Louisiana’s landscape tilts rainfall and runoff southward into the Gulf of Mexico.

Find your location in one of the eight watersheds of the state.

Table updated May 26 15:00  CDT

Region 1

The Red River collects rainfall and runoff from 57,000 square miles of northern Texas, Oklahoma and Arkansas before entering Louisiana’s Caddo Parish. The Red River and tributaries gather runoff from Caddo Parish, Bossier Parish, Webster Parish, the west half of Claiborne Parish, Red River Parish, DeSoto Parish, Nachitoches Parish, the east edge of Sabine Parish, the south half of Winn Parish, the west half of Grant Parish and the northwest corner of Rapides Parish.

Water Bodies include Caddo Lake, Nantachie Lake, Cypress Lake, Bodcau Lake, Swan Lake, Half Moon Lake, Lake Ninock

Spills (0)

• No new spill incident reports found from April 21 – May 21, 2023

Region 2

The Dugdemona River and its tributaries drain Region 2 down to Catahoula Lake, joining the Red River as it heads down to the Gulf.  The northern mid-line of Region 2 features includes flows into the Caney Creek Reservoir on the west side of the drainage basin with Little River taking flows on the eastern side of the basin.  Region 2 includes the southern part of Lincoln Parish, the east side of Bienville Parish, most of Jackson Parish, the majority of Winn Parish to its eastern border, the west half of Caldwell Parish, the east half of Grant Parish, all of Lasalle Parish, most of Catahoula Parish to the south border, all but the northwest corner of Rapides Parish, and the north part of Avoyelles Parish.  

Spills (0)

• No new spill incident reports found from April 21 – May 21, 2023

 Region 3

The Tensas River originates in East Carroll Parish flowing in and out of Lake Providence in northeast Louisiana.  The Tensas drainage basin begins in Arkansas just south of Little Rock and widens out in Louisiana to drain East Carroll Parish, Madison Parish and Tensas Parish on the east side of Region 3.

Ouachita River drains central portion of Region 3, Corney Bayou and tributaries draining the west side. 

Spills (4)

• April 19 - 15000 gallons of sewage reported spilled due to an overflow affecting an unnamed waterbody on Lemont Dr in West Monroe - Ouachita - affected soil raked and washed disinfected with chlorine
• May 3 - unknown amount of wastewater reported spilled from the drain line being dug into on Highway 2 in Ouachita – Sterlington
• April 25 - unknown amounts of sediment reported spilled from a new pit construction site at Northeast Louisiana Sand and Gravel on Fannin Rd in West Monroe – Ouachita
• May 1 - unknown amount of sewage reported leaking from a private yard and standing in nearby ditches on Hanna St in Gilbert - Franklin

Region 4

Including the western half of DeSoto Parish, all but the eastern-most sliver of Sabine Parish, all of Vernon Parish, the west slice of Rapides Parish, all of Beauregard Parish and the west half of Allen Parish, the vast majority of Calcasieu Parish (the east bit is found in Region 5), the northwest corner of Jefferson Davis Parish and the west half of Cameron Parish.

Spills (1)

• April 14 - unknown amounts of sewage reported discharging from the Friend Ships Paddlewheeler Vessel off North 1st Ave in Lake Charles - Calcasieu - Calcasieu River impacted

Region 5

Including a large part of Rapides Parish (centre), the south two-thirds of Avoyelles Parish, the west side slice of Pointe Coupee Parish, the eastern-most slice of Allen Parish, all of Evangeline, all of St. Landry, all of Acadia Parishes, the southeast corner of Calcasieu Parish, the majority of Jefferson Davis Parish (south), all of Lafayette Parish, all of St. Martin Parish, the western-most slice of Iberville Parish, the majority of Cameron Parish (east) all of Vermillion Parish, all if not most of Iberia Parish, most of St. Mary Parish.

Here the Mississippi River clears the Old River Works dropping down 22 feet to meet the flow of the Red River, combining to reach one million cubic feet per second flow volume.  From here we have a new river, called Atchafalaya.  This legendary flow deposits sediment from the central plains over the final 150 miles to the Gulf of Mexico.

