Water Hardness in 70501
Lafayette, Louisiana · Lafayette Parish County
Dataset updated March 9, 2026Matched to 6 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 6 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.
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 Serving 70501
These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Lafayette Utilities Water System LA1055017 | groundwater | 80 PPM Slightly HardUSGS estimate: 111 PPM | |
| Lpwdn North Region LA1055191 | groundwater | 80 PPM Slightly HardUSGS estimate: 111 PPM | |
| Lpwd South LA1055156 | groundwater | 80 PPM Slightly HardUSGS estimate: 219 PPM | |
| Milton Purchase Water System LA1055196 | groundwater | 80 PPM Slightly HardUSGS estimate: 125 PPM | |
| City Of Carencro Water System LA1055005 | groundwater | 80 PPM Slightly HardUSGS estimate: 111 PPM |
Nearby Zip Codes
What This Means For You
Use this ZIP 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 Lafayette, LA (70501).
Frequently Asked Questions
Is the water hard in Lafayette, LA (70501)?
The average water hardness in 70501 is 80 PPM (4.7 GPG), which is classified as slightly hard.
Do I need a water softener in 70501?
At 80 PPM, your water is relatively soft. A water softener is generally not necessary.
Is hard water in 70501 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 70501?
Zip code 70501 in Lafayette, Louisiana is served by 6 water systems.
Learn More About Your Water
How to Test Water Hardness at Home
Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.
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