Septic in Roseburg, OR

Here in Roseburg, where the Umpqua Valley hills meet pine-studded streets and a strong sense of neighborly practicality, a septic system is a familiar part of many homes. It's the dependable, low-maintenance setup that keeps kitchens draining, showers running, and lawns lush without drawing attention—until something needs attention.

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

Yes. Septic is a common solution for many Roseburg properties, especially on parcels outside the city sewer boundaries and in older neighborhoods where extending sewer lines isn't practical. If your home sits inside a municipal sewer district, you may be on city sewer and won't have a septic system. When you're buying a Roseburg home, ask about the septic system's history: the original installation date, pump schedule, any past repairs, and whether there are current inspection records. If there isn't enough information, a professional septic evaluation is a wise step as part of your due diligence.

Why homes typically use septic systems in Roseburg

• Rural and semi-rural land: Many Roseburg properties spread out enough that centralized sewer service isn't economical or available, making on-site treatment the simplest option.
• Historic development patterns: A lot of homes here were built before sewer lines reached every neighborhood, so septic became the practical standard.
• Cost and practicality: Extending sewer mains to dispersed lots can be expensive, slow, or invasive; septic offers a cost-effective, on-site alternative.
• Soil and environment: Roseburg's varied soils and groundwater considerations favor well-designed on-site systems when properly planned and maintained, helping protect the underlying water and turf.

High-level explanation (why septic exists here)

On Roseburg properties, wastewater is treated locally rather than sent off to a distant treatment plant. A typical system uses a buried tank to separate solids from liquids and a drain field where the liquid can safely percolate into the soil. When the system is properly sized for the site and kept up with routine care, it provides excellent service while protecting groundwater and the local landscape. Sites with challenging soils or limited space can still work with alternatives like mound or advanced treatment designs, but all septic systems share a simple principle: treat and disperse wastewater on-site in a way that fits the land and climate.

In the sections that follow, you'll find practical guidance on maintenance, what to watch for when buying a home with a septic, and how to work with a local Roseburg pro who knows our soils, our weather, and our community.

Where Septic Systems Are Common in Roseburg

Areas around Roseburg with high septic use

• Rural and unincorporated zones surrounding the city limits are where septic systems are most common. These parcels are often outside the municipal sewer service area and rely on individual systems for wastewater treatment.
• Outer suburbs and hillside neighborhoods, where gravity-fed sewer lines are impractical or too costly to extend.
• Agricultural land and forested tracts adjacent to Roseburg, where home sites were established before broad sewer expansion.
• In these areas, lots tend to be larger than in denser city cores, which makes septic a practical solution for wastewater disposal.

Why septic is common in Roseburg

• Sewer service boundaries: The City of Roseburg provides centralized sewer where available, but many outlying properties sit beyond the sewer district or on terrain that makes extending pipes economically challenging.
• Terrain and soil conditions: Rolling hills, mixed soil types, and variable groundwater can limit sewer line feasibility and favor on-site treatment systems.
• Historic development patterns: Older rural subdivisions and farms were laid out before extensive sewer networks existed, so septic systems became the standard method for handling wastewater.
• Environmental considerations: Properly sited septic systems are chosen to minimize groundwater impacts in areas where septic drain fields can safely infiltrate effluent.

Typical lot sizes and system types in Roseburg

• Parcel sizes: Expect a wide mix, but many septic-using properties sit on parcels ranging from about 0.5 to several acres, especially outside the city center.
• Conventional gravity systems: Still common on well-drained soils with adequate depth to groundwater.
• Alternative and engineered systems: In areas with shallow bedrock, high water tables, poor soils, or limited space for a drainfield, mound systems or other engineered solutions may be required.
• Maintenance reality: Regular pumping and inspection are important for all septic systems, particularly on marginal soils or in areas with heavy seasonal use.

How to verify sewer availability and local regulations

1. Check with the City of Roseburg and Douglas County about current sewer service status for your property to determine if septic is required or if a connection option exists. Official resources:
2. City of Roseburg — Public Works / Sewer information:
3. Oregon Health Authority and related guidance (onsite wastewater health and safety):
4. If sewer lines become available in your area, plan with a professional for a timely and cost-effective connection strategy and any needed site work.
5. Soil and site considerations you'll encounter: talk with a licensed site evaluator about soil perc tests, groundwater depth, and seasonal water tables to determine the most reliable septic design for Roseburg-area properties. Official guidance from state authorities can help you understand testing standards and permitted system types.

