Commercial Plumbing in Augusta, MO
Augusta has a separately permitted public water system. Legacy Plumbing serves Augusta with commercial plumbing and select residential service. In Augusta we typically handle winery and hospitality plumbing along Hwy 94: grease interceptors, water heaters and backflow assemblies for irrigation.
Free Estimate — Augusta
Same-business-day response from our O'Fallon office.
Water, sewer & site infrastructure in Augusta
Public facts from government and utility sources, not Legacy Plumbing project claims.
- Augusta's water comes from a separate DNR-permitted system, PWSD 2 – Augusta (MO6024531), not PWSD #2's main system; DNR issued construction permits for it in 2024 and 2025. Missouri DNR
- Augusta is one of seven Missouri municipalities still operating under a special charter granted before 1875. Missouri Secretary of State
Public sources checked 2026-10-30
Getting crews and materials to Augusta
Augusta sits in St. Charles County, MO, roughly 19 straight-line miles from our O'Fallon shop; the closest towns we also serve are New Melle (about 9 mi), Marthasville (about 10 mi) and Wildwood (about 14 mi). Legacy Plumbing has worked as a UA Local 562 signatory commercial plumbing contractor in St. Louis since 1996, and the St. Charles County plumbing hub covers the wider area.
Licensed to pull plumbing permits in Augusta
Plumbing permits for Augusta go through the jurisdiction covering Augusta in St. Charles County, and Legacy Plumbing holds the licensing to pull them. Our master plumbers file permits across every St. Louis–area jurisdiction we serve, from St. Louis City, St. Louis County and its municipalities, St. Charles County and Jefferson County.
Site, water and service plumbing for Augusta
Underground & site utilities
Sanitary, storm and water service connections for new Augusta sites.
Explore underground & site utilitiesBackflow install & testing
Annual backflow testing, with reports sent to Augusta's water provider.
Explore backflow install & testingGround-up new construction
Underground through trim-out for new St. Charles County buildings in Augusta.
Explore ground-up new constructionService & repair
Scheduled repairs, water heaters and drain work for Augusta properties, plus select residential calls.
Explore service & repairLegacy Plumbing projects in and near Augusta
Augusta doesn't have a documented job within about 15 miles on our list yet; our nearest recent project is in Weldon Spring, about 16 miles away. Distances are straight-line between town centers.
- Nearest recent project — Weldon Spring, ~16 mi
Dental air and vacuum system (2022)
Weldon Spring
Dental system upgrade running air and vacuum to every chair from new equipment, with a sterile-area sink.
View project scope - Nearest recent project — Lake Saint Louis, ~16 mi
12-chair dental office rework (2024)
Lake Saint Louis
Rework inside an existing dental office: air and vacuum to 12 chairs and new sinks tied into existing waste, water and vent.
View project scope
Nearby areas we serve
Need a Plumber in Augusta?
Call 636-978-0120 or request your free estimate — we respond same business day across St. Charles County.