matched the parish's dispersed, waterfront development. The combination of coastal soils, flood risks, and the practical realities of extending sewer lines across marshy terrain makes septic a sensible, long-standing solution. And with proper design, regular pumping, and careful maintenance, septic systems support comfortable, worry-free living in Plaquemines Parish.

Transitioning from here, we'll share practical guidance to help you choose, inspect, and care for a septic system in this parish.

How Septic Is Regulated in Plaquemines Parish

Plaquemines Parish follows state rules with local execution to manage on-site wastewater systems. The Louisiana Department of Health (LDH) provides statewide standards, while Plaquemines Parish Health Unit (PHU) handles permits, inspections, and enforcement on the ground.

Who Regulates

  • State level: LDH sets technical standards for design, installation, operation, and maintenance of septic systems across Louisiana.
  • Parish level: Plaquemines Parish Health Unit administers permits, conducts inspections, and enforces local requirements.
  • Real estate and development: Parish ordinances may add requirements during property development, subdivision, or transfers.

The Permit Process (high level)

  1. Confirm need for permit: New systems, major repairs, or replacements typically require PHU approval.
  2. Hire a qualified professional: A design should be prepared by someone familiar with LDH standards and Plaquemines Parish requirements; soil evaluation may be part of the process.
  3. Submit permit package: Include site plan, system design, soil information, and required fees to the PHU.
  4. PHU review and decision: The PHU may request clarifications or additional details before issuing a permit.
  5. Install and inspect: Work must proceed with scheduled inspections by the PHU at key milestones (and a final inspection before use).
  6. Final approval: The PHU issues final authorization confirming the system is compliant and approved for operation.
  7. If you're buying or selling property, ensure all septic permits and inspections are up to date as part of the transaction.

Design and Installation Standards

  • State standards: LDH technical rules govern minimum design criteria, setback distances (from wells, watercourses, and property lines), soil considerations, and effluent requirements.
  • Parish role: The PHU reviews designs for compliance with LDH standards and local conditions; permits are only issued after this review.
  • Licensed professionals: Designs and installations are typically performed by licensed professionals who meet LDH and parish requirements.
  • Upgrades and repairs: If a system is failing or not meeting current standards, upgrades may be required to bring the system into compliance.

Maintenance and Inspections

  • Regular maintenance: Plan pump-outs every 3–5 years (size and usage dependent); keep records of servicing.
  • Protect the system: Conserve water, avoid flushing non-biodegradable items, fats, oils, and chemicals that can harm the soil or local water quality.
  • Immediate concerns: If you notice sewage odors, backups, or wet, unusually lush spots over the drain field, contact the PHU and a licensed service provider.
  • Inspections: While not annual, inspections are required as part of permit compliance during installation, and may be triggered by property transfers or suspected system failure.

Local requirements to know

  • Permitting ties to the PHU: Any new installation, substantial repair, or real estate transaction may require PHU involvement.
  • Record-keeping: Maintain copies of permits, designs, inspection reports, and pumping records; they can be requested by the PHU or in real estate transactions.

Where to Find Official Resources

  • Plaquemines Parish Health Unit:
  • Louisiana Department of Health: https://ldh.la.gov
  • If you need specific forms, fees, or current local requirements, start with the Plaquemines Parish Health Unit and LDH sites and contact the PHU staff for guidance on your project.

Soil, Groundwater & Environmental Factors in Plaquemines Parish

Local soil and drainage in Plaquemines Parish

  • Plaquemines sits in the Mississippi River Delta, where soils are diverse—from coastal marsh soils to delta floodplain soils. Drainage can be variable: some areas drain slowly, others infiltrate more readily.
  • The seasonal water table can rise quickly after rain or during flood season, and tidal influence can bring upper groundwater closer to the surface in low-lying spots.
  • How this affects septic systems: when soils are frequently saturated or have high clay content, infiltrative capacity drops and drain fields can struggle.
  • Practical checks:
    • Use the USDA Natural Resources Conservation Service Web Soil Survey to identify your property's soil type and drainage characteristics: https://websoilsurvey.nrcs.usda.gov/
    • Look for areas that flood or hold standing water; these zones are less suitable for standard drain fields.

