ST JOHN WATER DISTRICT 1
PWSID: LA1095003 · Laplace, LA · Serves 10,484 people
According to EPA Safe Drinking Water Information System (SDWIS), ST JOHN WATER DISTRICT 1 (PWSID LA1095003) in Laplace, LA is listed as a CWS water system covering about 10,484 people. The same extract lists 12 health-based violation records spanning 2014-2019. Those 12 health-based rows for ST JOHN WATER DISTRICT 1 cover contaminants such as TTHM, Interim Enhanced Surface Water Treatment Rule, Long Term 2 Enhanced Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
ST JOHN WATER DISTRICT 1 has 12 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 3 distinct EPA contaminant codes appear in this system's record, including TTHM, Interim Enhanced Surface Water Treatment Rule, Long Term 2 Enhanced Surface Water Treatment Rule. Recorded violations span 2014–2019. Day-to-day primacy enforcement for this system runs through the Louisiana drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Louisiana state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- LA1095003
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Laplace, LA
- Population Served
- 10,484
- Health Violations
- Yes (12)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 6 | 6 |
| Interim Enhanced Surface Water Treatment Rule | 4 | 4 |
| Long Term 2 Enhanced Surface Water Treatment Rule | 2 | 2 |
Violation History (12)
| Contaminant | Health | Date |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | Yes | Jun 1, 2019 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jun 1, 2019 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Nov 1, 2015 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Nov 1, 2015 |
| Long Term 2 Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2015 |
| Long Term 2 Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2015 |
| TTHM | Yes | Apr 1, 2015 |
| TTHM | Yes | Apr 1, 2015 |
| TTHM | Yes | Jan 1, 2015 |
| TTHM | Yes | Jan 1, 2015 |
| TTHM | Yes | Oct 1, 2014 |
| TTHM | Yes | Oct 1, 2014 |
Frequently Asked Questions
What does EPA SDWIS list for ST JOHN WATER DISTRICT 1?
How many people does ST JOHN WATER DISTRICT 1 serve?
What violations does ST JOHN WATER DISTRICT 1 have?
What contaminants have been found in ST JOHN WATER DISTRICT 1 water?
Compare beyond Louisiana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest ST JOHN WATER DISTRICT 1 on cumulative violation count (12) and EPA-reported population served (10,484). Violation-count peers include SAC & FOX (MESKWAKI) IN IOWA, Walker River Paiute Tribe, CRAIG PUBLIC WORKS. Population peers include SILVERTON, CITY OF, CITY OF GALENA PARK, THE CONSOLIDATED WSC RURAL SYSTEM.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
ST JOHN WATER DISTRICT 1 (LA1095003) is drawn from EPA SDWIS. Nearby county systems in this extract include ST JOHN WATER DISTRICT 3; ST JOHN WATER DISTRICT 2; PLEASURE BEND WATER SUPPLY. Health-based rows (12 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.