Septic vs Sewer: What Homeowners in Roseburg Should Know

How to tell if your home uses septic or sewer

• Check your utility bills. If you're billed for sewer by the City of Roseburg (or your county), you likely have a city sewer connection. If there's only a water bill and a separate septic-related line item, you may have a private system.
• Look for a septic tank access lid or a yard drain field. A private septic system sits on your property and requires regular pumping; city sewer homes don't have an in-yard septic tank.
• Ask your neighbor, HOA, or the Roseburg Public Works department. They can confirm whether your street or neighborhood is served by a municipal sewer system.
• If in doubt, hire a licensed septic contractor or plumber to verify. A simple tank inspection can confirm what you have.

How septic systems work vs sewer systems

• Septic system (on-site): Wastewater goes from your home into an underground tank. Solids settle, fats float, and clarified liquid leaches into a drain field. Regular pumping and routine maintenance are essential to prevent failures.
• City sewer system: Household wastewater is conveyed through pipes to a municipal treatment facility. You pay a sewer utility rate, and the city handles treatment, maintenance, and ultimate disposal.

Pros and cons for Roseburg homeowners

• Septic systems
  • Pros: Potentially lower monthly costs once installed; independence from city sewer rate changes; utility service stays on if city power is out (pumping still requires power).
  • Cons: Ongoing maintenance, periodic pumping, potential costly repairs if neglected; failure can impact your yard and groundwater.
• City sewer
  • Pros: No in-yard tank pumping or maintenance; predictable monthly fees; city handles maintenance and wastewater treatment.
  • Cons: Ongoing sewer charges that can rise over time; connection or connection-closure requirements if you relocate; less control over system issues on private property.

Maintenance basics you should know

• Pumping frequency: Most septic systems in Roseburg benefit from a professional pump every 3–5 years, depending on household size, usage, and tank size.
• Waste habits: Use water efficiently; avoid flushing wipes, grease, paints, solvents, or chemicals that disrupt the system and groundwater.
• Inspections: Have the system inspected when you notice signs of trouble (gurgling, backups, soggy drain field) or when selling the home.
• Landscaping: Keep heavy equipment off the drain field; don't plant trees or shrubs that may damage the system with roots.

Step-by-step quick guide for homeowners

1. Confirm your service type with Roseburg Public Works or your property records.
2. Schedule a professional septic inspection if you're unsure or when buying/selling.
3. If septic, arrange a pumping and tank inspection, and address any repairs noted by the pro.
4. Maintain a simple system plan: label critical lines, keep a maintenance calendar, and use water-saving fixtures to extend life.

Regulatory and official resources

• Oregon Department of Environmental Quality (DEQ) Onsite Wastewater Program:
• U.S. Environmental Protection Agency – Septic Systems:

Note: For city-specific sewer service details, you can explore Roseburg's official municipal resources. If you need direct links to Roseburg Public Works pages regarding sewer connections, the city's site at https://www.cityofroseburg.org/ is a good starting point.

Typical Septic System Types in Roseburg

Conventional septic systems (gravity drainfield)

• How it works: A septic tank settles solids; clarified liquid exits via gravity into a buried drainfield with perforated pipes placed in coarse soil. The soil treats and distributes effluent gradually.
• Typical components: Septic tank, distribution box, perforated pipes, gravel, and a soil absorption area.
• Pros: Simple, cost-effective, reliable when soils are reasonably well drained.
• Cons: Requires adequate, well-drained soil; performance drops in shallow bedrock, high water tables, or dense clay.
• When you'll see it in Roseburg: Still the most common design on many older and newer lots with soils that drain well enough.

Mound systems

• What it is: A raised "mound" of sandy soil built above the natural soil to provide a treatment and disposal area when native soil has limited infiltration or shallow depth to groundwater.
• How it helps: Improves effluent distribution and treatment where depth to bedrock or groundwater is tight, or where sites have high clay content.
• Pros: Enables septic function in challenging soils.
• Cons: Higher upfront cost, more maintenance considerations, needs space for the raised bed.
• Site considerations: Often selected in Roseburg-area properties with shallow soils or perched water tables.

