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City water profile

Greenwood water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Greenwood, Indiana.

Median indexed hardness

349PPM

2 indexed ZIPs

Range 349–349 PPM

State comparison
36 PPM above
State hardness rank
#95 of 386
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Greenwood has 2 published ZIP profiles across Johnson County. The indexed median is 349 PPM, compared with 313 PPM across Indiana.

Among the 386 Indianacities with an indexed median, Greenwood ranks #95from highest to lowest. Across all 472 state ZIP profiles, available estimates run from 132to 371 PPM.

The 349–349 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard2 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
9.3 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Mar 30, 2016 to Sep 10, 2025.

ZIP directory

Water reports in Greenwood

Open a ZIP for site-level provenance and measurements.

ZIP code

46142

Very Hard

349 PPM

Nearest site
8.3 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

46143

Very Hard

349 PPM

Nearest site
9.3 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Indiana American Water - Johnson County

PWSID IN5241005

Groundwater
System population served
86,813
Last reported
Jun 30, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

No violation records are included in the current lookback window.

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Greenwood

Is the water hard?

The indexed city median is 349 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.