Water Service Outages in Louisiana by City
63% of Louisiana's 908 community water systems have had at least one health-based EPA violation since 2015, one of the highest shares of any state.
Louisiana drinking water record
Busiest year: 2019 (773 violations). Counted by the year the violation period began. Source: EPA SDWIS.
- Community water systems: 908 active systems serve about 5,239,132 people. 652 of them (72%) serve 3,300 people or fewer; 830 draw mainly on groundwater and 78 on surface water.
- Health-based violations since 2015: 6,304, at 572 systems (63% of all systems). That share is 3rd highest of 50 states.
- Most common problems: contaminant averages over the limit (3,600); uncorrected Ground Water Rule deficiencies (1,952); surface water treatment (81). Source: EPA SDWIS
- Largest system: Baton Rouge Water Company, about 596,844 people, with 0 health-based violations since 2015. Source: EPA SDWIS
- Housing age: the median Louisiana home was built in 1983 (US 1980). Source: US Census Bureau, ACS 2020–2024 (table B25035)
- Storm damage to water service: NOAA storm narratives mention water mains, boil water notices or lost water service in 2 episodes in Louisiana since 2015. Source: NOAA Storm Events Database
| System | People served | Main source | Health violations since 2015 |
|---|---|---|---|
| Baton Rouge Water Company | 596,844 | Groundwater | 0 |
| New Orleans Carrollton Water Works | 334,903 | Surface water | 1 |
| E Jefferson Ww District 1 | 275,163 | Surface water | 0 |
| City of Shreveport Water System | 192,378 | Surface water | 23 |
| Lafayette Utilities Water System | 169,389 | Groundwater | 0 |
| W Jefferson Ww District 2 | 140,264 | Surface water | 1 |
Source: EPA SDWIS.
Louisiana is 4th of 4 (1 = lowest share). Source: EPA SDWIS.
Checked September 2026.
Who to call in Louisiana, city by city
5 Louisiana cities on this site and the water utility for each. What to do while you wait is in our water service outage guide.
- New Orleans Sewerage & Water Board of New Orleans
- Baton Rouge Baton Rouge Water Company
- Shreveport City of Shreveport Department of Water and Sewerage
- Lafayette Lafayette Utilities System (LUS)
- Lake Charles City of Lake Charles Water Division
Frequently asked questions
Is there a water service outage in Louisiana right now?
Not on this site: no reports from Louisiana in the last 24 hours.
How many public water systems are in Louisiana?
EPA records list 908 active community water systems in Louisiana, serving about 5,239,132 people. 72% serve 3,300 people or fewer.
How common are drinking water violations in Louisiana?
Since 2015, 572 of 908 community water systems in Louisiana (63%) have had at least one health-based violation, 6,304 in total.
What is the largest water system in Louisiana?
Baton Rouge Water Company, which EPA records list as serving about 596,844 people.
Report counts are user-submitted; other figures name their official source. How our data works
Cities in Louisiana with Water Service Outages Information
Baton Rouge
no reports in the last 24 hours · pop. 227,470
Baton Rouge Water Company
Lafayette
no reports in the last 24 hours · pop. 130,554
Lafayette Utilities System (LUS)
Lake Charles
no reports in the last 24 hours · pop. 78,655
City of Lake Charles Water Division
New Orleans
no reports in the last 24 hours · pop. 383,997
Sewerage & Water Board of New Orleans
Shreveport
no reports in the last 24 hours · pop. 187,593
City of Shreveport Department of Water and Sewerage