Water Hardness Atlas ZIP / postcode

Water hardness in Sachse

8.6 gpg hard

Tap water in Sachse is hard: 8.6 gpg (148 mg/L · 8.3 °dH · 14.8 °fH).

<6060–120120–180>180 mg/L

Source: City of Sachse 2025 Annual Drinking Water Quality Report (PWS TX0570057) (2025) · data checked 2026-11-02

Range across supply zones: 96–200 mg/L.

Sachse gets its water from the North Texas Municipal Water District. The city's 2025 report gives a computed median of 148 mg/L as CaCO3, within a range of 96 to 200 mg/L. That is hard water with a wide spread. Scale on fixtures is likely at the upper end.

USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.

Water data

Total hardness8.6 gpg
UtilityCity of Sachse (water from North Texas Municipal Water District)

How Sachse compares

Ranking of the hardest and softest water in the United States →

What it means at home

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 Sachse

BrandSetting for this water
BoschH02
Miele8 °dH
AEG / Electrolux2
Beko3rd
HooverS1
LGH2

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 Sachse water hard or soft?

It is hard: 148 mg/L as CaCO₃ (8.6 gpg, 8.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Sachse 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 Sachse water?

8.6 gpg, equal to 8.3 °dH, 14.8 °fH or 148 mg/L calcium carbonate.

What dishwasher salt setting should I use in Sachse?

For 148 mg/L (8.3 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Sachse?

Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.

Source

Source: City of Sachse 2025 Annual Drinking Water Quality Report (PWS TX0570057) (2025). Method: computed from supplier's calcium and magnesium. City of Sachse 2025 Annual Drinking Water Quality Report (PWS TX0570057) · Outdated figure? Tell us

Report an outdated or wrong figure