Is Wilmington water hard?

Wilmington water runs about 2.9 GPG. That is soft enough that a water softener is usually unnecessary here — the honest answer is that most homes in this area do not need one.

What is Wilmington water treated with?

Wilmington's supply comes from Cape Fear River — CFPUA Sweeney plant (deep-bed GAC) and is disinfected with chlorine. Free chlorine is comparatively easy to remove with quality carbon filtration.

Where do these Wilmington water figures come from?

The utility's own published annual water quality report.

The utility's own report

Wilmington water quality

Source: Cape Fear River — CFPUA Sweeney plant (deep-bed GAC)
Hardness: 2.9 GPG
Disinfected with: chlorine

You probably don't need a water softener in Wilmington. At 2.9 GPG, the water here is already soft. We'd rather tell you that than sell you something you don't need — what's worth addressing here is chlorine byproducts, not hardness.

What's in Wilmington tap water

Contaminants detected in Wilmington tap water
Contaminant	Detected	Health guideline	Legal limit	Over guideline
Total Trihalomethanes Disinfection ByproductChlorine byproducts are Wilmington's real remaining issue, not GenX. Linked to bladder cancer.	30.6 ppb	0.15 ppb	80 ppb	204×
Haloacetic Acids (HAA5) Disinfection ByproductFive chlorination byproducts linked to cancer and developmental harm.	22.7 ppb	0.1 ppb	60 ppb	227×
GenX (HFPO-DA) PFASPost-GAC average. CFPUA's roughly $91M granular activated carbon build genuinely solved this — it now runs far below the federal limit.	0.10 ppt	—	4.0 ppt	—
PFOA (Forever Chemical) PFASPost-GAC average, below the health guideline as well as the legal limit.	0.03 ppt	0.09 ppt	4.0 ppt	—

Figures from the utility's published water quality report.

Honest Water in Wilmington

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Wilmington water questions

Is Wilmington water hard?: Wilmington water runs about 2.9 GPG. That is soft enough that a water softener is usually unnecessary here — the honest answer is that most homes in this area do not need one.
What is Wilmington water treated with?: Wilmington's supply comes from Cape Fear River — CFPUA Sweeney plant (deep-bed GAC) and is disinfected with chlorine. Free chlorine is comparatively easy to remove with quality carbon filtration.
Where do these Wilmington water figures come from?: The utility's own published annual water quality report.

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