Septic in Ironton, MN

In Ironton, you can practically hear the pragmatism in the air—busy summers, a friendly neighborhood vibe, and a landscape that reminds you why practical home care matters. When you're rolling up your sleeves to maintain a house here, a reliable septic system is part of the daily for many neighbors, especially outside the core streets where sewer lines don't always reach.

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

Yes. In Ironton, septic systems are common for single‑family homes that aren't tied into a municipal sewer line. If you're buying a property or you own a home on a rural lot or on the outskirts of town, you should expect a septic system in place—or a septic plan in the works. In newer developments closer to town, a sewer connection is more likely, but the vast majority of older and semi‑rural homes rely on their own septic system. It's a good assumption to make and a smart part of your home's maintenance plan to verify.

Why homes typically use septic systems in Ironton

• Rural development patterns: Many Ironton homes sit away from centralized sewer service, so a private septic system is the practical, cost‑effective way to handle household waste.
• Local soil and groundwater realities: Soil types, drainage, and the water table influence system design and longevity. A properly designed septic system respects these conditions to protect your home and your neighbors' wells.
• Private water supplies: Most homes here rely on individual wells. Septic systems pair well with well water when installed and maintained correctly, helping prevent contamination and ensuring clean water for your family.

High‑level explanation: why septic exists here

Minnesota's landscape and development history foster a reliance on septic where sewers aren't feasible. In Ironton, cooler temperatures, seasonal freeze/thaw cycles, and the mix of soil types mean a well‑designed septic system—often a cluster of components including the tank, distribution, and drain field—helps manage household waste safely underground. The system is engineered for the local climate and terrain, with regular maintenance to keep things functioning through freeze years and wet seasons.

What this means for you as a homeowner

• Regular maintenance matters: scheduled pumping, inspections, and noticing early warning signs protect your investment.
• Know where it sits: locate the septic tank and field, and keep heavy objects and vehicles off the area.
• Plan for the long term: as Ironton grows, some properties may transition to sewer service; be prepared to adapt with replacements, upgrades, or connections if they become available.

In the pages ahead, you'll find practical tips, trusted local contractor guidance, and straightforward steps to keep your Ironton septic system reliable and safe.

Where Septic Systems Are Common in Ironton

Local geography and sewer boundaries

In Ironton, most homes that aren't connected to a city sewer rely on septic systems. The town's footprint and surrounding rural areas were developed over decades with properties that often sit on individual lots or parcels large enough to support on-site wastewater treatment. Because extending centralized sewer lines to every property is costly, many residential properties outside the sewer service area use conventional septic systems or alternate designs suited to local soils and groundwater conditions.

Where in Ironton you're likely to see septic

• Rural residential parcels outside the city limits: These lots typically use septic because municipal sewer is unavailable or impractical to extend.
• Older neighborhoods near the outskirts: Homes built before sewer mains were added or extended frequently rely on on-site systems.
• Seasonal or secondary homes: Cabins and cottages in the area often operate on septic when no sewer connection is present.
• fringe and lake-adjacent blocks with limited sewer access: In parts where development happened prior to centralized sewer in the region, septic remains common.

Why septic is common here

• Cost and feasibility of extending sewer: Building and maintaining a local sewer system across dispersed rural parcels can be expensive and time-consuming.
• Lot size patterns: Many Ironton-area lots are or were configured in ways that accommodate a septic field without conflicting with wells, driveways, or structures.
• Regulatory structure: Property owners are typically responsible for installing, maintaining, and pumping septic systems with oversight from county or state environmental health programs when needed.

Soil and site considerations that influence septic use

• Soil variability: The Ironton area features a range of soil types. Some soils drain well and support conventional septic systems, while others require adapted designs (such as mound systems) or protective setbacks.
• Groundwater and bedrock: Shallow groundwater or bedrock can affect system placement and performance, prompting local designs that ensure proper effluent treatment and splash/overflow protection.
• Slope and drainage: Sloped lots or limited drainage areas may necessitate specialty designs to prevent surface runoff or sewer backups.

How to confirm septic status for your property

• Check with local authorities: Contact St. Louis County Environmental Health or the City of Ironton to verify whether your property is on sewer or septic.
• Review property records: Look up permits or on-site wastewater system records tied to your lot.
• Schedule a professional assessment: If you're buying a home or planning improvements, a licensed septic inspector can confirm system type, condition, and replacement needs.

