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City water profile

Peru water quality

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

Median indexed hardness

312PPM

One indexed ZIP

Range 312–312 PPM

State comparison
1 PPM below
State hardness rank
#218 of 386
Matched utilities
10
Active health records
0

City summary

What the indexed records say

Peru has 1 published ZIP profile across Miami County. The indexed median is 312 PPM, compared with 313 PPM across Indiana.

Among the 386 Indianacities with an indexed median, Peru ranks #218from highest to lowest. Across all 472 state ZIP profiles, available estimates run from 132to 371 PPM.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community. 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 hard1 ZIP

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
33.3 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Mar 30, 2016 to May 13, 2026.

ZIP directory

Water reports in Peru

Open a ZIP for site-level provenance and measurements.

ZIP code

46970

Very Hard

312 PPM

Nearest site
33.3 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Peru Water Department

PWSID IN5252016

Groundwater
System population served
11,417
Last reported
Jun 30, 2026

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

Peru Utilities/grissom

PWSID IN5252011

Groundwater
System population served
2,500
Last reported
Jun 30, 2026

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

Maple Lawn Village

PWSID IN5252013

Groundwater
System population served
250
Last reported
Jun 30, 2026

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

Woodland Hills Mobile Home Park #2

PWSID IN5252017

Groundwater
System population served
168
Last reported
Jun 30, 2026

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

Cedar Creek Mobile Home Park

PWSID IN5252022

Groundwater
System population served
150
Last reported
Jun 30, 2026

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

Woodland Hills Mobile Home Park #1

PWSID IN5252008

Groundwater
System population served
100
Last reported
Jun 30, 2026

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

Wells Homeowners Association, Inc.

PWSID IN5252009

Groundwater
System population served
98
Last reported
Jun 30, 2026

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

Kings Court Mobile Home Park

PWSID IN5252012

Groundwater
System population served
70
Last reported
Jun 30, 2026

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

Roads End Mobile Home Park

PWSID IN5252024

Groundwater
System population served
60
Last reported
Jun 30, 2026

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

Hilltop Ridge Apartments

PWSID IN5252001

Groundwater
System population served
52
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
Revised Total Coliform RuleIN5252012Feb 1, 2026Archived
Revised Total Coliform RuleIN5252012Jan 1, 2026Archived
Lead and Copper RuleIN5252024Jan 1, 2026Unaddressed
Lead and Copper RuleIN5252019Jan 1, 2026Unaddressed
Revised Total Coliform RuleIN5252012Dec 1, 2025Archived
Revised Total Coliform RuleIN5252012Nov 1, 2025Archived
Revised Total Coliform RuleIN5252012Oct 20, 2025Unaddressed
Revised Total Coliform RuleIN5252012Oct 1, 2025Archived
Radium-228IN5252012Oct 1, 2025Archived
Gross Alpha, Excl. Radon and UIN5252012Oct 1, 2025Archived

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 Peru

Is the water hard?

The indexed city median is 312 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.