Septic in Whitelaw, WI

Last updated: Mar 21, 2026

Whitelaw neighbors know that quiet mornings and well-kept homes go hand in hand with practical, down‑to‑earth choices. Here in our corner of Wisconsin, many homes rely on a septic system that's tucked out of sight but plays a visible role in daily living. Is septic common in Whitelaw? Should I expect septic if I own or buy a home? In this area, yes—private septic systems are the norm for most houses, unless a property is connected to a community sewer line. If you're buying, plan for a septic system to be part of the infrastructure you're inheriting, and factor in a recent inspection as part of your due diligence.

Why Whitelaw homes typically use septic systems comes down to how the land and services were developed here. A rural layout with spread-out lots, paired with the cost and logistics of extending centralized sewer lines, means on-site treatment has long been the practical option. You'll often see standard septic tanks paired with drain fields, and in some properties, more specialized designs like mound or sand-filter systems to fit the soil and site limitations. Local regulations encourage proper design and maintenance to protect groundwater, which keeps septic a sensible fit for our homes.

High-level explanation of why septic exists here:

  • On-site treatment works well where centralized sewers aren't feasible or cost-effective for distant properties.
  • Soil and groundwater considerations in many Whitelaw parcels are better managed with a properly designed septic system than awkward, long-distance sewer extensions.
  • A well‑maintained septic system supports daily living without adding the complexities of city infrastructure to every backyard.

A simple look at how it works (at a glance):

  • Household wastewater enters the septic tank, where solids settle to the bottom and scum rises to the top.
  • Liquid effluent exits the tank to the drain field, where soil and microorganisms treat the water prior to it rejoining the groundwater.
  • Regular maintenance — like timely pumping and inspections — keeps the system functioning and protects the property value.

Practical tips for Whitelaw homeowners:

  • Expect a septic system to be part of most homes; verify during purchase and request a current inspection.
  • Schedule regular pumping (often every 3–5 years, or as advised by a local pro) and periodic system checks.
  • Be mindful of what you flush or pour down drains; avoid non-biodegradable or grease-heavy substances.
  • Work with a licensed local septic contractor who understands Whitelaw soils and regulations.

With that in mind, you'll have a clear sense of what to expect as a Whitelaw homeowner, and you'll know where to turn for trustworthy, neighborly guidance and hands-on expertise.

Where Septic Systems Are Common in Whitelaw

Map of septic coverage in Whitelaw, WI

Rural, low-density residential areas

  • Outside the village core, many homes sit on larger lots with private wastewater treatment. Public sewer lines don't always extend to these areas, so on-site systems are common.
  • You'll often see single-family homes on 1–5+ acre parcels where on-site treatment is practical and cost-effective compared with tying into municipal sewer.

Farmsteads and larger lots

  • Farms and rural homesteads rely on POWTS (private onsite wastewater systems) for houses, guest cottages, and outbuildings. With space for trench or mound absorption areas, septic systems are well-suited to agricultural layouts.
  • Outbuildings may share or require separate systems depending on distance and soil conditions, but the main residence typically uses a standard septic setup.

Old neighborhoods and properties not tied to sewer

  • Historic or slower-expanding areas often built before sewer infrastructure reached their blocks. In these pockets, septic remains the practical wastewater solution.
  • Newer builds on private lots in Whitelaw can also use septic when sewer connection isn't available or financially viable, especially in edge areas around the village.

Why these patterns are common in Whitelaw

  • Cost and logistics of extending municipal sewer lines: Building and maintaining sewer mains across rural terrain, farms, and property borders can be expensive and slow.
  • Local land-use and zoning: Low-density development favors individual wastewater systems, while high-density cores may have different infrastructure timelines.
  • Soil and groundwater realities: Many Whitelaw soils drain well enough for conventional systems, while occasional higher water tables or compacted zones necessitate specialty designs (mounds or enhanced treatment) to protect wells and surface water.
  • Water supply protection: Proximity to wells and groundwater resources drives responsible setback spacing and system design, which is a core focus of POWTS regulations.

