City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Grandview, Washington.
Median indexed hardness
193PPM
2 indexed ZIPs
Range 186–200 PPM
City summary
Grandview has 2 published ZIP profiles across Yakima County. The indexed median is 193 PPM, compared with 104 PPM across Washington.
Among the 133 Washingtoncities with an indexed median, Grandview ranks #24from highest to lowest. Across all 189 state ZIP profiles, available estimates run from 20.6to 238 PPM.
The 186–200 PPM range shows how much the available ZIP estimates vary within the city label.
Hardness distribution
2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.
Evidence quality
Confidence labels
Observation window: Apr 21, 2016 to Sep 30, 2025.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID WA5328970
A municipal system, in-state city, and served county all agree with this Census 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 |
|---|---|---|---|
| TTHM | WA5328970 | Jan 1, 2024 | Resolved |
| Total Haloacetic Acids (HAA5) | WA5328970 | Jan 1, 2024 | Resolved |
| Lead and Copper Rule | WA5328970 | Jan 1, 2021 | Resolved |
Practical next steps
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Questions people ask
The indexed city median is 193 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.
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.