Cleanest/Best States

National Average

Dirtiest/Worst States

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 counties in ARKANSAS or in the U.S. by assessed use impairments.
Rank watersheds in ARKANSAS by assessed use impairments
Rank states by assessed use impairments, impairments due to specific causes, or impairments due to specific sources

ARKANSAS contains a portion of 56 watersheds.

Percentage of Surface Waters with Reported Problems (state + EPA data): 4%

Number of Waterbodies with Reported Problems (as reported by the state): 51

Beneficial Use Most Frequently Impaired	Percent of All Impairments
Aquatic Life Support	63%
Fish Consumption	41%
Primary Contact Recreation (Swimming)	20%
Drinking Water Supply	18%

Beneficial uses not reported for 100% of waterbodies.

Priority for Regulation	Number of Waterbodies
Targeted	6
High	2
Medium	15
Low	28
Not Assessed for TMDL Priority	0
Not Reported to US EPA for TMDL Priority	0

Rivers, Streams, and Creeks
Number of impaired waterbodies: 51
Percent of Rivers, Streams and Creeks in ARKANSAS assessed by agencies for 1997-98 reporting period: 10%

	Percent Waterbodies Affected
Sediments	41%
Mercury	39%
Nutrients	20%
Salinity/TDS/Chlorides	12%
Pathogens	12%
More...

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

Rivers, Streams, and Creeks
Number of impaired waterbodies: 51
Percent of Rivers, Streams and Creeks in ARKANSAS assessed by agencies for 1997-98 reporting period: 10%

	Percent Waterbodies Affected
Agriculture	39%
Unknown Sources	39%
Municipal Point Sources	20%
Industrial Point Sources	8%
Construction	4%
More...

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