Is Douglas, Arizona tap water safe?
5 water systems report serving Douglas. Your water depends on which one serves your address. Check your bill if unsure.
B
City of Douglas
Serves 16,656 people · Groundwater · Full report →
No health-based violations in the last 5 years; 5 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
D
Monte Vista Water Company
Serves 150 people · Groundwater · Full report →
4 health-based violations in the last 5 years; 10 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Cochise College Park Water Assoc
Serves 83 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).
C
Twin Buttes RV, LLC
Serves 79 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 8 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile above the new 10 ppb action level (LCRI, effective Nov 1, 2027); Lead 90th percentile below the action level (2025).
C
LA Costa Water Users Assoc
Serves 30 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 7 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).