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City water profile

Star Valley Ranch water quality

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

Median indexed hardness

139PPM

One indexed ZIP

Range 139–139 PPM

State comparison
96 PPM below
State hardness rank
#75 of 86
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Star Valley Ranch has 1 published ZIP profile across Lincoln County. The indexed median is 139 PPM, compared with 235 PPM across Wyoming.

Among the 86 Wyomingcities with an indexed median, Star Valley Ranch ranks #75from 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.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard1 ZIP
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
21.6 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Apr 11, 2016 to Jun 11, 2026.

ZIP directory

Water reports in Star Valley Ranch

Open a ZIP for site-level provenance and measurements.

ZIP code

83127

Hard

139 PPM

Nearest site
21.6 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Star Valley Ranch, Town Of

PWSID WY5600287

Groundwater
System population served
2,030
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.

RecordSystemPeriodStatus
E. COLIWY5600287Oct 9, 2025Resolved
Total Haloacetic Acids (HAA5)WY5600287Jan 1, 2024Resolved
TTHMWY5600287Jan 1, 2024Resolved
Revised Total Coliform RuleWY5600287Apr 21, 2023Resolved · health-based
Groundwater RuleWY5600287Sep 25, 2015Unaddressed

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 Star Valley Ranch

Is the water hard?

The indexed city median is 139 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.