Septic in Vallejo, CA

Vallejo sits between the Mare Island shoreline and the rolling hills, and for many homes the way wastewater is handled is a daily, often unseen detail. As a Vallejo-based septic contractor, I've talked with dozens of neighbors about the practical questions that come up: Is my home on septic? How do I keep it healthy? What should I look for before buying? Welcome—this guide is here to lay out clear, friendly advice you can rely on.

Is septic common in Vallejo? Should I expect septic if I own or buy a home? The honest answer is yes—Vallejo sees both city sewer connections and on-site septic systems. Blocks with ready access to municipal sewer lines are typically connected, but you'll still find properties—especially older subdivisions, hillside lots, and some rural pockets—that rely on a well-planned septic system. If you're buying a home, ask for the sewer status and check with the seller or city records to confirm whether the property is connected or has a septic system on site. Having the right information up front helps you plan for maintenance, not surprises.

Why do Vallejo homes typically use septic systems? There are a few practical reasons that fit how many properties are laid out here.

• When city sewer access is distant, unavailable, or cost-prohibitive to extend to a particular lot.
• On hillside or irregular lots where a traditional sewer main can't easily reach.
• To avoid the disruption and expense of trenching to connect to the municipal system.
• In older neighborhoods or rural outskirts where the sewer infrastructure hasn't been extended.

High-level explanation (why septic exists here): A septic system is an on-site wastewater solution that works with the property's soil and layout. Wastewater from the house goes into a septic tank, where solids settle, and the liquid part moves to a drain field where it filters through the soil. When designed and installed correctly, this creates a reliable, low-maintenance alternative to a distant sewer main. Vallejo's soils and groundwater patterns can support well-functioning drain fields, but they require proper sizing, careful system design, and regular maintenance to prevent backups, odors, or damage to the field.

A little neighbor-to-neighbor guidance: maintain your system with simple, practical steps—pump on schedule, use water wisely, and avoid dumping harsh chemicals. If you're buying, request a current septic inspection and records. If you're keeping a system, stay attentive to signs like slow drains, gurgling, odors, or unusually lush patches over the drain field, and schedule a local pro's assessment when needed. With that groundwork, you'll see why Vallejo homes rely on septic—and how to keep yours running smoothly.

Where Septic Systems Are Common in Vallejo

Where septic systems are most common in Vallejo

Most Vallejo homes are connected to the city's municipal sewer system, but septic systems remain visible in certain parts of town. You'll find them more often in hillside neighborhoods and on the city's outer edges where sewer lines don't extend as readily, or where lots are larger and development happened before sewer mains were built.

• Geographic pockets: hillside and ridge areas north and east of downtown, and some extended residential parcels near the city limits.
• Parcel size and development era: older subdivisions built before extended sewer service, and larger lots where extending sewer lines is more costly.
• Soil and site conditions: areas with soils that drain slowly or have limited percolation may be more likely to rely on septic systems when connection costs are prohibitive.

Why this happens

• Cost barriers: extending sewer mains to remote or elevated areas can be expensive for cities and developers. Some homeowners prefer maintaining a septic system rather than paying for a long sewer extension.
• Topography and soil: steep slopes or clay-heavy soils can complicate gravity sewer connections, making septic systems a practical alternative in certain spots.
• Historic patterns: Vallejo's growth included neighborhoods that predate modern sewer infrastructure, so septic systems linger in those sections.

What to expect in Vallejo's septic zones

• System variety: typical residential septic setups include a conventional septic tank with a drainfield, and in challenging soils, mound systems or sand filters may be used.
• Maintenance emphasis: because septic systems in these areas aren't part of a central sewer, regular maintenance (tank pumping, drainfield care, water-use management) becomes even more important.
• Local oversight: installation, inspection, and maintenance follow county and state guidelines to protect groundwater and public health.

How to tell if your Vallejo home uses septic

1. Check your property records or disclosures from when you bought the home.
2. Look for documentation from the city or county about sewer service boundaries.
3. Contact Solano County Environmental Health or your local health department to confirm whether your property is on sewer or septic.
4. If you're unsure, hire a licensed septic contractor to perform a safe, noninvasive assessment of the system and its condition.

Quick references for official guidance

• Solano County Environmental Health – Onsite Wastewater Systems: guidance for permits, inspections, and maintenance (official local resource).
• California Department of Public Health – Onsite Wastewater Systems: state-wide standards and best practices for design, installation, and upkeep.
• Local maps and service boundaries: Solano County GIS and city planning resources can help you verify sewer service areas.

