CITY OF OPELOUSAS WATER SYSTEM
PWSID: LA1097010 · Opelousas, LA · Serves 20,388 people
According to EPA Safe Drinking Water Information System (SDWIS), CITY OF OPELOUSAS WATER SYSTEM (PWSID LA1097010) in Opelousas, LA is listed as a CWS water system covering about 20,388 people. The same extract lists 14 health-based violation records spanning 2019-2025. Those 14 health-based rows for CITY OF OPELOUSAS WATER SYSTEM cover contaminants such as Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
CITY OF OPELOUSAS WATER SYSTEM has 14 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. 1 distinct EPA contaminant code appears in this system's record, including Groundwater Rule. Recorded violations span 2019–2025. 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)
- LA1097010
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Opelousas, LA
- Population Served
- 20,388
- Health Violations
- Yes (14)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 14 | 14 |
Violation History (14)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Apr 2, 2025 |
| Groundwater Rule | Yes | Jun 4, 2024 |
| Groundwater Rule | Yes | Jun 4, 2024 |
| Groundwater Rule | Yes | Oct 27, 2021 |
| Groundwater Rule | Yes | Oct 27, 2021 |
| Groundwater Rule | Yes | Oct 27, 2021 |
| Groundwater Rule | Yes | Oct 27, 2021 |
| Groundwater Rule | Yes | Oct 27, 2021 |
| Groundwater Rule | Yes | Oct 27, 2021 |
| Groundwater Rule | Yes | Oct 27, 2021 |
| Groundwater Rule | Yes | Oct 27, 2021 |
| Groundwater Rule | Yes | Oct 27, 2021 |
| Groundwater Rule | Yes | Oct 27, 2021 |
| Groundwater Rule | Yes | Aug 22, 2019 |
Frequently Asked Questions
What does EPA SDWIS list for CITY OF OPELOUSAS WATER SYSTEM?
How many people does CITY OF OPELOUSAS WATER SYSTEM serve?
What violations does CITY OF OPELOUSAS WATER SYSTEM have?
What contaminants have been found in CITY OF OPELOUSAS WATER SYSTEM water?
Compare beyond Louisiana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CITY OF OPELOUSAS WATER SYSTEM on cumulative violation count (14) and EPA-reported population served (20,388). Violation-count peers include URIAH HEEPS SPRING WATER SYSTEM, Point Arena Rancheria, UNIVERSITY OF ALASKA - FAIRBANKS. Population peers include TRI-COUNTY WATER DISTBR DIST, COLLEGE PARK, FORNEY LAKE WSC.
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).
Explore More
About This Data
CITY OF OPELOUSAS WATER SYSTEM (LA1097010) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 2019-2025 covering Groundwater Rule. Historical registry entries, 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.