City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Guernsey, Wyoming.
Median indexed hardness
—
One indexed ZIP
Range —–— PPM
City summary
Guernsey has 1 published ZIP profile across Platte County. No qualifying nearby hardness observation is available for the city.
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
0 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.
Evidence quality
Confidence labels
Observation window: unavailable to unavailable.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID WY5600023
The system names this served city; Census place overlap links the city to this ZCTA.
Compliance history
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.
| Record | System | Period | Status |
|---|---|---|---|
| Revised Total Coliform Rule | WY5600023 | Mar 1, 2025 | Resolved |
| Lead and Copper Rule | WY5600023 | Oct 1, 2024 | Resolved |
| Revised Total Coliform Rule | WY5600023 | Jan 1, 2024 | Resolved |
Practical next steps
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Questions people ask
The index does not have a qualifying hardness estimate for this city.
Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.
Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.