Maintenance considerations for Vallejo septic users

• Regular pumping: plan pump-outs every 3–5 years for typical households, or as recommended by a licensed pro based on household size and usage.
• Water-use habits: spread out water-heavy tasks (dishwashing, laundry) and fix leaks promptly to reduce system load.
• Drainfield care: avoid driving or parking on drainfields, plant deep-rooted trees nearby, and be mindful of chemical and fertilizer use near the system.
• Inspections: schedule periodic inspections, especially after major renovations or if you notice slow drains, gurgling sounds, or damp soil near the drainfield.

Official resources and quick links

• Solano County Environmental Health – Onsite Wastewater Systems: official guidance on permits, maintenance, and inspections.
• California Department of Public Health – Onsite Wastewater Systems: state guidelines for safe design, installation, and long-term upkeep.
• Solano County GIS / Planning pages: maps showing sewer service boundaries and related municipal information.

If you're unsure whether your Vallejo home is septic or sewer-connected, start with your property records and then reach out to the county environmental health office to confirm the current status and any maintenance requirements specific to your site.

Septic vs Sewer: What Homeowners in Vallejo Should Know

How to tell which system serves your property

Vallejo offers both sewer-connected homes and properties that rely on on-site septic systems. To confirm:

• Check your most recent utility bill for a sewer/ wastewater charge from the city.
• Look for a septic tank lid, cleanout, or a drain field marker in your yard.
• Contact the City of Vallejo Public Works or Vallejo Water for an official determination.
• If you're purchasing a home, review disclosures and parcel records from Solano County for the system type.

How septic systems work vs sewer systems

• Septic system (on-site): Wastewater flows to a septic tank on your property, where solids settle. Liquid effluent then leaches to a drain field, where soil biology treats it. Regular pumping and professional inspection keep it functioning.
• Municipal sewer: All wastewater is collected through underground pipes and transported to a centralized treatment plant, where it's treated before discharge.

Key differences for Vallejo homeowners

• Cost responsibility: Sewer-connected homes typically pay ongoing monthly sewer charges; septic owners cover pumping, maintenance, and eventual replacement.
• Maintenance cadence: Septic systems generally need pumping every 3–5 years and periodic inspections; sewer systems rely on city maintenance.
• Environmental risk: A failing septic can threaten groundwater and nearby wells; a failing sewer can cause backups or street overflows if the system is overwhelmed.

Practical maintenance plan for septic owners in Vallejo

1. Confirm your system type and map the location of the septic tank and drain field.
2. Schedule professional pumping every 3–5 years, or per the inspector's recommendation.
3. Conserve water and avoid flushing hazardous chemicals, oils, or non-biodegradable items.
4. Protect the drain field: keep heavy equipment off the area, space deep-rooted plants away, and monitor irrigation loads.
5. Arrange annual or biennial inspections with a licensed septic professional; keep all maintenance records.

Official resources

• EPA Septic Systems:
• California Department of Public Health – Onsite Sewage Disposal:
• Solano County and Vallejo local guidance: check the official Solano County Public Works and City of Vallejo pages for current ordinances, inspection requirements, and permitting information.

Typical Septic System Types in Vallejo

Conventional septic systems

• How they work: A single septic tank collects and separates solids; clarified liquid (effluent) flows by gravity or via simple distribution to a drain field where it percolates through soil. Soil and native geology do most of the final treatment.
• Typical setup: Concrete or fiberglass tank, with perforated risers and drain lines in trenches filled with gravel or aggregate.
• Pros: Simple design, generally lower upfront cost, widely installed in Vallejo-area homes with adequate soil depth and separation from groundwater.
• Cons: Requires sufficient soil quality and space for a drain field; performance drops where soils are too clayey, rocky, or water tables are high.

