Septic in Purcellville, VA

Last updated: Mar 21, 2026

Purcellville blends small-town charm with hillside scenery, and in many neighborhoods you'll hear a cheerful chorus of lawn sprinkler pumps and weekend projects rather than the buzz of main sewer lines. That typical Purcellville setup means a lot of homes rely on septic systems to manage wastewater, designed to fit the yards, soils, and zoning that shape our town.

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

  • Yes. In Purcellville, septic systems are a common and practical part of everyday living. If your home isn't connected to a municipal sewer line, or if you're buying in a rural or semi-rural area, you should plan for a septic system.
  • Some newer developments closer to town or on public sewer corridors may be connected to a municipal system, but the majority of existing homes in and around Purcellville rely on on-site septic. Always verify the status for a specific property with the seller, the HOA if applicable, and Loudoun County Health Department records.
  • Quick checks you can do now: ask about the septic permit or installation date, look for visible access risers/cleanouts, and confirm sewer status in the county records. A local septic inspector can confirm the system type and overall condition as part of a home purchase or routine maintenance.

Why homes typically use septic systems in Purcellville

  • Rural and semi-rural layout: Purcellville's dispersed development means many lots don't have easy, cost-effective access to a municipal sewer main.
  • Soil and drainage realities: our soils and terrain often favor well-designed on-site systems, provided they're properly planned and maintained.
  • Cost and practicality: extending sewer mains through hills and neighborhoods can be expensive and time-consuming, so many properties rely on septic as a practical, long-term solution.
  • Local expectations and zoning: in many parts of town, septic has been the standard wastewater approach for generations, aligning with property sizes, land use patterns, and local infrastructure.

High-level explanation (why septic exists here)

Septic systems exist here as a reliable way to treat and dispose of wastewater right on the property, especially when municipal sewer access is limited or absent. They work best with sound design, proper sizing, regular pumping, and proactive maintenance—everything a thoughtful homeowner can manage with the right local guidance.

In the sections ahead, you'll find practical steps, local tips, and neighborly guidance to keep any Purcellville septic system healthy and trouble-free.

Where Septic Systems Are Common in Purcellville

Map of septic coverage in Purcellville, VA

Purcellville's mix of rural lands and small-town neighborhoods means private septic is still the norm in many parts of town and the surrounding countryside. If you live outside the town's public sewer area or on a larger lot, a septic system is often the practical option for wastewater disposal.

Rural and farmland areas around Purcellville

  • Homes on farms or 1-acre-plus parcels north, west, and south of the town commonly rely on septic.
  • Older homes built before sewer extensions were common are often on septic.
  • In these zones you'll encounter conventional gravity septic systems, with some mound or chamber designs where soils are less favorable.

Areas not served by municipal sewer

  • Septic is especially common where there is no sewer line or where extending sewer isn't economical.
  • Some newer subdivisions inside Purcellville may be connected to sewer if an extension exists, but many remain on septic when sewer access isn't available.
  • Sewer extension pace depends on cost, land use, and county planning; you'll see a mix of septic and sewer within the broader Purcellville area.

Topography and soil factors that influence septic in Purcellville

  • Steep slopes require careful drainfield siting and may need engineered designs (mound or at-grade systems).
  • Soil permeability matters: well-drained loamy soils support typical drainfields; very clayey or shallow soils may need alternative designs.
  • Proximity to streams, floodplains, or wells can restrict where a system can be placed; proper setbacks and permits are essential.

How to determine your property status

  1. Check your property's deed, plat, or past permits to see if a sewer connection exists or if a septic was installed.
  2. Contact Loudoun County Environmental Health or the Virginia Department of Health Onsite Sewage Program to verify whether your lot had a sewer extension or a septic permit.
  3. If you're planning improvements, hire a licensed septic designer or soil scientist to confirm site suitability and obtain required permits.
  4. Review the county's property records for the as-built septic system map or record drawings, where available.

Common septic system configurations seen in Purcellville

  • Conventional gravity septic with a drainfield for typical lots.
  • Mound systems or alternative septic designs on sites with limited absorption area or poor soils.
  • ATUs (advanced treatment units) on restrictive lots or close-to-water features.
  • Pumped transfer systems on properties with challenging slopes or large distances to the drainfield.

