Where does the water in 89449 come from?

Water for zip code 89449 in Stateline, Nevada is provided by 2 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 89449

Stateline, Nevada · Douglas County

69 PPM

4.1 GPG

Slightly Hard

0Soft60120180300+

High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 2 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 2 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

2 USGS-backed sources

2 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.

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 89449

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.

2 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
Gardnerville Ranchos Gid NV0000066	groundwater	83 PPM Slightly Hard	11,300	High Confidence - USGS Monitoring
Kingsbury Gid NV0000004	surface water	30 PPM Soft	3,839	High Confidence - USGS Monitoring

Gardnerville Ranchos Gid

NV0000066

Slightly Hard

83 PPMgroundwater11,300 servedHigh Confidence - USGS Monitoring

Kingsbury Gid

NV0000004

Soft

30 PPMsurface water3,839 servedHigh Confidence - USGS Monitoring

Nearby Zip Codes

8944875 8941183 8941379 8942382 9615017 8970561 9614216 8970354 9572116 9612079 9573516 8970154

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.

Methodology Data sources 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 Stateline, NV (89449).

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Frequently Asked Questions

Is the water hard in Stateline, NV (89449)?

The average water hardness in 89449 is 69 PPM (4.1 GPG), which is classified as slightly hard.

Do I need a water softener in 89449?

At 69 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 89449 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 89449?

Zip code 89449 in Stateline, Nevada is served by 2 water systems.