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Water Hardness in 71047

Keithville, Louisiana · Caddo Parish County

39 PPM
2.3 GPG
Soft
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 15 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 15 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.

Source basis
2 verified treated-water sources
15 matched systems total for this ZIP; 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 Serving 71047

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.

15 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.
Shreveport Water System
LA1017031
Soft
40 PPMsurface water192,378 servedVerified — Annual Water Quality Report
Source water: 17 PPM
Blanchard Water System
LA1017006
Soft
40 PPMsurface water16,326 servedVerified — Annual Water Quality Report
Source water: 70 PPM
Waterworks District 7
LA1017052
Soft
17 PPMgroundwater5,817 servedHigh Confidence — USGS Monitoring
Eagle Water System
LA1017012
Soft
17 PPMgroundwater1,965 servedHigh Confidence — USGS Monitoring
Deepwoods Utilities Inc
LA1017058
Soft
17 PPMgroundwater657 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

710781971129407100740711184071046177103040711064071033417110840710274071109407111940

What This Means For You

Recommendations are based on the displayed ZIP 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 Keithville, LA (71047).

Submit Your Data

Frequently Asked Questions

Is the water hard in Keithville, LA (71047)?

The average water hardness in 71047 is 39 PPM (2.3 GPG), which is classified as soft.

Do I need a water softener in 71047?

At 39 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 71047 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 71047?

Zip code 71047 in Keithville, Louisiana is served by 15 water systems.

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