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City water profile

Water hardness in Antigo

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

Utility-reported hardness

Not yet available

Check your provider and source →
State comparison
Unavailable
Evidence comparison rank
—
Matched utilities
2
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.

Antigo Waterworks

WI7340086 · Groundwater · 7,780 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
0.0019 mg/L
Action level
0.015 mg/L

13% of the listed benchmark

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

Violation history (9)
Imported violation history for Antigo Waterworks
RuleStatusPeriod
Groundwater RuleHealth-basedAddressedJul 2, 2025
Public NoticeResolvedFeb 1, 2025 to Apr 26, 2025
Groundwater RuleHealth-basedResolvedFeb 1, 2025 to Mar 18, 2025
Groundwater RuleHealth-basedResolvedDec 16, 2024 to Dec 30, 2024
Public NoticeResolvedDec 16, 2024 to Mar 28, 2025
LEAD AND COPPER RULE REVISIONSHealth-basedResolvedOct 17, 2024 to May 30, 2025
Public NoticeUnaddressedOct 17, 2024
Public NoticeResolvedApr 2, 2022 to Aug 4, 2022
Groundwater RuleHealth-basedResolvedApr 2, 2022 to Aug 4, 2022

2yk Llc

WI7370123 · Groundwater · 25 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 (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
0.0016 mg/L
Action level
0.015 mg/L

10% of the listed benchmark

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

Violation history (13)
Imported violation history for 2yk Llc
RuleStatusPeriod
Revised Total Coliform RuleResolvedJul 1, 2025 to Jul 31, 2025
Lead and Copper RuleResolvedJan 1, 2025 to Oct 14, 2025
LEAD AND COPPER RULE REVISIONSResolvedOct 17, 2024 to Feb 25, 2025
LEAD AND COPPER RULE REVISIONSHealth-basedResolvedOct 17, 2024 to Nov 19, 2024
Public NoticeUnaddressedOct 17, 2024
Public NoticeUnaddressedOct 17, 2024
Consumer Confidence RuleResolvedJul 1, 2024 to Jul 8, 2025
Consumer Confidence RuleResolvedJul 1, 2024 to Jul 8, 2025
Consumer Confidence RuleResolvedJul 1, 2022 to Jul 27, 2022
Consumer Confidence RuleResolvedJul 1, 2022 to Jul 29, 2022
Lead and Copper RuleResolvedJan 1, 2022 to Feb 2, 2024
Consumer Confidence RuleResolvedJul 1, 2021 to Jul 23, 2021
Consumer Confidence RuleResolvedJul 1, 2021 to Jul 23, 2021

City summary

What the indexed records say

Antigo has 1 published ZIP profile across Langlade County. The regional-evidence median is 257 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
6 miles
Profiles with evidence
1/1

Confidence labels

High: 1Moderate: 0Low: 0

Observation window: Aug 21, 2023 to Sep 12, 2024.

ZIP directory

Water reports in Antigo

Open a ZIP for site-level provenance and measurements.

ZIP code

54409

Very Hard

257 PPM

Nearest site
6 mi
Confidence
High

View full ZIP evidence →

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

Questions people ask

About water in Antigo

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.