Port of West St Mary
Published drinking-water records and contacts for Port of West St Mary. System LA1101013. Review sources and dates; not a real-time water assessment.
- System ID
- LA1101013
- State or territory
- LA
- Published population served
- 400
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 14 — 2007-07-01 – 2023-12-31
Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.
Published testing results
Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.
“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example
Lead and copper: 90th-percentile summaries
These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile
| Substance | Published 90th percentile | Monitoring period | Source quarter |
|---|---|---|---|
| Lead (PB90) | 0 mg/L | 2021-01-01 – 2023-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2020-01-01 – 2020-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2019-07-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2019-01-01 – 2019-06-30 | 2026Q3 |
| Lead (PB90) | 0.006 mg/L | 2016-01-01 – 2018-12-31 | 2026Q3 |
| Copper (CU90) | 1.9 mg/L | 2016-01-01 – 2018-12-31 | 2026Q3 |
| Lead (PB90) | 0.002 mg/L | 2013-01-01 – 2015-12-31 | 2026Q3 |
| Lead (PB90) | 0.009 mg/L | 2012-01-01 – 2012-12-31 | 2026Q3 |
Published compliance history
10 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average | 2025-07-01 – 2025-09-30 | Archived | Yes | 2026Q3 |
| Ground Water Rule / Notification, State | 2021-12-01 – — | Unaddressed | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average | 2019-10-01 – 2019-12-31 | Resolved | Yes | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average | 2019-07-01 – 2019-09-30 | Resolved | Yes | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average | 2019-04-01 – 2019-06-30 | Resolved | Yes | 2026Q3 |
| Lead and Copper Rule / OCCT/SOWT Study/Recommendation | 2019-01-11 – — | Resolved | Yes | 2026Q3 |
| Lead and Copper Rule / OCCT/SOWT Study/Recommendation | 2018-07-11 – — | Resolved | Yes | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Inadequate Reporting | 2017-10-01 – — | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average | 2017-04-01 – 2017-06-30 | Resolved | Yes | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average | 2017-01-01 – 2017-03-31 | Resolved | Yes | 2026Q3 |
Source dates and refresh checks
A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.
- EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
- EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
- EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
Administrative contact (EPA filing)
Naquin, David: 337-828-4100
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.