Water Hardness in 77578
Manvel, Texas · Brazoria County
Dataset updated March 9, 2026Matched to 14 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 14 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 77578
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 |
|---|---|---|---|
| City Of Pearland TX0200008 | surface water | 180 PPM HardUSGS estimate: 79 PPM | |
| City Of Angleton TX0200002 | surface water | 180 PPM HardUSGS estimate: 181 PPM | |
| City Of Lake Jackson TX0200006 | surface water | 180 PPM HardUSGS estimate: 178 PPM | |
| City Of Alvin TX0200001 | groundwater | 180 PPM HardUSGS estimate: 79 PPM | |
| City Of Clute TX0200004 | surface water | 180 PPM HardUSGS estimate: 178 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 Manvel, TX (77578).
Frequently Asked Questions
Is the water hard in Manvel, TX (77578)?
The average water hardness in 77578 is 109 PPM (6.4 GPG), which is classified as slightly hard.
Do I need a water softener in 77578?
At 109 PPM, your water is relatively soft. A water softener is generally not necessary.
Is hard water in 77578 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 77578?
Zip code 77578 in Manvel, Texas is served by 14 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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