Westlake
No. Tap water in Westlake is high risk across 2 water systems. Has an unresolved health violation, so check local advice.
2 official water systems are listed for this town. Each keeps its own rating.
Is it safe?
Calcasieu Parish Ww District No 4
High risk
Has an unresolved health violation, so check local advice
6 health-based violations began in the last 3 years. 6 are still unresolved.
Serves about 5,340 people.
Source water: groundwater.
Last health violation began 2025-10-28.
The violations involved Groundwater Rule, LEAD AND COPPER RULE REVISIONS.
Is it safe?
City of Westlake Water System
High risk
Has an unresolved health violation, so check local advice
4 health-based violations began in the last 3 years. 1 is still unresolved.
Serves about 4,858 people.
Source water: groundwater.
Last health violation began 2023-12-05.
The violations involved Groundwater Rule.
Source
US EPA Safe Drinking Water Information System.
Period covered: October 2023 to September 2026.
Covers community water systems serving 3,300 people or more. The rating uses health-based violations of federal drinking-water standards in the last three years, and whether those violations have been fixed. Each system is placed at a town it serves, so positions are approximate.
Common questions
Can I drink the tap water in Westlake, Louisiana?
No. Tap water in Westlake is high risk across 2 water systems. Has an unresolved health violation, so check local advice.
Where do these ratings come from?
US EPA Safe Drinking Water Information System. Period covered: October 2023 to September 2026.