Water hardness in Ashwaubenon
7.6 gpg hard
Tap water in Ashwaubenon is hard: 7.6 gpg (130 mg/L · 7.3 °dH · 13 °fH).
Source: Green Bay Water Utility: Water Quality / CCR page (2025) · data checked 2026-10-29
Range across supply zones: 125–135 mg/L.
Ashwaubenon is supplied by the Green Bay Water Utility. Its water quality page reports a median hardness of 130 mg/L, with a narrow range of 125 to 135 mg/L, which is hard. The narrow range means little change through the year.
USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.
Water data
| Total hardness | 7.6 gpg |
|---|---|
| Utility | Green Bay Water Utility (supplies Ashwaubenon) |
How Ashwaubenon compares
- Tap water in Ashwaubenon is 16 % softer than the median of the 1372 cities we track in the United States (9.1 gpg).
- By hardness it ranks 826 of 1372 in the United States (1 = hardest); 39 % of these cities have softer water.
- In Wisconsin it is number 360 of 448 cities; the regional median is 14.3 gpg.
Ranking of the hardest and softest water in the United States →
What it means at home
- Fast scale on taps, shower screens and kettle; white spots on glassware.
- Water heater: efficiency loss and element failures within years if unprotected.
- Dry skin and dull hair after showering are common.
- Softener recommended; jug or reverse osmosis for drinking.
How much salt will you use for softening?
Recommended, especially with a heater or boiler: scale cuts efficiency and shortens its life.
Descale a coffee machine or kettle about every 2 months (typical manufacturer guidance for this hardness).
Estimates for planning, not a quote. Check your appliance manual for exact settings.
Dishwasher setting in Ashwaubenon
| Brand | Setting for this water |
|---|---|
| Bosch | H01 |
| Miele | 7 °dH |
| AEG / Electrolux | 2 |
| Beko | 2nd |
| Hoover | S1 |
| LG | H2 |
From each brand's manual for the model family named in the source; your model may differ, so check its manual. All brands and how to change the setting →
FAQ
Is Ashwaubenon water hard or soft?
It is hard: 130 mg/L as CaCO₃ (7.6 gpg, 7.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Ashwaubenon safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.
How many grains per gallon is Ashwaubenon water?
7.6 gpg, equal to 7.3 °dH, 13 °fH or 130 mg/L calcium carbonate.
What dishwasher salt setting should I use in Ashwaubenon?
For 130 mg/L (7.3 °dH) check your manufacturer's table: level 4–5.
Do I need a water softener in Ashwaubenon?
Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.
Source
Source: Green Bay Water Utility: Water Quality / CCR page (2025). Method: figure published by the water supplier. Green Bay Water Utility: Water Quality / CCR page · Outdated figure? Tell us