Official resources:

  • EPA Septic Systems:

Septic vs Sewer: What Homeowners in Purcellville Should Know

Availability in Purcellville

In Purcellville and nearby Loudoun County, you may live on a public sewer system or rely on a private septic system. Availability depends on street frontage, drainage area, and how recently sewer mains were extended in your neighborhood. Start by confirming current service status before making plans.

If you rely on a septic system: maintenance basics

A well-run septic system protects your home and the environment. Regular maintenance helps prevent failures and costly repairs.

  • Pump your septic tank every 3–5 years (more often with heavy use or small tank size). Keep a service record.
  • Schedule annual or biennial inspections with a licensed septic contractor to check the baffles, baffles, pump chamber, and distribution box.
  • Protect the drain field: avoid heavy equipment, plant deep-rooted trees nearby, and minimize heavy water use during pumping or construction activities nearby.
  • Conserve water to reduce load on the tank and drain field. Use high-efficiency fixtures and spread out laundry and dishwasher use.
  • Avoid flushing non-biodegradable items, grease, chemicals, pesticides, or medications. See EPA guidance for septic systems: https://www.epa.gov/septic.
  • Official resources: Virginia Department of Health onsite wastewater program materials and EPA septic guidance can help you understand inspection schedules and best practices: https://www.vdh.virginia.gov/water/onsite-wastewater-system-program/ and https://www.epa.gov/septic.

Pros and cons at a glance

  • Sewer pros: predictable monthly costs, no septic tank pumping, no risk of drain-field failure on your property.
  • Sewer cons: connection costs, ongoing sewer charges, potential impact of neighborhood capacity and line work.
  • Septic pros: independence from utility bills tied to the public system, flexibility for rural parcels.
  • Septic cons: regular pumping and inspections, risk of field failure if mismanaged, local regulations may require upgrading if service expands.

Quick decision steps

  1. Verify whether a public sewer main serves your property and any required connection timeline with Loudoun Water or Purcellville's utilities.
  2. If sewer isn't available, or you prefer septic, confirm tank size, outlet location, and drainage field condition with a licensed contractor.
  3. Compare long-term costs: annual septic maintenance vs. monthly sewer charges, plus potential connection fees if sewer becomes available.
  4. Keep official records: permits, inspection reports, pumping receipts, and replacement information for future buyers or inspections (Virginia Department of Health and EPA guidelines referenced above).

Typical Septic System Types in Purcellville

Conventional gravity septic systems

  • How it works: A septic tank receives wastewater from the home. Untreated effluent flows by gravity to a buried drainfield (soil absorption area) where soil microbes treat it as it percolates through the soil.
  • Pros
    • Simpler design, typically lower upfront cost.
    • Reliable where soils have adequate depth and permeability.
  • Cons
    • Requires sufficiently deep, well-draining soil; performance drops with high water tables or restrictive layers.
    • Drainfield failure can occur if the area is overloaded or soils are poor.
  • Maintenance and considerations
    • Routine pumping every 3–5 years (more often in homes with high wastewater flow).
    • Protect drainfield: keep heavy equipment off and avoid planting trees with deep roots nearby.
    • Regular inspections by a licensed septic contractor are essential, especially after new construction or renovations.
  • When you'll see it in Purcellville: Still common for older homes with suitable native soils and adequate groundwater separation.
  • Official resources:

Pressure-dosed systems (pressure distribution)

  • How it works: A pump and control system push effluent into a series of buried laterals. The dosing creates evenly spaced "packets" of wastewater to improve distribution through challenging soils.
  • Pros
    • Works well on soils with poor percolation or shallow bedrock.
    • More uniform distribution reduces washout and can extend drainfield life.
  • Cons
    • Requires a reliable pump and power; more moving parts mean more maintenance.
    • Higher operating costs than gravity systems.
  • Maintenance and considerations
    • Regular pump checks and replacement intervals per manufacturer and local health department guidelines.
    • Keep the pump chamber accessible and protect it from flooded or standing water.
    • Annual professional inspection is recommended.
  • When you'll see it in Purcellville: Used when native soils don't percolate well or where the water table is high.
  • Official resources:

