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Water Hardness in 30736

Ringgold, Georgia · Catoosa County

100 PPM
5.9 GPG
Slightly Hard
0Soft60120180300+
High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 2 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 2 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
2 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 30736

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.

2 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.
Catoosa Util. Dist. Authority
GA0470000
Slightly Hard
100 PPMsurface water56,670 servedHigh Confidence - USGS Monitoring
Ringgold
GA0470002
Slightly Hard
100 PPMsurface water2,743 servedHigh Confidence - USGS Monitoring

Nearby Zip Codes

3072610030755243074210030739106374126030741105374216037302603741160307402437407603740460

What This Means For You

Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.

MethodologyData sourcesHow to test your 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 Ringgold, GA (30736).

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Frequently Asked Questions

Is the water hard in Ringgold, GA (30736)?

The average water hardness in 30736 is 100 PPM (5.9 GPG), which is classified as slightly hard.

Do I need a water softener in 30736?

At 100 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 30736 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 30736?

Zip code 30736 in Ringgold, Georgia is served by 2 water systems.

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