Where does the water in 84324 come from?

Water for zip code 84324 in Mantua, Utah is provided by 3 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 84324

Mantua, Utah · Box Elder County

335 PPM

19.6 GPG

Very Hard

0Soft60120180300+

Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 3 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 3 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

1 verified treated-water source

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

Water source profile

Primarily groundwater

Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 84324

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.

3 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
Brigham City Water System UTAH02004	groundwater	200 PPM Hard USGS estimate: 190 PPM	20,540	Verified — Annual Water Quality Report
Tremonton City UTAH02011	groundwater	578 PPM Very Hard	13,000	High Confidence — USGS Monitoring
Mantua Town Water System UTAH02018	groundwater	22 PPM Soft	1,200	High Confidence — USGS Monitoring

Brigham City Water System

UTAH02004

Hard

200 PPMgroundwater20,540 servedVerified — Annual Water Quality Report

Source water: 190 PPM

Tremonton City

UTAH02011

Very Hard

578 PPMgroundwater13,000 servedHigh Confidence — USGS Monitoring

Mantua Town Water System

UTAH02018

Soft

22 PPMgroundwater1,200 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

84328201 84302223 84339204 84414200 84310200 84301352 84314341 84326201 84340355 84332200 84319207 84325201

What This Means For You

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

Very Hard Water - Treatment Strongly Recommended

Your water is very hard. Without treatment, you can expect significant scale buildup in pipes and appliances, higher energy bills from reduced water heater efficiency, and persistent issues with skin and hair dryness.

Recommended Products

Salt-Based Water Softener

Our PickAFWFilters Fleck 5600SXT 48K Also GreatWhirlpool WHES40E 40K Also GreatAFWFilters 64K Grain Also GreatAFWFilters Iron Pro 2 64K Also GreatSpringWell Filter + Softener Combo

Water Hardness Test Kit

Our PickVarify (150 Strips)Also GreatJNW Direct (150 Strips)

Whole-House Water Filter

Our PickiSpring WGB32B 3-Stage

Water Softener Salt

Our PickMorton Clean & Protect Also GreatDiamond Crystal Bright & Soft

Shower Head Filter

Our PickWeddell Duo Also GreatAquaBliss SF100 Also GreatSprite Pure 7-Setting Also GreatAqua Earth 20-Stage

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | 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 Mantua, UT (84324).

Submit Your Data

Frequently Asked Questions

Is the water hard in Mantua, UT (84324)?

The average water hardness in 84324 is 335 PPM (19.6 GPG), which is classified as very hard.

Do I need a water softener in 84324?

With hardness of 335 PPM, a water softener is recommended for homes in 84324.

Is hard water in 84324 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 84324?

Zip code 84324 in Mantua, Utah is served by 3 water systems.