Septic in Smith County, TX

Smith County greets you with piney woods, open pastures, and a growing mosaic of neighborhoods stretching from Tyler into Bullard, Lindale, Whitehouse, and Noonday. That mix of expansion and rural charm means septic systems are a familiar topic for many households here.

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

• Yes. Septic systems are common, especially on properties outside the city limits or on larger lots.
• Inside town limits, many homes connect to municipal sewer, but some newer subdivisions and rural pockets still rely on on-site systems.
• For buyers, expect to see a septic system on many rural and some suburban parcels; always check the seller's disclosures and arrange a professional inspection as part of your due diligence.

Why homes typically use septic systems in Smith County

• Large lot sizes and historic development patterns mean extending centralized sewer isn't always practical or affordable.
• Local soils and groundwater conditions require properly designed systems to treat wastewater on site.
• The cost and logistics of building and maintaining city sewer lines across farms, timberlands, and dispersed lots often favor individual systems.
• On-site systems give homeowners direct, long-term control over wastewater management, which suits the way many Smith County properties are used.

County growth history and how that has impacted septic coverage

• Smith County has seen steady growth since the late 20th century as Tyler's job base and amenities expanded, along with development in surrounding communities.
• As people moved farther from traditional city cores, subdivisions on larger lots relied more on septic because extending sewer service isn't always feasible in those areas.
• Today, you'll find a continuum: densely connected urban areas with sewer, and rural or exurban pockets where septic remains the standard for wastewater treatment.
• This mix keeps septic coverage a relevant topic for homeowners and buyers across the county.

High-level explanation (why septic exists here)

On-site wastewater treatment makes sense in a county with diverse land uses—from dense, growth-driven pockets to wide-open rural areas. Proper design, careful installation, and regular maintenance are essential to protect wells, streams, and property value, while giving households a practical, locally managed solution.

With that context in mind, you'll be better prepared to evaluate properties and maintenance needs here in Smith County.

How Septic Is Regulated in Smith County

State oversight and local role

• Texas regulates onsite wastewater systems (OSSFs) statewide through the Texas Commission on Environmental Quality (TCEQ). TCEQ sets design standards, licensing requirements for designers and installers, and general permit rules.
• Local health departments (including Smith County's Environmental Health authorities) handle plan reviews, permit issuance, inspections, and enforcement under TCEQ's framework.
• In Smith County, you'll typically work with the county health department for permits, inspections, and compliance, guided by statewide rules.

What counts as regulated

• On-site Sewage Facilities (OSSFs) include traditional septic tanks, drainage fields, mound systems, and any alternative or advanced treatment units used in Smith County.
• All OSSFs must be designed by a TCEQ-licensed OSSF designer and installed by a licensed OSSF installer; ongoing maintenance must be handled by a licensed service provider.
• If you need an alternative system or a design variance, additional review and approvals are required.

Permitting and design steps

1. Hire a licensed OSSF designer to prepare the plan per 30 TAC 285 standards.
2. Submit the plan to the Smith County Health Department for review and permit issuance.
3. Obtain and keep the permit before any excavation or installation begins.
4. Hire a licensed OSSF installer to construct the system according to the approved plan.
5. Schedule inspections with the local health authority at key milestones (e.g., before backfill, after installation, and final when complete).
6. Receive final approval and have the system officially deemed operational.

Roles of licensed professionals

• OSSF Designer: creates a plan that meets state design criteria and site conditions; coordinates with the installer and inspector.
• OSSF Installer: builds the system per the approved plan; obtains installation permits and coordinates inspections.
• OSSF Service Provider: responsible for routine pumping, inspection, and maintenance to keep the system working properly; maintains records of service.

Records, disclosures, and property transactions

• Keep copies of the permit, the as-built diagram, inspection reports, and maintenance records in a safe, accessible place.
• When buying or selling a home, ensure you obtain the system's permit history, as-built drawing, and recent maintenance records for disclosure and due diligence.

Maintenance and inspections

• Regular pumping is typically recommended every 3–5 years for a typical household, but frequency depends on tank size, household water use, and system design.
• Schedule inspections when you notice damp areas, odors, lush vegetation over the drain field, or slow drainage—these can signal a problem.
• Use only licensed service providers for pumping and maintenance and keep receipts and service logs.

