WESTLAKE, LA · Calcasieu Parish County
CALCASIEU PARISH WW DISTRICT NO 4 Water System
Current status
6 open health-based violations on record as of July 4, 2026, alongside 2 other open item(s). See the violation history below for contaminant and status details.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Louisiana’s official records. Always confirm current status with Louisiana before making decisions based on this information.
System facts
- System ID (PWSID)
- LA1019053
- System type
- Community Water System
- Population served
- 5,340
- Service connections
- 1,780
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Public Notification Violation for NPDWR Violation
—Public Notice
December 6, 2025
UnaddressedFailure To Address Deficiency
Health-basedGroundwater Rule
October 28, 2025
UnaddressedFailure To Address Deficiency
Health-basedGroundwater Rule
October 28, 2025
UnaddressedFailure To Address Deficiency
Health-basedGroundwater Rule
October 28, 2025
UnaddressedFailure To Address Deficiency
Health-basedGroundwater Rule
October 28, 2025
UnaddressedFailure To Address Deficiency
Health-basedGroundwater Rule
October 28, 2025
UnaddressedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedLSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedPublic Notification Violation for NPDWR Violation
—Public Notice
August 11, 2023 – December 6, 2023
ResolvedFailure To Address Deficiency
Health-basedGroundwater Rule
July 3, 2023 – December 6, 2023
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 12, 2019 – September 11, 2019
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 2006 – May 31, 2006
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 6, 2025 | Public Notification Violation for NPDWR Violation | Public Notice | — | Unaddressed |
| October 28, 2025 | Failure To Address Deficiency | Groundwater Rule | Health-based | Unaddressed |
| October 28, 2025 | Failure To Address Deficiency | Groundwater Rule | Health-based | Unaddressed |
| October 28, 2025 | Failure To Address Deficiency | Groundwater Rule | Health-based | Unaddressed |
| October 28, 2025 | Failure To Address Deficiency | Groundwater Rule | Health-based | Unaddressed |
| October 28, 2025 | Failure To Address Deficiency | Groundwater Rule | Health-based | Unaddressed |
| October 17, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| October 17, 2024 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Unaddressed |
| August 11, 2023 – December 6, 2023 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| July 3, 2023 – December 6, 2023 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| January 12, 2019 – September 11, 2019 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| May 1, 2006 – May 31, 2006 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- October 31, 2025State Public Notification requested6 linked violations
- December 14, 2023State Public Notification received1 linked violation
- December 6, 2023State Compliance achieved1 linked violation
- December 6, 2023State Compliance achieved1 linked violation
- November 8, 2023State Violation/Reminder Notice1 linked violation
- July 6, 2023State Public Notification requested2 linked violations
- March 6, 2019State Violation/Reminder Notice4 linked violations
Contact
WELSH, KENNY
337-433-8353
WESTLAKE, LA 70669