Skip to content

City water profile

Wisconsin Dells water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Wisconsin Dells, Wisconsin.

Median indexed hardness

290PPM

One indexed ZIP

Range 290–290 PPM

State comparison
2 PPM above
State hardness rank
#210 of 479
Matched utilities
5
Active health records
0

City summary

What the indexed records say

Wisconsin Dells has 1 published ZIP profile across Adams County. The indexed median is 290 PPM, compared with 288 PPM across Wisconsin.

Among the 479 Wisconsincities with an indexed median, Wisconsin Dells ranks #210from highest to lowest. Across all 556 state ZIP profiles, available estimates run from 41.3to 467 PPM.

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
9.3 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Aug 2, 2016 to Sep 9, 2024.

ZIP directory

Water reports in Wisconsin Dells

Open a ZIP for site-level provenance and measurements.

ZIP code

53965

Very Hard

290 PPM

Nearest site
9.3 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Wisconsin Dells Waterworks

PWSID WI1110113

Groundwater
System population served
3,232
Last reported
May 29, 2026

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

Dells Club Condo Assoc 1

PWSID WI7010423

Groundwater
System population served
75
Last reported
May 29, 2026

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

Dells Club Condo Assoc 2

PWSID WI7010424

Groundwater
System population served
75
Last reported
May 29, 2026

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

Dells Club Condo Assoc 3

PWSID WI7010425

Groundwater
System population served
75
Last reported
May 29, 2026

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

Dells Estates

PWSID WI1111017

Groundwater
System population served
30
Last reported
May 29, 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.

RecordSystemPeriodStatus
Lead and Copper RuleWI7010425Jan 1, 2026Resolved
LEAD AND COPPER RULE REVISIONSWI7010424Jul 2, 2025Resolved
LEAD AND COPPER RULE REVISIONSWI1111017Oct 17, 2024Resolved
LEAD AND COPPER RULE REVISIONSWI1111017Oct 17, 2024Resolved · health-based
Public NoticeWI1111017Oct 17, 2024Unaddressed
Public NoticeWI1111017Oct 17, 2024Unaddressed
Gross Alpha, Excl. Radon and UWI7010425Oct 1, 2024Resolved
Lead and Copper RuleWI1110113Jan 1, 2024Resolved
CYANIDEWI7010425Jan 1, 2024Resolved
2,3,7,8-TCDDWI7010425Jan 1, 2024Resolved

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. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Wisconsin Dells

Is the water hard?

The indexed city median is 290 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.