Water hardness in Raleigh
ZIP 27601

Raleigh, North Carolina water hardness report with local comparison and next-step guidance.

Hardness band
D
Quick answer

420 PPM means hard water in this ZIP code

Expect visible scale, faster appliance wear, and a strong case for treatment.

This ZIP code is about 145 PPM harder than the North Carolina average.

At a glance
PPM
420
GPG
24.6
State average
275 PPM

Local reading

Hardness scale Very Hard (D)
0SoftModerateHardHigh

Water in Raleigh ZIP 27601 is currently recorded at 420 PPM. That is about 24.6 grains per gallon, which is the format many softener buyers use when comparing systems.

Total Hardness
420PPM
pH Balance
7.5

Common household impact and typical response

Critical

Limescale on heaters and kettles

Typical response

If scaling is frequent, compare softeners or maintenance habits before replacing appliances.

Suggested next step
Compare local guides
High Risk

Dry skin and soap performance

Typical response

Hard water can make skin feel tighter and reduce lather. A full-home treatment setup is not always the first step.

Suggested next step
Review treatment basics

What this reading usually means (D)

Severe hardness profile. Immediate treatment is recommended to reduce infrastructure damage risk.

Data quality: Eligible for indexing

Helpful guides for this hardness level

Nearby ZIP codes to compare in North Carolina

Compare nearby areas to see whether this reading is unusual for the state or fairly typical nearby.

Keep comparing before you buy

A local reading is only the first step. Compare the state page and a few practical guides before deciding whether treatment is worth the money.

Source references: EPA public records, municipal water utility reports. Last technical update: 2026-04-28.