Casa Grande, Arizona Water Quality Report
Water quality data for 2 water systems serving 1,271 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 185.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 1850% | Above guideline |
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Compliance & Violations
Active Violations (43)
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Resolved Violations (451)
27
Mar 1, 2025 — Mar 31, 2025
27
Mar 1, 2025 — Mar 31, 2025
71
Jul 1, 2024
71
Jul 1, 2024
02
Apr 1, 2024 — Jun 30, 2024
+ 446 more resolved violations
Frequently Asked Questions
Is Casa Grande tap water safe to drink?
Casa Grande's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Casa Grande tap water?
1 contaminants have been detected in Casa Grande's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Casa Grande?
Install a water filter rated for the specific contaminants found in Casa Grande's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Casa Grande have any water quality violations?
Yes, Casa Grande currently has 43 active violations. See the violations section above for details.