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Site-specific Targeted Monitoring Summary Results

Indiana (2006)

Description of this table

	Size of Water
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Great Lakes Shoreline (Miles)	Great Lakes Open Water (Square Miles)
Good Waters	8,166.0	2,496.0
Previously impaired waters       now attaining all uses	468.8	4,401.0
Threatened Waters
TMDL completed
TMDL alternative
Non-pollutant impairment
TMDL needed
Impaired Waters	11,089.1	66,976.0	59.2	240.9
TMDL completed
TMDL alternative
Non-pollutant impairment
TMDL needed	11,089.1	66,976.0	59.2	240.9
New TMDLs completed	1,544.5	.0	.0	.0
Remaining TMDLs needed	9,544.6	66,976.0	59.2	240.9
Total Assessed Waters	19,255.1	69,472.0	59.2	240.9
Total Waters	35,673.0	142,871.0	59.2	Unavailable
Percent of Waters Assessed	54.0	48.6	100.0	Unavailable

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2006

Site-specific Targeted Monitoring Results

Indiana Rivers and Streams 2006

Description of this table Assessed Status Miles Assessed 19,255.1 Unassessed 16,417.9 Total Miles 35,673.0

Description of this table Attainment Status Miles Good 8,166.0 Threatened .0 Impaired 11,089.1 Total Miles Assessed 19,255.1

Description of this table TMDL Development Status Miles All TMDLs completed 1,544.5 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 9,544.6 Total Threatened and Impaired 11,089.1

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Indiana Rivers and Streams 2006

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table

Designated Use	Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Full Body Contact	11,298.8	32.2	.0	67.8
Human Health And Wildlife	3,990.3	.0	.0	100.0
Public Water Supply	1.0	.0	.0	100.0
Warm Water Aquatic Life	16,676.3	81.8	.0	18.2

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Site-specific Targeted Monitoring Results

Causes of Impairment
Indiana Rivers and Streams 2006

Description of this table

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Escherichia Coli (E. Coli)	Pathogens	7,595.4
Polychlorinated Biphenyls (PCBs)	Polychlorinated Biphenyls (PCBs)	3,413.1
Mercury	Mercury	3,020.1
Cause Unknown	Cause Unknown	1,979.7
Nutrient/Eutrophication Biological Indicators	Nutrients	625.0
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	451.8
Total Dissolved Solids (TDS)	Salinity/Total Dissolved Solids/Chlorides/Sulfates	340.7
Sulfates	Salinity/Total Dissolved Solids/Chlorides/Sulfates	247.5
Dioxin (Including 2,3,7,8-TCDD)	Dioxins	154.3
Chlorophyll-A	Algal Growth	118.1
Sedimentation/Siltation	Sediment	116.2
Lead	Metals (other than Mercury)	95.2
Physical Substrate Habitat Alterations	Habitat Alterations	92.5
Cyanide	Toxic Inorganics	68.5
pH	pH/Acidity/Caustic Conditions	66.3
Chloride	Salinity/Total Dissolved Solids/Chlorides/Sulfates	61.1
Low Flow Alterations	Flow Alteration(s)	57.5
Hexachlorocyclohexane (Mixture)	Pesticides	53.6
Organic Enrichment (Sewage) Biological Indicators	Organic Enrichment/Oxygen Depletion	41.1
Ammonia, Un-ionized	Ammonia	36.6
Zinc	Metals (other than Mercury)	31.2
Polycyclic Aromatic Hydrocarbons (PAHs) (Aquatic Ecosystems)	Toxic Organics	21.8
Cadmium	Metals (other than Mercury)	16.9
Copper	Metals (other than Mercury)	13.5
Nickel	Metals (other than Mercury)	12.9
Oil and Grease	Oil and Grease	11.2
Temperature, Water	Temperature	9.9
Atrazine	Pesticides	6.5

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Site-specific Targeted Monitoring Results

