List of Impaired Waters (Louisiana)

ID Num	WBID	Waterbody Name	State Basin Name	# of Impairments
1	LA-040501	Tickfaw River - From MS State Line to Hwy 42		3
2	LA-040502	Tickfaw River - LA Hwy 42 to Lake Maurepas		3
3	LA-040503	Natalbany River - Headwaters to Tickfaw River		4
4	LA-040504	Yellow Water River - Origin to Pontchatoula Creek		4
5	LA-040505	Pontchatoula Creek & Pontchatoula River		6
6	MS480E	Upper Tickfaw River	South Independent Streams	1
Total # of Impairments				21

ID Num	WBID	Waterbody Name	Status	Delisted	Basis for Delisting
1	LA-040501	Tickfaw River - From MS State Line to Hwy 42	Impaired Water Segment
2	LA-040502	Tickfaw River - LA Hwy 42 to Lake Maurepas	Impaired Water Segment
3	LA-040503	Natalbany River - Headwaters to Tickfaw River	Impaired Water Segment
4	LA-040504	Yellow Water River - Origin to Pontchatoula Creek	Impaired Water Segment
5	LA-040505	Pontchatoula Creek & Pontchatoula River	Impaired Water Segment
6	MS480E	Upper Tickfaw River	Impaired Water Segment	Nutrients, Organic Enrichment/Low Dissolved Oxygen, Pesticides, Sediment/Siltation	Pollutant cause recategorized due to IBI monitoring - stream not impaired.

Gulf of Mexico Program Office
Mail Code: EPA/GMPO
Stennis Space Center, MS 39529-6000
228-688-3726
FAX: 228-688-2709