Groundwater, salinity & hydrogeology in Plaquemines Parish

  • In coastal Plaquemines, groundwater is often influenced by tidal forces and can be brackish in parts of the parish. Saltwater intrusion risk increases with rising sea levels and heavy groundwater pumping nearby.
  • Why it matters for septic: brackish or perched groundwater reduces the soil's ability to absorb and treat effluent, and can shorten drain-field life if infiltration is consistently poor.
  • Official resources to understand groundwater conditions:

Flooding, storms & environmental risk

  • Plaquemines is highly dialed into flood risk from heavy rainfall, tropical storms, and hurricanes. Flooded soils and temporary waterlogging can render septic systems nonfunctional and stressed until soils dry out.
  • Flood-prone siting and poor drainage increase the chance of septic drain-field failure, backflow into plumbing, and groundwater contamination risk if systems are overwhelmed.
  • What to check and how to plan:
    • Review FEMA flood maps to understand your property's flood risk: https://msc.fema.gov/portal/home
    • When designing or evaluating a system, prioritize elevated or mound-type drain fields where permitted, and ensure proper setbacks from water features, wells, and property boundaries.
    • Maintain access for pump-out and inspection—floods can postpone service windows, so plan with a licensed professional.

Practical guidelines for Plaquemines homeowners

  • Step-by-step siting and design considerations:
    1. Identify your soil and drainage with the Web Soil Survey (NRCS): https://websoilsurvey.nrcs.usda.gov/
    2. Have a licensed septic designer perform a soil-percolation assessment for your site; discuss substrate limitations and potential need for elevated systems.
    3. Check groundwater and salinity context via USGS data and EPA guidance; consider salt-tolerant or higher-capacity drain-field designs if your soil or water data indicate brackish conditions.
    4. Review flood risk and plan for elevations or protective measures consistent with local regulations (FEMA maps are a good starting point): https://msc.fema.gov/portal/home
    5. Coordinate with local authorities and a licensed contractor about parish guidelines and required setbacks from wells, streams, and property lines; reference LDH guidance for onsite wastewater as a baseline: https://www.epa.gov/septic and https://deq.louisiana.gov/
  • Quick reminders:
    • Do not install or service septic systems in areas that regularly flood or saturate; such zones require special design and permits.
    • Regular inspections and timely pumping are essential in deltaic, high-moisture environments to prevent system backups and protect groundwater quality.

Typical Septic System Types in Plaquemines Parish

Conventional septic system

  • What it is: A two-component setup with a septic tank that collects solids and a drain field that disperses clarified effluent into the soil.
  • When it works best: Well-drained, reasonably deep soils and a moderate water table.
  • Pros: Simple design, widely installed, generally lower upfront cost.
  • Cons: Performance can degrade if groundwater is high or soils are very clayey or poorly drained; flood-prone lots may require additional evaluation.
  • Maintenance note: Have the system inspected when you buy a home and pump the tank every 3–5 years, or per local guidance. See EPA basics at https://www.epa.gov/septic'>https://www.epa.gov/septic.

Mound system (raised system)

  • What it is: A conventional-style drain field built above the native soil on a sand fill, with a separate network to handle effluent when the natural soil isn't suitable.
  • When it works best: Very shallow groundwater or soils with poor drainage, common in low-lying parts of Plaquemines Parish.
  • Pros: Expands where a standard drain field won't perform due to hydrology.
  • Cons: Higher cost, more components to maintain, requires careful design and installation.
  • Maintenance note: Regular inspections and adherence to pump-out intervals are essential. For state guidance, check the Louisiana On-Site Wastewater program resources via LDH and EPA materials at https://ldh.la.gov/ and https://www.epa.gov/septic'>https://www.epa.gov/septic.