Quick reference steps for homeowners (septic-focused)

1. Confirm whether your property uses septic or municipal sewer.
2. If septic, identify system type, age, and pumping schedule from records or an inspector.
3. Plan regular maintenance: pump every 3–5 years (or as advised by a professional) and avoid putting hazardous substances into the system.
4. Keep records: maintain a file of inspections, pump dates, and repairs for resale and compliance.

Official resources for Ironton homeowners

• Minnesota Pollution Control Agency (MPCA) – Onsite wastewater treatment systems:
• Minnesota Department of Health (MDH) – Onsite wastewater information and guidance:
• U.S. Environmental Protection Agency (EPA) – septic systems overview and homeowner tips: https://www.epa.gov/septic

Septic vs Sewer: What Homeowners in Ironton Should Know

How septic systems work in Ironton

Most Ironton homes that aren't on municipal sewer rely on a private septic system. A typical setup includes a buried septic tank that receives wastewater from your home. Solids settle to the bottom, scum rises to the top, and clarified gray water exits to a drainfield where soil and microbes treat it. A properly designed, installed, and maintained system can last decades, but it needs regular attention to stay effective in Minnesota's freeze-thaw climate.

Sewer vs septic: key differences

• Ownership and responsibility
  • Septic: you own and care for the system on your property.
  • Sewer: the city or township owns and maintains the sewer mains and connections.
• Maintenance expectations
  • Septic: periodic pumping, inspections, and careful use of water and household chemicals.
  • Sewer: the utility handles most maintenance; your focus is paying bills and monitoring for alerts.
• Costs to expect
  • Septic: pump every 3–5 years, plus occasional repairs or replacement years down the line (can range widely by lot size and soil).
  • Sewer: regular utility bills; potential connection fees if a project or service changes; occasional rate adjustments from the city.
• Space and connection
  • Septic: requires space on your property for the tank and drainfield.
  • Sewer: requires connection to the municipal sewer main if available in your area.
• Environmental considerations
  • Both systems benefit from careful water use, proper waste disposal, and minimizing chemicals that can disrupt treatment or groundwater.

Costs and ongoing maintenance

• Septic system basics
  • Pumping frequency: typically every 3–5 years.
  • Common service costs: pumping visits, tank inspections, and potential drainfield repairs.
  • Red flags: backups, gurgling sounds, soggy or unusually green yard areas over the drainfield, or strong septic odors.
• Sewer system basics
  • Ongoing monthly or quarterly sewer bills.
  • Possible fees for new connections or upgrades if your home is being connected or reconnected to the system.
  • Red flags: sewer backups in the home, repeated plumbing problems, or notice from the utility about maintenance.

Local considerations for Ironton homeowners

• Climate: Minnesota winters affect septic performance; protect the drainfield from snow cover and ensure proper drainage around the tank access lids.
• Property layout: ensure easy access for pumpers and inspectors; mark the tank and lines so future work is straightforward.
• Water use habits: spread out laundry and dishwasher loads, use water-efficient fixtures, and avoid flushing solids, chemicals, or grease that can clog or impair the system.

Signs you should get your system checked

• Sluggish drains or frequent backups
• Pungent odors around the house or yard
• Soggy, lush, or spongy areas above the drainfield
• Standing water or damp soil near the septic tank access
• Gurgling sounds in plumbing after use

What to do if you're on sewer or on septic (simple steps)

1. Confirm your status with the local authority (city or county) and obtain any records or permits.
2. For septic: schedule a professional septic pump and inspection; keep records of pump dates.
3. For sewer: review your latest utility bill and any notices about maintenance or rate changes; plan for ongoing monthly costs.
4. Practice preventive care: use water efficiently, dispose of only toilet paper in toilets, and keep nonbiodegradable items out of drains.

Official resources

• Minnesota Pollution Control Agency: Septic Systems

• Minnesota Department of Health: Septic Systems

• U.S. Environmental Protection Agency: Onsite Wastewater

Typical Septic System Types in Ironton

Conventional gravity septic systems

In Ironton, many homes rely on conventional gravity systems when soil and site conditions are favorable. This traditional layout uses a buried septic tank to separate solids from liquids, with a drainfield (leach field) where clarified effluent percolates through the soil.