Site considerations you'll commonly see in Whitelaw

  • Soil types and percolation: Loamy, sandy loam, or well-drained soils support typical septic designs; poorly draining soils may require alternative approaches.
  • Depth to groundwater: Shallow groundwater areas often use elevated systems or mound designs; deeper soils generally accommodate standard tanks and absorption fields.
  • Proximity to wells and water features: Setbacks and containment strategies are designed to prevent contamination of drinking water sources.
  • Local regulations and inspections: Wisconsin POWTS rules govern installation, maintenance, and pumping schedules to safeguard health and the environment. Working with licensed professionals helps ensure compliance.

Practical steps for homeowners

  1. Get a soil test and percolation assessment for your parcel to determine suitable system types.
  2. Check with the local health department or county on existing septics and required setbacks.
  3. Plan for maintenance: schedule regular pumping and inspections to prevent failures.
  4. Consider long-term costs and replacement needs when buying property with a septic system.

Official resources

  • Wisconsin Department of Natural Resources (DNR) – Septic systems and POWTS guidance:
  • University of Wisconsin Extension – Septic system basics and maintenance: https://fyi.extension.wisc.edu/septic/

Septic vs Sewer: What Homeowners in Whitelaw Should Know

Quick differences

  • Septic systems are privately owned and sit on your property; wastewater is treated on-site through a tank and drain field.
  • Municipal sewers collect wastewater to a central treatment facility; your home pays a monthly sewer bill and doesn't manage on-site treatment.
  • In Whitelaw, not every street is connected to a sewer line. Check with the village or Manitowoc County to confirm whether sewer service is available for your address.

How a septic system works (at a glance)

  • Step 1: Wastewater flows from your home into the septic tank, where solids settle to the bottom and grease floats to the top.
  • Step 2: Bacteria in the tank break down some solids; clarified liquid (effluent) exits to the drain field.
  • Step 3: In the drain field, effluent percolates through soil, where further filtration and microbial activity remove contaminants.
  • Step 4: Treated water gradually re-enters the groundwater system; a well-functioning soil and landscape protect this process.

Pros and cons at a glance

  • Septic systems
    • Pros: potential long-term savings if there's no monthly sewer bill; independence from municipal networks.
    • Cons: requires regular maintenance (pumping, inspection); failure can pollute groundwater and cost more to repair.
  • Sewer connections
    • Pros: no on-site tank maintenance; predictable monthly fees and centralized treatment.
    • Cons: ongoing sewer charges; a failed connection or overflows can affect multiple properties; connection costs can be substantial if you're far from mains.

Maintenance basics homeowners should follow

  • Pump your septic tank every 3–5 years (frequency depends on household size, water usage, and system design).
  • Protect the drain field: avoid parking or driving over the area; keep heavy irrigation loads away from the drain field during pumping and replacement work.
  • Conserve water: use high-efficiency fixtures, spread laundry across the week, and fix leaks promptly.
  • Be mindful of what goes down the drain: only toilet paper and wastewater go into the system; avoid fats, oils, grease, sanitary products, diapers, solvents, chemicals, paints, or disposable wipes.
  • Schedule regular inspections with a licensed septic installer or a local health department to catch issues early.

When you might connect to sewer

  • If a sewer main is proposed or extended to your neighborhood, weigh the long-term cost, convenience, and maintenance considerations.
  • Connection steps (typical process):
    1. Confirm sewer availability for your address with the Whitelaw village or Manitowoc County.
    2. Obtain a formal assessment and a cost quote for tapping into the main and any trenching or roadwork.
    3. Have any required septic system alterations or abandoned-tank procedures performed by a licensed contractor.
    4. Secure all needed permits before work begins; follow local code requirements for connections and inspections.

Official resources

  • EPA: Septic systems overview, maintenance, and tips

Typical Septic System Types in Whitelaw

Conventional gravity septic systems

  • How they work: wastewater flows from the septic tank to a drainfield by gravity. Solids stay in the tank; liquids percolate through soil to be treated.
  • Typical layout: one or two-chamber septic tank plus an underground drainfield (trenches or beds) placed in suitable soil.
  • Pros: simple design, widely installed, generally lower upfront cost.
  • Cons: requires adequate soil depth and proper drainage; performance declines with high water tables or poor soil.
  • Quick maintenance notes:
    • Schedule a professional pump-out every 3–5 years for typical family use.
    • Conserve water to reduce strain on the drainfield.
    • Protect the drainfield area (no heavy vehicles or construction on top of it).