What to do if you have a problem

• If you suspect a malfunction, contact Smith County Health Department for guidance and scheduling inspections.
• Avoid using the system aggressively while awaiting inspection; minimize water use to reduce stress on the system.
• For regulated violations or concerns that involve state standards, TCEQ may be involved.

Official resources

• TCEQ On-Site Sewage Facilities program:
• Smith County government (for local permitting and Environmental Health contact):
• Licensed OSSF professionals and licensing info (state program): https://www.tceq.texas.gov/permitting/ossf/licensing

Soil, Groundwater & Environmental Factors in Smith County

Soil Composition and Permeability

• Smith County soils are diverse, with a mix of clays, loams, and sandy textures. Soil texture and drainage class directly affect how wastewater can infiltrate the ground.
• Percolation (soil absorption) tests are essential to determine proper septic design. Soils that drain slowly can require advanced systems (such as mound or alternative designs), while rapidly draining soils still need careful siting to protect groundwater.
• Use the U.S. Department of Agriculture Natural Resources Conservation Service Web Soil Survey to identify the dominant soils on your property and their drainage characteristics:
• Check local health department or county-level guidelines for setbacks from wells, streams, property lines, and floodplains; these can vary by jurisdiction within Smith County.

Maintenance and safeguarding

• Schedule regular inspections and pump-outs as recommended for your system design.
• Keep chemicals, solvents, and non-biodegradable products away from the septic field to protect soil biology and groundwater quality.

Environmental Stewardship and Water Conservation

• Small daily choices can protect soil structure and groundwater in Smith County.
  • Conserve water to reduce loading on the septic system: fix leaks, install efficient fixtures, and spread out high-water-use activities.
  • Use phosphate-free and low-toxicity cleaning products to minimize soil and groundwater impact.
  • Landscape with native plants and avoid heavy grading or trenching near the septic field to maintain soil integrity.
• When in doubt, consult official resources and local professionals to tailor recommendations to your property conditions and local rules. Official references:
  • Soil data and site evaluation: https://websoilsurvey.nrcs.usda.gov/
  • Flood risk awareness: https://msc.fema.gov/portal/home
  • Texas OSSF permitting and guidelines: https://www.tceq.texas.gov/permitting/ossf/ossf-permitting

Typical Septic System Types in Smith County

Conventional gravity septic systems

• How they work: A conventional system uses a septic tank to separate solids from effluent. Clear liquid then flows by gravity into a network of perforated pipes in a gravel or soil absorption field.
• Where they fit in Smith County: Best when soils have adequate depth and permeability, with a reasonable distance from foundations and high water tables.
• Pros and cons:
  • Pros: Simple design, lower upfront cost, fewer moving parts.
  • Cons: Requires sufficient soil absorption area; clay soils, perched water tables, or shallow bedrock can limit performance.
• Maintenance basics: Pump the tank every 3–5 years (or as recommended by a licensed pro); keep roots, chemicals, and heavy machinery away from the drain field; watch for soggy spots or lush surface growth that could indicate drainage issues.

Low-pressure dose and pressure distribution systems

• How they work: A small pump dosed into a network of laterals under pressure, distributing effluent more evenly than gravity alone.
• Where they fit in Smith County: Useful on slopes, marginal soils, or where the absorption field is uneven. Requires a dosing chamber and electrical power.
• Pros and cons:
  • Pros: Improves field efficiency, can extend life of a marginal site.
  • Cons: Higher initial cost and more components to service; pump failure or power interruption affects performance.
• Maintenance basics: Regular inspection of the pump, control panel, and alarms; annual or biannual professional service; keep dosing area clear of debris.

Mound systems

• How they work: An elevated absorption area (the mound) built above poor native soils, using a sand fill to treat effluent before it reaches the soil beneath.
• When Smith County uses them: On sites with shallow soil, high seasonal water tables, or restrictive layers.
• Pros and cons:
  • Pros: Expands feasible sites, improves treatment in challenging soils.
  • Cons: More expensive to install and maintain; larger footprint; sensitive to compaction and vegetation management.
• Maintenance basics: Inspect surface and access risers; avoid driving over or dumping on the mound; periodic professional service as recommended.

Sand filter systems

• How they work: Treated effluent from a septic tank or ATU passes through a planted or bare sand bed, providing additional filtration before reaching the soil.
• Where they fit: Appropriate when soil conditions limit conventional drain fields, or when additional treatment is desired.
• Pros and cons:
  • Pros: Enhanced effluent quality; usable on soils that limit standard leach fields.
  • Cons: Space requirements; more maintenance (surface cleaning, vegetation management).
• Maintenance basics: Regular inspections; keep surface in good condition to prevent clogging; schedule specialized service for filter media as needed.