• Components: septic tank, distribution box, perforated drainfield laterals, and trenches.
• How it works: Wastewater enters the tank; solids settle and scum forms. Liquid effluent exits to the drainfield by gravity, where soil biology cleans it before it reaches groundwater.
• When to use: Best with moderately permeable soil, adequate depth to groundwater, and enough space for a drainfield.
• Pros: Simple design, fewer moving parts, generally lower upfront cost.
• Cons: Performance drops if soil is overly sandy, clayey, or rapidly fluctuating water tables; requires enough space for a proper drainfield.
• Maintenance (starter steps):
  1. Have the tank pumped every 2–3 years, or per your designer's recommendation.
  2. Schedule regular inspections of the drainfield for signs of failure (wet spots, odor, lush vegetation over the area).
  3. Limit heavy loads (fats, oils, garbage disposals) and protect the drainfield from compaction.

Pressure distribution and mound systems

If soil is shallow, has a high water table, or is otherwise unsuitable for a standard drainfield, a pressure distribution or mound system may be used.

• What it is: A pump and network of small-diameter laterals to distribute effluent evenly. A raised mound of soil is built above the native soil to supply necessary absorption.
• How it works: A pump (or siphon) delivers effluent under pressure to buried perforated lines or to a raised mound where soil treatment occurs.
• Pros: Allows disposal in challenging soils; more uniform distribution reduces the risk of overloading a single area.
• Cons: More components (pump, controls, monitoring) and higher maintenance; often higher installation costs.
• Maintenance notes: Keep the lift/pump system accessible; protect system from freezing and damage; monitor for rising water or surfacing effluent.

Aerobic treatment units (ATU) and advanced treatment

ATUs provide enhanced treatment by aerating wastewater and promoting beneficial bacteria, then dispersing treated effluent to a drainfield or spray/distribution system.

• Why Ironton homeowners choose ATUs: Useful where soils are poor, tight, or annually saturated; can meet stricter discharge standards.
• What to expect: Regular service by a licensed technician, replacement of aeration components as needed, and periodic effluent quality checks.
• Pros: Higher level of treatment; can reduce demand on a marginal drainfield.
• Cons: Higher ongoing maintenance and energy use; potential for more complex failures.
• Maintenance steps: Follow manufacturer and local health department guidance for service intervals; avoid power interruptions and keep vents clear.

Sand filters and other treatment options

When conventional systems aren't feasible, pretreatment devices like sand filters or other treatment units can be used to improve effluent quality before disposal.

• How they work: Effluent is pre-treated in a chamber or bed (often with sand) to remove additional solids and organic load prior to reaching the drainfield.
• Pros: Can extend life of marginal soils; provides treated effluent closer to regulatory targets.
• Cons: Requires space for the filter bed and routine maintenance.
• Maintenance: Regular inspections, filter media checks, and keeping vegetation away from the system edges.

Holding tanks and seasonal or specialty setups

Holding tanks may be used in limited situations (seasonal homes, properties without a suitable drainfield, or during rapid property renovations) where traditional disposal isn't possible.

• How they work: Wastewater is collected in a sealed tank and pumped out periodically.
• Pros: Flexible for unique sites; no drainfield required on arrival.
• Cons: Requires regular pumping; odor and odor-control considerations; not a long-term disposal solution in many jurisdictions.
• Steps to consider: Confirm local approvals, plan a pumping schedule with a licensed contractor.

Site-specific notes for Ironton

• Local soil and groundwater conditions drive system choice. Always work with a licensed septic designer and your local health department.
• Always perform a proper site evaluation and percolation test when planning a system.
• Protect the drainfield from compaction, heavy equipment, and tree roots.

