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Connecticut State Report
Other states that contain this watershed:
Massachusetts, Lower Connecticut Watershed

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Water Quality Data Available for this Watershed

Connecticut, Lower Connecticut Watershed


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Listed Waters for Reporting Year 1998
Connecticut, Lower Connecticut Watershed

Description of this table
NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report.
1860 Reservoir A.K.A. Griswold Pond CT-4010 Wethersfield Lakes, Reservoirs, and Ponds acres
Batterson Park Pond CT-4401 Lakes, Reservoirs, and Ponds acres
Beseck Lake CT-4607(c) Middlefield Lakes, Reservoirs, and Ponds acres
Broad Brook CT-4206 Rivers and Streams miles
Coginchaug River CT-4607(b) Middletown Rivers and Streams 9 miles
Connecticut River CT-4000 Ma To Haddam Rivers and Streams 54 miles
Connecticut River CT-4000E Haddam To Mouth Rivers and Streams miles
Crystal Lake CT-4013(b) Middletown Lakes, Reservoirs, and Ponds acres
Dooley'S Pond CT-4013(a) Middletown Lakes, Reservoirs, and Ponds acres
Hockanum River CT-4500(b) Vernon To Mouth Rivers and Streams 17 miles
Lieutenant River CT-4020(a) Old Lyme Rivers and Streams miles
Long Island Sound CT-Long Island Sound Sound square miles
Mattabesset River CT-4600 Berlin-Cromwell Rivers and Streams 10 miles
Mill Pond CT-4402(a) Newington Lakes, Reservoirs, and Ponds acres
Park River, North Branch CT-4404 North Branch Rivers and Streams 6 miles
Park River_01 CT-4400(a) From Mouth At Connecticut River Us To Confluence With North Branch. Rivers and Streams 6 miles
Park River_01 CT-4400(a) From Mouth At Connecticut River Us To Confluence With North Branch. Rivers and Streams 6 miles
Scantic River_01 CT-4200 From Mouth Us To Confluence With Broad Brook, East Windsor. Rivers and Streams miles
Scantic River_01 CT-4200 From Mouth Us To Confluence With Broad Brook, East Windsor. Rivers and Streams miles
Shenipsit Lake CT-4500(a) Lakes, Reservoirs, and Ponds acres
Silver Lake CT-4601 Southeast Corner Of Berlin, Extending Slightly Into Northeast Meriden. Lakes, Reservoirs, and Ponds acres
Silver Lake CT-4601 Southeast Corner Of Berlin, Extending Slightly Into Northeast Meriden. Lakes, Reservoirs, and Ponds acres
Trout Brook CT-4403 Hartford, West Hartford Rivers and Streams miles

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Causes of Impairment for Reporting Year 1998

Connecticut, Lower Connecticut

Description of this table
Bacteria 8
Nutrients 8
Fish Passage Barrier 3
Fish Consumption Advisory - PCBs 2
Noxious Aquatic Plants 2
Sediment 2
Suspended Solids 2
Aluminum 1
Cadmium 1
Contaminated Sediments 1
Contaminated Sediments (Cadmium) 1
Contaminated Sediments (Chlordane) 1
Contaminated Sediments (Chromium) 1
Contaminated Sediments (Copper) 1
Contaminated Sediments (PAHs) 1
Contaminated Sediments (PCBs) 1
Contaminated Sediments (Zinc) 1
Debris 1
Dissolved Oxygen 1
Eutrophication 1
Fish Advisories 1
Flow Modification 1
Flow Modification/Regulation 1
Habitat Degradation 1
Hypoxia 1
Lead 1
Mercury 1
Pathogens 1
Polychlorinated Biphenyls (PCBs) 1
Sedimentation 1
Silver 1
Toxics 1

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Cumulative TMDLs by Pollutant

Connecticut, Lower Connecticut Watershed

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Number of TMDLs Completed" value to see a listing of those approved TMDLs for the pollutant.
Number of Causes of
Impairment Addressed
Escherichia Coli (E. Coli) color.gif 44 44
Nitrogen, Total color.gif 2 2
Algal Growth color.gif 1 1
Chlorophyll-A color.gif 1 1
Phosphorus, Total color.gif 1 1

Total: 49 TMDLs; 0 Causes of Impairment



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