Aerobic Treatment Units (ATUs)

• How they work: Mechanically aerated units that treat wastewater to higher effluent quality before disposal, often feeding a drain field or mound.
• Why they're used in Smith County: Helpful in challenging soils or where space is limited; can reduce the required size of the final disposal field.
• Pros and cons:
  • Pros: Better treatment efficiency, smaller or alternative disposal options.
  • Cons: Higher energy use; more frequent maintenance and alarms; requires licensed service visits.
• Maintenance basics: Regular professional servicing (typically every 6–12 months); monitor alarms; keep the unit accessible and free of debris.

Drip irrigation / evapotranspiration (ET) disposal

• How it works: Treated effluent is delivered through drip lines or ET systems to landscape plants, lawns, or evapotranspiration beds.
• Where appropriate in Smith County: When space, water reuse goals, or landscape plans favor subsurface irrigation.
• Pros and cons:
  • Pros: Efficient water reuse; small surface footprint; flexible design.
  • Cons: Requires careful design and professional installation; potential clogging; regulatory approvals may apply.
• Maintenance basics: Screen and filter cleaning; routine inspection of emitters; keep irrigation zones within code boundaries.

Choosing the right system in Smith County

• Key considerations: soil type and depth, groundwater behavior, slope, lot size, budget, and willingness to perform ongoing maintenance.
• Quick-start steps:
  1. Have a licensed septic professional evaluate site conditions.
  2. Check with the county health department for local requirements and approvals.
  3. Compare upfront costs, ongoing maintenance, and permit considerations.
• Post-installation notes: All OSSF installations must meet TCEQ guidelines and be properly permitted and inspected.

Official resource: TCEQ On-Site Sewage Facility (OSSF) program — https://www.tceq.texas.gov/permitting/ossf

Typical Septic Issues Across Smith County

Common causes of septic trouble in Smith County

• Aging tanks, lids, baffles, and drainfields that have reached or near end of life.
• Root intrusion from trees and shrubs growing near lines and the drainfield.
• Soil and groundwater conditions typical of East Texas (clay soils, perched water tables) that slow or block absorption.
• Improper use of the system: flushing non-septic items, excessive water, or frequent use of garbage disposals.
• Failing or mis-sized distribution boxes, pumps, or effluent filters in newer systems.

Signs your system may be failing

• Slow drains, frequent backups, or toilets that won't flush properly.
• Gurgling sounds in plumbing or water bubbling in sinks and tubs.
• Sewage odors around the house or near the drainfield.
• Soggy, unusually green, or lush patches over the drainfield area.
• Sewage surfacing in the yard or pooling water after rainfall.
• Water or sewage backing up into tubs, showers, or sinks after heavy use.

Regional conditions that stress drainfields

• Heavy spring rains and flooding can saturate soils, reducing absorption capacity.
• clay-rich soils and high water tables common in parts of Smith County slow seepage.
• Landscaping changes, such as new patios or driveways, can compact soil and impede wastewater distribution.
• High household water usage (large families, frequent guests) accelerates tank fill and effluent load.

Practical maintenance you can do

1. Pumping and inspection: Most homes benefit from a professional pump and inspection every 3–5 years; adjust based on tank size, family size, and disposal habits.
2. Water use discipline: Spread out laundry and dishwasher loads; repair dripping faucets promptly; install and use water-efficient fixtures.
3. Septic ecology: Use septic-safe, low-chemical cleaners; avoid caustic drain cleaners, solvents, and oil-based products.
4. Food waste and disposal: Limit garbage disposal use; compost or trash food scraps instead.
5. Planting and land use: Keep heavy equipment off the drainfield; plant trees and shrubs at a safe distance to avoid roots near lines.
6. Proactive checks: Have an annual professional check of the tank lid, pumps or effluent filters, and outlet piping to catch problems early.

Quick at-a-glance troubleshooting

1. If you notice backups or sewage odors: minimize water use, locate the cleanout if you're comfortable, and call a licensed septic technician.
2. If you see surface sewage or ponding in the drainfield: stop using water temporarily and contact a pro immediately.
3. If drains are slow but not backfilling: avoid chemical drain cleaners; schedule a professional evaluation to assess tank, pumps, and soil absorption.
4. If you're planning a home renovation or new landscaping: consult a septic professional before you dig to protect the drainfield.

