WH

Water Hardness in Hayes, LA

Louisiana · 1 zip codes · 10 matched water systems

50 PPM
2.9 GPG
Soft
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 50 PPM

Dataset updated March 9, 202610 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
City Of Lake Charles Water System
LA1019029
Water source: groundwater
Serves: 79,500
USGS environmental estimate: 127 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 10 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
10 verified treated-water sources
10 matched systems total for this city; treated-water reports are prioritized when available.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 Hayes

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

10 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.
City Of Lake Charles Water System
LA1019029
Soft
50 PPMgroundwater79,500 servedVerified — Annual Water Quality Report
Source water: 127 PPM
Sulphur City Of Water System
LA1019044
Soft
50 PPMgroundwater24,489 servedVerified — Annual Water Quality Report
Source water: 85 PPM
Calcasieu Parish Ww District No 1
LA1019051
Soft
50 PPMgroundwater20,837 servedVerified — Annual Water Quality Report
Source water: 85 PPM
Calcasieu Parish Ww Dist 9 Carlyss
LA1019116
Soft
50 PPMgroundwater14,502 servedVerified — Annual Water Quality Report
Source water: 85 PPM
Houston River Waterworks District 11
LA1019119
Soft
50 PPMgroundwater6,915 servedVerified — Annual Water Quality Report
Source water: 85 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Hayes, LA

7064650

What This Means For You

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

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft 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 Hayes, LA.

Submit Your Data

Frequently Asked Questions

How hard is the water in Hayes, LA?

The citywide weighted average water hardness in Hayes, LA is 50 PPM (2.9 GPG), classified as soft. This is based on 10 matched water systems.

Do I need a water softener in Hayes, LA?

At 50 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Hayes, LA 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 Hayes, LA?

Hayes, Louisiana is served by 10 matched water systems across 1 zip code.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

10 min read

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 read