Advanced and alternative on-site treatment systems

• Aerobic Treatment Units (ATU): Adds mechanical aeration and more complete treatment before discharge. Effluent often goes to a secondary treatment stage or is directed to a soil absorption area.
  • When to consider: Poor soil percolation, higher wastewater strength, or when odor and nuisance reduction is important.
• Sand filter systems: Treated effluent passes through a sandbox-like sand bed before infiltrating the drain field.
  • Benefits: Extra polishing of water quality; useful on marginal soils.
• Mound systems: Raised sand-filled mounds constructed above the native soil to improve infiltration when the native soil is too shallow or otherwise unsuitable.
  • When needed: Very shallow bedrock, high groundwater, or tight clays.
• Evapotranspiration (ET) beds and drip irrigation disposal: Alternative disposal approaches that rely on soil evaporation or transplant-based irrigation to manage effluent.
  • Suitability: Specific site conditions and local approvals; often paired with enhanced treatment.
• Pressure distribution and multi-zone systems: Use pumps and controlled flow to distribute effluent more evenly across a larger field or multiple trenches.
  • Advantage: Better field performance on marginal soils or limited space.

Specialty-site and restricted-condition systems

• Holding tanks: Collect wastewater for regular hauling or approved disposal; used where on-site treatment isn't feasible or permitted.
• Hybrid or customized systems: Combine components (ATU, sand filter, mound) to address unique site constraints.
• Quick reference: Vallejo-area homes with clay soils, shallow groundwater, or limited space often require an alternative or advanced system designed for those constraints.

Maintenance basics for Vallejo homes

1. Schedule regular inspections and pump-outs every 3–5 years (more often for high-usage homes or ATUs).
2. Conserve water to reduce load on the system: install efficient fixtures and spread out laundry and dishwasher use.
3. Use toilets and drains wisely: no grease, wipes, solvents, pesticides, or harsh cleaners that can disrupt bacterial action or drain-field infiltration.
4. Protect the drain field: keep heavy equipment off the absorption area, direct surface runoff away, and maintain a healthy landscape with deep rooting rather than parking over the field.
5. Keep records: maintain a system layout, tank size, and service history for county inspections and future maintenance.

Local considerations Vallejo homeowners should know

• Soil and groundwater: Vallejo's soils vary; percolation and depth to groundwater influence system type and permit requirements.
• Space and access: Drain fields need room for installation and future pumping; limited lot size may push toward alternative designs.
• Permits and inspections: On-site wastewater work generally requires county-level review and approval; check with local environmental health offices for current rules.

Official resources

• EPA Septic Systems:
• California Department of Public Health Onsite Wastewater Systems:

Common Septic Issues in Vallejo

High groundwater and seasonal flooding

Vallejo's winter rains and proximity to bay waters can push the water table up in many neighborhoods. When the drain field sits in saturated soil or shallow groundwater, effluent has nowhere to go and backups, surface pooling, and foul odors can occur.

• Signs to watch: slow drains, gurgling toilets, damp or lush spots above the field after rain, sewage odor in the yard.
• What homeowners can do:
  • Have a licensed septic professional inspect after heavy rains or during wet seasons.
  • Avoid using the system heavily right after storms; wait for the field to dry.
  • Schedule periodic pumping and an in-field evaluation before the wet season begins.
• Why Vallejo-specific: low-lying areas and clay-rich soils common in parts of Vallejo worsen drainage and field saturation during winter months.

Clay soils and poor percolation

Many Vallejo soils are clay-heavy, which drains slowly. A leach field in clay can become overwhelmed quickly, even if the tank is pumped on schedule. When percolation is poor, solids and effluent sit longer in the system, accelerating failure and odors.

• Consequences: reduced NSF (net soil filtration) performance, quicker sludge buildup, more frequent back-ups.
• Practical steps:
  • Get a professional soil evaluation if your system is failing sooner than expected.
  • Limit heavy irrigation and avoid planting trees or shrubs with aggressive roots directly over the drain field.
  • Maintain a regular pumping schedule based on the tank size and household water use.
• Vallejo tip: if your property sits on clay, discuss leach-field alternatives or trench designs with your installer.

Flooding and stormwater intrusion

Heavy rains and surface runoff can overwhelm or infiltrate the system, especially when drainage around the yard is poor or the field is shallow.

• Key indicators: sudden backups after rain, effluent in yard or near cleanouts, persistent damp areas on the field.
• Preventive actions:
  • Channel roof and gutter runoff away from the drain field.
  • Keep vehicles and heavy equipment off the field to avoid compaction.
  • Ensure proper grading and surface drainage around the system.
• Vallejo note: rainfall patterns and drainage in some neighborhoods elevate the risk of stormwater entering the system.

