City water profile

Water hardness in Winneconne

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

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 1
Active health records: 0

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.

Winneconne Waterworks

WI4710354 · Groundwater · 2,502 people served system-wide

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

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (4)

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: 9.3e-4 mg/L
Action level: 0.015 mg/L

6% of the listed benchmark

Monitoring period: Jun 1, 2023 to Sep 30, 2023

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 1.41 mg/L
Action level: 1.3 mg/L

108% of the listed benchmark

Monitoring period: Jan 1, 2008 to Dec 31, 2008

Gross Alpha, Excl. Radon and U

EPA SDWIS reported health-based violation

Reported violation

Reported level: 15.67 PCI/L
Maximum contaminant level: 15 PCI/L

104% of the listed benchmark

Monitoring period: Jul 1, 2024 to Sep 30, 2024

Combined Radium (-226 and -228)

EPA SDWIS reported health-based violation

Reported violation

Reported level: 18.5667 PCI/L
Maximum contaminant level: 5 PCI/L

371% of the listed benchmark

Monitoring period: Apr 1, 2023 to Jun 30, 2023

Violation history (10)

Imported violation history for Winneconne Waterworks
Rule	Status	Period
LEAD AND COPPER RULE REVISIONSHealth-based	Resolved	Oct 17, 2024 to May 23, 2025
Public Notice	Resolved	Oct 17, 2024 to Jun 3, 2025
Gross Alpha, Excl. Radon and UHealth-based	Resolved	Jul 1, 2024 to Sep 30, 2024
Groundwater Rule	Resolved	Apr 15, 2024 to May 17, 2024
Public Notice	Resolved	Feb 26, 2024 to Dec 13, 2024
Gross Alpha, Excl. Radon and UHealth-based	Resolved	Jan 1, 2024 to Mar 31, 2024
Gross Alpha, Excl. Radon and UHealth-based	Resolved	Oct 1, 2023 to Dec 31, 2023
Gross Alpha, Excl. Radon and UHealth-based	Resolved	Jul 1, 2023 to Sep 30, 2023
Combined Radium (-226 and -228)Health-based	Resolved	Apr 1, 2023 to Jun 30, 2023
Gross Alpha, Excl. Radon and UHealth-based	Resolved	Jul 1, 2021 to Sep 30, 2021

City summary

What the indexed records say

Winneconne has 1 published ZIP profile across Winnebago County. The regional-evidence median is 204 PPM. The city does not meet the stricter comparison standard.

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 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: 10 miles
Profiles with evidence: 1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Aug 23, 2023 to Aug 27, 2024.

ZIP directory

Water reports in Winneconne

Open a ZIP for site-level provenance and measurements.

ZIP code

54986

Very Hard

204 PPM

Nearest site: 10 mi
Confidence: Moderate

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 Wisconsin communities

Omro

Winnebago County

135 PPM median

Oshkosh

Winnebago County

274 PPM median

Winchester

Winnebago County

204 PPM median

Neenah

Winnebago County

— No median

Dresser

Polk County

205 PPM median

Osceola

Polk County

205 PPM median

Search all 479 Wisconsin cities →

Questions people ask

About water in Winneconne

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.