Septic in Martin, MI

Last updated: Mar 21, 2026

Martin, Michigan sits a little off the main highway where farm fields meet lakeside woods, and that quiet, practical spirit is exactly why many homes here rely on a private septic system to treat household wastewater. It's a reliable, low-profile setup that keeps everyday living comfortable without the need to hook into distant sewer lines. Welcome—I'm glad you're here. As a local septic contractor who helps neighbors across Martin, I want you to feel confident about the basics and the path ahead.

Is septic common in Martin? Should I expect septic if I own or buy a home? Yes—septic is the norm for many Martin neighborhoods. Municipal sewer service isn't guaranteed on every street, and a lot of houses sit on private lots where a septic system is the practical foundation for daily life. If you already own a home, chances are you're maintaining a system that's quietly doing its job. If you're shopping for a home, expect to encounter a septic system, and plan for a professional septic inspection as part of your due diligence. A local pro can explain the tank size, the drain field layout, and any signs of wear you should watch for.

Why homes typically use septic systems in Martin? Because we live in a place where land and water safety matter, and extending sewer mains across scattered parcels isn't always economical. A well-maintained septic system provides on-site wastewater treatment, helps neighbors stay on good terms, and avoids the high cost of bringing sewer service to rural lots. The high-level idea is simple: wastewater flows into a buried tank, solids settle, liquids move to a drain field where soil and naturally occurring bacteria finish the job, and with proper care it can last for decades.

High-level explanation (why septic exists here): In Martin, private wells and a mix of older and rural homes were built with on-site systems as the practical, affordable approach. Modern codes emphasize regular inspection, periodic pumping, and responsible use to protect groundwater and the surrounding soil. Regular maintenance is the key to reliability and longevity.

Here, you'll find practical guidance from a neighbor who's lived in the area, understands local soils and regulations, and knows common issues inside and out. If you're unsure about a specific property, we'll help you ask the right questions and plan the next steps.

Where Septic Systems Are Common in Martin

Map of septic coverage in Martin, MI

Rural, agricultural, and fringe residential areas

  • The vast majority of homes outside centralized sewer lines rely on septic systems. Martin's rural character means many properties were developed with private wastewater treatment in mind from the start.
  • Larger lot sizes and farm-adjacent parcels make septic a practical, cost-effective choice for wastewater disposal.
  • In practical terms, you'll find septic systems on farms, wooded lots, and newer subdivisions where public sewer hasn't been extended.

Neighborhoods and land use patterns

  • In the village core or areas where sewer mains exist, you may see homes connected to municipal sewer. Outside those zones, septic remains the standard.
  • Older homes that predate public sewer infrastructure often have conventional septic tanks with absorption fields, while newer rural builds may use mound or alternative systems to fit the site.
  • Mixed-use pockets (homes, small businesses, seasonal properties) still rely on septic where sewer access isn't available or cost-effective to extend.

Soil, geology, and water considerations

  • Soil type strongly influences system design. Martin's soils range from sandy loam to heavier clays, which affects drainage, tank sizing, and drainfield placement.
  • Depth to groundwater and bedrock matter. Areas with a high water table or shallow bedrock may require elevated or specialty systems (such as mound or advanced treatment designs) to meet code requirements.
  • Seasonal conditions (flooding risk, frost depth) can affect inspection schedules and maintenance planning. Local health rules require soil evaluations and percolation testing before installation.

Why these conditions support septic use in Martin

  • Practical expansion: Extending municipal sewer across rural areas is costly and sometimes impractical, making private systems the default for many properties.
  • Local regulations: County health departments typically require soil testing, proper setbacks, and regular maintenance, which aligns well with the existing rural pattern.
  • Property economics: For many homeowners, septic systems continue to be a sensible long-term wastewater solution given land use and infrastructure layouts in Martin.

