Woodbury vs Duluth Water Quality

If you are comparing Woodbury and Duluth water quality - whether moving, choosing between the two, or curious about a relative's water - here is what the data shows.

Hardness comparison

Woodbury has dramatically harder water at 271 PPM versus Duluth at 21 PPM, a difference of 250 PPM. At 271 PPM, Woodbury residents should budget for a water softener ($600-$1,500 installed). Without one, expect scale buildup on fixtures, reduced water heater efficiency, and $800-$1,200/year in hidden costs. Duluth residents generally do not need any water softening equipment.

This difference has real practical impact. Woodbury homeowners deal with scale buildup on water heaters, extra soap and detergent use, and shorter appliance lifespans that Duluth residents largely avoid.

Water sources and why they differ

Water sources differ: Woodbury draws from Groundwater wells, while Duluth uses Lake Superior. The mix of groundwater and surface water explains much of the hardness difference.

Contaminant concerns

PFAS contamination is a concern in Woodbury (280.48 ppt, above the EPA limit of 4 ppt). A reverse osmosis system or NSF P473-certified filter is recommended for drinking water.

What this means for you

If you are moving from Duluth to Woodbury, you will notice the water difference. Budget for a water softener and expect to use more soap and detergent until you install one. If moving the other direction, from Woodbury to Duluth, you may be pleasantly surprised by how much better soap lathers and how your skin feels.

Not sure what your specific situation needs? Take the quiz to get a recommendation based on your water data, budget, and household size.