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Water Hardness in 30533

Dahlonega, Georgia · Lumpkin County

11 PPM
0.6 GPG
Soft
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 17 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 17 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
17 USGS-backed sources
17 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 30533

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.

17 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.
Dahlonega
GA1870000
Soft
11 PPMsurface water7,500 servedHigh Confidence — USGS Monitoring
Life Teen At Hidden Lake Water System
GA1870054
Soft
11 PPMgroundwater2,579 servedHigh Confidence — USGS Monitoring
Lumpkin Co. - 400 Water System
GA1870043
Soft
11 PPMsurface water2,379 servedHigh Confidence — USGS Monitoring
Lumpkin Co. - Sherwood Forest Subd.
GA1870072
Soft
11 PPMgroundwater208 servedHigh Confidence — USGS Monitoring
Lumpkin Co. - Greenwood Park S/D
GA1870079
Soft
11 PPMgroundwater190 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

30564923057233053413305281130527923014816305069230545230512330571230501923050492

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 Dahlonega, GA (30533).

Submit Your Data

Frequently Asked Questions

Is the water hard in Dahlonega, GA (30533)?

The average water hardness in 30533 is 11 PPM (0.6 GPG), which is classified as soft.

Do I need a water softener in 30533?

At 11 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 30533 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 30533?

Zip code 30533 in Dahlonega, Georgia is served by 17 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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