What this means for homeowners in Martin

  • Expect that most homes you encounter outside the city center operate on septic systems, and plan accordingly for maintenance and inspections.
  • Maintenance realities include regular pumping, annual inspections, and timely repairs when issues arise to protect groundwater and your system's lifespan.
  • Determine sewer access
  • Contact the Allegan County Health Department or your municipality to confirm whether public sewer is available to your property line.
  • Get a professional assessment
  • Hire a licensed septic designer or contractor to locate your current system, evaluate soil conditions, and review potential upgrades if you're expanding or remodeling.
  • Plan for maintenance
  • Schedule routine pumping every 3–5 years (more often for households with heavy use or with older tanks).
  • Keep records of all service visits, pump-outs, and any repairs.
  • Follow best practices
  • Space setbacks from wells, water lines, and buildings must be respected.
  • Avoid flushing non-biodegradable materials, fats, and chemicals that can disrupt the treatment process.
  • Consider site-specific designs
  • If your soil is challenging (heavy clay, high water table, shallow bedrock), you may need a mound system, dosing/monitoring ports, or enhanced treatment units. A qualified onsite wastewater professional can tailor the design to Martin's conditions.

Quick reference: official resources

  • Michigan EGLE – On-Site Wastewater Treatment Systems:
  • EPA – Septic Systems overview and tips:

Septic vs Sewer: What Homeowners in Martin Should Know

How a septic system works

In Martin, many homes rely on on-site wastewater treatment. A typical system has two main parts: a septic tank and a drainfield. Solids settle in the tank, where bacteria break down some of the waste. Oil and grease float to the top, forming a scum layer. Clearer liquid leaves the tank and flows to the drainfield, where soil and microorganisms finish the treatment. A well-functioning system depends on proper design, soil conditions, and regular maintenance.

  • Septic tank: stores solids and begins breakdown.
  • Drainfield: allows treated water to percolate through soil.
  • Soil and groundwater: provide the final polishing and protection of groundwater.
  • Freeze and climate: cold winters in Michigan can affect soil drainage and pumping schedules.

When Martin homes connect to sewer

Some neighborhoods or newer developments in Martin may be on public sewer, while many rural properties rely on septic. If you're on sewer, your home connects via a lateral line to the municipal system and you pay a monthly sewer bill rather than pumping or maintaining an on-site system.

  • Connection feasibility: check with your local utility or village/city authority.
  • Upfront costs: possible connection fees, street work, and upgraded plumbing in your home.
  • Ongoing costs: monthly sewer charges and maintenance managed by the utility.
  • If you stay on septic: you'll bear pumping and maintenance costs, plus any replacement or repair of the system components.

Costs and maintenance: septic vs sewer

Understanding long-term costs helps you plan. Each option has trade-offs.

  • Septic ownership:
    • Pump every 3–5 years (varies by tank size and household use).
    • Regular inspections by a licensed septic contractor.
    • Avoid flushing non-biodegradable items, grease, solvents, or harsh chemicals.
    • Water-saving practices extend system life (dispersed laundry, shorter showers, full loads).
  • Sewer ownership:
    • Monthly or quarterly sewer charges set by the local utility.
    • Fewer on-site maintenance tasks, but you're responsible for any local sewer line issues that arise near your property line.
    • Large-scale sewer problems are handled by the municipality, but outages or repairs can affect service.
  • If a septic fails:
    • Repairs can be costly and disruptive.
    • Timely pumping and proper usage help prevent failures.

Practical steps for Martin homeowners

  1. Confirm whether your property is connected to municipal sewer or on a septic system.
  2. If sewered, obtain details on rates, billing, and any planned utility work.
  3. If septic, schedule a baseline evaluation with a licensed septic contractor and plan a pumping/inspection rhythm.
  4. Create a simple maintenance plan: pack entries, limit chemical cleaners, and use water efficiently.
  5. If a conversion to sewer is being considered, contact the local authority early to understand permits, timelines, and costs.

Local considerations in Martin

  • Soil types and bedrock: soil suitability strongly influences septic performance; some parcels in Allegan County have soils that drain slowly or have high water tables.
  • Well separation and groundwater: maintain proper setbacks from wells and surface water features to protect drinking water.
  • Weather impact: Michigan winters can slow pumping schedules or require winterized access to tanks and leach fields.

Official resources

  • EPA: Septic Systems (Onsite Wastewater) — practical guidance and maintenance tips:

Typical Septic System Types in Martin

Conventional gravity septic systems

  • How they work: A buried septic tank collects solids; clarified effluent flows by gravity into an underground drainfield with perforated pipes in gravel-filled trenches.
  • When they're a good fit: Most homes with adequate soil depth, good percolation, and enough yard space.
  • Pros: Simple design, typically lower upfront cost, easy to repair or replace in standard soils.
  • Cons: Less effective in poorly draining soils or high groundwater; may require a larger drainfield on tight lots.

