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Water Hardness in 18974

Warminster, Pennsylvania · Bucks County

159 PPM
9.3 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 19 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 19 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
13 USGS-backed sources
19 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 18974

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.

19 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.
Lower Bucks Co Joint Mun Auth
PA1090026
Moderately Hard
148 PPMsurface water63,007 servedEstimated — Nearby Data
Aqua Pa Bensalem
PA1090078
Hard
184 PPMsurface water59,001 servedHigh Confidence — USGS Monitoring
Bcwsa Main Lower South
PA1090079
Moderately Hard
154 PPMsurface water52,621 servedHigh Confidence — USGS Monitoring
Warminster Municipal Authority
PA1090069
Moderately Hard
148 PPMsurface water40,000 servedHigh Confidence — USGS Monitoring
Newtown Artesian Water Co
PA1090043
Moderately Hard
148 PPMsurface water38,500 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.

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Warminster, PA (18974).

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Frequently Asked Questions

Is the water hard in Warminster, PA (18974)?

The average water hardness in 18974 is 159 PPM (9.3 GPG), which is classified as moderately hard.

Do I need a water softener in 18974?

With hardness of 159 PPM, a water softener is worth considering for homes in 18974.

Is hard water in 18974 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 18974?

Zip code 18974 in Warminster, Pennsylvania is served by 19 water systems.

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