Pressure-dosed distribution (gravel or chamber) systems

  • What makes them different: effluent is pumped under pressure to multiple trenches, which distributes flow more evenly across the drainfield.
  • When they're used: helpful when soils are shallow, have split textures, or when the water table is a concern.
  • Pros: better distribution in challenging soils; can increase wastewater infiltration.
  • Cons: higher installation and maintenance costs; relies on a pump and electrical power.
  • Maintenance notes:
    • Ensure the dosing pump and controls are inspected regularly.
    • Keep drainfield surface clear of compaction and vegetation that could interfere with infiltration.
    • Pumping frequency is often similar to conventional systems but may vary with usage.

Chamber or bed systems

  • How they differ: instead of traditional gravel trenches, plastic chambers or modular beds provide a larger, open infiltration area.
  • Pros: often faster installation, flexible while fitting irregular lots, less weight on the trench.
  • Cons: performance still relies on proper soil and proper sizing; must be installed by trained crews.
  • Maintenance notes:
    • Protect the surface area above the drainfield; avoid traffic and heavy equipment.
    • Regular inspections help ensure the chamber or bed hasn't settled or become blocked.

Sand filters and engineered treatment systems

  • Purpose: used when soils are poor for conventional drainfields or when higher treatment is needed.
  • How they work: wastewater first passes through a pretreatment tank, then through a sand filtration or other engineered media before reaching the drainfield.
  • Pros: higher level of treatment; can accommodate more challenging sites.
  • Cons: higher upfront and maintenance costs; periodic media replacement or cleaning may be needed.
  • Maintenance notes:
    • Follow manufacturer and local authority guidance for desludging, backwashing, or media changes.
    • Regular professional inspections are essential to prevent clogging or bypass.

Alternative and innovative systems

  • Types you may encounter: aerobic treatment units (ATUs), drip irrigation systems, evapotranspiration (ET) beds, and other advanced onsite systems.
  • Pros: can treat higher-strength wastewater or work in marginal soils; may be required by local codes.
  • Cons: typically higher maintenance and monitoring needs; some require electricity and specialized service.
  • Maintenance notes:
    • Schedule professional service per local requirements.
    • Keep dewatering and discharge records; many systems require periodic performance checks.

Maintenance at a glance

  1. Have a licensed onsite wastewater professional inspect your system annually when possible; a formal evaluation every 1–2 years is common for newer or high-use homes.
  2. Pump the septic tank every 3–5 years (or per local guidance) to remove accumulated solids.
  3. Conserve water and spread out laundry, dishwashing, and irrigation to protect the drainfield.
  4. Keep the drainfield area clear: no vehicles, asphalt, or structures; plant only shallow-rooted vegetation.
  5. Maintain records: system layout, pump dates, and service reports should be kept with your home documents.
  6. Look for warning signs: damp spots, strong odors, sewage backups, or lush green patches over the drainfield—these require prompt professional evaluation.

Where to verify local requirements

  • Wisconsin Department of Safety and Professional Services (DSPS) – Onsite Wastewater program:
  • Wisconsin Department of Natural Resources (DNR) – Onsite Wastewater Systems (OWTS):
  • Wisconsin Onsite Wastewater Association (WOWA): http://www.wowa.org/
  • EPA septic systems overview: https://www.epa.gov/septic

Common Septic Issues in Whitelaw

Drainfield saturation and surface effluent

Whitelaw homes often contend with drainfield saturation during wet seasons or after rapid snowmelt, which can push effluent to surface or cause soggy lawns.

Symptoms

  • Wet, spongy patches or a strong sewage odor near the septic area
  • Grass greener or taller directly above the drainfield
  • Slow or gurgling drains in the house

What to do

  1. Conserve water and space out high-water-use activities (laundry, dishwashing) during wet periods.
  2. Have the septic tank pumped if solids have built up (typically every 3–5 years for many households, but interval varies).
  3. Schedule a site assessment with a licensed septic professional to evaluate drainfield condition and soil saturation.
  4. Avoid driving or parking on the drainage field, and keep trees and heavy vegetation away from the area.
  5. If surfacing continues, discuss options with a pro (e.g., drainfield enhancements or a mound system) and confirm local permit requirements.

Why Whitelaw may see this

  • Seasonal groundwater fluctuations and heavy spring rainfall can saturate soils more often than drier areas.
  • Varied soil types in Manitowoc County can affect drainage; some yards have shallow or slowly draining layers that slow effluent treatment.