Probable Sources
Indiana Rivers and Streams 2006

Description of this table

Probable Source	Probable Source Group	Miles Threatened or Impaired
Non-Point Source	Unspecified Nonpoint Source	6,352.7
Source Unknown	Unknown	4,039.6
Crop Production With Subsurface Drainage	Agriculture	1,492.1
Livestock (Grazing Or Feeding Operations)	Agriculture	1,464.1
Permitted Runoff From Confined Animal Feeding Operations (Cafos)	Agriculture	1,203.4
Package Plant Or Other Permitted Small Flows Discharges	Municipal Discharges/Sewage	898.5
On-Site Treatment Systems (Septic Systems And Similar Decencentralized Systems)	Municipal Discharges/Sewage	777.3
Loss Of Riparian Habitat	Habitat Alterations (Not Directly Related To Hydromodification)	575.7
Impervious Surface/Parking Lot Runoff	Urban-Related Runoff/Stormwater	453.1
Impacts From Hydrostructure Flow Regulation/Modification	Hydromodification	401.7
Combined Sewer Overflows	Municipal Discharges/Sewage	397.4
Industrial Point Source Discharge	Industrial	349.5
Streambank Modifications/Destablization	Hydromodification	330.9
Agriculture	Agriculture	316.1
Channelization	Hydromodification	177.2
Illicit Connections/Hook-Ups To Storm Sewers	Municipal Discharges/Sewage	173.0
Contaminated Sediments	Legacy/Historical Pollutants	172.8
Acid Mine Drainage	Resource Extraction	148.7
Natural Sources	Natural/Wildlife	111.2
Reclamation Of Inactive Mining	Resource Extraction	100.0
Dredge Mining	Resource Extraction	57.5
Illegal Dumps Or Other Inappropriate Waste Disposal	Spills/Dumping	54.4
Managed Pasture Grazing	Agriculture	27.6
Impacts From Abandoned Mine Lands (Inactive)	Resource Extraction	24.1
Historic Bottom Deposits (Not Sediment)	Legacy/Historical Pollutants	18.4
Dam Construction (Other Than Upstream Flood Control Projects)	Hydromodification	15.5
Post-Development Erosion And Sedimentation	Hydromodification	13.3
Contaminated Groundwater	Groundwater Loadings/Withdrawals	9.0
Landfills	Land Application/Waste Sites/Tanks	7.4
Sanitary Sewer Overflows (Collection System Failures)	Municipal Discharges/Sewage	4.1
Rcra Hazardous Waste Sites	Industrial	3.4
Discharges From Biosolids (Sludge) Storage, Application Or Disposal	Land Application/Waste Sites/Tanks	3.0
Highways, Roads, Bridges, Infrasturcture (New Construction)	Construction	2.1
Site Clearance (Land Development Or Redevelopment)	Construction	2.1
Upstream Impoundments (E.G., Pl-566 Nrcs Structures)	Hydromodification	1.2

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Site-specific Targeted Monitoring Results

Indiana Lakes, Reservoirs, and Ponds 2006

Description of this table Assessed Status Acres Assessed 69,472.0 Unassessed 73,399.0 Total Acres 142,871.0

Description of this table Attainment Status Acres Good 2,496.0 Threatened .0 Impaired 66,976.0 Total Acres Assessed 69,472.0

Description of this table TMDL Development Status Acres All TMDLs completed .0 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 66,976.0 Total Threatened and Impaired 66,976.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Indiana Lakes, Reservoirs, and Ponds 2006

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table

Designated Use	Acres Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Full Body Contact	23,888.0	95.9	.0	4.1
Human Health And Wildlife	48,474.0	.0	.0	100.0
Public Water Supply	16,615.0	1.4	.0	98.6
Warm Water Aquatic Life	10,315.0	35.8	.0	64.2

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Site-specific Targeted Monitoring Results

Causes of Impairment
Indiana Lakes, Reservoirs, and Ponds 2006

Description of this table

Cause of Impairment	Cause of Impairment Group	Acres Threatened or Impaired
Mercury	Mercury	39,773.0
Polychlorinated Biphenyls (PCBs)	Polychlorinated Biphenyls (PCBs)	18,299.0
Chlorophyll-A	Algal Growth	16,385.0
Taste and Odor	Taste, Color and Odor	16,385.0
Cause Unknown	Cause Unknown	6,520.0
Temperature, Water	Temperature	1,556.0
Escherichia Coli (E. Coli)	Pathogens	983.0
pH	pH/Acidity/Caustic Conditions	105.0

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Site-specific Targeted Monitoring Results