Tree roots and landscaping near the drain field

In Vallejo, trees and shrubs planted too close to the drain field can invade the lines or compact the soil, reducing absorption capacity.

• What to monitor: visible roots near the trenches, cracked or broken pipes, slow drainage.
• Management steps:
  • Plant spacing: keep root zones well away from the drain field.
  • Regular inspections to detect root intrusion early.
  • If roots are found, consult a licensed professional about trench or field repairs rather than attempting DIY root cutting near critical components.

Sludge and scum buildup from infrequent pumping

Solids accumulate in the septic tank over time. Inadequate pumping intervals lead to solids entering the leach field, reducing efficiency and causing backups.

• Red flags: frequent backups, toilets that take longer to flush, sludge on tank baffles.
• Action plan:
  • Pump on a schedule recommended by a septic pro, tailored to tank size, household usage, and water conservation habits.
  • Avoid flushing non-biodegradables, solvents, or excessive diapers and wipes that can disturb the sludge blanket.
• Vallejo context: drought-driven conservation or high-efficiency fixtures can alter typical pumping intervals; discuss a customized plan with a local pro.

Grease, fats, and oils (FOG) overload

Kitchen waste and garbage disposals can overload the tank with fats and solids. In Vallejo homes with older pipes, FOG can also contribute to blockages in the septic system and sewer lines.

• Best practices: use a sink strainer, dispose of cooking fats in the trash, and minimize disposal of grease-laden foods.
• Quick fixes: if you notice gurgling or backups after cooking or heavy use, call a pro to assess tank and baffles.

Improper design, aging components, and code compliance

Older Vallejo homes may have septic systems designed for smaller households or with outdated layouts. Aging components (tanks, lids, baffles, or pipes) can corrode or crack, leading to leakage or failure.

• What to do: have a licensed septic contractor evaluate system integrity, confirm baffles are intact, and plan for replacement or upgrades as needed.
• Local nuance: California and Solano County require proper permitting and inspections for OWTS (Onsite Wastewater Treatment Systems) during installation, sale, or major modification.

Official resources:

• Solano County Environmental Health – Septic Systems:
• U.S. Environmental Protection Agency – Septic Systems:
• California Water Boards / State Water Resources:

Septic Inspection, Permits & Local Oversight

Permits you need in Vallejo

• OWTS permits: Solano County Environmental Health typically issues permits for installation, expansion, modification, repair, or abandonment of onsite wastewater treatment systems (septic systems). The permit ensures the system is designed and installed to meet local conditions and state requirements.
• Building permits and coordination: In many cases, a building permit process through the City of Vallejo may need to align with the OWTS permit. Expect interdepartmental coordination between the city's building/planning divisions and the county's environmental health program.
• Transfer and disclosure: When a property changes hands, a septic system evaluation or disclosure may be requested or required by lenders or local oversight to confirm the system's condition. Check with your lender and the Solano County Environmental Health office to confirm requirements.

When inspections are required

• Before installation or replacement: An approved plan and permit are required prior to any excavation or installation work.
• During installation: Inspections are typically staged (soil/site evaluation, trenching or drainfield work, tank installation, backfill) to verify conformity with the permit and code.
• After completion: A final inspection ensures the system is properly installed, tested, and ready for operation.
• Abandonment or decommissioning: If a system is being decommissioned, an inspection confirms proper removal or sealing of tanks and related components.

The permit process in steps

1. Contact the appropriate agency: Solano County Environmental Health for OWTS permits, and your local Vallejo building division for related construction permits.
2. Submit a site plan: Include lot layout, tank locations, drainfield layout, and distances to wells, structures, and property lines.
3. Soil and site evaluation: A qualified designer or engineer may perform or witness per local requirements.
4. Plan review and fees: Plans are reviewed for code compliance; fees are assessed at submission.
5. Permit issuance: Once reviewed and approved, permits are issued for construction and for the OWTS work.
6. Scheduling inspections: Plan for multiple inspection visits during installation.
7. Installation and inspections: Complete work as inspected; address any deficiencies found by the inspector.
8. Final approval and permit closure: Final inspection passes and permits are closed so the system is officially approved for use.

What to expect at the inspection

• Access and readiness: Have the site accessible, with tanks and drainfield areas uncovered as required, and any access lids ready for inspection.
• Documentation review: Inspectors will verify permit numbers, design specs, and as-built components match the approved plan.
• Typical findings: Proper tank placement, correct baffle and riser configuration, correct backfill, correct drainfield trenches, and appropriate setbacks from wells and foundations. Any deviations will require corrective actions and re-inspection.

