City water profile

Water hardness in Ashland

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

Ashland Water Utility

WI8020373 · Surface water · 8,000 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: 0.0065 mg/L
Action level: 0.015 mg/L

43% of the listed benchmark

Monitoring period: Jun 1, 2025 to Sep 30, 2025

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 1.4 mg/L
Action level: 1.3 mg/L

108% of the listed benchmark

Monitoring period: Jul 1, 1992 to Dec 31, 1992

TTHM

EPA SDWIS reported health-based violation

Reported violation

Reported level: 87.4 UG/L
Maximum contaminant level: 0.08 UG/L

109250% of the listed benchmark

Monitoring period: Jan 1, 2024 to Mar 31, 2024

Total Haloacetic Acids (HAA5)

EPA SDWIS reported health-based violation

Reported violation

Reported level: 69.5 UG/L
Maximum contaminant level: 0.06 UG/L

115833% of the listed benchmark

Monitoring period: Jan 1, 2024 to Mar 31, 2024

Violation history (13)

Imported violation history for Ashland Water Utility
Rule	Status	Period
Public Notice	Resolved	Mar 11, 2024 to Oct 11, 2024
Public Notice	Resolved	Feb 27, 2024 to May 29, 2024
Public Notice	Resolved	Feb 27, 2024 to May 29, 2024
TTHMHealth-based	Archived	Jan 1, 2024 to Mar 31, 2024
Lead and Copper RuleHealth-based	Resolved	Jan 1, 2024 to Aug 8, 2024
Total Haloacetic Acids (HAA5)Health-based	Archived	Jan 1, 2024 to Mar 31, 2024
Total Haloacetic Acids (HAA5)Health-based	Archived	Oct 1, 2023 to Dec 31, 2023
TTHMHealth-based	Archived	Oct 1, 2023 to Dec 31, 2023
Public Notice	Resolved	Aug 29, 2023 to Nov 14, 2023
TTHMHealth-based	Archived	Jul 1, 2023 to Sep 30, 2023
Revised Total Coliform Rule	Resolved	May 1, 2023 to May 31, 2023
Lead and Copper Rule	Resolved	Jan 1, 2023 to Jun 10, 2024
Lead and Copper Rule	Resolved	Oct 1, 2021 to Feb 8, 2022

City summary

What the indexed records say

Ashland has 1 published ZIP profile across Ashland County. The regional-evidence median is 74 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. 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 hard1 ZIP

Hard0 ZIPs

Very hard0 ZIPs

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: 8.4 miles
Profiles with evidence: 1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Feb 3, 2021 to Feb 3, 2021.

ZIP directory

Water reports in Ashland

Open a ZIP for site-level provenance and measurements.

ZIP code

54806

Moderately Hard

73.9 PPM

Nearest site: 8.4 mi
Confidence: Low

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

Butternut

Ashland County

— No median

Glidden

Ashland County

— No median

Mellen

Ashland County

— No median

Niagara

Marinette County

69 PPM median

Superior

Douglas County

84 PPM median

Abrams

Oconto County

118 PPM median

Search all 479 Wisconsin cities →

Questions people ask

About water in Ashland

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.