Where does the water in 28579 come from?

Water for zip code 28579 in Smyrna, North Carolina is provided by 1 water system. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 28579

Smyrna, North Carolina · Carteret County

250 PPM

14.6 GPG

Very Hard

0Soft60120180300+

High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 1 water systemTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 1 matched water system. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis

1 USGS-backed source

1 matched system total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.

Water source profile

Primarily groundwater

Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 28579

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.

1 water system

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.

Water System	Source	Hardness	Pop. Served	Data Source
West Carteret Water Corp NC0416040	groundwater	250 PPM Very Hard	19,512	High Confidence - USGS Monitoring

West Carteret Water Corp

NC0416040

Very Hard

250 PPMgroundwater19,512 servedHigh Confidence - USGS Monitoring

Nearby Zip Codes

28589250 28524250 28581250 28553250 28528250 28516209 28531250 28577250 28511250 28520250 28557219 28512231

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.

Methodology Data sources How 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 Smyrna, NC (28579).

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Frequently Asked Questions

Is the water hard in Smyrna, NC (28579)?

The average water hardness in 28579 is 250 PPM (14.6 GPG), which is classified as very hard.

Do I need a water softener in 28579?

With hardness of 250 PPM, a water softener is recommended for homes in 28579.

Is hard water in 28579 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 28579?

Zip code 28579 in Smyrna, North Carolina is served by 1 water system.