Is Alamosa, Colorado tap water safe?
4 water systems report serving Alamosa. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
A
City of Alamosa
Serves 11,271 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B
East Alamosa
Serves 1,453 people · Groundwater · Full report →
1 health-based violation in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
D
Valley Mobile Home LLC
Serves 85 people · Groundwater · Full report →
13 health-based violations in the last 5 years; 91 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
C
Lake Sanchez Estates
Serves 34 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 39 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).