Water Hardness in Longview, TX
Texas · 5 zip codes · 7 matched water systems
City avg (weighted): 63 PPM
Dataset updated March 9, 20267 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Longview, TX Water Hard or Soft?
The displayed hardness for Longview, TX is 63 PPM (3.7 GPG) from City Of Longview, classified as slightly hard. The citywide weighted average is 63 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 7 matched water systems and 5 ZIP codes. 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 Longview
These systems are matched to Longview, TX. 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 |
|---|---|---|---|
| City Of Longview TX0920004 | surface water | 63 PPM Slightly HardUSGS estimate: 24 PPM | |
| City Of Kilgore TX0920003 | surface water | 63 PPM Slightly HardUSGS estimate: 24 PPM | |
| Tryon Road Sud TX0920021 | surface water | 63 PPM Slightly HardUSGS estimate: 24 PPM | |
| Elderville Wsc TX0920019 | surface water | 63 PPM Slightly HardUSGS estimate: 24 PPM | |
| West Gregg Sud TX0920022 | groundwater | 63 PPM Slightly HardUSGS estimate: 24 PPM |
Zip Codes in Longview, TX
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 Longview, TX.
Frequently Asked Questions
How hard is the water in Longview, TX?
The citywide weighted average water hardness in Longview, TX is 63 PPM (3.7 GPG), classified as slightly hard. This is based on 7 matched water systems.
Do I need a water softener in Longview, TX?
At 63 PPM, the citywide average is relatively soft. A water softener is generally not necessary.
Is hard water in Longview, TX 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 Longview, TX?
Longview, Texas is served by 7 matched water systems across 5 zip codes.
Learn More About Your Water
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