City water profile

Water hardness in Winslow

Find official utility reports, understand hardness, and check the water system serving your home in Winslow, Illinois.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 1
Active health records: 1

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

Winslow

IL1770550 · Groundwater · 350 people served system-wide

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

1 reported active health-based record(s) for this system

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2026 to Jun 30, 2026

Violation history (12)

Imported violation history for Winslow
Rule	Status	Period
Lead and Copper Rule	Unaddressed	Jan 1, 2026
Lead and Copper Rule	Unaddressed	Jul 1, 2025
Consumer Confidence Rule	Unaddressed	Jul 1, 2025
Public Notice	Unaddressed	Jan 16, 2025
Lead and Copper Rule	Unaddressed	Jan 1, 2025
LEAD AND COPPER RULE REVISIONSHealth-based	Unaddressed	Oct 17, 2024
Consumer Confidence Rule	Resolved	Jul 1, 2024 to Jul 8, 2025
Lead and Copper Rule	Resolved	Jan 1, 2024 to Jul 9, 2024
Consumer Confidence Rule	Unaddressed	Jul 1, 2023
Consumer Confidence Rule	Resolved	Jul 1, 2022 to Aug 3, 2022
Chlorine	Resolved	Jul 1, 2021 to Sep 30, 2021
Chlorine	Resolved	Apr 1, 2021 to Jun 30, 2021

City summary

What the indexed records say

Winslow has 1 published ZIP profile across Stephenson County. No qualifying nearby hardness observation is available for the city.

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.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

0 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: — miles
Profiles with evidence: 0/1

Confidence labels

High: 0Moderate: 0Low: 0

Observation window: unavailable to unavailable.

ZIP directory

Water reports in Winslow

Open a ZIP for site-level provenance and measurements.

ZIP code

61089

No estimate

—

Nearest site: — mi
Confidence: —

View full ZIP evidence →

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. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other Illinois communities

Cedarville

Stephenson County

312 PPM median

Dakota

Stephenson County

321 PPM median

Freeport

Stephenson County

312 PPM median

German Valley

Stephenson County

312 PPM median

Lena

Stephenson County

302 PPM median

Abingdon

Knox County

274 PPM median

Search all 913 Illinois cities →

Questions people ask

About water in Winslow

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

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.