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City water profile

Star Valley water quality

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

Median indexed hardness

228PPM

One indexed ZIP

Range 228–228 PPM

State comparison
13 PPM below
State hardness rank
#104 of 133
Matched utilities
3
Active health records
0

City summary

What the indexed records say

Star Valley has 1 published ZIP profile across Gila County. The indexed median is 228 PPM, compared with 241 PPM across Arizona.

Among the 133 Arizonacities with an indexed median, Star Valley ranks #104from highest to lowest. Across all 285 state ZIP profiles, available estimates run from 66.4to 1250 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
48 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Jun 27, 2016 to May 1, 2024.

ZIP directory

Water reports in Star Valley

Open a ZIP for site-level provenance and measurements.

ZIP code

85541

Very Hard

228 PPM

Nearest site
48 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Town Of Star Valley Water Department

PWSID AZ0404037

Groundwater
System population served
1,157
Last reported
May 14, 2026

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

Lamplighter Rv Resort

PWSID AZ0404324

Groundwater
System population served
308
Last reported
May 14, 2026

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

Pine View Rv Park

PWSID AZ0404069

Groundwater
System population served
138
Last reported
May 14, 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
Public NoticeAZ0404069Nov 9, 2025Resolved
Consumer Confidence RuleAZ0404324Oct 2, 2025Unaddressed
Consumer Confidence RuleAZ0404069Oct 2, 2025Unaddressed
Consumer Confidence RuleAZ0404324Jul 1, 2025Unaddressed
Consumer Confidence RuleAZ0404069Jul 1, 2025Unaddressed
Public NoticeAZ0404069Dec 20, 2024Unaddressed
LEAD AND COPPER RULE REVISIONSAZ0404069Oct 17, 2024Resolved
LEAD AND COPPER RULE REVISIONSAZ0404069Oct 17, 2024Resolved · health-based
NitrateAZ0404037Apr 1, 2024Resolved
NitrateAZ0404037Apr 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 Star Valley

Is the water hard?

The indexed city median is 228 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.