Water Hardness Atlas ZIP / postcode

Water hardness in Ringwood

6.6 gpg moderately hard

Tap water in Ringwood is moderately hard: 6.6 gpg (113 mg/L · 6.3 °dH · 11.3 °fH).

<6060–120120–180>180 mg/L

Source: Borough of Ringwood 2025 Consumer Confidence Report (PWSID NJ1611002) (2025) · data checked 2026-11-03

Range across supply zones: 38–191 mg/L.

The Borough of Ringwood's 2025 report gives an average of 112.8 mg/L (6.6 gpg), with a range of 37.9 to 191.0 mg/L (2.2 to 11.2 gpg). The spread is wide for a small system, so hardness at your tap may differ noticeably from the average depending on which part of the system serves you. We have not confirmed the borough's specific sources.

USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.

Water data

Total hardness6.6 gpg
UtilityBorough of Ringwood Water System (PWSID NJ1611002)

How Ringwood compares

Ranking of the hardest and softest water in the United States →

What it means at home

How much salt will you use for softening?

Optional. A scale inhibitor or a small softener protects the heater; soap savings are modest.

Descale a coffee machine or kettle about every 3 months (typical manufacturer guidance for this hardness).

Estimates for planning, not a quote. Check your appliance manual for exact settings.

Dishwasher setting in Ringwood

BrandSetting for this water
BoschH00
Miele6 °dH
AEG / Electrolux2
Beko2nd
HooverS1
LGH1

From each brand's manual for the model family named in the source; your model may differ, so check its manual. All brands and how to change the setting →

FAQ

Is Ringwood water hard or soft?

It is moderately hard: 113 mg/L as CaCO₃ (6.6 gpg, 6.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Ringwood safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.

How many grains per gallon is Ringwood water?

6.6 gpg, equal to 6.3 °dH, 11.3 °fH or 113 mg/L calcium carbonate.

What dishwasher salt setting should I use in Ringwood?

For 113 mg/L (6.3 °dH) check your manufacturer's table: level 2–3.

Do I need a water softener in Ringwood?

Not essential; a scale inhibitor protects the heater cheaply.

Source

Source: Borough of Ringwood 2025 Consumer Confidence Report (PWSID NJ1611002) (2025). Method: figure published by the water supplier. Borough of Ringwood 2025 Consumer Confidence Report (PWSID NJ1611002) · Outdated figure? Tell us

Report an outdated or wrong figure