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Water Hardness in 30124

Cave Spring, Georgia · Floyd County

56 PPM
3.3 GPG
Soft
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 4 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 4 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 USGS-backed sources
4 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
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 30124

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.

4 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.
Floyd County
GA1150001
Soft
56 PPMsurface water46,143 servedEstimated — County Avg
Rome
GA1150002
Soft
56 PPMsurface water45,586 servedEstimated — County Avg
Cave Spring
GA1150000
Soft
56 PPMgroundwater4,248 servedHigh Confidence — USGS Monitoring
Berry College
GA1150003
Soft
56 PPMsurface water2,200 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

3014756301255630173563016156359605730165563010456359595730730100359735736272463015365

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 Cave Spring, GA (30124).

Submit Your Data

Frequently Asked Questions

Is the water hard in Cave Spring, GA (30124)?

The average water hardness in 30124 is 56 PPM (3.3 GPG), which is classified as soft.

Do I need a water softener in 30124?

At 56 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 30124 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 30124?

Zip code 30124 in Cave Spring, Georgia is served by 4 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.

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How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

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