Probable Sources
Indiana Lakes, Reservoirs, and Ponds 2006

Description of this table

Probable Source	Probable Source Group	Acres Threatened or Impaired
Source Unknown	Unknown	65,254.0
Industrial Point Source Discharge	Industrial	1,556.0
Non-Point Source	Unspecified Nonpoint Source	953.0
Acid Mine Drainage	Resource Extraction	105.0
Impervious Surface/Parking Lot Runoff	Urban-Related Runoff/Stormwater	30.0
Agriculture	Agriculture	30.0
Combined Sewer Overflows	Municipal Discharges/Sewage	30.0

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Site-specific Targeted Monitoring Results

Indiana Great Lakes Shoreline 2006

Description of this table Assessed Status Miles Assessed 59.2 Unassessed .0 Total Miles 59.2

Description of this table Attainment Status Miles Good .0 Threatened .0 Impaired 59.2 Total Miles Assessed 59.2

Description of this table TMDL Development Status Miles All TMDLs completed .0 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 59.2 Total Threatened and Impaired 59.2

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Indiana Great Lakes Shoreline 2006

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table

Designated Use	Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Full Body Contact	59.2	2.3	.0	97.7
Human Health And Wildlife	59.2	.0	.0	100.0
Public Water Supply	33.4	100.0	.0	.0
Warm Water Aquatic Life	59.2	97.7	.0	2.3

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Site-specific Targeted Monitoring Results

Causes of Impairment
Indiana Great Lakes Shoreline 2006

Description of this table

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Polychlorinated Biphenyls (PCBs)	Polychlorinated Biphenyls (PCBs)	59.2
Mercury	Mercury	59.2
Escherichia Coli (E. Coli)	Pathogens	57.8
Cyanide	Toxic Inorganics	1.4

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Site-specific Targeted Monitoring Results

Probable Sources
Indiana Great Lakes Shoreline 2006

Description of this table

Probable Source	Probable Source Group	Miles Threatened or Impaired
Source Unknown	Unknown	59.2
On-Site Treatment Systems (Septic Systems And Similar Decencentralized Systems)	Municipal Discharges/Sewage	18.5
Illicit Connections/Hook-Ups To Storm Sewers	Municipal Discharges/Sewage	18.5
Non-Point Source	Unspecified Nonpoint Source	5.9

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Site-specific Targeted Monitoring Results

Indiana Great Lakes Open Water 2006

Description of this table Pie chart not displayed because total size for Great Lakes Open Water is unavailable. Assessed Status Square Miles Assessed 240.9 Unassessed Unavailable Total Square Miles Unavailable

Description of this table Attainment Status Square Miles Good .0 Threatened .0 Impaired 240.9 Total Square Miles Assessed 240.9

Description of this table TMDL Development Status Square Miles All TMDLs completed .0 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 240.9 Total Threatened and Impaired 240.9

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Indiana Great Lakes Open Water 2006

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table

Designated Use	Square Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Human Health And Wildlife	240.9	.0	.0	100.0

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Site-specific Targeted Monitoring Results

Causes of Impairment
Indiana Great Lakes Open Water 2006

No causes of impairment reported.

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Site-specific Targeted Monitoring Results

Probable Sources
Indiana Great Lakes Open Water 2006

No probable sources of impairments reported.

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Indiana Causes of Impairment for Reporting Year 2006

Description of this table

NOTE: Click on the underlined Cause of Impairment Group to see a list of specific state causes of impairment making up the Cause of Impairment Group. See also Pollution categories summary document (PDF) (20 pp, 557K, About PDF) for brief, non-technical descriptions of general cause categories.
Cause of Impairment Group	Size of Assessed Waters with Listed Causes of Impairment
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Great Lakes Shoreline (Miles)	Great Lakes Open Water (Square Miles)
Algal Growth	118.1	16,385.0
Ammonia	36.6
Cause Unknown	1,979.7	6,520.0
Dioxins	154.3
Flow Alteration(s)	57.5
Habitat Alterations	92.5
Mercury	3,020.1	39,773.0	59.2
Metals (other than Mercury)	126.4
Nutrients	625.0
Oil and Grease	11.2
Organic Enrichment/Oxygen Depletion	469.3
Pathogens	7,595.4	983.0	57.8
Pesticides	53.6
pH/Acidity/Caustic Conditions	66.3	105.0
Polychlorinated Biphenyls (PCBs)	3,413.1	18,299.0	59.2
Salinity/Total Dissolved Solids/Chlorides/Sulfates	428.5
Sediment	116.2
Taste, Color and Odor		16,385.0
Temperature	9.9	1,556.0
Toxic Inorganics	68.5		1.4
Toxic Organics	21.8

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Indiana Probable Sources Contributing to Impairments
for Reporting Year 2006

Description of this table

NOTE: Click on the underlined Probable Source Group to see a list of specific state Probable Sources making up the Probable Source Group.
Probable Source Group	Size of Assessed Waters with Probable Sources of Impairments
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Great Lakes Shoreline (Miles)	Great Lakes Open Water (Square Miles)
Agriculture	2,493.3	30.0
Construction	2.1
Groundwater Loadings/Withdrawals	9.0
Habitat Alterations (Not Directly Related To Hydromodification)	575.7
Hydromodification	628.4
Industrial	352.9	1,556.0
Land Application/Waste Sites/Tanks	10.4
Legacy/Historical Pollutants	191.2
Municipal Discharges/Sewage	1,912.1	30.0	18.5
Natural/Wildlife	111.2
Resource Extraction	328.7	105.0
Spills/Dumping	54.4
Unknown	4,039.6	65,254.0	59.2
Unspecified Nonpoint Source	6,352.7	953.0	5.9
Urban-Related Runoff/Stormwater	453.1	30.0

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Indiana TMDL Alternatives by Cause of Impairment 2006

No TMDL Alternatives reported.

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Indiana Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards

Description of this table

NOTE: Click on the underlined "Number of Waters Attaining" value for a detailed list of those previously 303(d)-listed waters now attaining all applicable water quality standards.
Year Attaining	Number of Waters Attaining	Number of Causes of Impairment Addressed
2004	46	63
2006	39	44
2008	108	159

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Indiana Causes of Impairment for 303(d) Listed Waters

Description of this table

NOTE: Click on a cause of impairment (e.g. pathogens) to see the specific state-reported causes that are grouped to make up this category. Click on the "Number of Causes of Impairment Reported" to see a list of waters with that cause of impairment.
Cause of Impairment Group Name	Number of Causes of Impairment Reported
Pathogens	944
Polychlorinated Biphenyls (PCBs)	595
Mercury	524
Cause Unknown - Impaired Biota	333
Nutrients	94
Salinity/Total Dissolved Solids/Chlorides/Sulfates	76
Organic Enrichment/Oxygen Depletion	46
Algal Growth	17
Toxic Inorganics	15
Taste, Color and Odor	12
pH/Acidity/Caustic Conditions	10
Metals (other than Mercury)	9
Ammonia	5
Dioxins	4
Oil and Grease	3
Sediment	3
Pesticides	1

Total: 2,691 Causes of Impairment

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Indiana Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

Description of this table

NOTE: Click on the underlined "Pollutant" value to see associated listed waters for which a TMDL was developed. Click on the underlined "Number of TMDLs" value to see a listing of those TMDLs for the pollutant.
Pollutant	Number of TMDLs	Number of Causes of Impairment Addressed
Escherichia Coli (E. Coli)	800	800
Total Suspended Solids (TSS)	61	61
Phosphorus, Total	59	59
Phosphorus	58	67
Nitrite/Nitrate	22	22
Pathogens	22	22
Nitrogen, Total	20	20
Ammonia	1	1
Carbonaceous Bod	1	1
Dissolved Oxygen	1	2

Total: 1,045 TMDLs; 1,055 Causes of Impairment Addressed

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Indiana Cumulative Number of TMDLs

EPA Fiscal Year starts October 1 and ends September 30.

Description of this table

NOTE: Click on the underlined "Number of TMDLs Completed" value for a detailed list of the TMDLs for the fiscal year.
Fiscal Year	Number of TMDLs	Number of Causes of Impairment Addressed
2000	1	2
2001	2	2
2004	38	38
2005	165	165
2006	247	256
2007	95	95
2008	117	117
2009	103	103
2010	85	85
2011	106	106
2012	86	86

Total: 1,045 TMDLs; 1,055 Causes of Impairment Addressed

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