Is Casa Grande, Arizona tap water safe?
8 water systems report serving Casa Grande. Your water depends on which one serves your address. Check your bill if unsure.
A
Arizona Water Co - Pinal Valley
Serves 134,432 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B
Picacho Water Company
Serves 2,440 people · Groundwater · Full report →
No health-based violations in the last 5 years; 6 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B
Arizona Water Co - Tierra Grande
Serves 1,819 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
AWC - Casa Grande West Water Company
Serves 951 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
B
Arizona Water Co - Stanfield
Serves 628 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B
AWC - Casa Grande South Water Company
Serves 176 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
D
Sierra Vista RV Park
Serves 160 people · Groundwater · Full report →
12 health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Gw Santa Cruz Water - Cp Water Co
Serves 37 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).