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Water Hardness in 17847

Milton, Pennsylvania · Northumberland County

71 PPM
4.1 GPG
Slightly Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 12 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 12 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
12 USGS-backed sources
12 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 17847

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.

12 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.
Aqua Pa Roaring Creek Division
PA4490024
Slightly Hard
79 PPMsurface water43,000 servedHigh Confidence — USGS Monitoring
Pa American White Deer
PA4490023
Slightly Hard
63 PPMsurface water30,209 servedHigh Confidence — USGS Monitoring
Pa American Water Berwick
PA4190013
Slightly Hard
63 PPMgroundwater15,282 servedHigh Confidence — USGS Monitoring
Municipal Authority Sunbury
PA4490007
Slightly Hard
79 PPMsurface water11,043 servedHigh Confidence — USGS Monitoring
Pa Am Water Co-Frackville Dist
PA3540032
Slightly Hard
63 PPMgroundwater5,583 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

What This Means For You

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

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | 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 Milton, PA (17847).

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Frequently Asked Questions

Is the water hard in Milton, PA (17847)?

The average water hardness in 17847 is 71 PPM (4.1 GPG), which is classified as slightly hard.

Do I need a water softener in 17847?

At 71 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 17847 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 17847?

Zip code 17847 in Milton, Pennsylvania is served by 12 water systems.

Learn More About Your Water