Official resources:

• Minnesota Department of Health — Onsite Wastewater Treatment Systems:
• Minnesota Pollution Control Agency — Septic Systems:
• University of Minnesota Extension — Onsite Waste Water Systems:

Common Septic Issues in Ironton

Drainfield Saturation and Failure in Ironton

• What it looks like: slow drains, toilets backing up, strong sewage odors in the yard, and wet spots or lush, unusually green patches over the drainfield.
• Why Ironton-specific: spring snowmelt and a relatively high groundwater table in many areas can keep soils saturated longer than in drier regions. Proximity to lakes and higher seasonal moisture also increase the risk of surface water and groundwater infiltration reaching the leach field. Clay-rich soils or perched water zones common in some Ironton properties reduce the soil's ability to absorb effluent.
• What you can do:
  1. Conserve water and avoid heavy flushing or long showers while you arrange service.
  2. Schedule a licensed septic contractor assessment to determine whether the drainfield is oversized, failed, or in need of alternative design (e.g., mound system or aerobic treatment unit).
  3. Have the tank pumped if solids buildup is evident, but address the drainfield issue first to prevent repeated overloading.
  4. Consider soil testing or percolation tests in the design process.
• Resources: MPCA on-site wastewater guidelines: Minnesota Department of Health septic guidance:

Freezing and Frost-Related Problems

• What it looks like: pipes in the septic tank or distribution box that freeze, reduced drainage in winter, or frost heave lifting lids.
• Why Ironton-specific: Minnesota winters create longer periods of frozen soil, and shallow septic components are more susceptible in older or poorly sited systems. Snow cover can mask ground issues until spring, delaying diagnosis.
• What you can do:
  1. Ensure access lids are sealed and insulated and keep the area around the tank clear during winter for maintenance access.
  2. Have a pro inspect venting and the distribution box before the ground thaws to prevent a surge of frozen material when the soil warms.
  3. Plan seasonal pumping and ensure the pump chamber, if present, is protected from frost.
• Resources: EPA septic basics:

Aging or Inadequate System Design

• What it looks like: frequent pumping without long-term improvement, repeated backups, or visible drainfield distress.
• Why Ironton-specific: older homes may have undersized tanks, insufficient effluent capacity for modern water usage, or drainfields that were not properly designed for current lot conditions (soil type, slope, and water table influence). Seasonal moisture can reveal deficiencies earlier in the system's life.
• What you can do:
  1. Have a licensed designer evaluate current wastewater flow versus original design.
  2. Explore upgrading components (larger tank, effluent filter, or alternative drainfield design) if the property warrants it.
  3. Maintain a regular pumping schedule and install an effluent filter to reduce solids entering the drainfield.
• Resources: Minnesota MDH and MPCA resources above; EPA septic overview: https://www.epa.gov/septic

Poor Maintenance Habits and High Solids Load

• What it looks like: frequent pumpouts, solids reaching the leach field, or use of garbage disposals increasing solids.
• Why Ironton-specific: colder months encourage shorter use of water but longer periods when people might use disposals or wash large loads, stressing the system if maintenance falls behind.
• What you can do:
  1. Limit garbage disposal use; stream solids with care and avoid flushing non-biodegradable items.
  2. Schedule regular professional pumpouts every 3–5 years (or as recommended for your system) and inspect filters and pumps.
  3. Keep fats, oils, and grease out of the septic system.
• Resources: MPCA and MDH guidelines linked above

Surface Water and Runoff Management

• What it looks like: water pooling around the drainfield, surface drainage directed toward the system, or flooded yards during spring melt.
• Why Ironton-specific: irregular surface grading and frequent runoff can saturate the drainfield and introduce contaminants into groundwater or nearby waters.
• What you can do:
  1. Regrade to direct runoff away from the septic area.
  2. Install proper swales or contour fencing to keep surface water out of the absorption area.
  3. Use gutters and downspouts to shed roof water away from the system.
• Resources: MDH guidance on protecting septic systems from surface water: https://www.health.state.mn.us/communities/environment/water/septic/index.html

Useful resources (official guidance)

• Minnesota Pollution Control Agency (Septic Systems): https://www.pca.state.mn.us/waste/septic-systems
• Minnesota Department of Health (Onsite Wastewater / Septic Systems): https://www.health.state.mn.us/communities/environment/water/septic/index.html
• U.S. EPA Septic Systems Overview: https://www.epa.gov/septic

Septic Inspection, Permits & Local Oversight

Who issues permits in Ironton, MN

• In Ironton, septic permits are typically handled by the local county environmental health office or by the city if it operates its own health department. For most properties in St. Louis County, that means checking with St. Louis County Environmental Health to confirm who issues your OST/Sewage System permit.
• Before you start any work, make a quick call to your permit authority to confirm required forms, fees, and the exact permit scope (new system, replacement, or modification).

