Public water system record
St John Water District 3
Serves Laplace, St. John the Baptist Parish, LA · 31,965 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for St John Water District 3 in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- St John Water District 3 draws water from 2 wells.
- Record on file since 2015, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 4,541 unknown out of 12,213 service lines.
Check whether St John Water District 3 serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 12, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
Full record since 2015
EPA's records for St John Water District 3 go back to 2015. Before October 19, 2016 they list 1 health-based violation (1 resolved) and no monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 1 | 0 |
| October 19, 2016 to 2019 | 0 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2015, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2015 | Resolved |
Where the water comes from
St John Water District 3 draws water from 2 wells. It also has an emergency connection to St John Water District 1. 1 other public water system has an emergency connection to St John Water District 3.
Emergency or part-time connections to
- St John Water District 1 Laplace, LA
Annual water quality report
St John Water District 3 must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Louisiana.
Certified drinking water labs by state EPA guidance for private wells