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City water profile

Basin water quality

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

Median indexed hardness

304PPM

One indexed ZIP

Range 304–304 PPM

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

City summary

What the indexed records say

Basin has 1 published ZIP profile across Big Horn County. The indexed median is 304 PPM, compared with 235 PPM across Wyoming.

Among the 86 Wyomingcities with an indexed median, Basin ranks #29from 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
68.4 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Aug 24, 2016 to Sep 2, 2016.

ZIP directory

Water reports in Basin

Open a ZIP for site-level provenance and measurements.

ZIP code

82410

Very Hard

304 PPM

Nearest site
68.4 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Basin, Town Of

PWSID WY5600004

Groundwater
System population served
1,250
Last reported
Jun 29, 2026

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

South Big Horn County Jpb

PWSID WY5601454

Groundwater
System population served
900
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
ChlorineWY5600004Jun 1, 2024Resolved
Lead and Copper RuleWY5601454Apr 1, 2024Resolved
Lead and Copper RuleWY5601454Dec 30, 2023Resolved

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 Basin

Is the water hard?

The indexed city median is 304 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.