When professional help is needed

• Persistent backups, strong odors, or effluent surfacing.
• Wet or unusually green areas over the drainfield with continued signs after rainfall.
• Suspected pump failure, broken baffles, or clogged effluent filters.
• Any uncertainty about tank capacity, soil absorption, or drainage zones.

Local considerations for Smith County homes

• East Texas soils and drainage patterns can limit absorption; proper siting and maintenance are key.
• Tree roots near lines are a common cause of sewer line damage; plan planting accordingly.
• Texas regulations for On-Site Sewage Facilities (OSSF) govern permits, installation, and maintenance; work should be done by licensed professionals. For official guidance, see:
  • Texas Commission on Environmental Quality (OSSF program):

Helpful resources

• Texas Commission on Environmental Quality (OSSF program) — official guidance and permit information: https://www.tceq.texas.gov/permitting/ossf
• EPA Septic Systems — consumer-friendly, region-agnostic guidance: https://www.epa.gov/septic
• CDC Safe septic practices and maintenance basics: https://www.cdc.gov/healthywater/sewage/onsite-sewage.html

Septic Inspection, Permits & Local Oversight

Local oversight in Smith County

In Smith County, septic systems are regulated at both state and local levels. The Texas Commission on Environmental Quality (TCEQ) sets statewide rules for Onsite Wastewater Treatment Systems (OWTS), while the county Environmental Health office handles local permits and inspections. If you're planning a new system, a replacement, or a major repair, start by checking with the Smith County Environmental Health office to learn required forms, plan requirements, and inspection scheduling. For the county's official resources and contact information, see the Smith County site:

Smith County official site (for local Health/Environmental Health contact and forms): https://www.smith-county.com

Cost Expectations for Septic Services in Smith County

Septic Tank Pumping and Cleaning

• What it includes: Removal of accumulated sludge and scum, cleaning the tank interior, inspection of baffles and inlet/outlet piping, and a quick check for leaks or standing water. In Smith County, access challenges (tight crawlspaces or gated properties) can affect cost and schedule.
• Typical cost in Smith County: roughly $200–$450 for a standard 1,000–1,500-gallon tank; larger tanks or multiple-tank pumping can run $350–$600.
• When to schedule: every 3–5 years for typical homes; more often if there are frequent backups or high-use loads.
• Official resources: EPA septic overview (

System Inspections (Routine and Real Estate)

• What it includes: Visual inspection of components, check for odors, surface discharge, and pump status if requested; real estate inspections may require a formal written report and sometimes a diagnostic dye test.
• Typical cost in Smith County: $150–$300 for a standard inspection; real estate-focused inspections often $150–$250 plus any testing fees.
• When to schedule: before buying/selling a home; as part of routine maintenance or if you notice slow drains or gurgling.
• Official resources: EPA septic page (https://www.epa.gov/septic)

Drain Field Repair and Replacement

• What it includes: Diagnosing failing drain field (effluent infiltration issues, trenches or pipes replacements), possible soil inoculation or moving to a mound system depending on soil conditions typical in East Texas, and permitting coordination.
• Typical cost in Smith County: repair often $2,500–$8,000; full replacement $8,000–$20,000 or more, especially if new drain field area is needed or soil conditions require a mound system.
• When to schedule: if effluent surfaces, backups occur after pumping, or field fails a percolation test.
• Official resources: EPA septic page (https://www.epa.gov/septic), TCEQ OWTS overview (https://www.tceq.texas.gov/pws/owts/overview)

Septic Tank Installation and Replacement

• What it includes: Permitting, tank purchase (concrete or polyethylene), piping, distribution box, and drain field or alternative system installation; site-specific design based on soil conditions.
• Typical cost in Smith County: basic replacement or new install often $5,000–$10,000 for a simple conventional system; $10,000–$25,000+ for larger systems, challenging soils, or mound/ATU configurations.
• When to schedule: when a tank is structurally compromised, or you're building anew and need an OWTS designed for the lot.
• Official resources: EPA septic page (https://www.epa.gov/septic), TCEQ OWTS overview (https://www.tceq.texas.gov/pws/owts/overview)