Permits you might need

• New system installation or replacement of an existing OST
• Major system repairs or changes to drainfields, tanks, or leachate lines
• Decommissioning an old system and installing a replacement
• Additions or renovations that increase wastewater load
• Documentation requirements often include: site plan, septic system design, soil evaluation results, and a construction plan

What to have ready

• Property address and parcel number
• Property setbacks and lot features (soil type, slope, trees, driveways)
• A licensed designer or installer if your project requires one
• Any soil test reports or percolation results (P&T or MSHSA evaluations)

The inspection process

• Step 1: Plan review and permit application
  • Submit project details, site plan, and any design documents to the local permit authority.
  • Pay applicable fees; you'll receive a permit card or approval notice.
• Step 2: On-site inspections during installation
  • The inspector checks setbacks, tank placement, baffle integrity, soil conditions, and adherence to the approved design.
  • Any deviations require corrective action before proceeding.
• Step 3: Final inspection and close-out
  • After installation, a final inspection confirms the system is operational and properly documented.
  • You'll receive final approval and any maintenance or operation notes to keep with the system records.

Real estate transfers and inspections

• Real estate transactions in Minnesota often involve a septic system assessment, but requirements vary by county and city.
• What to do:
  1. Check with the local permit authority about whether a transfer inspection is required.
  2. Hire a licensed septic inspector to prepare a current system condition report.
  3. Share pumping records, maintenance history, and the inspector's report with the buyer and their lender if needed.

Operating and maintenance considerations

• Most systems require periodic pumping every 3–5 years, depending on tank size and household wastewater load.
• Keep a simple maintenance log: pumping dates, service visits, and any repairs.
• Avoid flushing non-degradable wipes, chemicals, or solvents; these can disrupt beneficial treatment processes.
• Schedule regular O&M inspections if your local program requires them, and be aware of any state-mandated reporting for real estate transfers.

Helpful resources

• Minnesota Pollution Control Agency (MPCA) On-site Wastewater Treatment Systems (OSTS) program:
• Local permit inquiries (St. Louis County Environmental Health or your city hall for Ironton): use the MPCA page above to locate your local office contact and requirements
• For property transfers and inspector directories, check with your county or city environmental health office to confirm current local procedures and any transfer-report forms.

Septic Maintenance for Homes in Ironton

Ironton-specific climate and soils

• Ironton's cold winters and annual freeze-thaw cycles affect septic systems. Frost heave can shift components if the system isn't properly protected.
• Spring moisture and variable soils (glacial deposits with clay or compacted zones) can slow drainfield drainage. A drainfield that sits in poorly drained soil is more susceptible to backups after heavy snowmelt.
• Many Ironton lots are moderately sized with varied soil depths. That means keeping the drainfield appropriately spaced from trees, driveways, and foundations is key to long-term performance.

Regular maintenance checklist for Ironton homes

1. Pump every 3–5 years (or as recommended by a licensed pro) based on tank size, household size, and actual water usage.
2. Schedule an inspection at pumping to verify baffles, tees, and inlet/outlet pipes are intact.
3. Keep a simple maintenance log:
   • pump date, tank size, contractor notes, and any repairs
   • record monthly average water use to help predict service needs
4. Protect the drainfield area:
   • forbid heavy equipment or vehicle parking on the leach field
   • plant only shallow-rooted grasses; avoid trees with aggressive roots nearby
   • prevent surface water from pooling over the drainfield
5. Use water wisely year-round:
   • fix leaks promptly
   • install high-efficiency fixtures
   • stagger high-water-use activities (laundry, dishwashing) if you have a smaller tank

Drainfield care tailored to Ironton soils

• In Ironton, soils can be slow to drain, especially after freeze-thaw cycles. A professional can confirm if a mound or conventional drainfield is appropriate for your property.
• Soil testing and percolation tests help determine the right drainfield design. If percolation is slow, a larger drainfield or alternative treatment system may be needed.
• Do not treat your septic system like a garbage disposal. Fats, oils, greases, solvents, paints, or harsh cleaners can kill beneficial bacteria and clog the soil filters.

Seasonal considerations in Ironton

• Winter: ensure access lids are visible and not buried under snow; avoid adding ice melt products into the system.
• Spring: watch for surface damp spots or unusually lush grass over the drainfield—these can indicate issues that deserve a pro inspection before the growing season.
• Summer: hot, dry spells don't directly harm the system, but water-saving measures become important if groundwater is high or drainage is slow.

