Skip to content

City water profile

Mill Shoals water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Mill Shoals, Illinois.

Median indexed hardness

167PPM

2 indexed ZIPs

Range 167–167 PPM

State comparison
118 PPM below
State hardness rank
#877 of 913
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Mill Shoals has 2 published ZIP profiles across Wayne County and White County. The indexed median is 167 PPM, compared with 285 PPM across Illinois.

Among the 913 Illinoiscities with an indexed median, Mill Shoals ranks #877from highest to lowest. Across all 1,065 state ZIP profiles, available estimates run from 115to 408 PPM.

The 167–167 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
Hard2 ZIPs
Very hard0 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
23.8 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 0Low: 2

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

ZIP directory

Water reports in Mill Shoals

Open a ZIP for site-level provenance and measurements.

ZIP code

62809

Hard

167 PPM

Nearest site
23.8 mi
Confidence
Low

View full ZIP evidence →

ZIP code

62862

Hard

167 PPM

Nearest site
20.4 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Mill Shoals

PWSID IL1930300

Surface water
System population served
224
Last reported
May 27, 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 RuleIL1930300Jul 1, 2025Unaddressed
Lead and Copper RuleIL1930300Oct 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 Mill Shoals

Is the water hard?

The indexed city median is 167 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.