Mound systems

  • How they work: Built where native soils don't drain well or where the seasonal water table is near the surface. A raised "mound" of sand and aggregate sits above the ground, with a drainpipe network inside.
  • When they're a good fit: Shallow bedrock, high water table, or soils with very slow absorption.
  • Pros: Enables proper treatment where conventional systems won't, better performance in challenging soils.
  • Cons: Higher installation and maintenance costs; requires more space and careful design.

Sand filter systems

  • How they work: Effluent from the septic tank is pumped to a shallow underground sand bed where filtration and microbial action further treat wastewater before it leaches to the soil.
  • When they're a good fit: Sites with limited drainfield absorption or where extra treatment is needed.
  • Pros: Improved effluent quality, can work in marginal soils.
  • Cons: More complex to install and maintain; needs regular inspection and occasional media replacement.

Drip irrigation and pressure-dosed systems

  • How they work: Treated effluent is distributed through small-diameter tubing to "root zones" near landscape plants or trees, often under pressure.
  • When they're a good fit: Limited space, small lots, or soils that don't drain evenly.
  • Pros: Consumes less land than traditional drainfields; can integrate with landscape irrigation.
  • Cons: Higher energy use and more intricate maintenance; requires specialized components and monitoring.

Aerobic treatment units (ATU)

  • How they work: An onboard aerobic chamber adds oxygen to break down solids before the effluent goes to the drainfield or another treatment stage.
  • When they're a good fit: Challenging soils, limited drainfield area, or when higher-quality effluent is desired.
  • Pros: Higher level of treatment; can reduce drainfield size needs in some layouts.
  • Cons: Requires electricity, more frequent maintenance, and annual service checks.

Chamber systems

  • How they work: Replace traditional gravel trenches with modular plastic chambers that create wide, shallow absorption areas.
  • When they're a good fit: Moderate-to-large lots where space is a premium, or when quick installation is beneficial.
  • Pros: Lighter, easier to install, often cost-effective for certain sites.
  • Cons: Not universally allowed in all municipalities; must meet local code and soil conditions.

Which type is right for your Martin home?

  1. Check soil and groundwater conditions with a percolation test or site evaluation.
  2. Review local zoning and health department requirements for your lot size and slope.
  3. Compare upfront costs with long-term maintenance and replacement needs.
  4. Consider future changes in usage (renovations, added bedrooms, etc.).
  5. Consult a licensed septic designer or local health department to select a compliant option.

Maintenance basics you'll want to know:

  • Schedule regular inspections and pump-outs as recommended for your system type.
  • Conserve water to reduce load on the system.
  • Avoid flushing harsh chemicals, fats, oils, or nonbiodegradable items.
  • Protect the drainfield: keep vehicles off, prevent tree roots, and maintain landscape over the area.
  • Ensure access to lids, pumps, or service ports for future maintenance.

Official resources:

  • EGLE Onsite Wastewater Program (Michigan):

Common Septic Issues in Martin

Drainfield Saturation and Backups

Symptoms to watch for:

  • Slow drains, frequent clogs, and toilets backing up
  • Soggy, spongy areas or standing water over the drainfield
  • Persistent sewage odors around the house or yard

Why Martin users see this more often:

  • Spring thaw and heavy rainfall can raise the water table, making it harder for effluent to drain through the leach field
  • Some Martin properties sit on soils with slower percolation (often more clay-heavy in pockets), reducing field efficiency
  • Older systems may have undersized or deteriorating drainfields that struggle after years of use

What you can do (step-by-step):

  1. Cut water use during wet periods (spread laundry and dishes over the week, use water-efficient fixtures).
  2. Divert roof and outdoor drainage away from the drainfield; keep grading so runoff does not pool on the field.
  3. Inspect outdoor drainage and remove any materials that may block infiltration (compacted soil, debris).
  4. Schedule a septic pump-out if the tank is near or past the recommended interval; a pro can measure sludge and scum layers accurately.
  5. Have a licensed installer assess drainfield health and percolation rate; consider soil boring or a camera inspection to check for infiltration issues.
  6. If failure is confirmed, discuss alternatives with a professional (drainfield repair, replacement, or a treatment system upgrade).