Aerobic Treatment Unit (ATU) with drain field

  • What it is: A compact, mechanically ventilated treatment unit that pre-treats wastewater before it reaches the drain field.
  • When it works best: Lots with limited space, challenging soils, or where a higher-quality effluent is desired.
  • Pros: Produces cleaner effluent, can reduce drain-field size requirements, suitable for tight lots.
  • Cons: Requires electricity, more routine maintenance and parts replacement, higher ongoing costs.
  • Maintenance note: ATUs typically need annual service by a licensed technician and periodic pumping of any secondary tanks. See EPA overview of septic technologies at https://www.epa.gov/septic for more details.

Evapotranspiration (ET) beds and spray irrigation

  • What it is: A system that relies on plant evapotranspiration and, sometimes, spray or drip irrigation to remove water from the disposal area.
  • When it works best: Specific site conditions with adequate sun and drainage; less common in areas with heavy rainfall and high groundwater.
  • Pros: Low visual footprint; can be aesthetically integrated into landscaping.
  • Cons: Performance can be sensitive to climate; not suitable everywhere in Plaquemines Parish.
  • Maintenance note: Plant health and line flushing are routine tasks; follow local health department guidance. EPA's septic resources offer general background: https://www.epa.gov/septic'>https://www.epa.gov/septic.

Drip irrigation and spray irrigation

  • What it is: Dissipates treated effluent through perforated pipes or sprinklers to landscaped areas, often with pressure dosing.
  • When it works best: Small lots or yards where traditional drain fields aren't ideal; can reduce surface runoff concerns.
  • Pros: Efficient water use, flexible landscaping integration.
  • Cons: More complex maintenance, potential clogging issues; requires proper design and filter maintenance.
  • Maintenance note: Regular filter cleaning and pump checks are important. For general guidelines, see EPA septic information at https://www.epa.gov/septic'>https://www.epa.gov/septic.

Constructed wetlands and hybrid systems (less common)

  • What it is: Systems that rely on engineered wetlands or mixed technologies to treat wastewater.
  • When it works best: Properties with space for a landscaped treatment area and specific environmental goals.
  • Pros: Potentially low-energy and aesthetically pleasing; can provide wildlife habitat.
  • Cons: Require careful design, seasonal variation in performance, and local permitting review.
  • Maintenance note: Site-specific oversight is essential; consult the parish health office and licensed installers.

Step-by-step considerations for Plaquemines Parish site planning

  1. Assess soil type, depth to groundwater, and flood risk with a local soil test and the parish health department.
  2. Check local permit requirements and system type approvals for the parish.
  3. Consider lot size, drainage, and proximity to wells or water features when choosing a system.
  4. Plan for ongoing maintenance, including pumping and professional inspections.

Site considerations for Plaquemines Parish

  • Flooding and seasonally high water tables can constrain drain-field performance.
  • Coastal soils may vary from sandy to clay-rich; site-specific design is essential.
  • Work with a licensed septic designer and rely on local health department guidance to ensure your system meets parish and state standards. For official state and federal context, see EPA septic resources at https://www.epa.gov/septic and consult LDH's On-Site Wastewater program for Louisiana-specific requirements via https://ldh.la.gov/.

Typical Septic Issues Across Plaquemines Parish

Drain field saturation and failure

  • Symptoms: standing water over the drain field, persistent soggy patches, slow draining fixtures, backups in lower-level drains.
  • Causes: high groundwater or flood-prone soils, oversizing issues, excessive water use, or poor distribution pipes.
  • What to do: reduce peak wastewater flow, avoid parking or heavy loads on the drain field, and schedule a professional inspection to assess field condition and septic tank performance.

Flooding, high water table, and seasonal inundation

  • Why it matters here: Plaquemines Parish experiences frequent rain, storms, and coastal flooding that can saturate soils and push effluent toward the surface.
  • Impacts: reduced soil absorption, effluent surfacing, and accelerated drain field deterioration.
  • Practical steps: wait for soils to dry before inspecting or pumping, and ask a licensed septic contractor about post-flood remediation options.