Resources

Slow drains, backups, and solids buildup

Solid accumulation in the tank reduces the space available for wastewater, increasing the chance of backups.

Symptoms

  • Backed-up sinks, tubs, or toilets
  • Frequent toilet clogs or toilet paper not breaking down
  • Strong septic odors inside the home

What to do

  1. Have the septic tank pumped if solids exceed the recommended level for your system.
  2. Use septic-safe products and avoid flushable wipes, grease, solvents, and chemicals that can disrupt beneficial bacteria.
  3. Schedule regular maintenance per your system's design and local guidance.
  4. Have a pro inspect baffles, risers, and lids for proper access and signs of wear.

Why Whitelaw may see this

  • Aging tanks and drainfields are common in older neighborhoods; soil conditions can also influence how quickly solids accumulate and travel.

Resources

Odors in the home or yard

Odors usually indicate a problem with tank levels, venting, or a failing drainfield.

Symptoms

  • Foul smell near plumbing fixtures or around the yard
  • Puddling or wet spots with a sewer-like scent

What to do

  1. Check that all plumbing drains are functioning and that drip irrigation isn't overloading the system.
  2. Have the tank inspected; confirm that inhalation vents and access lids are intact.
  3. Pump if needed and examine for leaks or cracked pipes.

Cold Wisconsin winters can slow drainage and cause issues with buried lines or tanks.

Symptoms

  • Frozen cleanouts or slow drains when temperatures drop
  • Ice on the surface over or near the system

What to do

  1. Keep access lids clear of snow and avoid burying or compressing soil around the system.
  2. Schedule maintenance before winter if you're in a climate zone with deep frost.
  3. Use minimal water during extreme cold snaps to protect the system.

Root intrusion and physical damage

Tree roots seeking moisture can invade throughout the tank and lines.

Symptoms

  • Repeated backups or slow drains even after pumping
  • Visible roots near the septic area or cracks in pipes

What to do

  1. Have a professional locate and inspect pipes for root intrusion.
  2. Install root barriers or separate drainage lines if needed.
  3. Trim or manage nearby trees as recommended by a pro.

Improper waste disposal and chemical use

Harsh cleaners, paints, solvents, and excessive white products can disrupt the bacteria in the tank.

Symptoms

  • Unusual odors, backups, or frequent pumping needs
  • Sludge and scum layers stacking unevenly

What to do

  1. Use septic-safe cleaning products in moderation.
  2. Don't pour solvents or oil-based products down drains.
  3. Dispose of hazardous wastes through proper channels rather than down the drain.

Official resources (for ongoing reference)

Septic Inspection, Permits & Local Oversight

Who oversees septic permits in Whitelaw

  • Local oversight is typically a partnership between Manitowoc County Environmental Health and your village or town building department. The county handles onsite wastewater system permits and plan reviews, while the local municipality handles building permits, inspections, and any zoning considerations.
  • State and federal rules set the framework. Wisconsin's onsite wastewater programs are administered at the state level, with local execution through counties and municipalities.

Permits you may need

  • Onsite wastewater system permit (new system, replacement, or major repair) from Manitowoc County Environmental Health.
  • Building permit if you're constructing, expanding, or finishing spaces that affect wastewater flow (even if you connect to a municipal sewer, some changes may still require oversight).
  • Real estate transfer-related inspections may be required by lenders, buyers, or local ordinances.
  • If you live in a community with public sewer, confirm whether a separate septic permit is needed (most Whitelaw properties rely on onsite systems, but local rules can vary).

The permit process (step-by-step)

  1. Check with Manitowoc County Environmental Health about permit requirements for your property and planned work.
  2. Gather site information and soil/site evaluation data (soil tests, percolation rates, lot drainage) if a new system or significant modification is planned.
  3. Hire licensed professionals (installer/designer) as required by state rules. Wisconsin maintains licensure for sanitary wastewater professionals through the state.
  4. Prepare and submit design plans, site evaluations, and any required forms to the county for review.
  5. Pay applicable permit and plan-review fees; wait for approval before starting work.
  6. Schedule installation with your licensed contractor after permit issuance.
  7. Obtain required inspections during installation (see below) and keep as-built records for final approval.

