Maricopa County · Arizona · EPA SDWIS 2026Q2
Circle City Water Quality
What's in Circle City's water
Haloacetic Acids (HAA5)
Violation on record
1 EPA violation on record (most recent 2020). HAA5 are a second group of chlorine disinfection byproducts formed when chlorine reacts with organic matter in water. Long-term exposure is associated with increased cancer risk and possible developmental effects. They commonly occur together with trihalomethanes.
Water hardness
very hard
Circle City's water is very hard. Hardness isn't a health risk, but it drives scale on fixtures and water heaters, shortens appliance life, and leaves skin and hair dry.
Your water provider
CIRCLE CITY - CITY OF SURPRISE
- Population served
- 815
- PWSID
- AZ0407112
- 1
See your Water Score
Free, instant, no signup.
- 2
Get your custom fix-it plan
Exactly what your water needs.
- 3
Book your free 30-min test
No pitch, no nonsense.
Compare trusted local water pros
License-verified installers near Circle City. Get a free water test and a fix-it plan — no pitch.
Or check a different ZIP: