Is tap water safe in Yorkville?

EPA SDWIS shows no active health-based violation in this profile's reporting window. That is not the same as proving every contaminant is absent, and federal data can lag state and utility records.

How hard is the water in Yorkville, IL?

Nearby USGS observations produce an estimate of 322 ppm (18.8 grains per gallon), classified as very hard. This is not a tap measurement.

Do I need a water softener in ZIP code 60512?

At 322 ppm, a correctly sized whole-house softener can reduce scale buildup and hard-water spotting. Treatment for hardness does not remove all health-related contaminants.

City water profile

Yorkville water quality

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

Median indexed hardness

322PPM

2 indexed ZIPs

Range 322–322 PPM

State comparison: 37 PPM above
State hardness rank: #167 of 913
Matched utilities: 1
Active health records: 0

City summary

What the indexed records say

Yorkville has 2 published ZIP profiles across Kendall County. The indexed median is 322 PPM, compared with 285 PPM across Illinois.

Among the 913 Illinoiscities with an indexed median, Yorkville ranks #167from highest to lowest. Across all 1,065 state ZIP profiles, available estimates run from 115to 408 PPM.

The 322–322 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard2 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: 15.1 miles
Profiles with evidence: 2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: May 30, 2017 to Aug 21, 2023.

ZIP directory

Water reports in Yorkville

Open a ZIP for site-level provenance and measurements.

ZIP code

60512

Very Hard

322 PPM

Nearest site: 10.9 mi
Confidence: Moderate

View full ZIP evidence →

ZIP code

60560

Very Hard

322 PPM

Nearest site: 15.1 mi
Confidence: Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Yorkville

PWSID IL0930250

Groundwater

System population served: 23,000
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.

Record	System	Period	Status
Combined Radium (-226 and -228)	IL0930250	Oct 1, 2021	Resolved

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other Illinois communities

Minooka

Kendall County

320 PPM median

Montgomery

Kendall County

322 PPM median

Oswego

Kendall County

321 PPM median

Plano

Kendall County

322 PPM median

West Chicago

Dupage County

323 PPM median

Batavia

Kane County

323 PPM median

Search all 913 Illinois cities →

Questions people ask

About water in Yorkville

Is the water hard?

The indexed city median is 322 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.