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City water profile

Warsaw water quality

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

Median indexed hardness

308PPM

2 indexed ZIPs

Range 307–308.5 PPM

State comparison
5 PPM below
State hardness rank
#245 of 386
Matched utilities
10
Active health records
1

City summary

What the indexed records say

Warsaw has 2 published ZIP profiles across Kosciusko County. The indexed median is 308 PPM, compared with 313 PPM across Indiana.

Among the 386 Indianacities with an indexed median, Warsaw ranks #245from highest to lowest. Across all 472 state ZIP profiles, available estimates run from 132to 371 PPM.

The 307–308.5 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

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
44.2 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 0Low: 2

Observation window: Jun 20, 2016 to May 13, 2026.

ZIP directory

Water reports in Warsaw

Open a ZIP for site-level provenance and measurements.

ZIP code

46580

Very Hard

308.5 PPM

Nearest site
44.2 mi
Confidence
Low

View full ZIP evidence →

ZIP code

46582

Very Hard

307 PPM

Nearest site
39.7 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Indiana American Water - Warsaw

PWSID IN5243030

Groundwater
System population served
13,835
Last reported
Jun 30, 2026

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

Mecks Whispering Pines Ii Llc

PWSID IN5243033

Groundwater
System population served
598
Last reported
Jun 30, 2026

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

Green Acres Mobile Home Park

PWSID IN5243006

Groundwater
System population served
500
Last reported
Jun 30, 2026

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

Hideaway Hills

PWSID IN5243008

Groundwater
System population served
470
Last reported
Jun 30, 2026

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

Westhaven Mhp Llc

PWSID IN5243028

Groundwater
System population served
417
Last reported
Jun 30, 2026

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

Suburban Acres Mhp

PWSID IN5243024

Groundwater
System population served
333
Last reported
Jun 30, 2026

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

Lake Estates Manufactured Home Community

PWSID IN5243010

Groundwater
System population served
192
Last reported
Jun 30, 2026

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

Neighbors Of Timbercreek

PWSID IN5243007

Groundwater
System population served
110
Last reported
Jun 30, 2026

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

Country Club Crossing

PWSID IN5243040

Groundwater
System population served
44
Last reported
Jun 30, 2026

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

Windstar Park Inc.

PWSID IN5243047

Groundwater
System population served
44
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

1 unique active health-based record appears among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Lead and Copper RuleIN5243033Jan 1, 2026Unaddressed
ArsenicIN5243010Jan 1, 2026Archived · health-based
Public NoticeIN5243010Dec 2, 2025Unaddressed
Public NoticeIN5243047Dec 2, 2025Unaddressed
Consumer Confidence RuleIN5243028Oct 1, 2025Unaddressed
Consumer Confidence RuleIN5243010Oct 1, 2025Unaddressed
Consumer Confidence RuleIN5243007Oct 1, 2025Resolved
Consumer Confidence RuleIN5243040Oct 1, 2025Resolved
Consumer Confidence RuleIN5243047Oct 1, 2025Unaddressed
Groundwater RuleIN5243047Sep 4, 2025Unaddressed · health-based

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 Warsaw

Is the water hard?

The indexed city median is 308 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.