Documentation and readiness

• Site plan and as-built drawings showing tank locations and drainfield layout.
• Permits and plan approvals (OC or county issued) and any correspondence from the county or city.
• Manufacturer specifications for tanks, risers, lids, pumps, and related components.
• Prior inspection records if you're updating or repairing an existing system.
• Contact information for the licensed designer, installer, or engineer overseeing the project.

Local oversight resources

• California Department of Public Health – Onsite Wastewater Treatment Systems (OWTS) program:
• Solano County Environmental Health – OWTS information (office handles permits and inspections for many Vallejo-area systems):
• City of Vallejo – Permits and building inspections (for coordination with OWTS work): https://www.cityofvallejo.net/

Quick tips for Vallejo homeowners

• Start early: Call the county environmental health office before purchasing permits to understand local requirements and timelines.
• Hire qualified professionals: Use licensed designers/contractors familiar with Solano County and California OWTS codes.
• Plan for inspections: Schedule inspections in advance and have everything accessible to avoid delays.
• Keep records: Maintain copies of plans, approvals, permits, and inspection reports for future property transactions.

Septic Maintenance for Homes in Vallejo

Vallejo soil and climate considerations

Vallejo's mix of clay-heavy soils in many neighborhoods and winter rainfall can influence how your septic system performs. Clay soils slow infiltration, so the drainfield may saturate more easily after heavy rains. In some Vallejo lots, groundwater rises in the wet season, reducing effective separation distances and increasing the risk of backups. Proximity to slopes and bedrock can also affect drainage and installation depth. Planting choices and foot traffic over the drainfield matter here more than you might think.

• Avoid parking or heavy equipment on the drainfield area.
• Keep deep-rooted trees and shrubs away from the drainfield to prevent root intrusion.
• Limit irrigation directly over the drainfield; use rainfall rather than supplemental watering when possible.

Regular inspections and pumping schedule for Vallejo homes

A proactive plan helps you avoid surprises during Vallejo's wetter months.

• Typical pumping interval: every 3–5 years for a standard household with average wastewater flow. If you have a garbage disposal, large family, or high groundwater, you may need more frequent pumping.
• Annual or biennial professional inspection: even if you're not due for pumping, an inspection helps catch issues before they become costly.
• Keep organized records: note pump dates, system type, hydraulic capacity, and any repairs.

Steps to set up a plan:

1. Locate and document your system type and layout (tank size, number of chambers, drainfield area). If you don't have drawings, have a licensed pro help identify the components.
2. Schedule a licensed septic professional for inspection and, if needed, pumping.
3. Review maintenance recommendations with the pro and set reminders for the next service window.
4. Retain service receipts and system diagrams for future inspections or permitting.

Water use and chemical disposal

Vallejo homeowners can help their septic by moderating loads and avoiding harsh chemicals that disrupt beneficial bacteria in the tank.

• Spread out large water uses (do multiple loads of laundry on separate days rather than back-to-back).
• Use high-efficiency fixtures and appliances; repair leaks promptly.
• Refrain from dumping solvents, paints, pesticides, antifreeze, or kitchen strippers down drains.
• Use septic-safe products and cleaners; rinse small amounts of cleaners down the drain when possible.

Drainfield protection and landscaping

The drainfield is the life of the system; protect it with thoughtful landscaping and activity.

• Plant only shallow-rooted vegetation over or near the drainfield; avoid trees with aggressive roots nearby.
• Do not install a sprinkler system directly over the drainfield unless designed for OWTS compatibility.
• Fence or clearly mark the drainfield area to prevent accidental compaction or digging.

Seasonal considerations and backups

Vallejo's wet season can stress systems that are near capacity.

• Watch for slow drains, gurgling sounds, or toilets that back up during or after heavy rains.
• Keep a small buffer of vegetation-free soil over the drainfield to monitor moisture; saturated turf can indicate issues.
• If you notice damp patches or strong odors around the system, contact a licensed pro promptly.

DIY checks and safety

• Visually inspect the area around the tank access lids for signs of leakage or unusual wetness.
• Do not attempt to open or pump the tank yourself unless you are trained and licensed.
• Record any maintenance activities and any unusual drainage behavior to share with your septic professional.

