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City water profile

Bloomington water quality

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

Median indexed hardness

248PPM

5 indexed ZIPs

Range 248–272.5 PPM

State comparison
65 PPM below
State hardness rank
#349 of 386
Matched utilities
9
Active health records
2

City summary

What the indexed records say

Bloomington has 5 published ZIP profiles across Monroe County. The indexed median is 248 PPM, compared with 313 PPM across Indiana.

Among the 386 Indianacities with an indexed median, Bloomington ranks #349from highest to lowest. Across all 472 state ZIP profiles, available estimates run from 132to 371 PPM.

The 248–272.5 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 hard5 ZIPs

5 of 5 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
47.3 miles
Profiles with evidence
5/5

Confidence labels

High: 0Moderate: 0Low: 5

Observation window: Jan 5, 2016 to May 28, 2026.

ZIP directory

Water reports in Bloomington

Open a ZIP for site-level provenance and measurements.

ZIP code

47403

Very Hard

248 PPM

Nearest site
54.5 mi
Confidence
Low

View full ZIP evidence →

ZIP code

47404

Very Hard

248 PPM

Nearest site
45.3 mi
Confidence
Low

View full ZIP evidence →

ZIP code

47405

Very Hard

248 PPM

Nearest site
47.8 mi
Confidence
Low

View full ZIP evidence →

ZIP code

47406

Very Hard

248 PPM

Nearest site
47.3 mi
Confidence
Low

View full ZIP evidence →

ZIP code

47408

Very Hard

272.5 PPM

Nearest site
43.1 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

City Of Bloomington Utilities

PWSID IN5253002

Surface water
System population served
83,000
Last reported
Jun 30, 2026

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

Southern Monroe Water Authority

PWSID IN5253007

Surface water
System population served
8,877
Last reported
Jun 30, 2026

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

Van Buren Water, Inc.

PWSID IN5253008

Surface water
System population served
6,670
Last reported
Jun 30, 2026

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

B&b Water Project, Inc.

PWSID IN5253001

Surface water
System population served
4,695
Last reported
Jun 30, 2026

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

Washington Twp Water Authority

PWSID IN5253009

Surface water
System population served
3,825
Last reported
Jun 30, 2026

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

East Monroe Water Corporation

PWSID IN5253003

Surface water
System population served
3,648
Last reported
Jun 30, 2026

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

Rhs Water Corporation

PWSID IN5253015

Surface water
System population served
870
Last reported
Jun 30, 2026

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

Shady Side Water Corporation

PWSID IN5253014

Surface water
System population served
95
Last reported
Jun 30, 2026

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

Salt Creek Services, Inc.

PWSID IN5253006

Surface water
System population served
90
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

2 unique active health-based records appear among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Stage 1 Disinfectants and Disinfection Byproducts RuleIN5253006Mar 5, 2026Resolved · health-based
Revised Total Coliform RuleIN5253014Mar 1, 2026Archived
Total Haloacetic Acids (HAA5)IN5253006Jan 1, 2026Archived · health-based
CARBON, TOTALIN5253006Dec 1, 2025Archived
Consumer Confidence RuleIN5253014Oct 1, 2025Resolved
Interim Enhanced Surface Water Treatment RuleIN5253006Oct 1, 2025Archived · health-based
Total Haloacetic Acids (HAA5)IN5253006Oct 1, 2025Archived · health-based
Groundwater RuleIN5253006Aug 14, 2025Unaddressed · health-based
Groundwater RuleIN5253006Aug 14, 2025Resolved · health-based
Groundwater RuleIN5253006Aug 14, 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 Bloomington

Is the water hard?

The indexed city median is 248 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.