Aerobic Treatment Units (ATU)

• What it is: A pretreatment system that adds aeration and microbial activity to aggressively treat wastewater before it reaches the drainfield.
• How it helps: Produces higher-quality effluent, which can allow for smaller or alternative drainfields and can improve performance in marginal soils.
• Pros: Better effluent quality, more design flexibility in difficult soils.
• Cons: Requires electricity, routine maintenance, and annual service by a licensed operator.
• When used: Useful on properties with limited soil treatment capacity or where conventional drainfields aren't feasible.

Pressure distribution systems

• What it is: A pumped distribution system that evenly distributes effluent across a larger drainfield area, reducing overload on any single section.
• How it helps: Works well in soils with variable absorption or gradually permeable layers.
• Pros: More uniform effluent absorption, can expand usable drainfield area.
• Cons: More components to maintain (pump, control panels, air/vacuum relief), higher installation cost.
• Site fit: Often selected when soil heterogeneity would cause uneven loading in a gravity system.

Sand filter and other treatment options

• What it is: A secondary treatment step or alternative disposal method using a sand or engineered media filter to further treat effluent before it reaches the soil.
• How it helps: Improves treatment where the drainfield alone isn't sufficient due to soil limitations.
• Pros: Higher treatment performance, useful in challenging sites.
• Cons: Higher cost and ongoing maintenance requirements.
• Availability: More common in areas with strict performance expectations or limited soil absorption capacity.

How Roseburg soils influence design (quick guidance)

• Look for: Depth to groundwater, soil texture (sand, loam, clay), and bedrock depth.
• Impact: Soil characteristics drive whether you can use a conventional gravity drainfield or need an alternative like a mound, ATU, or pressure distribution system.
• Next step: Have a local site evaluation conducted by a licensed septic designer or the local health department to determine feasible options.

How to decide which type is right for your lot

1. Get a professional soil and site assessment for your Roseburg property.
2. Check local regulations and permitting requirements for onsite wastewater systems.
3. Compare installation and long-term maintenance costs across feasible options.
4. Review maintenance needs and access to qualified service providers in your area.
5. Confirm planned system design with the local health department before permitting.

For official guidance on onsite wastewater systems in Oregon, see:

• Oregon Department of Environmental Quality (DEQ) Onsite Wastewater Program:
• EPA Septic Systems: https://www.epa.gov/septic

If you're seeking homeowner-focused information, Oregon State University Extension also offers practical resources on septic systems.

Common Septic Issues in Roseburg

Groundwater and seasonal high water table

Roseburg's wet winters and the Umpqua Valley's sometimes shallow groundwater can push effluent toward the surface, especially in older systems or poorly drained soils. When the drain field sits in saturated soil, treatments slow or fail, leading to backups, odors, and soggy patches over the drain area.

Symptoms

• Gurgling toilets, slow drains, or backups after a rainfall
• Soggy, discolored patches or standing water over or near the drain field
• Sewage odors around the septic area, even after pumping

What to do

1. Schedule a professional septic inspection to evaluate tank condition, distribution, and drain-field health.
2. Pump on a more frequent schedule and reduce overall water use, especially during wet months.
3. Avoid irrigation or sprinkler use over the drain field; consider upgrading to a drainage-aware landscape.
4. If problems persist, discuss alternatives such as a raised bed, sand filter, or mound system with a licensed contractor or local health department.

Learn more: official guidance on onsite systems from the Oregon DEQ and general septic information from EPA: and https://www.epa.gov/septic

Clay soils and slow percolation

Soil type matters, and Roseburg-area soils can be clay-heavy in places, causing slow percolation and poor drainage in the leach field. When infiltration is too slow, effluent can back up, pool, or fail to treat properly.

Symptoms

• Water pooling or damp areas over the drain field for long periods
• Extended drain times or frequent backups, even with a recently pumped tank
• Foul odors near the septic area after heavy use

What to do

1. Have a soil and percolation assessment done by a licensed professional.
2. If soils are limiting, consider engineered leach-field options (e.g., pressure-dosed systems, sand/gradated media, or a mound) designed for clay soils.
3. Maintain the tank and fittings with an effluent filter and regular pumping to protect the field.
4. Plan for long-term maintenance with a septic pro who understands local soil conditions.