Mound systems

  • How it works: An elevated, engineered drainfield mound sits above the natural soil. Wastewater is treated in a shallow sand layer after pumping and then infiltrates the soil at a higher elevation.
  • Pros
    • Suitable for poor soils, high water tables, or shallow bedrock.
    • Can meet more stringent environmental performance requirements.
  • Cons
    • Higher installation cost and more land area required.
    • More complex maintenance and monitoring needs.
  • Maintenance and considerations
    • Routine inspections; avoid compaction and heavy use on the mound area.
    • Protect the mound from erosion, root intrusion, and heavy equipment.
  • When you'll see it in Purcellville: Selected for properties with limited native soil depth or problematic percolation.
  • Official resources:

Aerobic Treatment Units (ATU) and Sand/Filter systems

  • How it works: ATUs pre-treat wastewater with controlled aerobic (oxygen-using) processes, producing higher-quality effluent that can be discharged to a conventional drainfield, mound, or secondary treatment unit. Sand or gravel filter beds provide additional polishing.
  • Pros
    • Higher level of treatment; can be used where soils are marginal or to meet stricter local requirements.
    • Often suited for space-limited lots or challenging soils.
  • Cons
    • Higher upfront and ongoing costs; more maintenance contracts required.
    • More equipment to monitor and service regularly.
  • Maintenance and considerations
    • Regular servicing by a licensed operator; schedule may require monthly or quarterly visits.
    • Annual system inspections and adherence to local health department permits are important.
  • When you'll see it in Purcellville: In newer or redeveloped properties, or where soils are not ideal but treatment needs are higher.
  • Official resources:

Drip irrigation and other advanced disposal methods

  • How it works: Treated effluent is slowly distributed through emitters or tiles to maintain soil moisture and promote gradual infiltration.
  • Pros
    • Can maximize use of available land and improve recharge in marginal soils.
    • Reduces surface runoff and odors when properly designed.
  • Cons
    • Very site-specific; requires specialized design, installation, and ongoing maintenance.
    • Higher initial costs and strict operation requirements.
  • Maintenance and considerations
    • Frequent inspection of emitters, filters, and lines; protect lines from damage.
    • Regular system monitoring under local health regulations.
  • When you'll see it in Purcellville: In properties with unique lot shapes, slope, or soil challenges where conventional drainfields aren't ideal.
  • Official resources:

Common Septic Issues in Purcellville

Drainfield Saturation and Infiltration Problems

Purcellville's hilly terrain and seasonal groundwater can push drainfields toward saturation, especially after heavy rains. A saturated drainfield will drain slowly, back up indoors, and produce soggy areas over the leach field or unusually lush grass.

  • Symptoms to watch for: slow drains, frequent backups, gurgling sounds in pipes, and damp spots or foul odors over the drain area.
  • Local factors: high groundwater, occasional perched water tables, and soils with limited absorption can increase drainfield stress.
  • What to do (steps):
    1. Call a licensed septic professional for a site assessment and, if needed, a dye or infiltration test.
    2. Have the tank pumped if solids are near the outlet baffle or the tank is overdue for service.
    3. Minimize water use during recovery (short showers, full laundry loads, avoid dishwashers during peak).
    4. Avoid driving or building structures on the drainfield to prevent compaction.
    5. If the drainfield is failing, discuss replacement options with a pro and follow local permitting requirements.

Tree Roots and Landscaping Encroachment

Many Purcellville homes sit near mature trees. Roots can invade pipes and drainfields, reducing infiltration capacity and causing backups.

  • Symptoms: slow drains, frequent clogs, or cracks in the septic tank or piping.
  • Local risks: shallow frost lines or compacted soil from landscaping can worsen root intrusion.
  • What to do (steps):
    1. Have a professional locate and assess sewer lines and the drainfield with a camera if backups occur.
    2. Create a clearance zone around the system and plant shallow-rooted ornamentals away from the drainfield.
    3. Install root barriers where feasible and monitor for new intrusive growth.
    4. Schedule regular maintenance to catch root-related issues early.

Soil and Site Conditions in Purcellville

Soil variation around Purcellville can make some lots more or less suitable for conventional septic systems. Clay-heavy soils, shallow bedrock, or poor drainage can impair effluent absorption and quicken drainfield failure.

  • What this means for you: test the soil's percolation rate and ensure proper setback distances from wells, foundations, and watercourses.
  • What to do (steps):
    1. Get a professional soil evaluation or percolation test before installing or repairing a system.
    2. Work with a licensed designer to select appropriate system types (e.g., alternative drainfields if standard absorption isn't feasible).
    3. Follow Virginia and local codes for setbacks and drainage planning.

