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Water Hardness in 46172

Roachdale, Indiana · Putnam County

290 PPM
17 GPG
Very Hard
0Soft60120180300+
High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 4 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 4 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
4 USGS-backed sources
4 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 46172

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.

4 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.
Greencastle Department Of Water
IN5267004
Very Hard
275 PPMsurface water12,699 servedHigh Confidence - USGS Monitoring
Roachdale Water Works
IN5267007
Very Hard
320 PPMgroundwater980 servedHigh Confidence - USGS Monitoring
Van Bibber Lake Conservancy District
IN5267010
Very Hard
473 PPMgroundwater830 servedHigh Confidence - USGS Monitoring
Wingate Water Works
IN5254014
Very Hard
320 PPMgroundwater299 servedHigh Confidence - USGS Monitoring

Nearby Zip Codes

461052784795437946175281461653574796838447965388461282754613531346121275479893844614724346103357

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 Roachdale, IN (46172).

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Frequently Asked Questions

Is the water hard in Roachdale, IN (46172)?

The average water hardness in 46172 is 290 PPM (17 GPG), which is classified as very hard.

Do I need a water softener in 46172?

With hardness of 290 PPM, a water softener is recommended for homes in 46172.

Is hard water in 46172 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 46172?

Zip code 46172 in Roachdale, Indiana is served by 4 water systems.

Learn More About Your Water

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Water Hardness Scale: PPM and GPG Chart

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Well Water Hardness: Why It's Usually Hard & How to Treat It

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