Where does the water in 07852 come from?

Water for zip code 07852 in Ledgewood, New Jersey is provided by 14 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 07852

Ledgewood, New Jersey · Morris County

148 PPM

8.6 GPG

Moderately Hard

0Soft60120180300+

Verified - Annual Water Quality Report

Dataset updated March 9, 2026Matched to 14 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 14 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis

2 verified treated-water sources

14 matched systems total for this ZIP; treated-water reports are prioritized when available.

Water source profile

Primarily surface water

Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.

Data recency

March 9, 2026

Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems Serving 07852

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

14 water systems

PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.

Water System	Source	Hardness	Pop. Served	Data Source
Nj American Water - Short Hills NJ0712001	surface water	40 PPM Soft USGS estimate: 188 PPM	217,230	Verified - Annual Water Quality Report
Southeast Morris County Mua NJ1424001	surface water	114 PPM Slightly Hard	62,349	High Confidence - USGS Monitoring
Parsippany-Troy Hills Water Department NJ1429001	surface water	359 PPM Very Hard USGS estimate: 114 PPM	50,400	Verified - Annual Water Quality Report
Dover Water Commission NJ1409001	groundwater	278 PPM Very Hard	27,806	High Confidence - USGS Monitoring
Montville Twp Mua NJ1421003	surface water	118 PPM Slightly Hard	22,000	High Confidence - USGS Monitoring

Nj American Water - Short Hills

NJ0712001

Soft

40 PPMsurface water217,230 servedVerified - Annual Water Quality Report

Source water: 188 PPM

Southeast Morris County Mua

NJ1424001

Slightly Hard

114 PPMsurface water62,349 servedHigh Confidence - USGS Monitoring

Parsippany-Troy Hills Water Department

NJ1429001

Very Hard

359 PPMsurface water50,400 servedVerified - Annual Water Quality Report

Source water: 114 PPM

Dover Water Commission

NJ1409001

Very Hard

278 PPMgroundwater27,806 servedHigh Confidence - USGS Monitoring

Montville Twp Mua

NJ1421003

Slightly Hard

118 PPMsurface water22,000 servedHigh Confidence - USGS Monitoring

Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

07857149 07850150 07876148 07847148 07856150 07803149 07836148 07874276 07843276 07885150 07828153 07869148

What This Means For You

Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.

Methodology Data sources How to test your water

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Ledgewood, NJ (07852).

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Frequently Asked Questions

Is the water hard in Ledgewood, NJ (07852)?

The average water hardness in 07852 is 148 PPM (8.6 GPG), which is classified as moderately hard.

Do I need a water softener in 07852?

With hardness of 148 PPM, a water softener is worth considering for homes in 07852.

Is hard water in 07852 safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve 07852?

Zip code 07852 in Ledgewood, New Jersey is served by 14 water systems.