Is San Ysidro, New Mexico tap water safe?
4 water systems report serving San Ysidro. Your water depends on which one serves your address. Check your bill if unsure.
C
San Luis Cabezon Mdwca
Serves 320 people · Groundwater · Full report →
3 health-based violations in the last 5 years; 4 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
D
San Ysidro Water Supply System
Serves 166 people · Groundwater · Full report →
19 health-based violations in the last 5 years; 16 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 2019 (older than 5 years, not graded).
B
North San Ysidro Mdwca
Serves 133 people · Groundwater · Full report →
No health-based violations in the last 5 years; 8 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 2020 (older than 5 years, not graded).
B
South San Ysidro Mdwca
Serves 35 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 (2022).