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Water Hardness in 29483

Summerville, South Carolina · Dorchester County

29 PPM
1.7 GPG
Soft
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 13 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 13 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
13 verified treated-water sources
13 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 29483

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.

13 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.
Summerville Cpw (Sc1810003)
SC1810003
Soft
29 PPMsurface water81,750 servedVerified — Annual Water Quality Report
Source water: 18 PPM
Dcwa Knightsville (1820001)
SC1820001
Soft
29 PPMsurface water40,141 servedVerified — Annual Water Quality Report
Source water: 18 PPM
Dcws Ashley Phosphate (Sc1820008)
SC1820008
Soft
29 PPMsurface water26,076 servedVerified — Annual Water Quality Report
Source water: 18 PPM
Lincolnville Town Of (Sc1010007)
SC1010007
Soft
29 PPMsurface water1,980 servedVerified — Annual Water Quality Report
Source water: 18 PPM
Dcws/Clay Field Drive (Sc1850014)
SC1850014
Soft
29 PPMsurface water1,648 servedVerified — Annual Water Quality Report
Source water: 18 PPM
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

29472292948529294561562942029294182929437292940629294042929435642944515829414292947029

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 Summerville, SC (29483).

Submit Your Data

Frequently Asked Questions

Is the water hard in Summerville, SC (29483)?

The average water hardness in 29483 is 29 PPM (1.7 GPG), which is classified as soft.

Do I need a water softener in 29483?

At 29 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 29483 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 29483?

Zip code 29483 in Summerville, South Carolina is served by 13 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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