Aging Systems and Maintenance Gaps

Older homes around Purcellville may still rely on aging septic components. Components such as pumps, effluent filters, and lids can wear out, leading to odors, backups, or effluent on the surface.

  • Signs of trouble: rising wastewater odors, wet ground near the tank or drainfield, or toilets that back up frequently.
  • Maintenance best practices:
    1. Schedule professional inspections every 1–3 years, and pump typically every 3–5 years (or as advised by the system designer).
    2. Keep a maintenance log and address any discovered issues promptly.
    3. Avoid installing or using materials that overload the system (grease, harsh chemicals, or heavy disposal loads).

Water Use and Household Load

High daily wastewater volume increases demand on Purcellville septic systems, stressing drainfields during winter and wet seasons.

  • Practical tips:
    • Distribute laundry and dishwashing across the week; run full loads.
    • Install and maintain high-efficiency fixtures (toilets, faucets, showerheads).
    • Fix leaks promptly; avoid running multiple high-flow appliances simultaneously.
    • Consider a graywater or rainwater strategy only if it's permitted by code and designed for your site.

Chemical and Waste Management

Flushing chemicals, solvents, or non-septic-safe products can kill beneficial bacteria and clog soil pores, accelerating system failure.

  • What to do:
    1. Use septic-safe products and avoid dumping solvents, paints, oils, drain cleaners, or pesticides into toilets or sinks.
    2. Keep a trash and recycling plan that minimizes solids going to the tank.
    3. Talk to a septic professional before adding enzyme or additive treatments—many systems don't require them and some can cause harm.

Seasonal Weather Impacts

Purcellville's weather patterns—heavy rains, snowmelt, and freeze-thaw cycles—can stress septic systems.

  • What to anticipate:
    • Wet seasons: higher drainfield moisture; watch for standing water near the field.
    • Cold seasons: deeper soil freezing can slow absorption.
  • What to do:
    1. Protect the drainfield with proper landscaping and avoid compacting soils.
    2. Keep runoff away from the drainfield using grading and drainage improvements.
    3. Maintain insulation around tanks and lines where applicable.

Official resources:

  • Virginia Department of Health – Onsite Sewage Program:
  • Virginia Cooperative Extension (homeowner septic guidance): https://www.ext.vt.edu/

Septic Inspection, Permits & Local Oversight

Who Oversees Septic Oversight in Purcellville

Purcellville relies on Loudoun County Health Department and the Virginia Department of Health to manage onsite wastewater systems. The town itself typically does not issue its own onsite septic permits. For most Purcellville projects, you'll interact with the county's Environmental Health team (Onsite Sewage Program) and, when needed, state staff who provide overarching guidance and regulation.

  • The county handles day-to-day permitting, inspections, and enforcement.
  • The state provides the statewide rules and technical guidance that local programs apply.

Do You Need a Permit? When and Why

  • New septic systems, replacements, and major repairs generally require a permit.
  • If you're changing the use of the home (for example, adding bedrooms or increasing fixture count) in a way that affects the septic system, a permit is typically required.
  • Routine maintenance alone may not always require a permit, but any work that involves components or alteration of drainage may trigger permit requirements. When in doubt, check with the Loudoun County Health Department's Onsite Sewage Program.

The Permit Process (Step-by-Step)

  1. Hire a licensed Onsite Wastewater System professional to evaluate your site, perform soil tests, and design an appropriate system.
  2. Your designer/installer prepares the permit package (plans, soil reports, and other required documents) for submission.
  3. Submit the permit package to the local health department for review. They may request revisions to meet code and environmental standards.
  4. Once approved, receive the permit with conditions and inspection dates. Work cannot begin until the permit is active.
  5. Schedule inspections as required: typically a pre-backfill inspection, followed by a final inspection after installation to verify proper function and record-keeping.

Inspections You'll Likely Need

  • Pre-backfill inspection: confirms layout, tank locations, trench placement, and materials align with the approved plan.
  • Rough-in/installation inspection: ensures components are correctly installed before backfilling.
  • Final inspection: confirms the system is functioning as intended and all required records are complete.
  • If you make substantial changes (relocation of components or system redesign), additional inspections may be required.