Inspections you'll face

  • Pre-construction/site evaluation verification: county reviewer confirms the proposed system fits the site and complies with code.
  • Rough-in/trench inspection: checks installation sequencing, pipe placement, and connections.
  • Backfill and component inspection: ensures trench backfill, bedding, and system components meet standards.
  • Final inspection and as-built documentation: confirms the system is functioning, properly connected, and that layout matches approved plans. An as-built drawing is typically required for records.
  • Additional follow-ups: counties may request dye tests or pump tests in certain situations or for real estate transactions.

Septic inspections for real estate transactions

  • Start with a licensed septic inspector. In Wisconsin, inspectors and contractors should hold state licensure where applicable.
  • The inspection report should document system age, current condition, pump dates, soil conditions, and any recommended repairs or replacements.
  • Share the report with the buyer, lender, and local authorities as required. If issues are found, you'll discuss repair or replacement timelines and costs with the buyer.
  • If a system is beyond repair or in poor condition, a county may require a formal upgrade or replacement plan as a condition of sale.

Official resources and contacts

  • Wisconsin Department of Natural Resources (Onsite Wastewater Program):
  • Wisconsin Department of Safety and Professional Services (Sanitary Wastewater System Installer licensing and professional information):
  • Manitowoc County Environmental Health (Environmental Health Division – septic permits and inspections):
  • General state guidelines and code references (for planning and design standards):

Notes for Whitelaw homeowners:

  • Always start with the county environmental health office to confirm the exact permit requirements for your project and to obtain the correct forms.
  • If your property is near a boundary with a neighbor or a shared drainage area, consider a quick consult with a local building inspector to ensure your plan aligns with any municipal constraints.
  • Keep a file with all permit approvals, inspection labels, and the final as-built drawing for future maintenance, sale, or upgrades.

Septic Maintenance for Homes in Whitelaw

Local soil and groundwater realities in Whitelaw

  • Whitelaw homes sit on a mix of soils common to Manitowoc County, often with clay-rich layers or shallow bedrock in places. This can slow down absorption or limit effluent dispersal, making the drainfield more sensitive to overuse or poor drainage.
  • Spring thaws, heavy rain, and snowmelt can raise groundwater and saturate the leach field. When the soil is saturated, system performance drops and backups are more likely.
  • Many Whitelaw properties rely on private wells. Keep a safe distance between the septic system and your well per state guidance to protect drinking water quality.

Regular maintenance checklist

  • Pumping schedule: Have the septic tank pumped every 3–5 years for typical households, but adjust based on tank size, household size, and whether a garbage disposal is used.
  • Inspections: Have lids checked for cracks, settling, or damage; ensure baffles are intact and directing flow to the tank outlet.
  • Drainage observations: Look for soggy patches, lush growth, or sewage odors near the drainfield—these can signal trouble.
  • Drainfield protection: Keep heavy equipment, vehicles, and construction off the drainfield area; plant grasses only and avoid deep-rooted trees nearby.
  • Water-use discipline: Spread out laundry and dishwashing; fix leaks promptly; install and use low-flow fixtures to reduce overall wastewater volume.
  • Chemical usage: Avoid flushing wipes, solvents, oils, paints, and harsh cleaners that can disrupt beneficial bacteria or clog the system.

Step-by-step maintenance routine

  1. Locate and document your tank size and access lids. Record the tank location on a simple map or in a home file.
  2. Schedule pumping when sludge and scum are close to the outlet baffle or every 3–5 years, depending on use and tank size.
  3. Have a licensed septic contractor measure sludge and scum layers and inspect baffles and the outlet.
  4. Implement a water-use plan: fix leaks, use high-efficiency fixtures, and avoid dumping grease or chemicals down drains.
  5. Protect the drainfield: maintain 6–10 feet of undisturbed soil on either side, avoid parking on top, and mulch lightly to control erosion without sealing the soil.
  6. Do seasonal checks: in spring, watch for pooling water or wet spots; in winter, clear snow from around the access lids and maintain thawed drainage around the field edges.

Local issues and Whitelaw-specific tips

  • Soil moisture management: in areas with clay or perched water, a properly sized drainfield and conservative loading are crucial; consider upgrading to a larger tank or a mound system if the soil percolation is marginal (as advised by a local septic professional and per DNR guidance).
  • Groundwater protection: with private wells nearby, routinely verify setbacks and avoid introducing anything that could contaminate groundwater; follow Wisconsin DNR and local health department recommendations.
  • Frost and freeze cycles: ensure access lids remain frost-free and that the area around the tank and drainfield is not compacted by snow removal activities.
  • Landscaping choices: avoid trees with aggressive roots near the drainfield; select shallow-rooted ornamentals to minimize intrusion risk.

