Cleanest/Best Watersheds

National Average

Dirtiest/Worst Watersheds

0%					50%					100%

Percentage of Surface Waters with Impaired or Threatened Uses (state + EPA data):

Number of Impaired Waterbodies (as reported by the state):

NOTE: Data limitations affect the accuracy of these rankings.

Rank watersheds by assessed use impairments
Rank counties by assessed use impairments.
Rank states by assessed use impairments, impairments due to specific causes, or impairments due to specific sources

Lake Okeechobee contains a portion of 4 counties:

GLADES County, FL

MARTIN County, FL

OKEECHOBEE County, FL

PALM BEACH County, FL

Percentage of Surface Waters with Reported Problems (state + EPA data): 100%

Number of Waterbodies with Reported Problems (as reported by the state): 11

715 Farms

Lake Okeechobee

Lake Okeechobee

Lake Okeechobee

Lake Okeechobee

Lake Okeechobee

Lake Okeechobee

Lake Okeechobee

Lake Okeechobee

S-135

South Bay

Beneficial Use Most Frequently Impaired	Percent of All Impairments
Not Reported	100%

Priority for Regulation	Number of Waterbodies
Targeted	11
High	0
Medium	0
Low	0
Not Assessed for TMDL Priority	0
Not Reported to US EPA for TMDL Priority	0

Lakes, Reservoirs, and Ponds
Number of impaired waterbodies: 8
Percent of Lakes, Reservoirs and Ponds in FLORIDA assessed by agencies for 1997-98 reporting period: 48%

	Percent Waterbodies Affected
Nutrients	75%
Low Dissolved Oxygen/Organic Enrichment	50%
Metals	38%
Ammonia	25%
Pathogens	12%

NOTE: Possible inconsistencies between data on (a) impaired waterbodies and (b) percentage of waterbodies assessed.

Lakes, Reservoirs, and Ponds
Number of impaired waterbodies: 8(cause not reported for 100%)
Percent of Lakes, Reservoirs and Ponds in FLORIDA assessed by agencies for 1997-98 reporting period: 48%

	Percent Waterbodies Affected
Impairment source not reported	100%

NOTE: Possible inconsistencies between data on (a) impaired waterbodies and (b) percentage of waterbodies assessed.

U.S. EPA Watershed Health Index

U.S. EPA Condition and Vulnerability Indicators

U.S. EPA Watershed Profile

U.S. Geological Survey: Water Resources Links

USGS report on the National Water-Quality Assessment (NAWQA) study unit this watershed is in.