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Water Hardness in 58845

Alkabo, North Dakota · Williams County

559 PPM
32.7 GPG
Very Hard
0Soft60120180300+
High Confidence - USGS Monitoring

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 USGS-backed source
3 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 58845

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.
Williston City Of
ND5301012
Very Hard
561 PPMsurface water26,426 servedEstimated - County Avg
Northwest Rural Water District
ND5301079
Very Hard
561 PPMsurface water5,102 servedEstimated - County Avg
Grenora City Of
ND5300425
Hard
249 PPMgroundwater244 servedHigh Confidence - USGS Monitoring

Nearby Zip Codes

58856561592195475884450059275210592119005883056158833307

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 Alkabo, ND (58845).

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Frequently Asked Questions

Is the water hard in Alkabo, ND (58845)?

The average water hardness in 58845 is 559 PPM (32.7 GPG), which is classified as very hard.

Do I need a water softener in 58845?

With hardness of 559 PPM, a water softener is recommended for homes in 58845.

Is hard water in 58845 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 58845?

Zip code 58845 in Alkabo, North Dakota is served by 3 water systems.

Learn More About Your Water

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