Aerobic Treatment Unit (ATU) Maintenance and Repair

• What it includes: Servicing aerator, cleaning and replacing effluent filters, checking control panels, and ensuring proper aerobic treatment; may require professional start-up after power outages.
• Typical cost in Smith County: $200–$600 for routine annual service; ATU replacement or major repairs $6,000–$12,000.
• When to schedule: ATUs require regular maintenance per manufacturer guidelines; more frequent service in humid East Texas climates.
• Official resources: EPA septic page (https://www.epa.gov/septic)

Tank Risers, Lids, and Access Upgrades

• What it includes: Installing or upgrading concrete or plastic risers, secure lids, and improved access for future pumping; reduces unsanitary digging and protects from root intrusion.
• Typical cost in Smith County: $500–$1,500 installed, depending on tank accessibility and lid type.
• When to schedule: during pump-outs or when existing lids are difficult to reach.
• Official resources: EPA septic page (https://www.epa.gov/septic)

Soil Evaluation and Perc Tests (New System)

• What it includes: Soil borings, percolation tests, and site evaluation to determine appropriate system design (conventional, mound, or ATU) based on Smith County soils.
• Typical cost in Smith County: $300–$800 for basic soil evaluation; more complex site work can be higher.
• When to schedule: required before new installation or when replacing a failing drain field.
• Official resources: EPA septic page (https://www.epa.gov/septic)

Pump Stations and Grinder Pumps

• What it includes: Inspection, repair or replacement of submersible pumps or grinder pumps, and associated controls; may include electrical checks.
• Typical cost in Smith County: $1,000–$3,000 for a replacement pump; annual maintenance $100–$300.
• When to schedule: if wastewater isn't advancing properly or there's frequent backups near the tank outlet.
• Official resources: EPA septic page (https://www.epa.gov/septic)

Preventive Maintenance Plans

• What it includes: Scheduled pumping, inspections, and priority service to reduce unexpected failures; some providers offer annual or biannual contracts.
• Typical cost in Smith County: $100–$300 per service, or $200–$500 per year for a bundled plan.
• When to schedule: as a proactive approach to extend system life and avoid costly repairs.
• Official resources: EPA septic page (https://www.epa.gov/septic)

Emergency/After-Hours Service

• What it includes: Rapid response for backups, overflows, or sudden failures outside normal hours; may include higher labor rates or after-hours fees.
• Typical cost in Smith County: $200–$500 after-hours surcharge on top of standard service rates.
• When to schedule: during backups, sewage smells, or flooding events.
• Official resources: EPA septic page (https://www.epa.gov/septic), TCEQ OWTS overview (https://www.tceq.texas.gov/pws/owts/overview)

Cities & Communities in Smith County With Septic Systems

Tyler area: sewer coverage and septic pockets

Most of the City of Tyler relies on municipal sewer, and development inside the city limits is generally sewered. In the surrounding unincorporated parts of Smith County and rural pockets near Tyler, however, septic systems are common. If you're building or buying outside the city limits, expect to encounter a septic system as part of the property's wastewater solution. For specific developments or subdivisions, always confirm with the local utility or county planning office.

• Inside city limits: sewer service is the norm.
• Outside city limits: septic systems are more likely, especially on larger lots or in rural subdivisions.

Small towns and communities with septic systems

In Smith County, several small communities rely on septic systems for properties not served by municipal sewer. Septic is typical in rural parcels and in areas where sewer mains don't reach every neighborhood.

• Lindale
• Whitehouse
• Bullard
• Flint

Outside these towns, many rural parcels throughout Smith County operate with septic systems. Lot size, slope, and soil conditions all influence whether a septic system is a practical and compliant option.

How to tell if your property uses septic

If you're unsure whether your home uses septic or city sewer, follow these steps to verify:

1. Check your property records, deed, or the installation/permitting paperwork for a septic system.
2. Contact your local utility provider or Smith County planning department to confirm service boundaries and whether septic is permitted on your parcel.
3. Look up official wastewater maps or OSSF information with the Texas Commission on Environmental Quality (TCEQ).
4. Hire a licensed septic inspector or engineer to evaluate the current system and determine compliance and replacement needs.

Maintenance and best practices for septic homes in Smith County

A well-maintained septic system saves money and headaches. Follow these practical steps:

• Regular pumping: most households pump every 3–5 years, depending on usage and system size.
• Wastewater habits: minimize FOG (fats, oils, grease), avoid flushing non-biodegradable items, and use water efficiently to reduce load on the tank.
• Drainage management: protect the drain field from heavy equipment, landscaping, and excessive rainwater pooling.
• Documentation: keep a record of maintenance, tank pumps, and any inspections or repairs for future buyers.

