Water hardness in Warrensburg
13 gpg very hard
Tap water in Warrensburg is very hard: 13 gpg (222 mg/L · 12.4 °dH · 22.2 °fH).
Source: Missouri American Water, water quality report (Warrensburg) (2025) · data checked 2026-10-20
Missouri American Water supplies Warrensburg entirely from groundwater, pumped from deep wells in aquifers beneath the town, with no surface water source. Groundwater in contact with carbonate rock is hard, here 222 mg/L CaCO₃. Expect scale on glass and in water heaters.
USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.
Water data
| Total hardness | 13 gpg |
|---|---|
| Utility | Missouri American Water |
How Warrensburg compares
- Tap water in Warrensburg is 43 % harder than the median of the 1372 cities we track in the United States (9.1 gpg).
- By hardness it ranks 455 of 1372 in the United States (1 = hardest); 67 % of these cities have softer water.
- In Missouri it is number 10 of 32 cities; the regional median is 10.3 gpg.
- Nearest city with clearly softer water: Blue Springs, 56 km away (7.2 gpg).
- Nearest city with clearly harder water: Smithton, 56 km away (19.4 gpg).
Ranking of the hardest and softest water in the United States →
What it means at home
- Severe scale: heater elements and washing-machine heaters fail early.
- Detergent use is very high; taps and screens coat within days.
- Dishwasher at maximum salt setting.
- An ion-exchange softener is practically essential; RO for drinking water.
How much salt will you use for softening?
Yes. At this hardness a softener pays for itself through appliance life and detergent.
Descale a coffee machine or kettle about every 1 months (typical manufacturer guidance for this hardness).
Estimates for planning, not a quote. Check your appliance manual for exact settings.
Dishwasher setting in Warrensburg
| Brand | Setting for this water |
|---|---|
| Bosch | H04 |
| Miele | 12 °dH |
| AEG / Electrolux | 3 |
| Beko | 3rd |
| Hoover | S2 |
| 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 Warrensburg water hard or soft?
It is very hard: 222 mg/L as CaCO₃ (13 gpg, 12.4 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Warrensburg 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 Warrensburg water?
13 gpg, equal to 12.4 °dH, 22.2 °fH or 222 mg/L calcium carbonate.
What dishwasher salt setting should I use in Warrensburg?
For 222 mg/L (12.4 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Warrensburg?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: Missouri American Water, water quality report (Warrensburg) (2025). Method: figure published by the water supplier. Missouri American Water, water quality report (Warrensburg) · Outdated figure? Tell us