When to call a licensed professional

• Backups, gurgling sounds, or sewage odors inside the home
• Drainfield surface appears oversaturated, with persistent wet spots or foul smells
• Water bills spike without a clear reason or after heavy rainfall
• Routine pumping reveals cracks, loose lids, or damaged baffles
• You're planning major site changes (adding a garage, pool, or significant landscaping) that could affect drainfield location or function

Helpful resources and references

• Minnesota Pollution Control Agency (MPCA) – Onsite Wastewater Systems:
• Minnesota Department of Health (OSTS) – Onsite Wastewater:
• Local guidance and permits (check with Ironton city offices or Carlton County health/land-use departments for specific local requirements)

Cost Expectations for Septic Services in Ironton

Septic Tank Pumping and Cleaning

• What it includes: removing sludge and scum from the tank, solids disposal, and a basic check of the tank's condition and any pumps/alarms if present.
• Ironton-specific considerations: Ironton's cold winters and clay-heavy soils can contribute to backup risk. Accessible, snow-free access to the tank lid can affect scheduling and costs.
• Typical cost in Ironton: $250–$500. Disposal fees may apply based on local rates.
• Steps to prepare (brief):
  1. Clear access to the lid; 2) Park away from the lid; 3) Note any backups or household changes (recent use, high water).

Septic System Inspection and Certification

• What it includes: visual system inspection, tank level checks, baffle/cover condition, pump/alarm function, and a written report; often used for real estate transactions.
• Ironton-specific considerations: lenders and buyers in Ironton frequently require a current inspection; in rural or hillside parcels, extra time may be needed for access.
• Typical cost in Ironton: $100–$250.
• Steps to prepare:
  1. Provide any prior inspection reports; 2) Ensure access to the septic tank and distribution box; 3) Request a written summary for records.

Drain Field Evaluation and Soil Testing

• What it includes: soil percolation tests or soil profile evaluation, drain-field design considerations, and a recommended replacement or upgrade plan if the current field is failing.
• Ironton-specific considerations: Glacial soils, clay pockets, and occasional bedrock in the area can require deeper evaluation and sometimes a more robust or alternative field design.
• Typical cost in Ironton: $500–$2,000.
• Steps to prepare:
  1. Identify parcel boundaries and existing system components; 2) Allow access for test holes or probes; 3) Obtain any required local permitting.

Drain Field Repair or Replacement

• What it includes: trenching or replacement of leach fields, piping, gravel, and restoration of the absorption area; may involve abandoning old lines and installing controls or monitoring wells.
• Ironton-specific considerations: soil conditions and winter weather can extend timelines and drive up costs; some properties may require mound or spray irrigation designs if native soils are unsuitable.
• Typical cost in Ironton: $5,000–$15,000 (more for extensive replacements or complex designs).
• Steps to prepare:
  1. Confirm permits and access routes; 2) Plan for irrigation of disturbed areas after installation; 3) Expect seasonal delays in winter months.

Septic Tank and Onsite System Installation (New or Replacement)

• What it includes: system design, permits, excavation, tank installation, field installation, backfill, and final inspection; may include rock, gravel, and venting components.
• Ironton-specific considerations: local soils and climate can necessitate alternative systems (e.g., mound systems) and careful seasonal scheduling; close coordination with the county and MDH/MPCA is common.
• Typical cost in Ironton: $15,000–$40,000.
• Steps to prepare:
  1. Secure site and setbacks information; 2) Obtain design approval and permits; 3) Schedule installation in dry, workable seasons.

Minor Repairs and Emergency Services

• What it includes: replacing pumps, floats, alarms, lids, or minor piping fixes; sometimes rapid response to backups or overflows.
• Ironton-specific considerations: cold weather emergencies can limit access and extend on-site time; some crews may charge travel or after-hours fees.
• Typical cost in Ironton: $150–$1,000 (larger repairs or replacement components can exceed this range).
• Steps to prepare:
  1. Note symptoms (gurgling, backups, damp yard spots); 2) Stop use and avoid pumping until service arrives if advised; 3) Have model or serial numbers for pumps/controls ready.

Official resources

• Minnesota Department of Health – Onsite Wastewater (OWTS) Program:
• Minnesota Pollution Control Agency – Onsite Wastewater: