Skip to content

City water profile

Osceola water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Osceola, Iowa.

Median indexed hardness

201PPM

One indexed ZIP

Range 201–201 PPM

State comparison
80 PPM below
State hardness rank
#656 of 683
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Osceola has 1 published ZIP profile across Clarke County. The indexed median is 201 PPM, compared with 281 PPM across Iowa.

Among the 683 Iowacities with an indexed median, Osceola ranks #656from highest to lowest. Across all 723 state ZIP profiles, available estimates run from 182to 834 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
44.5 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Jan 11, 2016 to Jul 28, 2025.

ZIP directory

Water reports in Osceola

Open a ZIP for site-level provenance and measurements.

ZIP code

50213

Very Hard

201 PPM

Nearest site
44.5 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Osceola Water Works

PWSID IA2038038

Surface water
System population served
5,503
Last reported
Jun 17, 2026

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

Sirwa #3 (osceola)

PWSID IA2038701

Surface water
System population served
4,080
Last reported
Jun 17, 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
Long Term 2 Enhanced Surface Water Treatment RuleIA2038038Sep 1, 2024Resolved · health-based
Long Term 2 Enhanced Surface Water Treatment RuleIA2038038Mar 1, 2024Resolved · health-based
Long Term 2 Enhanced Surface Water Treatment RuleIA2038038Feb 1, 2024Archived
Public NoticeIA2038038Nov 14, 2020Unaddressed

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 Osceola

Is the water hard?

The indexed city median is 201 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.