Basement waterproofing in Oak River and the west side, Troy
Updated October 20, 2026
Oak River and the west side of Troy sit on lower ground near the headwaters of the Rouge, with drainage easements running between lots. Water has a path through these neighborhoods, and when it backs up in a storm the egress wells and the low corners of the basement are the first to know.
Where: west Troy near the Rouge headwaters · Housing: 1970s–90s subdivisions · Mapped soil: lower ground with drainage easements
What contractors usually find in Oak River basements
- Egress window wells that fill when the easement ditch backs up.
- Water at the lowest corner of the basement after regional storms.
- Sump discharge lines that drain toward the easement and back up when it is full.
Which fix usually fits
- Waterproofing: Egress-well drains tied to the interior tile, plus a check of where the discharge goes, is the usual scope.
- Sump pumps: A backup pump matters here because the 2014 and 2021 storms flooded the easements and took out power at the same time.
Also on this site: crack repair, crawl space. The contractor decides the scope at the house; these are the usual starting points, not a diagnosis of your basement.
Before you send the form
- Find your drainage easement on the plat or survey and note where it runs.
- Check the egress well for a drain and a cover.
- Note the lowest corner of the basement and whether that is where water shows up.
- Keep the storm date if you flooded in 2014 or 2021.
Oak River questions
Who maintains the drainage easement?
Usually the county or city drain office for the ditch itself; the yard inside the easement is yours. The city page links the right offices.
Can an egress well be made leak-proof?
With a drain tied to the tile and a proper cover, yes in ordinary storms. In a storm that fills the easement, the backup pump is what saves the basement.
General notes from Census build eras, USDA map units and the city's own flood pages, not records of specific addresses. More on the Troy facts page and the all-areas page.
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Sources
- USDA NRCS Soil Data Access, map unit components at Long Lake/Coolidge (Northfield Hills), Rochester/Square Lake (Sylvan Glen), Wattles/John R (Emerald Lakes) and Big Beaver/Rochester, queried Oct 19 2026 — https://sdmdataaccess.sc.egov.usda.gov/
- FEMA DR-4607, Michigan Severe Storms, Flooding and Tornadoes, June 25–26, 2021 (Oakland County designated) — https://www.fema.gov/disaster/4607
- NWS Detroit/Pontiac, August 11, 2014 Southeast Michigan flooding summary — https://www.weather.gov/dtx/081114_flooding