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City water profile

Granger water quality

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

Median indexed hardness

296PPM

2 indexed ZIPs

Range 293–298 PPM

State comparison
17 PPM below
State hardness rank
#271 of 386
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Granger has 2 published ZIP profiles across St. Joseph County. The indexed median is 296 PPM, compared with 313 PPM across Indiana.

Among the 386 Indianacities with an indexed median, Granger ranks #271from highest to lowest. Across all 472 state ZIP profiles, available estimates run from 132to 371 PPM.

The 293–298 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
19.9 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Aug 23, 2016 to May 13, 2026.

ZIP directory

Water reports in Granger

Open a ZIP for site-level provenance and measurements.

ZIP code

46530

Very Hard

298 PPM

Nearest site
15.6 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

46635

Very Hard

293 PPM

Nearest site
19.9 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Aqua Indiana - Wedgewood Park Water Util

PWSID IN5271018

Groundwater
System population served
645
Last reported
Jun 30, 2026

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

The Hills At St. Joe Farm

PWSID IN5271002

Groundwater
System population served
25
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.

RecordSystemPeriodStatus
Consumer Confidence RuleIN5271002Oct 1, 2025Resolved
Revised Total Coliform RuleIN5271018Feb 1, 2025Resolved
ArsenicIN5271002Jul 1, 2023Resolved
Revised Total Coliform RuleIN5271002Apr 18, 2023Resolved

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 Granger

Is the water hard?

The indexed city median is 296 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.