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City water profile

Sidney water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Sidney, Ohio.

Median indexed hardness

334PPM

One indexed ZIP

Range 333.5–333.5 PPM

State comparison
108 PPM above
State hardness rank
#36 of 119
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Sidney has 1 published ZIP profile across Shelby County. The indexed median is 334 PPM, compared with 226 PPM across Ohio.

Among the 119 Ohiocities with an indexed median, Sidney ranks #36from highest to lowest. Across all 162 state ZIP profiles, available estimates run from 77.2to 387 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
30.9 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Aug 27, 2018 to Dec 4, 2024.

ZIP directory

Water reports in Sidney

Open a ZIP for site-level provenance and measurements.

ZIP code

45365

Very Hard

333.5 PPM

Nearest site
30.9 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Sidney City Pws

PWSID OH7501214

Surface water
System population served
20,614
Last reported
May 15, 2026

A municipal system, in-state city, and served county all agree with this Census 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
TTHMOH7501214Oct 1, 2024Resolved · health-based
TTHMOH7501214Oct 1, 2021Resolved
Total Haloacetic Acids (HAA5)OH7501214Oct 1, 2021Resolved
Consumer Confidence RuleOH7501214Nov 8, 2018Unaddressed

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 Sidney

Is the water hard?

The indexed city median is 334 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.