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City water profile

Hawthorne water quality

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

Median indexed hardness

113PPM

One indexed ZIP

Range 112.5–112.5 PPM

State comparison
32 PPM above
State hardness rank
#6 of 60
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Hawthorne has 1 published ZIP profile across Passaic County. The indexed median is 113 PPM, compared with 81 PPM across New Jersey.

Among the 60 New Jerseycities with an indexed median, Hawthorne ranks #6from highest to lowest. Across all 84 state ZIP profiles, available estimates run from 47to 121.5 PPM.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard1 ZIP
Hard0 ZIPs
Very hard0 ZIPs

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
1.1 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

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

ZIP directory

Water reports in Hawthorne

Open a ZIP for site-level provenance and measurements.

ZIP code

07506

Moderately Hard

112.5 PPM

Nearest site
1.1 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Hawthorne Water Department

PWSID NJ1604001

Groundwater
System population served
19,458
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.

RecordSystemPeriodStatus
Total Haloacetic Acids (HAA5)NJ1604001Oct 1, 2025Resolved
TTHMNJ1604001Jun 1, 2024Archived
Total Haloacetic Acids (HAA5)NJ1604001Jun 1, 2024Archived
Public NoticeNJ1604001May 1, 2024Resolved
Public NoticeNJ1604001May 1, 2024Resolved
Public NoticeNJ1604001May 1, 2024Resolved
Public NoticeNJ1604001May 1, 2024Resolved
Public NoticeNJ1604001May 1, 2024Resolved
Public NoticeNJ1604001Jan 14, 2024Resolved
Public NoticeNJ1604001Jan 14, 2024Resolved

Practical next steps

Move from index to evidence

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

Questions people ask

About water in Hawthorne

Is the water hard?

The indexed city median is 113 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.