Helpful Tips for a Smooth Process

  • Start early: permit reviews can take time, especially if revisions are requested.
  • Use licensed professionals: Virginia requires properly licensed installers and designers for onsite wastewater projects.
  • Keep organized records: store plans, soil reports, inspection stickers, and permits in an accessible file.
  • Budget for fees and potential delays: permit and inspection costs vary by project size and jurisdiction.
  • For home sales: have up-to-date septic documentation ready for disclosures and buyer questions.

Official Resources

  • Virginia Department of Health – Onsite Sewage Systems:

Septic Maintenance for Homes in Purcellville

Local conditions in Purcellville

Purcellville sits in a clay-heavy, variable soil area with seasonal rainfall and occasional high-water-table conditions. Soils can appear well-drained in some spots and more prone to saturation in others, especially after storms. Drainfields in this region need adequate absorption space and proper grading to prevent surface runoff from washing nutrients or solids into the area. Local regulations about setbacks to wells, streams, and property lines apply, so always confirm with the Loudoun County Health Department when sizing or relocating a system. For state guidance, see Virginia's Onsite Sewage Systems program:

Regular maintenance: a practical routine

A proactive plan saves costly repairs and preserves soil function.

  • Pumping cadence
    • Typical homes: every 3–5 years, depending on tank size, family size, and sink/disposal usage.
    • If you have frequent use of garbage disposal, heavy-water-usage days, or a small tank, more frequent pumping may be needed.
  • Professional inspections
    • Have your septic tank inspected when you pump. Ask the technician to check baffles, inlet/outlet tees, the presence/condition of an effluent filter, and the condition of the drainfield trench trenches.
  • System labeling
    • Keep a simple map or photo record of where the tank and drainfield sit on your property. Update it if you remodel or add structures.

Drainage and disposal habits to protect your system

What you do every day really matters for Purcellville soils.

  • Water usage
    • Space out laundry, use high-efficiency fixtures, and fix leaks promptly to reduce continuous loading on the system.
  • Waste disposal
    • Avoid putting fats, oils, and grease, chemicals, solvents, or harsh cleaners down the drain. Use septic-safe products when possible.
    • Limit garbage disposal use; compost food scraps when feasible.
  • Landscaping near the drainfield
    • Plant only shallow-rooted grasses over the drainfield. Avoid deep-rooted trees or shrubs that can disturb pipes and cloglines.

Drainfield protection and yard care

A healthy drainfield needs sunshine and air, not compaction or heavy traffic.

  • Do not drive or park on any part of the drainfield.
  • Keep heavy equipment away from the drainfield during construction or landscape projects.
  • Maintain a healthy grass cover to prevent erosion and allow evaporation.

Seasonal considerations for Purcellville

Weather plays a big role in system performance.

  • Wet seasons and floods
    • Heavy rainfall can saturate soils and delay drainage. If the drainfield remains wet for long periods, limit water use and contact a septic professional for a check.
  • Winter and freeze
    • Cold snaps can slow drainage and thicken effluent movement. Ensure access ports remain clear and the system is not buried under excessive snow buildup.

Recognizing trouble early

Catch issues before they become expensive repairs.

  • Symptoms
    • Slow drains, gurgling sounds in plumbing, sewage odors near the tank or drainfield, or unusually lush, soggy patches in the yard.
  • Quick actions
    • Do not pump repeatedly without reason. If you notice persistent problems, schedule a professional assessment promptly.

Quick action plan (step-by-step)

  1. Confirm your tank size and pumping history; set a realistic pumping schedule with a septic service.
  2. Schedule an inspection of baffles, filters, and the outlet to the drainfield; request a site assessment for drainfield performance.
  3. Review daily-use habits and make a plan to reduce load if needed.
  4. Inspect the yard around the drainfield for signs of surface pooling or soggy areas and address soil or drainage issues if present.
  5. If problems persist, contact a licensed septic professional or the local health department for guidance.