Solid Waste Overload and Tank Damage

Symptoms:

  • Frequent pumping, cloudy or foul-smelling tank contents, or the pump running often
  • Solids visible in outgoing pipes or on the drainfield surface

Why it's common in Martin:

  • Homeowners may be using garbage disposals more than the system was designed for
  • Fats, Oils & Grease (FOG) and flushable wipes contribute to sludge buildup and vent clogging
  • Infrequent pumping on older systems allows solids to accumulate and reduce tank capacity

What to do:

  1. Limit solids: use the disposal sparingly, compost organics, and avoid flushing wipes (even "septic-safe" wipes).
  2. Have the septic tank pumped on a prescribed schedule by a licensed pro.
  3. Have the tank and baffles inspected for cracks or leaks; replace damaged components.
  4. Keep the effluent filter clean if your system has one; replace if degraded.
  5. Maintain a written maintenance plan and reminder schedule.

Symptoms:

  • Pipes or access lids near the surface feel unusually cold; intermittent backups during cold snaps
  • Cracked lids or exposed plumbing in unheated areas

Why Martin sees this:

  • Harsh Michigan winters and shallowly buried lines in some properties raise frost risks
  • Snow cover and freezing of uninsulated lines can disrupt flow and venting

What to do:

  1. Insulate exposed pipes and tank lids; ensure the aerobic or anaerobic components are protected from cold winds.
  2. Avoid driving or parking heavy loads over buried tanks and lines to prevent settling and cracks.
  3. Keep vents clear and ensure proper venting of the system; never seal vent pipes.
  4. In cold months, stagger heavy water use to prevent sudden pressure changes.

Root Intrusion and System Damage

Symptoms:

  • Slow drainage following wet seasons, frequent backups, or roots visible near the septic area

Why Martin's landscape invites this:

  • Mature trees and shrubs commonly planted near properties can extend roots toward tanks and lines
  • Tree roots are attracted to moisture-rich soils around septic components

What to do:

  1. Schedule a camera inspection to identify root intrusion and damage.
  2. Remove offending roots and install root barriers or relocate landscaping away from the system.
  3. Consider upgrading to more resilient components if roots are severe.

Seasonal Use and Water Use Patterns

Symptoms:

  • Clogs after long periods of inactivity; odors when the system awakens after winter

Why it matters here:

  • Many Martin homes are seasonal cottages or weekend properties; long gaps between uses allow solids to settle and bacteria to weaken

What to do:

  1. Pump and inspect before reopening for the season.
  2. Establish a routine maintenance plan even during non-use periods (minimal water shutoffs, controlled use).
  3. Use low-flow fixtures and evenly distribute heavy loads when the system is in use.

Groundwater and Soil Conditions Unique to Martin

Notes:

  • Local soils vary; some plots have perched or high water tables, while others have slower-percolating clays
  • Wetlands nearby can influence drainage and drainfield performance

What homeowners can do:

  1. Get soil and site evaluations from a licensed septic professional when purchasing or renovating a property.
  2. Plan drainfield placement with consideration for seasonal water table fluctuations.

Official resources:

  • EPA septic systems overview:
  • Michigan state guidance (On-Site Wastewater Program):

Septic Inspection, Permits & Local Oversight

Who oversees septic systems in Martin, MI

  • In Martin (Allegan County), the local health department is the primary permit authority for on-site wastewater systems (septic). They ensure designs meet state and local standards and oversee inspections during installation and after completion.
  • Michigan's environmental agency, the Department of Environment, Great Lakes, and Energy (EGLE), sets statewide rules, maintains the code framework, and coordinates with local health departments. See EGLE for official guidelines and program details: (search for Onsite Wastewater or OSSDS)

Septic Maintenance for Homes in Martin

Understanding Martin-specific conditions

Martin sits in a region where soil types can vary from sandy loam to areas with heavier clay, and groundwater can be relatively close to the surface in wet seasons. This means drainfields in Martin are often more sensitive to wet spells and high water tables. The Mi climate also brings cold winters and freeze-thaw cycles that can affect seasonal drainage and sump discharge. Key Martin-specific considerations:

  • High water table and wet springs can slow drainage and lead to surface sogginess over the drainfield.
  • Private wells are common, so protecting groundwater quality from septic effluent matters.
  • Snow cover and ice can mask drainage issues; regular inspection is important once the ground thaws.

