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Water Hardness in 44481

Warren, Ohio · Trumbull County

124 PPM
7.2 GPG
Moderately Hard
0Soft60120180300+
High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 9 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 9 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
6 USGS-backed sources
9 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 44481

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.

9 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.
Warren City Pws
OH7803811
Slightly Hard
93 PPMsurface water49,130 servedEstimated - Nearby Data
Niles City Pws
OH7802403
Moderately Hard
145 PPMsurface water21,961 servedEstimated - Nearby Data
Girard City
OH7801103
Moderately Hard
145 PPMsurface water14,122 servedEstimated - Nearby Data
Lordstown Village Pws
OH7804403
Hard
242 PPMsurface water3,515 servedHigh Confidence - USGS Monitoring
Lisbon Village
OH1501512
Hard
242 PPMgroundwater2,821 servedHigh Confidence - USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

444441234443011544485115444401154442910044451100444831154444611544412279445151004448411544437116

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.

MethodologyData sourcesHow 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 Warren, OH (44481).

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Frequently Asked Questions

Is the water hard in Warren, OH (44481)?

The average water hardness in 44481 is 124 PPM (7.2 GPG), which is classified as moderately hard.

Do I need a water softener in 44481?

With hardness of 124 PPM, a water softener is worth considering for homes in 44481.

Is hard water in 44481 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 44481?

Zip code 44481 in Warren, Ohio is served by 9 water systems.

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