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City water profile

Sundance water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Sundance, Wyoming.

Median indexed hardness

468PPM

One indexed ZIP

Range 468–468 PPM

State comparison
233 PPM above
State hardness rank
#16 of 86
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Sundance has 1 published ZIP profile across Crook County. The indexed median is 468 PPM, compared with 235 PPM across Wyoming.

Among the 86 Wyomingcities with an indexed median, Sundance ranks #16from highest to lowest. Across all 97 state ZIP profiles, available estimates run from 3.2to 1905 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. 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 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
41.7 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: May 9, 2016 to Nov 20, 2024.

ZIP directory

Water reports in Sundance

Open a ZIP for site-level provenance and measurements.

ZIP code

82729

Very Hard

468 PPM

Nearest site
41.7 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Sundance, City Of

PWSID WY5600055

Groundwater
System population served
1,279
Last reported
Jun 29, 2026

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

Vista West Improvement & Serv District

PWSID WY5600246

Groundwater
System population served
120
Last reported
Jun 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.

No violation records are included in the current lookback window.

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 Sundance

Is the water hard?

The indexed city median is 468 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.