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City water profile

Buffalo water quality

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

Median indexed hardness

446PPM

One indexed ZIP

Range 446–446 PPM

State comparison
211 PPM above
State hardness rank
#17 of 86
Matched utilities
3
Active health records
0

City summary

What the indexed records say

Buffalo has 1 published ZIP profile across Johnson County. The indexed median is 446 PPM, compared with 235 PPM across Wyoming.

Among the 86 Wyomingcities with an indexed median, Buffalo ranks #17from 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
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
10.3 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 5, 2016 to Apr 21, 2026.

ZIP directory

Water reports in Buffalo

Open a ZIP for site-level provenance and measurements.

ZIP code

82834

Very Hard

446 PPM

Nearest site
10.3 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Buffalo, City Of

PWSID WY5600005

Surface water
System population served
4,419
Last reported
Jun 29, 2026

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

Bald Mountain Trailer Court

PWSID WY5600258

Groundwater
System population served
150
Last reported
Jun 29, 2026

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

Bighorn Mountain Campground

PWSID WY5600229

Groundwater
System population served
29
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
Total Haloacetic Acids (HAA5)WY5600005Jul 1, 2024Resolved · health-based
Total Haloacetic Acids (HAA5)WY5600005Apr 1, 2024Resolved · health-based
Total Haloacetic Acids (HAA5)WY5600005Apr 1, 2024Resolved · health-based
Total Haloacetic Acids (HAA5)WY5600005Jan 1, 2024Resolved · health-based
Total Haloacetic Acids (HAA5)WY5600005Jan 1, 2024Resolved · health-based
Total Haloacetic Acids (HAA5)WY5600005Oct 1, 2023Resolved · health-based
Lead and Copper RuleWY5600229Oct 1, 2022Resolved
Total Haloacetic Acids (HAA5)WY5600005Jul 1, 2021Resolved
Consumer Confidence RuleWY5600258Oct 1, 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 Buffalo

Is the water hard?

The indexed city median is 446 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.