Official resources to consult

• Smith County Official Website:
• City of Tyler Official Website:
• Texas Commission on Environmental Quality (OSSF program): https://www.tceq.texas.gov/permitting/ossf
• Texas A&M AgriLife Extension Service (septic maintenance and education): https://agrilifeextension.tamu.edu
• Texas Water Development Board (water and wastewater information): https://www.twdb.texas.gov

Septic vs Sewer Across Smith County

How septic and sewer systems work in Smith County

• Septic system (on-site): Wastewater is collected in a septic tank on your property, treated underground, and effluent travels to a drain field. It relies on soil, groundwater, and regular maintenance to function.
• Municipal sewer (sewered): Household wastewater is sent through the public sewer lines to a centralized treatment plant. The homeowner's responsibility ends at the clean-out; the sewer utility handles treatment and disposal.
• Availability varies by area: Rural parts of Smith County are more likely to rely on septic, while many towns and subdivisions have sewer service provided by a local utility or municipality.

Costs and long-term planning

• Septic installation and replacement: Roughly 8,000–25,000+ depending on soil, tank size, and complexity. Regular pumping every 3–5 years adds ongoing cost (typical pump-out range 250–600 every visit).
• Sewer connection: One-time hookup fees plus monthly sewer bills based on usage. Hookup costs commonly range from a few thousand dollars to higher amounts if mains must be extended to your property.
• Ongoing stewardship matters: With septic, ongoing maintenance reduces failure risk and avoids costly repairs. With sewer, you'll have predictable monthly fees but rely on the utility's reliability and rate structures.

Maintenance and common issues

• Septic care basics:
  • Pump every 3–5 years (or as advised by a licensed installer) and inspect components periodically.
  • Avoid flushing non-biodegradables, grease, pesticides, and large amounts of harsh chemicals.
  • Conserve water to reduce load on the system.
  • Protect the drain field from heavy equipment, parking, or root intrusion.
• Common signs of trouble: gurgling sounds, toilet backups, damp spots or lush growth above the drain field, or standing water near the septic tank or drain field.
• Sewer care basics: fewer on-site tasks, but be mindful of root intrusion or back-ups that can affect the mainline. Report issues to your utility promptly to prevent backups into your home.

When to connect to sewer vs keep septic

• Connect to sewer if:
  • A public sewer line runs within reasonable distance and the local utility offers connection.
  • Your soil is not suitable for a robust on-site system (poor absorption, high groundwater, or bedrock).
  • You want predictable monthly costs and reduced on-site maintenance.
• Keep septic if:
  • You're in a location without sewer access and the soil is suitable for a well-designed OSSF (on-site sewage facility).
  • You prefer on-property ownership and can budget for pumping and potential field repairs.
  • You're not ready for the upfront costs of extending a sewer main to your property.

Step-by-step: If you have sewer access and are considering connection

1. Contact your local utility or city/county wastewater department to confirm service availability and current connection options.
2. Request an estimate for hookup costs and any required infrastructure work on your property.
3. Review any impact fees, inspection requirements, and permit processes with the authority.
4. Obtain a formal service agreement and any required permits.
5. Schedule installation and hook-up work with licensed professionals as needed.
6. Confirm final meter setup and begin routine wastewater service with the utility.

Step-by-step: If you have a septic system and are considering converting to sewer

1. Check with the local utility about service availability and required connections.
2. Get an official assessment of any mainline extensions or rights-of-way needed to reach your property.
3. Obtain quotes for hookup costs, permits, and any road or trenching work.
4. Plan for and obtain necessary permits; coordinate with licensed plumbers and contractors.
5. Complete the hookup work and schedule the switch to sewer service (including any meter or billing changes).
6. Maintain your septic system until conversion is complete, and follow any utility-specific guidance during the transition.

Resources and official guidance

• Texas Commission on Environmental Quality (OSSF/septic regulation and guidance): https://www.tceq.texas.gov/permitting/ossf
• U.S. Environmental Protection Agency septic system information: https://www.epa.gov/septic
• Texas A&M AgriLife Extension for homeowner septic care tips: https://agrilifeextension.tamu.edu/