Soil and site limitations in Plaquemines Parish

  • Local soils can vary from clayey to sandy with fluctuating moisture. Poor percolation or perched water can misdirect effluent.
  • What homeowners notice: slower drainage, backups after rain, or wet marshy areas near the system.
  • Mitigation: ensure the system is properly sized for the lot, install sufficient setback distances, and follow parish guidelines during installation and maintenance.

Tree roots and physical damage

  • Roots from ornamental trees, shrubs, or nearby timber can invade inlet/outlet pipes and clog lines.
  • Signs: gurgling sounds, slow drains, and visible root intrusion around cleanouts.
  • Prevention: maintain a safe clearance around system components and have roots trimmed by a professional if intrusion is detected.

System misuse and maintenance gaps

  • Common culprits: cooking fats/grease, household chemicals, bleach-heavy cleaners, and flushing wipes or solids labeled as "flushable."
  • Consequences: solids accumulate, baffle filters clog, and the system's digestion process slows.
  • Best practices: use septic-safe products, install a screen/settling device where appropriate, and keep a consistent schedule for pumping based on usage.

Infiltration by pests and animals

  • Rodents or insects can burrow into tanks or pipes, causing leaks or odors.
  • Action: seal access points, keep lids closed, and call a pro if you suspect animal intrusion.

Storms, hurricanes, and extreme weather impacts

  • What happens: surge, wind-driven debris, and debris-filled runoff can overwhelm systems or damage components.
  • Response plan: have a disaster readiness checklist, arrange for post-storm inspection, and avoid immediate pumping or repairs until authorities confirm safe weather conditions.

Saltwater intrusion and coastal conditions

  • Coastal/brackish conditions can corrode components and alter soil chemistry, affecting breakdown and absorption.
  • Caution: ongoing coastal management and routine inspections help identify corrosion early; rely on licensed professionals for replacements and upgrades.

Signs your system needs attention

  1. Frequent backups or slow drains throughout the house.
  2. Unpleasant odors near the septic area or drain field.
  3. Wet, spongy ground or standing water above the drain field.
  4. Gurgling pipes or toilets that produce unusual sounds.
  5. New cracks or damp patches in the yard.

What to do if you notice a problem (steps)

  1. Limit water use to reduce load on the system.
  2. Locate and mark the septic tank access points; avoid driving or heavy traffic over the area.
  3. Call a licensed septic professional for an on-site evaluation and pump-out if needed.
  4. Schedule regular maintenance to prevent future failures (pumping intervals depend on household size and system design).
  5. Review and adjust household usage (low-flow fixtures, mindful disposal of solids).

Maintenance mindset and upgrades

  • Schedule: every 3–5 years for pumping is common, but adjust based on tank size and household water use.
  • Protect: install a distribution box and maintain adequate setbacks from wells, water lines, and property lines.
  • Upgrade options: consider effluent filters, drip irrigation adaptations, or a tank with better effluent treatment if your soil and water table conditions demand it.

Official resources

Septic Inspection, Permits & Local Oversight

Plaquemines Parish oversight

  • In Plaquemines Parish, on-site wastewater systems are overseen by the Plaquemines Parish Health Unit in coordination with the Louisiana Department of Health. Before installing, repairing, or abandoning a septic system, you must obtain a permit from the parish health department. Inspections are required at key milestones.

Permits you'll need

  • Permit for new installation or replacement
  • Permit for repair or abandonment
  • Supporting documents:
    • Site plan showing setbacks to wells, streams, property lines
    • Soils evaluation by a licensed professional
    • System design prepared by a licensed Onsite Wastewater System Designer
    • Contractor license numbers and contact information
    • Legal property description

The permit process (step-by-step)

  1. Contact Plaquemines Parish Health Unit to confirm permit requirements and obtain the application.
  2. Hire a licensed Onsite Wastewater System Designer to prepare a site plan and system design.
  3. Have soils evaluated; a percolation test may be required and documented.
  4. Submit the permit application, plans, and fees to the parish for review.
  5. Schedule the initial site work inspection as construction begins.
  6. After installation, schedule the final inspection to obtain permit clearance; keep all permit records.