Regular inspections and pumping schedule for Martin homes

A proactive routine keeps Martin systems healthy and reduces unexpected failures.

  1. Schedule pumping every 3–5 years for typical family use; homes with many occupants or frequent disposal of solids (garbage disposal, flushable wipes) may need more frequent pumping.
  2. Maintain an up-to-date diagram of the septic tank and drainfield layout. This helps any contractor locate components quickly, especially in yards with seasonal landscaping.
  3. Keep records of all maintenance, pumping dates, and inspections to spot long-term trends.
  4. Have a licensed septic professional perform inspections before purchasing a home in Martin or after substantial changes in water use.
  5. Use only septic-safe products and avoid chemical drain cleaners that can harm the microbial balance in the tank.

Drainfield care and soil conditions in Martin

The drainfield is the heart of your system; preserving soil and root integrity prevents failures.

  • Do not drive or park on the drainfield area. Compaction reduces soil porosity and slows absorption.
  • Plant only shallow-rooted, non-invasive vegetation near the leach field; avoid trees or shrubs with aggressive roots nearby.
  • Put a clean, dry layer of soil over the drainfield after digging or repairs to prevent soil erosion and discourage washout during heavy rains.
  • Avoid heavy fertilizer or pesticide applications directly over the drainfield, which can disrupt soil bacteria and contaminate groundwater.

Winter considerations for septic systems in Martin

Cold winters require extra awareness.

  • Keep snow away from the drainfield area to prevent insulation and snowmelt from saturating the soil.
  • Space out large water-using activities (laundry, dishwashing) to reduce the chance of overloading the system when the ground is near freezing.
  • If you notice slowed drainage after a thaw, roots or poor soil drainage could be the cause—have it inspected before a backup occurs.

Signs of trouble and what to do in Martin

Recognize issues early to minimize damage.

  • Gurgling noises in pipes, toilets that take longer to flush, or frequent backups.
  • Standing water, wet spots, or strong odors over the drainfield.
  • Bright, lush patches of grass or standing water in warm months over the leach field.
  • Increased pumping frequency without changes in household water use.
  • Slow drains after a full laundry cycle or dishwashing bursts.

Maintenance checklist for Martin homeowners

  • Monthly: conserve water, fix leaks promptly, and run full loads to maximize efficiency.
  • Quarterly: inspect for standing water or odors near the drainfield; avoid planting in restricted zones.
  • Annually: have a licensed pro assess the septic tank and drainage field conditions; review records and update your maintenance diary.
  • After heavy rainfall or rapidly melting snow: check for surface dampness or soggy areas that may indicate a drainage issue.
  • Disposal practices: use septic-safe products, minimize grease, fats, and solids down the drain; avoid flushing non-biodegradable items.

Resources for Martin homeowners

Cost Expectations for Septic Services in Martin

Pumping and Cleaning

  • What it includes: removing accumulated solids from the septic tank, flushing and cleaning the interior, inspecting baffles and inlet/outlet pipes, and disposing of wastewater at a licensed facility. Access and tank size affect the job.
  • Martin-specific considerations: cold winters can limit access and extend scheduling; plan for shoulder seasons if frozen ground makes access difficult. Regular pumping helps prevent solids from reaching the drain field in Michigan's freeze-prone soils.
  • Typical cost in Martin: roughly $250–$500 for a standard 1,000-gallon tank; $350–$650 for larger tanks (1,250–1,500 gallons).
  • Steps to expect: 1) Schedule with a licensed septic pro; 2) they'll locate and expose the manhole; 3) tank is pumped and inspected; 4) you receive notes on sludge depth and any issues.
  • Official resources: EPA septic systems overview (https://www.epa.gov/septic); Michigan EGLE Onsite Wastewater Program (https://www.michigan.gov/egle)

Regular Inspections and Certifications

  • What it includes: visual inspections of tank lids, access risers, and service components; evaluation of drain field condition; optional dye tests or camera checks if indicated; documentation for real estate transactions or lender requirements.
  • Martin-specific considerations: Michigan real estate transactions or local permits may require a formal inspection; verify requirements with your agent or county. Inspections can save surprises after winter when soils are saturated.
  • Typical cost in Martin: $100–$350 for a basic inspection; add-ons (camera, dye tests) can raise it to $350–$650.
  • Steps to expect: 1) provide property details and any lender requirements; 2) technician performs visual checks and notes any red flags; 3) receive a written report with recommendations.
  • Official resources: EPA septic systems overview; Michigan EGLE guidance on onsite wastewater (https://www.michigan.gov/egle)

