WH

Water Hardness in 29470

Ravenel, South Carolina · Charleston County

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

Dataset updated March 9, 2026Matched to 5 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 5 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
3 verified treated-water sources
5 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 29470

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.

5 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.
Charleston Water System (Sc1010001)
SC1010001
Soft
29 PPMsurface water327,422 servedVerified — Annual Water Quality Report
Source water: 47 PPM
Mt Pleasant Water Works (1010002)
SC1010002
Soft
29 PPMsurface water91,500 servedVerified — Annual Water Quality Report
Source water: 47 PPM
St John'S Water (Sc1020002)
SC1020002
Soft
29 PPMsurface water22,592 servedVerified — Annual Water Quality Report
Source water: 47 PPM
Jericho Trailer Park (1060061)
SC1060061
Slightly Hard
69 PPMgroundwater103 servedHigh Confidence — USGS Monitoring
Wa Burbage Trailer Park 1 (1060014)
SC1060014
Slightly Hard
69 PPMgroundwater81 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

294142929485292944929294182929426292942029294042929487292945529294072929405292940629

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 Ravenel, SC (29470).

Submit Your Data

Frequently Asked Questions

Is the water hard in Ravenel, SC (29470)?

The average water hardness in 29470 is 29 PPM (1.7 GPG), which is classified as soft.

Do I need a water softener in 29470?

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

Is hard water in 29470 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 29470?

Zip code 29470 in Ravenel, South Carolina is served by 5 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