Is Saint Charles, Arkansas tap water safe?
2 water systems report serving Saint Charles. 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
Grand Prairie Regional Water
Serves 16,330 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
St Charles Waterworks
Serves 326 people · Groundwater · Full report →
No health-based violations in the last 5 years; 5 monitoring/reporting violations; 2 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).