Water Hardness in 82604
Casper, Wyoming · Natrona County
Dataset updated March 9, 2026Matched to 8 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 8 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 82604
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 |
|---|---|---|---|
| Casper, City Of WY5601415 | surface water | 120 PPM Moderately HardUSGS estimate: 167 PPM | |
| Vista West Water Company WY5600069 | surface water | 120 PPM Moderately HardUSGS estimate: 167 PPM | |
| Natrona County Int'L Airport WY5600079 | surface water | 120 PPM Moderately HardUSGS estimate: 167 PPM | |
| Air Base Acres I&S District WY5600080 | surface water | 120 PPM Moderately HardUSGS estimate: 167 PPM | |
| Poison Spider I&S District WY5600073 | surface water | 120 PPM Moderately HardUSGS estimate: 167 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 Casper, WY (82604).
Frequently Asked Questions
Is the water hard in Casper, WY (82604)?
The average water hardness in 82604 is 120 PPM (7 GPG), which is classified as moderately hard.
Do I need a water softener in 82604?
With hardness of 120 PPM, a water softener is worth considering for homes in 82604.
Is hard water in 82604 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 82604?
Zip code 82604 in Casper, Wyoming is served by 8 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.
8 min readHard Water vs Soft Water: Key Differences
Compare hard water and soft water by minerals, taste, soap lather, skin, hair, plumbing, and treatment needs.
10 min readPPM to GPG Converter + Water Hardness Scale Explained
Convert between PPM and GPG instantly. Understand the USGS water hardness scale and what your numbers mean for your home.
5 min read