Is Grover Beach, California tap water safe?
9 water systems report serving Grover Beach. 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.
B
City of Arroyo Grande Utilities Division
Serves 17,963 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Lead 90th percentile below the action level (2023).
A
City of Grover Beach Public Works Dept
Serves 12,701 people · Surface water · 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 (2024).
A
Oceano Comm Services Dist.
Serves 7,598 people · Surface water · 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 (2023).
A
Golden State Water Company-Cypress Ridge
Serves 2,032 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 (2025).
A
Canyon Crest Mutual Benefit WC
Serves 133 people · Surface water · 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 (2023).
C
Halcyon Water System
Serves 110 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 19 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 2017 (older than 5 years, not graded).
D
Ken Mar Gardens
Serves 84 people · Groundwater · Full report →
20 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 (2025).
C
Country Hills Estates
Serves 60 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile ABOVE the action level (2025).
A
Terra De Oro Water Company
Serves 38 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).