What inspectors look for

  • Compliance with setback distances (from wells, streams, property lines)
  • Correct installation of septic tank, distribution box, drain field, and vents
  • Proper sizing of the absorption area per the design
  • Correct piping, risers, lids, and access ports
  • Adequate cover, compaction, and slope to prevent issues
  • Proper labeling and accurate as-built documentation

Local oversight nuances

  • Seasonal restrictions or weather-related delays may affect inspections.
  • Some projects may trigger additional reviews if the property is in floodplain or other sensitive areas.
  • Real estate transactions often require disclosure of septic status; check with your agent about timing and representations.

Real estate transfers and disclosures

  • Louisiana requires disclosure of septic system status and any outstanding permits.
  • Obtain copies of permit approvals and as-built drawings to share with buyers or agents.

Resources and contacts

Cost Expectations for Septic Services in Plaquemines Parish

Septic Tank Pumping and Cleaning

What it includes:

  • Removing accumulated sludge and scum from the tank, inspecting lids, and checking the inlet/outlet baffles.
  • Basic maintenance note: in Plaquemines Parish, access can be tricky after floods or mud; crews may need alternative access or scheduling around tidal conditions.

Typical cost in Plaquemines Parish:

  • Rough range: $250–$500 for a standard 1,000–1,250-gallon tank.
  • Larger tanks or difficult access: $500–$750, plus call-out fees if travel is extensive.

System Inspections (Pre-purchase and Routine)

What it includes:

  • Visual inspection of tanks, pumps, and distribution or drip systems; check for standing water, odors, and signs of failure.
  • Dye tests or basic camera inspection of lines may be added for more certainty.

Plaquemines Parish specifics:

  • Rural and flood-prone properties can require dewatering or staging adjustments; inspections may take longer after storms to ensure accurate readings.

Typical cost in Plaquemines Parish:

  • Basic inspection: $150–$300.
  • With dye test or camera inspection: $350–$600.

Drain Field Evaluation and Maintenance

What it includes:

  • Assessment of soil absorption, field layout, and evidence of failure (mounded fields, wet spots, or odors).
  • May include percolation tests or soil evaluation when upgrades are considered.

Plaquemines Parish specifics:

  • Coastal soils, high groundwater, and tidal influences can affect field performance; evaluations often prompt recommended upgrades (e.g., reserve drain field or mound system).

Typical cost in Plaquemines Parish:

  • $350–$700 for evaluation.
  • Dye or advanced testing add-ons: $50–$150, with full reporting around $500–$800.

Septic System Repairs

What it includes:

  • Fixes for leaks, broken baffles, inlet/outlet pipes, pump failures, or distribution box issues.
  • Jetting or cleaning may be used cautiously to clear roots or obstructions.

Plaquemines Parish specifics:

  • Saltwater intrusion, moisture, and flood-related damage can hasten component wear; repair timing may be influenced by seasonal flooding.

Typical cost in Plaquemines Parish:

  • Minor repairs: $150–$800.
  • Major repairs or pump replacements: $1,000–$5,000.
  • Lift-pump or component replacements: $2,000–$6,000.

New Installation or System Replacement

What it includes:

  • Site assessment, design, and installation of a conventional gravity system or an alternative/advanced system (e.g., mound) when site conditions require it.

Plaquemines Parish specifics:

  • High water tables, flood risk, and sandy or clay soils often lead to a mound or enhanced treatment system, which affects design and cost.

Typical cost in Plaquemines Parish:

  • Conventional gravity system: roughly $5,000–$15,000.
  • Mound or advanced treatment system: roughly $15,000–$30,000.
  • Permit fees and site prep are separate in many cases and can vary by parcel.

What it includes:

  • Rapid pumping after backups, downtime due to power outages, or flood cleanup and sanitation.

