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Water Hardness in Laramie, WY

Wyoming · 3 zip codes · 5 matched water systems

80 PPM
4.7 GPG
Slightly Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 80 PPM

Dataset updated March 9, 20265 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Laramie, City Of
WY5600029
Water source: surface water
Serves: 32,395
USGS environmental estimate: 211 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 5 matched water systems and 3 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
5 verified treated-water sources
5 matched systems total for this city; treated-water reports are prioritized when available.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

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 Laramie

These systems are matched to Laramie, WY. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

5 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Laramie, City Of
WY5600029
Slightly Hard
80 PPMsurface water32,395 servedVerified — Annual Water Quality Report
Source water: 211 PPM
South Laramie W&S District
WY5601393
Slightly Hard
80 PPMsurface water490 servedVerified — Annual Water Quality Report
Source water: 358 PPM
Sunny Meadows Village
WY5601289
Slightly Hard
80 PPMsurface water485 servedVerified — Annual Water Quality Report
Source water: 183 PPM
Seven Mile Water & Sewer District
WY5601004
Slightly Hard
80 PPMsurface water130 servedVerified — Annual Water Quality Report
Source water: 358 PPM
Antelope Ridge Hoa
WY5601457
Slightly Hard
80 PPMgroundwater70 servedVerified — Annual Water Quality Report
Source water: 183 PPM

Zip Codes in Laramie, WY

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | How to Test Your Water

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 Laramie, WY.

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Frequently Asked Questions

How hard is the water in Laramie, WY?

The citywide weighted average water hardness in Laramie, WY is 80 PPM (4.7 GPG), classified as slightly hard. This is based on 5 matched water systems.

Do I need a water softener in Laramie, WY?

At 80 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Laramie, WY 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 Laramie, WY?

Laramie, Wyoming is served by 5 matched water systems across 3 zip codes.

Learn More About Your Water