Is Black Oak, Arkansas tap water safe?
2 water systems report serving Black Oak. 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
Buffalo Island Reg Water Dist
Serves 3,055 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 (2022).
C
Black Oak Waterworks
Serves 245 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 5 monitoring/reporting violations; 3 not yet resolved; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 2004 (older than 5 years, not graded).