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Water Hardness in Ocean Isle Beach, NC

North Carolina · 1 zip codes · 4 matched water systems

158 PPM
9.2 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20264 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 4 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
2 USGS-backed sources
4 matched systems total for this city; 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 in Ocean Isle Beach

These systems are matched to Ocean Isle Beach, NC. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

4 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.
Brunswick County Water System
NC0410045
Moderately Hard
151 PPMsurface water142,227 servedEstimated — Nearby Data
Brunswick Regional Water And Sewer H2Go
NC0410070
Hard
185 PPMgroundwater45,748 servedHigh Confidence — USGS Monitoring
Oak Island, Town Of
NC0410020
Moderately Hard
151 PPMsurface water26,924 servedHigh Confidence — USGS Monitoring
Ocean Isle Beach, Town Of
NC0410035
Moderately Hard
151 PPMsurface water7,925 servedEstimated — Nearby Data

Zip Codes in Ocean Isle Beach, NC

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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 Ocean Isle Beach, NC.

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Frequently Asked Questions

How hard is the water in Ocean Isle Beach, NC?

The citywide weighted average water hardness in Ocean Isle Beach, NC is 158 PPM (9.2 GPG), classified as moderately hard. This is based on 4 matched water systems.

Do I need a water softener in Ocean Isle Beach, NC?

With a citywide average hardness of 158 PPM, a water softener is worth considering for homes in Ocean Isle Beach. Confirm your tap reading before sizing equipment.

Is hard water in Ocean Isle Beach, NC 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 Ocean Isle Beach, NC?

Ocean Isle Beach, North Carolina is served by 4 matched water systems across 1 zip code.

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