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City water profile

Kemmerer water quality

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

Median indexed hardness

210PPM

3 indexed ZIPs

Range 205–210 PPM

State comparison
25 PPM below
State hardness rank
#58 of 86
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Kemmerer has 3 published ZIP profiles across Lincoln County. The indexed median is 210 PPM, compared with 235 PPM across Wyoming.

Among the 86 Wyomingcities with an indexed median, Kemmerer ranks #58from highest to lowest. Across all 97 state ZIP profiles, available estimates run from 3.2to 1905 PPM.

The 205–210 PPM range shows how much the available ZIP estimates vary within the city label. 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 hard3 ZIPs

3 of 3 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
30.6 miles
Profiles with evidence
3/3

Confidence labels

High: 0Moderate: 1Low: 2

Observation window: Jan 6, 2016 to Apr 28, 2026.

ZIP directory

Water reports in Kemmerer

Open a ZIP for site-level provenance and measurements.

ZIP code

83101

Very Hard

205 PPM

Nearest site
24.7 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

83116

Very Hard

210 PPM

Nearest site
35.9 mi
Confidence
Low

View full ZIP evidence →

ZIP code

83121

Very Hard

210 PPM

Nearest site
30.6 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Kemmerer-Diamondville Jpb

PWSID WY5600028

Surface water
System population served
3,348
Last reported
Jun 29, 2026

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

Oakley Water, Llc

PWSID WY5601733

Surface water
System population served
39
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
TTHMWY5600028Jul 1, 2025Resolved · health-based
TTHMWY5600028Jan 1, 2025Resolved · health-based
Lead and Copper RuleWY5601733Jan 1, 2025Resolved
TTHMWY5600028Oct 1, 2024Resolved · health-based
Surface Water Treatment RuleWY5601733Aug 1, 2024Resolved
Revised Total Coliform RuleWY5601733Aug 1, 2024Resolved
TTHMWY5600028Jul 1, 2024Resolved · health-based
TTHMWY5600028Jul 1, 2024Resolved · health-based
Lead and Copper RuleWY5601733Jul 1, 2024Resolved
Revised Total Coliform RuleWY5601733Jul 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 Kemmerer

Is the water hard?

The indexed city median is 210 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.