Is tap water safe in Florham Park?

EPA SDWIS shows no active health-based violation in this profile's reporting window. That is not the same as proving every contaminant is absent, and federal data can lag state and utility records.

How hard is the water in Florham Park, NJ?

Nearby USGS observations produce an estimate of 97 ppm (5.7 grains per gallon), classified as moderately hard. This is not a tap measurement.

Do I need a water softener in ZIP code 07961?

There is no high-hardness trigger in this profile. Confirm conditions with an at-home hardness test before purchasing equipment.

City water profile

Florham Park water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Florham Park, New Jersey.

Median indexed hardness

97PPM

2 indexed ZIPs

Range 96.5–97 PPM

State comparison: 16 PPM above
State hardness rank: #8 of 60
Matched utilities: 1
Active health records: 0

City summary

What the indexed records say

Florham Park has 2 published ZIP profiles across Morris County. The indexed median is 97 PPM, compared with 81 PPM across New Jersey.

Among the 60 New Jerseycities with an indexed median, Florham Park ranks #8from highest to lowest. Across all 84 state ZIP profiles, available estimates run from 47to 121.5 PPM.

The 96.5–97 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard2 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 3.6 miles
Profiles with evidence: 2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Mar 30, 2016 to Jun 10, 2026.

ZIP directory

Water reports in Florham Park

Open a ZIP for site-level provenance and measurements.

ZIP code

07932

Moderately Hard

96.5 PPM

Nearest site: 3.6 mi
Confidence: Moderate

View full ZIP evidence →

ZIP code

07961

Moderately Hard

97 PPM

Nearest site: 1.9 mi
Confidence: Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Florham Park Water Dept

PWSID NJ1411001

Groundwater

System population served: 8,846
Last reported: Jun 30, 2026

A municipal system, in-state city, and served county all agree with this Census ZCTA.

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

Record	System	Period	Status
Combined Uranium	NJ1411001	Jul 1, 2024	Resolved
Radium-226	NJ1411001	Jul 1, 2024	Resolved
Radium-228	NJ1411001	Jul 1, 2024	Resolved
Gross Alpha, Excl. Radon and U	NJ1411001	Jul 1, 2024	Resolved
Combined Radium (-226 and -228)	NJ1411001	Jul 1, 2024	Resolved
Revised Total Coliform Rule	NJ1411001	Jan 11, 2022	Resolved
1,2,4-Trichlorobenzene	NJ1411001	Jan 1, 2021	Resolved
cis-1,2-Dichloroethylene	NJ1411001	Jan 1, 2021	Resolved
Xylenes, Total	NJ1411001	Jan 1, 2021	Resolved
o-Dichlorobenzene	NJ1411001	Jan 1, 2021	Resolved

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other New Jersey communities

Boonton

Morris County

81 PPM median

Dover

Morris County

114 PPM median

Kinnelon

Morris County

84 PPM median

Lincoln Park

Morris County

81 PPM median

Madison

Morris County

93 PPM median

Netcong

Morris County

118 PPM median

Search all 60 New Jersey cities →

Questions people ask

About water in Florham Park

Is the water hard?

The indexed city median is 97 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.