Water Hardness in Lemay, MO
Missouri · 1 zip codes · 4 matched water systems
City avg (weighted): 120 PPM
Dataset updated March 9, 20264 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Lemay, MO Water Hard or Soft?
The displayed hardness for Lemay, MO is 120 PPM (7 GPG) from Mo American St Louis St Charles Counties, classified as moderately hard. The citywide weighted average is 120 PPM.
Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.
How this city reading is built
This city reading is a weighted rollup across 4 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.
Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.
Water Systems in Lemay
These systems are matched to Lemay, MO. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Mo American St Louis St Charles Counties MO6010716 | surface water | 120 PPM Moderately HardUSGS estimate: 273 PPM | |
| Kirkwood Pws MO6010430 | surface water | 120 PPM Moderately HardUSGS estimate: 270 PPM | |
| Red Oak Subdivision MO5031416 | groundwater | 285 PPM Very Hard | |
| Pine Ford Village Mhp MO6048354 | groundwater | 285 PPM Very Hard |
Zip Codes in Lemay, MO
What This Means For You
Use this city reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.
Know your water hardness?
If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Lemay, MO.
Frequently Asked Questions
How hard is the water in Lemay, MO?
The citywide weighted average water hardness in Lemay, MO is 120 PPM (7 GPG), classified as moderately hard. This is based on 4 matched water systems.
Do I need a water softener in Lemay, MO?
With a citywide average hardness of 120 PPM, a water softener is worth considering for homes in Lemay. Confirm your tap reading before sizing equipment.
Is hard water in Lemay, MO safe to drink?
Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.
How many water systems serve Lemay, MO?
Lemay, Missouri is served by 4 matched water systems across 1 zip code.
Learn More About Your Water
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