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City water profile

Afton water quality

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

Median indexed hardness

139PPM

One indexed ZIP

Range 138.5–138.5 PPM

State comparison
96 PPM below
State hardness rank
#73 of 86
Matched utilities
6
Active health records
1

City summary

What the indexed records say

Afton 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, Afton ranks #73from 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
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
27.6 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

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

ZIP directory

Water reports in Afton

Open a ZIP for site-level provenance and measurements.

ZIP code

83110

Hard

138.5 PPM

Nearest site
27.6 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Afton, Board Of Pub Utilities

PWSID WY5600002

Groundwater
System population served
2,000
Last reported
Jun 29, 2026

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

Osmond I&s District

PWSID WY5600154

Groundwater
System population served
315
Last reported
Jun 29, 2026

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

Fairview Water & Sewer District

PWSID WY5600166

Groundwater
System population served
230
Last reported
Jun 29, 2026

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

Star View Estates

PWSID WY5600893

Groundwater
System population served
84
Last reported
Jun 29, 2026

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

Westview Village

PWSID WY5600864

Groundwater
System population served
83
Last reported
Jun 29, 2026

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

Star Valley Trailer Court

PWSID WY5601017

Groundwater
System population served
72
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

1 unique active health-based record appears among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Groundwater RuleWY5600864Mar 25, 2025Resolved · health-based
Lead and Copper RuleWY5600166Dec 30, 2024Resolved
Lead and Copper RuleWY5600893Dec 30, 2024Resolved
Consumer Confidence RuleWY5600864Oct 1, 2023Resolved
Lead and Copper RuleWY5600893Dec 30, 2021Unaddressed
Groundwater RuleWY5600154Jun 2, 2021Addressed · health-based

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 Afton

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.