Plaquemines Parish specifics:

  • Storms and flooding are common; crews may offer priority scheduling but can have after-hours charges.

Typical cost in Plaquemines Parish:

  • Service call: $150–$300.
  • Pumping: $250–$600, depending on tank size and accessibility.
  • After-hours surcharge may apply.

Permitting, Inspections, and Local Codes

What it includes:

  • Coordination with Plaquemines Parish Health Unit or building department for permits and final inspections.
  • Fees, turn times, and required plans vary by project scope and subdivision.

Plaquemines Parish specifics:

  • Parish requirements can influence timing and cost; some projects require plan review and on-site inspection before final approval.

Typical cost in Plaquemines Parish:

  • Permit and inspection fees: roughly $100–$500, depending on scope.

Official resources:

Septic vs Sewer Across Plaquemines Parish

How septic systems vs sewer work in Plaquemines Parish

  • Septic: Wastewater from your home is treated on your property. A tank holds solids, liquids exit to a drain field, and soil bacteria finish the job underground.
  • Sewer: Household wastewater is collected by a municipal system and treated at a centralized facility. You don't manage the treatment on your own property.

Is Plaquemines Parish served by municipal sewer?

  • Many incorporated towns within Plaquemines Parish have their own sewer systems, but rural and unincorporated areas often rely on on-site septic.
  • To confirm your service status:
    • Check with the Plaquemines Parish Utility Department or your local town hall.
    • Look for a service-area map or sewer connection requirements in your property records.
    • Ask neighbors about what others on your street use.

When to connect to sewer (and when to stay septic)

  • If a municipal sewer line is available on or near your street, local ordinances may require you to connect within a certain timeframe. Availability and rules can vary by municipality.
  • If no sewer is available, you'll continue to rely on a properly functioning septic system.
  • Before deciding, compare:
    • Upfront connection costs and any tap fees
    • Ongoing monthly sewer charges vs septic pumping and maintenance
    • Long-term reliability and environmental factors in Plaquemines Parish soil and drainage conditions

Pros and cons at a glance

  • Septic pros:
    • Independence from municipal systems
    • Potentially lower monthly costs if well maintained
    • Control over system maintenance schedule
  • Septic cons:
    • Regular pumping and occasional repairs needed
    • Risk of failure if maintenance is neglected or soil is unsuitable
  • Sewer pros:
    • No routine tank pumping or drain-field maintenance for the homeowner
    • Generally consistent service and simpler troubleshooting
  • Sewer cons:
    • Connection fees and monthly bills can be higher over time
    • Dependency on the municipality's system and maintenance budget

Maintenance matters for septic systems in Plaquemines Parish

  • Pump your septic tank every 3–5 years (more often for households with heavy use or small tanks).
  • Protect the drain field: plant grass, not trees or shrubs with deep roots; avoid compaction from heavy equipment nearby.
  • Use water-saving fixtures and spread out high-volume tasks (like laundry) to reduce load.
  • Never pour oils, fats, or chemicals down drains; avoid garbage disposals that grind non-biodegradables.
  • Have a licensed septic professional inspect if you notice gurgling, slow drains, or standing water near the drain field.

Cost considerations and funding options

  • Septic installation and replacement costs vary by tank size, soil, and drainage conditions; routine maintenance (pumping, inspections) is a recurring expense.
  • Sewer connection costs include tap fees, assessment charges, and monthly rates set by the utility district.
  • In some cases, local or state programs offer low-interest loans or grants for septic upgrades or sewer connections—check with Plaquemines Parish and state housing programs for current options.

Quick decision steps for homeowners

  1. Verify whether you're in a sewer service area with the local municipality or parish.
  2. Compare the total 5–10 year costs of keeping a septic system vs ongoing sewer charges, including potential connection fees.
  3. If on septic, arrange a professional inspection and schedule regular pumping.
  4. Review local regulations with the parish or a licensed contractor to ensure compliance if sewer access becomes available.

Regulations and resources