Learn more: Oregon DEQ onsite guidance and EPA septic basics: https://www.oregon.gov/deq/wq/programs/onsite/Pages/index.aspx and https://www.epa.gov/septic

Tree roots and landscape pressure

Roseburg properties often have mature trees near the house and drain field. Aggressive roots can invade pipes, reduce drainage, and crack components, especially if the field is old or under stress from moisture fluctuations.

Symptoms

• Slow drains or repeated backups, especially after a windstorm or heavy rain
• Cracked or misaligned pipes or manhole covers near the field
• Sudden changes in drain performance after landscape work

What to do

1. Have a professional assess root intrusion and identify damaged lines.
2. Install root barriers or relocate affected portions of the system if needed.
3. Reposition or re-seed landscape away from the drain field to minimize root encroachment.
4. Schedule regular inspections to catch intrusion before major damage.

Learn more: DEQ onsite systems page and EPA septic care tips: https://www.oregon.gov/deq/wq/programs/onsite/Pages/index.aspx and https://www.epa.gov/septic

Proximity to wells and water safety

Many Roseburg-area homes rely on wells. Septic systems too close to drinking water wells can risk contamination, so proper setbacks and maintenance are essential. Local geology, groundwater flow, and well depth all influence risk.

Symptoms

• Water testing showing nitrate or bacterial indicators (usually from a separate health pipeline, not a direct symptom you can feel at home)
• Unusual odors or damp areas near the wellhead or septic area
• Notices from local health departments during property transfers

What to do

1. Verify setbacks with the local health department and applicable state rules before building, expanding, or relocating a system.
2. Test well water regularly and after septic work; address any contamination promptly.
3. When in doubt, consult a septic professional about upgrading or relocating the system for proper separation.

Learn more: Oregon DEQ onsite systems resources and EPA well-water basics: https://www.oregon.gov/deq/wq/programs/onsite/Pages/index.aspx and https://www.epa.gov/septic

Aging systems and maintenance gaps

Older systems in Roseburg may have reached or surpassed their expected lifespan. Without routine maintenance, even properly installed systems can decline, particularly in areas with variable moisture and soil conditions.

Symptoms

• Frequent backups, slow drains, or recurring odors
• Pumping needs increasing beyond a typical cycle
• Visible cracks at tank seams or around the lid area

What to do

1. Schedule a full system evaluation with a licensed septic professional.
2. Create and follow a pumping and inspection schedule (every 3–5 years is common, depending on usage).
3. Redirect heavy water use and prevent improper items from entering the system.
4. If the system is near the end of its life, plan a replacement or retrofit with a contractor who understands local soil and climate conditions.

Learn more: DEQ onsite resources and EPA septic maintenance tips: https://www.oregon.gov/deq/wq/programs/onsite/Pages/index.aspx and https://www.epa.gov/septic

Grease, chemicals, and improper use

Household habits can clog or kill beneficial bacteria, reducing treatment efficiency and shortening drain-field life.

Symptoms

• Frequent clogs, slow sinks, or persistent odors
• Fats, oils, and greases appear in the tank or near the drain field
• Non-septic items in the tank (wipes, chemicals) disrupt biological treatment

What to do

1. Do not pour fats, oils, or harsh chemicals down drains.
2. Use septic-safe products and only flush toilet paper.
3. Have a professional check for scum and sludge layers and adjust pumping if needed.
4. Educate all household members about proper septic use.

Learn more: EPA septic care basics and DEQ onsite guidance: https://www.epa.gov/septic and https://www.oregon.gov/deq/wq/programs/onsite/Pages/index.aspx

Septic Inspection, Permits & Local Oversight

Oversight in Roseburg, OR

• In Oregon, on-site septic systems are regulated at the state and local level. The Oregon Department of Environmental Quality (DEQ) provides the state rules and oversight for septic systems, while your county health department handles local permits, plan reviews, and inspections.
• Roseburg-area homes typically fall under Douglas County Environmental Health for septic permits and inspections. The county coordinates system design approvals, installation inspections, and final sign-offs. The City. of Roseburg may require a building or related permit for construction, but septic system work is often managed through the county.
• Always verify current requirements with your local health department before starting work. Official resources:
  • Oregon DEQ: On-Site Sewage Disposal Systems overview
  • Douglas County Environmental Health (county-level oversight)

