City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Council Bluffs, Iowa.
Median indexed hardness
255PPM
2 indexed ZIPs
Range 255–255 PPM
City summary
Council Bluffs has 2 published ZIP profiles across Pottawattamie County. The indexed median is 255 PPM, compared with 281 PPM across Iowa.
Among the 683 Iowacities with an indexed median, Council Bluffs ranks #589from highest to lowest. Across all 723 state ZIP profiles, available estimates run from 182to 834 PPM.
The 255–255 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: Jan 5, 2016 to Jun 2, 2026.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID IA7820080
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID IA7820701
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID IA6500600
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 |
|---|---|---|---|
| Nitrite | IA7820701 | Jul 1, 2025 | Resolved |
Practical next steps
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Questions people ask
The indexed city median is 255 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.