Hiring a pro: what to look for in Vallejo

• Verify licensure and insurance; confirm experience with OWTS in CA.
• Ask for a written assessment of current system health and a pumping estimate if needed.
• Ensure they follow California OWTS guidelines and provide clear, itemized quotes.

Official resources

• California Department of Public Health – Onsite Wastewater Treatment Systems:
• California State Water Resources Control Board – Onsite Wastewater Treatment Systems:

Cost Expectations for Septic Services in Vallejo

Pumping and Cleaning

• What it includes: removal of accumulated solids from the septic tank, disposal at a licensed facility, inspection of tank components (baffles, pumpschambers, lids), and basic cleanup. In Vallejo, many homes have 1,000–1,500 gallon tanks; accessibility and tank design can affect price.
• Vallejo-specific notes: clay soils and seasonal groundwater can influence how often pumping is needed and how easily the tank is accessed. Waste haulers must use licensed disposal facilities, which can influence total cost.
• Typical cost in Vallejo: roughly $350–$700 for a standard 1,000–1,250 gallon tank; $450–$900 for a 1,500 gallon tank or two-compartment tanks.
• Steps to prepare for service:
  1. Clear access to the lid and provide a clear path around the tank.
  2. Remove vehicles and keep children and pets away during service.
  3. Confirm any irrigation or sewer lateral work won't be scheduled simultaneously.
  4. Have recent maintenance records available for reference.
• Official resources: Solano County Environmental Health septic pages: EPA septic information: Solano County Environmental Health:

Drain Field Repair and Replacement (Leach Field)

• What it includes: evaluation of drain field failure causes, excavation, soil replacement or trench repair, installation of proper import soil or replacement gravel, and final field testing; in Vallejo, soil conditions and historical water tables impact repair approaches.
• Vallejo-specific notes: clay soils and proximity to waterways can complicate drainage; root intrusion from landscape plants is a common contributor to field failure in residential properties.
• Typical cost in Vallejo: repairs often range from $2,000–$10,000, with full drain field replacement frequently $8,000–$25,000+ depending on size and soil conditions.
• Steps to prepare for service:
  1. Obtain past service records and dye-test results if available.
  2. Plan for potential excavation access and neighbor notification if needed.
  3. Expect a temporary drainage impact during repair.
• Official resources: EPA on-site wastewater:

Tank Access Upgrades, Risers, Lids, and Related Repairs

• What it includes: installation of risers and secure, code-compliant lids to improve access, reduce future excavation needs, and improve safety; minor crack sealing or lid replacement as needed.
• Vallejo-specific notes: risers are particularly helpful in older Vallejo homes where landscaping or hardscapes cover tank lids; proper installation helps with future pump-outs and inspections.
• Typical cost in Vallejo: $250–$900 depending on material and access requirements; higher when replacing or modifying existing lids.
• Steps to prepare for service:
  1. Identify the best access point for risers with your tech.
  2. Ensure correct venting and clearance for lids.
  3. Schedule around upcoming inspections or real estate activities if applicable.
• Official resources: EPA septic information: https://www.epa.gov/septic; Solano County Environmental Health: https://www.solanocounty.com/depts/eh/environmental_health/septic_systems.asp

Septic System Installation, Replacement, or Septic-to-Sewer Connections

• What it includes: site assessment, design, permit coordination, installation of a new septic system or conversion to public sewer, and final system testing; in Vallejo, some neighborhoods offer sewer connections that can negate ongoing septic upkeep.
• Vallejo-specific notes: connecting to municipal sewer can be a cost-effective long-term option; CA permitting and local Solano County oversight govern all installations and conversions.
• Typical cost in Vallejo: new septic system installation commonly $10,000–$25,000+ (conventional 1,000–1,500 gallon tank with drain field); sewer connections often $5,000–$20,000 depending on distance to the main and trench work.
• Steps to prepare for service:
  1. Confirm permit requirements with Solano County Environmental Health.
  2. Obtain site evaluation and preliminary design from licensed contractors.
  3. Plan for setbacks, setbacks, and potential landscaping changes.
• Official resources: Solano County Environmental Health: https://www.solanocounty.com/depts/eh/environmental_health/septic_systems.asp;'>https://www.solanocounty.com/depts/eh/environmental_health/septic_systems.asp; EPA septic information: https://www.epa.gov/septic