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Water Hardness in 18337

Milford, Pennsylvania · Pike County

36 PPM
2.1 GPG
Soft
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 10 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 10 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
10 USGS-backed sources
10 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
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 18337

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.

10 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.
Milford Water Authority
PA2520046
Soft
20 PPMsurface water2,420 servedHigh Confidence — USGS Monitoring
Moon Valley Falls
PA2520103
Slightly Hard
90 PPMgroundwater120 servedHigh Confidence — USGS Monitoring
Milford Senior Care
PA2520052
Slightly Hard
90 PPMgroundwater110 servedHigh Confidence — USGS Monitoring
Crescent Lake North Comm Assoc
PA2520086
Slightly Hard
90 PPMgroundwater93 servedHigh Confidence — USGS Monitoring
Nevilles Mobile Home Court
PA2640006
Slightly Hard
90 PPMgroundwater85 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

1845867183369007827249127704118340401832874078512761278012712719451842567078262531273741

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft 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 Milford, PA (18337).

Submit Your Data

Frequently Asked Questions

Is the water hard in Milford, PA (18337)?

The average water hardness in 18337 is 36 PPM (2.1 GPG), which is classified as soft.

Do I need a water softener in 18337?

At 36 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 18337 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 18337?

Zip code 18337 in Milford, Pennsylvania is served by 10 water systems.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

10 min read

How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

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