
Mequon, Ozaukee County
Water softener installation in Mequon, WI
About 8 grains per gallon · Mequon’s published figure for municipal water
Mequon’s utility sells some of the softest tap water in this area, and most of Mequon does not buy it. In a city this large and this spread out, the tap in your own kitchen is the only source of truth.
Your water
Where Mequon gets its water
Mequon is served by the Mequon Water Utility, which buys finished water for resale and treats none of its own. It resells purchased Lake Michigan water from Milwaukee Water Works and the North Shore Water Commission. Most of the city is not connected to it and draws from private wells.
On the municipal system. Most of Mequon is not on it.
The Mequon Water Utility purchases treated Lake Michigan water from the North Shore Water Commission and Milwaukee Water Works for resale. Both publish roughly 137 milligrams per liter, about 8 grains per gallon. The important qualifier, as Urban Milwaukee reported in 2023: most residents of Mequon continue to rely on their own wells, and a private well carries no published figure.
Source: Mequon Water Utility; North Shore Water Commission; Milwaukee Water Works; Urban Milwaukee, September 2023
What Mequon homes usually need



- Free quote by phone
- Installed by a licensed WI plumber
- Softeners retested to zero
$3,950 installed for the ZeroGrain One: softener, activated carbon and the reverse-osmosis drinking tap. Installation by an independent licensed Wisconsin plumbing contractor is in that number, not added to it, and the date is set once the equipment is in hand and approved for use in Wisconsin (SPS 384). What a softener costs explains what the $3,950 includes. Swapping out an old unit is replacing a softener; the drinking tap is reverse osmosis installation.
Get your free quote
Takes about thirty seconds. We call you back the same or next business day.
In writing
Three things you get in writing
Every one of these is written on the quote or the agreement, not a promise on a call.
3 days
To change your mind
Three business days to cancel after you sign. Two copies of the cancellation notice come with the contract, filled in and dated.
0
Balance due before the install is complete
The agreement puts full payment at the completion of the install: the system in, running and your water retested at your tap.
30 days
The quote holds
One itemized page with every model named, so you can compare it against anyone.
A closer look
The ZeroGrain One, up close
The system in product renders: the softening tank and its brine tank, the drinking-water tap, and what is inside the tank, on one sheet.




Questions
Mequon water questions
Anything that is not here, ask it on the call.
Softening removes hardness minerals. It is not a health or safety treatment and we do not market it as one. On a private well, Wisconsin’s state-certified lab tests for bacteria and nitrates are a separate matter and not something we sell.
The utility number and the city number are different things
Roughly eleven thousand people are on the Mequon system, in a city considerably larger than that. Quoting “Mequon water is 8 grains” describes the utility, not the city. If you are on a well you are drawing Ozaukee County groundwater out of the same carbonate rock Cedarburg’s wells draw from, and a private well has no published figure.
Well houses are where sizing actually matters
Hardness and iron vary house by house on a private well, not neighborhood by neighborhood. A system specified from your own numbers treats the hardness at the point of entry, with iron in its own stage ahead of it when there is more than a trace, and after a softener install the plumber runs the same test again and you watch the hardness read zero.
How does the quote work in Mequon?
We start from the number, not from a catalog: what Mequon publishes, and what your house needs. One short call puts the two together, at no charge. If the numbers justify softening we size it from them; if they point away from softening, the call says so plainly. On install day the plumber reads hardness, iron, chlorine and TDS at your tap before anything is connected, and on a softener install retests hardness at the end so you watch it read zero.
Free quote, by phone
A free quote by phone, anywhere in Mequon.
One short call, about fifteen minutes. We size from your town’s published number, or your well’s lab result, and your household, and you end the call with a one-page itemized quote.
- Free quote by phone
- Installed by a licensed WI plumber
- Softeners retested to zero