Spills (3)

• April 24 - unknown amount of oil product reported spilled - investigation underway in Cankton - St Landry
• April 14 - unknown amount of oil and fluids reported leaking from a Republic Services waste truck on Teakwood Dr in Baker - East Baton Rouge
• April 19 - unknown amount of sewage reported spilled on the ground near a well due to discharge from a private property in Breaux Bridge - St Martin

Region 6  

Including parts of Pointe Coupee Parish, West Baton Rouge Parish, the east of Iberville Parish, a tiny corner of Iberia Parish (southeast), a wee slice of west Ascension Parish, all of Assumption Parish, the south parts of St. James and St. John the Baptist Parishes, the eastern-most parts of St. Martin and St. Mary Parishes, all of Terrebonne Parish, all of Lafourche Parish, the south half of St. Charles Parish, the south part of Jefferson Parish, the west side of Plaquemines Parish and a tiny corner of Orleans Parish.

Spills (0)

• No new spill incident reports found from April 21 – May 21, 2023

Region 7  

Includes parts of West Feliciana, East Feliciana Parishes, all of St. Helena Parish, all of Tangipahoa Parish, all of Washington Parish, all of East Baton Rouge Parish, all of Livingston Parish, all of St. Tammany Parish, part of Iberville Parish, part of Ascension Parish, St. John the Baptist, St. James and St. Charles Parishes.

Spills (1)

• April 24 - unknown amount of sewage reported spilled due to a failed lift station pump on Schwing Rd in new Iberia - St Martin - Pump repaired and site cleaned

Region 8  

Including parts of St. Charles, Jefferson, Orleans, Plaquemines and St. Bernard Parishes

Water Bodies include Lake Ponchartrain, Rigolets Strait, Lake Borgne

Spills impacting water bodies in this region can impact downstream drinking water and recreational water.

Spills (0)

• No new spill incident reports found from April 21 – May 21, 2023

End Notes

Spill Emergency: 

Call Louisiana State Police 1-225-925-6595 within 1 hour of the spill incident.

call LSP HAZ MAT hotline 1-877-925-6595 or 225-925-6595

*The hazardous materials hot line is staffed by the Right-to-Know Unit and is the reporting point to the LSP for a chemical spill or emergency. Any transporter, manufacturer, storage facility, or anyone involving the handling of any regulated hazardous material must contact the LSP immediately to report any spillage or threat to public safety.

National Response Center (NRC) at 1-800-424-8802

24-hour emergency line staffed by US Coast Guard for oil spills on water.

An emergency spill situation is defined as any condition that could reasonably be expected to endanger the health and safety of the public or cause significant adverse impact to the environment.

For non-emergency spills:

Call Louisiana Department of Environmental Quality (DEQ) 24 hour Hotline 1-225-342-1234

Or, SPOC office line  1-225-219-3640 (within 24 hours of the spill, follow up with a written report in 7 days)

_DEQ-CustomerServiceCenter@la.gov

Louisiana's oil spill rules generally follow the federal standards.

Any unauthorized spills of one barrel (42 gallons) of oil or more is considered the reportable amount.  These and spills of unknown amount must be reported to DEQ within 24 hours, or in the case of an emergency event, see above, call State Police immediately.

All reportable spills (emergency or not) must be followed up within 7 days with a written report.  Consult with LA DEQ for guidance on detailing your spill incident, check the national requirements for reporting oil spills, and LA release notification requirements.  Seek out information on Spill Prevention Planning.

 “oil” includes but is not limited to: gasoline, crude oil, fuel oil, diesel oil, lubricating oil, sludge, oil refuse, oil mixed with wastes, and any other petroleum related product.

“chemical” spills include all toxic substances, note “Any transporter, manufacturer, storage facility, or anyone involving the handling of any regulated hazardous material must contact the LSP immediately to report any spillage or threat to public safety.”  Refer to LA Department of Health Environmental Epidemiology and Toxicology page for more information on reporting (https://ldh.la.gov/page/834)

Note that all spills must be cleaned up, whether or not they are reportable.

The OEC Surveillance Division protects the citizens of the state by conducting inspections of permitted and non-permitted facilities, by responding to environmental incidents such as unauthorized releases, spills and citizen complaints, natural disasters, and other emergency situations, by providing compliance assistance to the regulated community when appropriate, by assessing and monitoring air and water quality for compliance with standards, and by promoting case information management for vigorous and timely resolution of issues of non-compliance. 

WTLA gathers spill records data from emergency and non-emergency spill incident reports as received by LA DEQ.    Where inspector’s field notes are available, these details are included.