Official guidance and resources

  • Virginia Department of Health – Onsite Sewage Systems: and search for septic system resources

Cost Expectations for Septic Services in Purcellville

Routine septic tank pumping

  • What it includes: removing accumulated sludge and scum, inspecting baffles, checking the tank for wear, and assessing effluent levels. Many pumps also clean or check any installed filters and inspect access lids.
  • Purcellville-specific notes: older homes and hillside lots can have more sediment buildup or access challenges, which can affect time and price. Expect travel time to impact small-town service calls.
  • Typical cost in Purcellville: $350–$650 per pumping, depending on tank size (most homes have 1,000–1,500 gallons) and accessibility.
  • What to prepare: clear access to the manholes, remove vehicles from the area, and have the system's most recent pumping or maintenance records handy.

Septic system inspections (routine and pre-sale)

  • What it includes: exterior visual inspection, tank and lid assessment, risers and access checks, and a review of system components for leaks or damage. Real estate inspections may add a camera line inspection and a more thorough field evaluation.
  • Purcellville-specific notes: for real estate transactions in Purcellville, expect a more comprehensive report that may include camera inspection of pipes from the tank to the drain field.
  • Typical cost in Purcellville: $200–$500 for a basic inspection; $400–$800 for a full inspection with camera work.
  • Steps to follow:
    1. Schedule when the home's title work is underway.
    2. Provide access to the septic area.
    3. Review the inspector's findings and ask about any recommended follow-up.

Septic tank installation or replacement

  • What it includes: site evaluation, soil tests, permit coordination, tank installation, piping, distribution box, and drain-field setup. In Purcellville, soils and topography sometimes necessitate elevated systems (mounds) or alternative designs.
  • Purcellville-specific notes: complex terrain or marginal soils can drive design changes and longer timelines; permitting through state and local authorities is required.
  • Typical cost in Purcellville: standard replacement often ranges from $15,000–$30,000; more complex installations (mound or specialty systems) can run $25,000–$60,000+.
  • Planning tips: obtain multiple bids, confirm warranty terms, and discuss access for future maintenance.

Drainfield repair or replacement

  • What it includes: evaluation of trenches, distribution lines, and soil conditions; repairing failing trenches, replacing damaged piping, and reinstalling portions of the field as needed.
  • Purcellville-specific notes: budget for soil-based variability and potential need for additional site preparation in hilly lots.
  • Typical cost in Purcellville: repair $2,500–$10,000; full replacement $7,500–$40,000+.
  • Quick decision path: if the field shows repeated backups after pumping, prioritize a field assessment before costly partial repairs.

Soil evaluation and perc testing (for new or expanded systems)

  • What it includes: soil borings, perc testing, site topography review, and a report that informs system design.
  • Purcellville-specific notes: local standards and permit requirements require formal soil evaluation to guide system type.
  • Typical cost in Purcellville: $1,000–$3,000, depending on property size and test scope.
  • Practical step: work with a qualified engineer or soil professional familiar with Purcellville soils.

Septic system repairs (pumps, valves, leaks)

  • What it includes: replacing failed pumps or floats, repairing valves, fixing leaks, and resealing connections.
  • Purcellville-specific notes: remote areas may incur travel or after-hours surcharges.
  • Typical cost in Purcellville: pump replacement $500–$1,500; minor repairs $150–$800; emergency call adders $100–$250.
  • Pro tip: keep a maintenance log and address float alarm triggers promptly to prevent field damage.

Septic alarm and float switch replacement

  • What it includes: replacing or upgrading the alarm unit and the control float, testing the system, and ensuring backup power readiness.
  • Typical cost in Purcellville: $200–$600.

Septic tank lid risers and access upgrades

  • What it includes: installation of risers and secure, weatherproof lids to improve access for inspections and pumping.
  • Typical cost in Purcellville: $350–$900.

Real estate transfer inspections

  • What it includes: a thorough, seller/buyer-oriented evaluation to confirm system status and identify required repairs before closing.
  • Typical cost in Purcellville: $350–$800.

Maintenance plans and service contracts

  • What it includes: periodic pumping, annual inspections, and prioritized service scheduling.
  • Typical cost in Purcellville: $150–$400 per year, depending on service level and system size.
  • Benefit: predictable budgeting and reduced emergency call risk.

Emergency septic service

  • What it includes: 24/7 response for stoppages, backups, or sudden failures, with diagnostic diagnosis and rapid repairs.
  • Typical cost in Purcellville: emergency call charges plus repair costs, often $150–$350 minimum plus parts and labor.

Official resources for local guidelines and regulations:

  • Virginia Department of Health – Onsite Sewage Program:
  • EPA – Septic Systems: