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Water Hardness in 73559

Mountain Park, Oklahoma · Kiowa County

894 PPM
52.3 GPG
Very Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 1 water systemTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 1 matched water system. 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
1 matched system 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 73559

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.

1 water system
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.
Mountain Park Public Works Auth
OK3003807
Very Hard
894 PPMsurface water473 servedHigh Confidence — USGS Monitoring

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.

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

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 Mountain Park, OK (73559).

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Frequently Asked Questions

Is the water hard in Mountain Park, OK (73559)?

The average water hardness in 73559 is 894 PPM (52.3 GPG), which is classified as very hard.

Do I need a water softener in 73559?

With hardness of 894 PPM, a water softener is recommended for homes in 73559.

Is hard water in 73559 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 73559?

Zip code 73559 in Mountain Park, Oklahoma is served by 1 water system.

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