The cheapest drain work is preventive. The most expensive drain work is reactive — when a problem you didn't catch grows into a backup, flood, or pipe failure. Here's a year-round checklist for Indianapolis homeowners. Pin it to the fridge.

Annual Drain Maintenance Checklist: SPRING (March-May)

Indianapolis spring brings heavy rain. Combined sewer overflow risk is highest. Tree roots become most active. Schedule the most important professional work for spring.

Spring DIY tasks

  • Test all basement floor drains — pour 2 cups of water down each to maintain P-trap seal
  • Inspect sump pump operation. Pour a bucket of water into the pit; pump should activate within 30 seconds
  • Test the sump pump backup battery if you have one
  • Check for any standing water in unused basement areas (signs of seepage)
  • Pour 1/2 cup baking soda + 1/2 cup vinegar down kitchen drain monthly through spring (peak grease season after holidays)

Spring professional service (recommended)

  • Main sewer line cleaning if it's been 12+ months — heads off summer root expansion
  • Camera scope if your home is older and you've never had one done
  • Sump pump inspection if you're at all concerned about reliability

SUMMER (June-August)

Summer is relatively quiet for drain issues. Trees are growing but roots aren't pressing as aggressively as fall. Use this time for proactive work.

Summer DIY tasks

  • Inspect outdoor drains, yard drains, and downspout discharges — clear debris from grates
  • Look for any soggy patches in the lawn that might indicate lateral leakage
  • Check toilet wax rings — does the toilet wobble? Floor stained around base?
  • Pour boiling water down kitchen drain weekly to flush summer grease
  • Run unused fixtures monthly to maintain P-trap seals

Summer professional service

  • Sewer line repair — best season for trenchless lining or excavation work; ground is dry, schedule is flexible
  • Kitchen drain cleaning if you noticed slowdown over the busy holiday cooking period

FALL (September-November)

Critical season for Indianapolis sewer maintenance. Leaves accumulate in yard drains, vent stacks, and storm grates. Tree roots make their last aggressive push before winter dormancy.

Fall DIY tasks

  • Clear leaves from yard drains, storm grates, and downspout discharges weekly during leaf-fall
  • Inspect (or have inspected) roof vent stack for leaves and obstructions
  • Clean gutters thoroughly — backed-up gutters strain the foundation and drain system
  • Test sump pump again before winter freeze risk
  • Pour mineral oil over the water in unused basement floor drains to prevent evaporation during dry winter

Fall professional service (essential for older homes)

  • Annual sewer line cleaning + foaming herbicide for homes with chronic root intrusion — heads off winter clogs
  • Camera scope if you've had any slowdown or gurgling since spring
  • Eagle Creek-adjacent homes: Schedule preventive jetting before leaf debris becomes severe

WINTER (December-February)

Cold weather brings frozen-pipe risks (less for drains than supply pipes, but vents are vulnerable) and indoor humidity issues. Watch for ice damming the vent stack.

Winter DIY tasks

  • Watch for sewer smell — vent stack frozen over can force gas back into the house
  • Don't pour grease down kitchen drain (holiday cooking season — major source of January clogs)
  • Run all unused fixtures monthly to maintain seals (indoor heating accelerates evaporation)
  • Check basement for any signs of seepage from frost-affected ground around the foundation

Winter professional service

  • Vent stack defrosting if you detect sewer smell + ice buildup on the roof vent
  • Emergency drain service — winter clog volume spikes after holiday cooking

Annual checklist summary

  1. March: Test sump pump, schedule main sewer cleaning if 12+ months
  2. April: Watch basement floor drain during rain events
  3. May: Monthly enzyme treatment kitchen drain
  4. June: Outdoor drain inspection
  5. July: Lawn inspection for lateral leakage
  6. August: Schedule any repair work (best weather)
  7. September: Clear yard drains as leaves begin to fall
  8. October: Fall sewer cleaning + herbicide for root-prone homes
  9. November: Pre-freeze sump pump check
  10. December: Run unused fixtures (holiday-heated home dries traps fast)
  11. January: Watch for post-holiday kitchen drain slowdowns
  12. February: Inspect vent stack for ice damming

Signs to escalate immediately (any season)

For any of these, call (463) 331-0700. Don't wait until the next scheduled maintenance window.

Print this page and put it on the fridge or in your home maintenance binder. Annual drain costs from following this checklist: $400-$900. Annual cost of NOT following it: averaged across our customer base, $1,200-$3,500+ in emergency calls and damage repairs.

For specific seasonal services, see sewer line cleaning, drain cleaning, and camera scope.