When you'll need an inspection

• New septic system installation or a complete replacement
• Major repairs or replacements of tanks, leach fields, or pressurized distribution systems
• Property transfers where the septic system may be implicated in disclosures
• Substantial system alterations or changes in use (e.g., adding bedrooms that change loading, gutting a bathroom, etc.)
• Routine pumping or maintenance does not automatically require an inspection, but any accompanying work (e.g., excavation or tank replacement) will trigger verification with the county

Permits and approvals you may encounter

• On-site Wastewater System Permit (installation and plan review)
• Permit amendments for changes to design, location, or size
• Final inspection approval and permit closure after installation
• If you're in a sewer service area, your project may require different permits or connections to the public system
• Fees vary by municipality and project scope; expect costs for plan review, drilling/logging, and final inspections

How the permitting and inspection process works

1. Confirm jurisdiction and service availability
   • Check with Douglas County Environmental Health to confirm you're in the right permit zone and whether sewer service exists or a septic system is required.
2. Engage qualified professionals
   • Hire a licensed septic designer/installer familiar with Oregon and Douglas County requirements.
3. Prepare and submit plans
   • Submit site plan, soil information, leach-field layout, proposed tank details, and any required soil evaluation data for county review.
4. Plan review and approval
   • The county reviews for code compliance, setback requirements, and system feasibility. Expect a back-and-forth on soil logs, perc tests, and design details.
5. Installation and inspections
   • Schedule installation with a licensed contractor. A county inspector will verify components, installation practices, and setbacks during and after installation.
6. Final approval and compliance
   • Obtain final sign-off from the county; keep permit records for property disclosures and future maintenance.

What to have ready for the county

• Property address and parcel/lot number
• Detailed site plan showing tank locations, leach field, wells, buildings, driveways, and utility lines
• Soil data and perc test results or a stamped soil evaluation
• Designer and contractor contact information, licenses, and certifications
• Copies of all submitted plans and any amendments
• Documentation of prior maintenance or repairs, if applicable

Practical tips for Roseburg homeowners

• Start by calling Douglas County Environmental Health early to understand the specific submittal requirements and timelines.
• Keep digital copies of plans, permits, inspection reports, and receipts in a single project folder.
• If buying or selling a home, ensure any septic disclosures align with county records and DEQ guidance.
• Schedule inspections promptly after installation and before backfilling; failed inspections can add time and cost.

Helpful resources

• Oregon DEQ – On-Site Sewage Disposal Systems:
• Douglas County Environmental Health (county oversight for septic permits/inspections):
• For broader septic education and maintenance guidance, consider Oregon State University Extension resources (official university guidance).

Septic Maintenance for Homes in Roseburg

Local climate and soil realities in Roseburg

Roseburg sits in the Umpqua Valley and experiences wet winters with seasonal groundwater fluctuations. That combination means drainfields in some Roseburg neighborhoods are more prone to saturation during winter and spring melts. Soils vary from loam to clay in and around town, which affects how quickly effluent infiltrates. Tree roots are a common challenge near Roseburg properties, as mature oaks, maples, and conifers can reach and invade drainfields if left unchecked. Understanding Roseburg's moisture and soil patterns helps you protect your system year-round.

Routine maintenance schedule

• Most Roseburg homes benefit from pumping every 2–3 years. Older systems or larger households may need more frequent service.
• Have a licensed septic professional inspect your tank, baffles, and lid condition whenever you pump.
• Keep a simple maintenance log: date of pumping, tank size, and any observed issues.

Steps to coordinate pump-and-inspection

1. Locate the septic tank access: confirm the lid is accessible and label its location on a property map.
2. Schedule pumping with a licensed contractor familiar with local soils and groundwater considerations.
3. Ask the inspector to check: tank integrity, baffles, sludge depth, scum layer, and the condition of the distribution box and any siphon or pump chambers if present.
4. Record findings and follow the pro's recommendations for repairs or upgrades.

Drainfield protection and Roseburg landscaping

• Driveways, heavy equipment, and landscaping should not encroach on the drainfield area. Compaction and heavy loads can harm absorption.
• Keep shallow-rooted plants and trees at a safe distance (often at least 10–20 feet, depending on root systems). In Roseburg, many homes have mature trees nearby; plan plantings away from the absorption area.
• Maintain 12–24 inches of clean soil cover over the drainfield and avoid importing heavy soils that compact easily.
• Use drought-tolerant landscaping and avoid piping or trenching directly over the drainfield.

