Where does the water in 64479 come from?

Water for zip code 64479 in Ravenwood, Missouri 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 64479

Ravenwood, Missouri · Nodaway County

200 PPM

11.7 GPG

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

1 USGS-backed source

2 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 64479

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
Maryville Pws MO1010508	surface water	191 PPM Hard	10,775	High Confidence — USGS Monitoring
Ravenwood Pws MO1010673	groundwater	448 PPM Very Hard	420	Estimated — Nearby Data

Maryville Pws

MO1010508

Hard

191 PPMsurface water10,775 servedHigh Confidence — USGS Monitoring

Ravenwood Pws

MO1010673

Very Hard

448 PPMgroundwater420 servedEstimated — Nearby Data

Nearby Zip Codes

64432191 64434195 64433191 64475191 64489221 64453221 64468191 64476191 64457191 64423191 64486221 64461203

What This Means For You

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

Hard Water - Treatment Recommended

Your water is hard. Scale buildup is likely affecting your plumbing and appliances, reducing their lifespan and efficiency. A water softener is recommended to protect your home.

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

Salt-Free Water Conditioner

Our PickSpringWell Salt-Free Cartridge

Water Hardness Test Kit

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

Shower Head Filter

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

Water Softener Salt

Our PickMorton Clean & Protect Also GreatDiamond Crystal Bright & Soft

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 Ravenwood, MO (64479).

Submit Your Data

Frequently Asked Questions

Is the water hard in Ravenwood, MO (64479)?

The average water hardness in 64479 is 200 PPM (11.7 GPG), which is classified as hard.

Do I need a water softener in 64479?

With hardness of 200 PPM, a water softener is recommended for homes in 64479.

Is hard water in 64479 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 64479?

Zip code 64479 in Ravenwood, Missouri is served by 2 water systems.