Prevention

The Lake County, Indiana Sewer Service Guide: Crown Point, Hammond, Merrillville, Schererville & Beyond

A working guide to sewer line, grease trap, and storm-drain work across Lake County, IN — the towns we cover, the lines we see, and the rules that apply.

October 20, 2025 8 min read

Why Lake County is a unique sewer market

Lake County, Indiana packs more housing eras and infrastructure types into a small area than almost anywhere else in the Midwest. From Hammond's pre-war cast-iron stacks to St. John's brand-new PVC subdivisions, from the Broadway retail strip in Merrillville to the lakefront industrial corridor in Gary — we run trucks across all of it.

The towns we cover

  • Crown Point — our home base, historic square downtown, newer subdivisions toward Winfield
  • Hammond — dense residential, Indianapolis Blvd restaurants, lakefront industrial
  • Merrillville — Southlake Mall, US-30 retail, Broadway apartments — our busiest commercial route
  • Schererville — US-30 restaurant corridor, growing residential
  • Munster — mid-century brick homes, finished basements, mature trees
  • Highland — older bungalows, tight access, Indianapolis Blvd commercial
  • Griffith — vintage downtown, aging clay laterals near the rail
  • Dyer — US-30 growth corridor, mostly newer PVC lines
  • St. John — split market: new builds east of US-41 and original-town clay
  • Gary — heavy industrial, lift stations, restaurant grease routes

What we run across Lake County every week

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