Drain Field Repair

  • What it includes: diagnosing failed drain field components (pipes, distribution box, media), repairing or replacing damaged trenches, and upgrading components (often with dose tanks or corrective media).
  • Martin-specific considerations: local soils and groundwater levels influence repair approaches (trenches vs. mound); high-water-table areas may require staged repairs.
  • Typical cost in Martin: $2,500–$6,000 for partial repairs; $6,000–$15,000 for more extensive field work; in challenging soils, costs can reach $20,000–$25,000.
  • Steps to expect: 1) soil/field evaluation; 2) design plan; 3) install repair or replacement components; 4) post-installation testing.
  • Official resources: EPA septic systems overview; EGLE can guide permits and compliance (https://www.epa.gov/septic, https://www.michigan.gov/egle)

Drain Field Replacement (New or Expanded System)

  • What it includes: replacing a failed field with a new design tailored to site conditions; may involve trenches, beds, or mound systems; may require soil testing and permitting.
  • Martin-specific considerations: Michigan soils vary; some plots require mound systems or specialty designs due to shallow soils or high water tables.
  • Typical cost in Martin: $10,000–$30,000 for a standard replacement; $20,000–$40,000 (or more) for mound or complex designs.
  • Steps to expect: 1) site evaluation and percolation testing; 2) system design and permit application; 3) excavation and installation; 4) system startup and inspection.
  • Official resources: EPA on-site wastewater design principles; EGLE licensing and permitting guidance (https://www.epa.gov/septic, https://www.michigan.gov/egle)

New System Design and Installation

  • What it includes: full system planning for a new home or addition, including soil tests, system design by a licensed professional, permit coordination, and complete installation.
  • Martin-specific considerations: permit timelines and soil testing can be longer in rural Michigan parcels; consider seasonal constraints.
  • Typical cost in Martin: conventional 1,000-gallon with a trench drain field: $7,000–$15,000; mound systems or complex designs: $20,000–$40,000+.
  • Steps to expect: 1) site assessment; 2) professional design and neighbor/permitting steps; 3) installation; 4) final inspection and approval.
  • Official resources: EPA septic design guidelines; EGLE permitting info (https://www.epa.gov/septic, https://www.michigan.gov/egle)

Soil Tests and Percolation Evaluations

  • What it includes: soil mapping, percolation tests, and sometimes lab analyses to determine drain field type and placement.
  • Martin-specific considerations: Michigan's diverse soils mean proper testing is crucial for long-term system performance.
  • Typical cost in Martin: $1,000–$3,000 depending on property size and test scope.
  • Steps to expect: 1) arrange tests with a qualified professional; 2) collect soil samples and perform percolation tests; 3) receive a soils report and system recommendation.
  • Official resources: EPA septic information; EGLE guidance (https://www.epa.gov/septic, https://www.michigan.gov/egle)

Jetting, Root Cleaning, and Pipe Clearing

  • What it includes: mechanical cleaning of clogged lines, root intrusion removal, and ensuring proper flow to the tank and field.
  • Martin-specific considerations: roots from mature trees can be more aggressive in Michigan; plan for regular maintenance if trees are near the system.
  • Typical cost in Martin: $150–$400 per service; complex root intrusion may raise it.
  • Steps to expect: 1) locate lines; 2) access and cleaning; 3) test flow after cleaning.
  • Official resources: EPA septic information (https://www.epa.gov/septic)

Tank Decommissioning or Abandonment (When removing old systems)

  • What it includes: legally decommissioning an out-of-service tank, safely filling it with sand or soil, sealing lids, and documenting abandonment.
  • Martin-specific considerations: ensure compliance with local decommissioning rules and EGLE/county requirements.
  • Typical cost in Martin: $1,000–$3,000 depending on accessibility and tank size.
  • Steps to expect: 1) confirm abandonment plan; 2) pump and clean; 3) fill and cap; 4) document for records.
  • Official resources: EPA guidance on decommissioning septic systems; EGLE references (https://www.epa.gov/septic, https://www.michigan.gov/egle)