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City water profile

Middlebury water quality

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

Median indexed hardness

310PPM

One indexed ZIP

Range 310–310 PPM

State comparison
3 PPM below
State hardness rank
#231 of 386
Matched utilities
3
Active health records
0

City summary

What the indexed records say

Middlebury has 1 published ZIP profile across Elkhart County. The indexed median is 310 PPM, compared with 313 PPM across Indiana.

Among the 386 Indianacities with an indexed median, Middlebury ranks #231from 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.

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
15.2 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

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

ZIP directory

Water reports in Middlebury

Open a ZIP for site-level provenance and measurements.

ZIP code

46540

Very Hard

310 PPM

Nearest site
15.2 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Middlebury Water Department

PWSID IN5220014

Groundwater
System population served
3,420
Last reported
Jun 30, 2026

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

Neighbors Of Pine Hills Holdings, Llc

PWSID IN5220032

Groundwater
System population served
332
Last reported
Jun 30, 2026

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

Tall Oaks Mobile Home Park

PWSID IN5220035

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.

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 RuleIN5220014Oct 1, 2025Resolved
Revised Total Coliform RuleIN5220032Feb 1, 2025Resolved
ArsenicIN5220032Jan 1, 2024Resolved
TTHMIN5220014Jan 1, 2023Resolved
Total Haloacetic Acids (HAA5)IN5220014Jan 1, 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 Middlebury

Is the water hard?

The indexed city median is 310 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.