Water-use and household practices

• Spread out laundry and use high-efficiency appliances to reduce peak inflow to the tank.
• Fix leaks promptly; a single running toilet or faucet can dump thousands of gallons per year into the system.
• Only septic-safe products go down the drain. Avoid solvents, oils, paints, and non-biodegradable cleaners. Minimize the use of garbage disposals.
• If you have a septic tank effluent pump (STEP) or grinder pump, follow the manufacturer's maintenance guidelines and ensure power reliability.

Seasonal considerations for Roseburg homes

• Winter: prevent drainfield saturation by reducing unnecessary water use during wet periods; address any plumbing leaks promptly.
• Spring: monitor for surface damp spots or sewer odors after heavy rains; these can indicate a compromised drainfield or rising water table.
• Summer: conserve water when outdoor irrigation is heavy; overstressed drainfields heal more slowly in heat.

Troubleshooting and signs you need service

• Slow drains, gurgling sounds, and sewage odors around the house.
• Pooling water or lush, unusually green patches over or near the drainfield.
• Backups in toilets or sinks, especially after heavy use.
• If you notice any of these, schedule a professional inspection promptly.

What to ask a septic pro in Roseburg

• Do you have current state (Oregon DEQ) and local licenses? Are you insured and bonded?
• Can you provide references from Roseburg-area jobs with similar soils?
• Will you perform both pumping and a tank inspection in one visit? Do you offer a written maintenance plan?
• Do you test the drainfield during service and recommend any upgrades or pump tank changes?
• How do you handle backflow or emergency service?

Official resources

• [Oregon DEQ - Onsite Wastewater Program](
• [Douglas County, Oregon - Onsite Wastewater / Public Works](

Cost Expectations for Septic Services in Roseburg

Septic Tank Pumping

• What it includes: removing sludge and liquids from the tank, cleaning the invert baffles if accessible, inspecting tank conditions, and checking lids and risers for accessibility.
• Roseburg-specific notes: older Roseburg homes often have concrete or steel tanks with smaller access points; driveways and landscaping can affect access and may add a small access-augmentation fee.
• Typical cost in Roseburg: $350–$600 per pumping visit, with extra charges for tanks larger than 1,000 gallons, difficult access, or multiple tanks in a single service.
• Official resources: Oregon DEQ Onsite Wastewater Program (general guidance and permitting):

Septic System Inspections and Maintenance Checks

• What it includes: visual inspection of tanks, lids, and effluent filters; record of pumping history; basic field evaluation; recommendations for maintenance intervals.
• Roseburg-specific notes: local inspectors familiar with Douglas County soils and groundwater conditions can help tailor maintenance timelines; some properties may require a formal engineer-approved inspection for real estate transactions.
• Typical cost in Roseburg: $200–$450 for standard inspections; comprehensive evaluations with reports or more extensive field checks can run $500–$850.
• Official resources: Oregon DEQ Onsite Wastewater Program and county health guidance:

Drain Field Repair and Replacement

• What it includes: diagnostics to confirm drain-field failure (soil tests, moisture readings, dye tests); field rehab or replacement, which may include trench rebuilding, lateral line repair, or alternative systems.
• Roseburg-specific notes: clay soils or shallow bedrock in parts of the area can complicate drain-field work and influence the cost and type of replacement (possible mound or alternative systems).
• Typical cost in Roseburg: $3,000–$15,000 for repairs; $10,000–$35,000+ for full drain-field replacement or converting to an alternative system.
• Official resources: DEQ onsite wastewater guidance for field components (permitting and design considerations):

Permitting, Inspections, and Local Regulations

• What it includes: applying for new installations, system replacements, or major repairs; scheduling required county inspections; ownership disclosures post-transaction.
• Roseburg-specific notes: Douglas County Environmental Health administers many local inspections; permit timing and fees vary by project scope.
• Typical cost in Roseburg: permit and inspection fees often range from $500–$2,000 total, depending on system type, size, and number of inspections.
• Official resources: Douglas County Environmental Health and Oregon DEQ onsite guidance: https://www.co.douglas.or.us/Health/EnvironmentalHealth/; https://www.oregon.gov/deq/HazMat/OnsiteWastewater/Pages/index.aspx