When to call a septic professional (Whitelaw-focused)

  • You notice gurgling sounds, slow drains, sewage odors inside the home, or wastewater backing up into plumbing fixtures.
  • Standing water or soggy areas persist over the drainfield, or pumping reveals rapid solid buildup near the outlet.
  • You're unsure of tank size, access locations, or recent changes to water use that could overload the system.
  • Any crack, misalignment, or corrosion is detected on lids or pipes; a professional should evaluate integrity and perform a pumped inspection with a system health check.

Resources

Cost Expectations for Septic Services in Whitelaw

Septic Tank Pumping and Routine Maintenance

  • What this includes: removing accumulated sludge and scum from the tank, inspecting baffles or tees, verifying proper inlet/outlet flow, and checking for signs of root intrusion or standing water around the tank. In Whitelaw, cold winters can affect accessibility and scheduling, so many crews offer seasonal slots when ground is workable.
  • Typical Whitelaw cost: about $250–$450 for a standard 1,000-gallon tank. Larger tanks or complex setups (such as restricted access or ATUs) can run higher.
  • Notes: regular pumping every 3–5 years is common, but your usage, tank size, and local soil conditions may shorten or extend that interval. See Wisconsin DNR guidance on OWTS maintenance for reference:

Septic System Inspections for Real Estate and Ownership Checks

  • What this includes: a thorough on-site inspection of the septic tank lid and access, baffles, inlet/outlet pipes, the drain field condition, and a summary report. Often used for real estate transactions or annual homeowner maintenance reviews.
  • Typical Whitelaw cost: $150–$350 depending on tank size and complexity; reports can add a small fee.
  • Local context: Manitowoc County health guidelines may influence required documentation during a sale. For county-level information, see the Manitowoc County Health Department site and state resources: and

Septic System Installation or Replacement

  • What this includes: system design based on soil, site constraints, and local codes; permitting, trenching, tank placement, and field installation. In Whitelaw, cold winters and variable groundwater levels can affect site work and timing.
  • Typical Whitelaw cost: conventional systems generally $6,000–$20,000; more complex systems (mound, ATU, or specialty designs) often $15,000–$40,000 or more.
  • Resources: Wisconsin DNR onsite wastewater guidance and installer licensure requirements. See https://dnr.wi.gov/topic/WaterQuality/Onsite.html and https://dsps.wi.gov/Pages/Professions/OnsiteWastewater/Default.aspx

Aerobic Treatment Unit (ATU) Service and Replacement

  • What this includes: routine service for ATU systems (maintenance of aerators, pumps, alarms, and clarifiers), plus any required parts replacement; cleaning and system checks are common during annual service.
  • Typical Whitelaw cost: annual maintenance generally $300–$700; complete ATU replacement often $2,000–$6,000, depending on model and site.
  • Local relevance: ATUs are common in tougher soils or where space constraints prevent conventional drain fields. See state guidance on onsite wastewater technologies: https://dnr.wi.gov/topic/WaterQuality/Onsite.html

Lift Stations and Grinder Pumps

  • What this includes: inspection and servicing of submersible pumps, float switches, and control panels; replacement of worn components or failed seals.
  • Typical Whitelaw cost: service calls $150–$300; pump replacement $500–$2,000+ depending on the unit and installation.
  • Why it matters locally: properties with lower-lying lots or heavy clay soils may rely on these to move effluent to the drain field.

Cesspool Decommissioning and Abandonment (if applicable)

  • What this includes: safely abandoning an old cesspool, filling with clean fill, and sealing access to prevent groundwater intrusion.
  • Typical Whitelaw cost: $2,000–$5,000, depending on access and site conditions.
  • Context: Wisconsin emphasizes proper closure of nonconforming wastewater systems.

Soil Tests and Perc Tests for New Installations

Manitowoc County Health Department resources and local permitting requirements can influence costs and timelines in Whitelaw. For broader regulatory context, see: https://www.co.manitowoc.wi.us/ and http:// Wisconsin DNR onsite wastewater program: https://dnr.wi.gov/topic/WaterQuality/Onsite.html