City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Surprise, Arizona.
Median indexed hardness
112PPM
7 indexed ZIPs
Range 97–154.5 PPM
City summary
Surprise has 7 published ZIP profiles across Yavapai County and Maricopa County. The indexed median is 112 PPM, compared with 241 PPM across Arizona.
Among the 133 Arizonacities with an indexed median, Surprise ranks #125from highest to lowest. Across all 285 state ZIP profiles, available estimates run from 66.4to 1250 PPM.
The 97–154.5 PPM range shows how much the available ZIP estimates vary within the city label.
Hardness distribution
7 of 7 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.
Evidence quality
Confidence labels
Observation window: Jan 4, 2016 to Mar 24, 2026.
ZIP directory
Open a ZIP for site-level provenance and measurements.
ZIP code
154.5 PPM
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ZIP code
97 PPM
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ZIP code
112 PPM
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ZIP code
120 PPM
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ZIP code
97 PPM
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ZIP code
112 PPM
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ZIP code
97 PPM
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Public water systems
PWSID AZ0407695
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AZ0407500
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AZ0407523
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AZ0407007
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AZ0407538
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AZ0407528
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AZ0407169
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AZ0407549
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AZ0407524
The system names this served city; Census place overlap links the city to this ZCTA.
Compliance history
1 unique active health-based record appears among associated systems. This does not mean every contaminant was tested at every tap.
| Record | System | Period | Status |
|---|---|---|---|
| Public Notice | AZ0407524 | Feb 7, 2026 | Unaddressed |
| DICHLOROMETHANE | AZ0407500 | Jan 1, 2026 | Archived |
| DICHLOROMETHANE | AZ0407500 | Jan 1, 2026 | Archived |
| DICHLOROMETHANE | AZ0407523 | Jan 1, 2026 | Archived |
| DICHLOROMETHANE | AZ0407523 | Jan 1, 2026 | Archived |
| Revised Total Coliform Rule | AZ0407528 | Jan 1, 2026 | Resolved |
| Public Notice | AZ0407524 | Nov 16, 2025 | Unaddressed |
| Consumer Confidence Rule | AZ0407169 | Oct 2, 2025 | Resolved |
| Consumer Confidence Rule | AZ0407549 | Oct 2, 2025 | Resolved |
| Consumer Confidence Rule | AZ0407524 | Oct 2, 2025 | Resolved |
Practical next steps
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Questions people ask
The indexed city median is 112 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.