Watershed Quality Assessment Report | WATERS

Assessment Summary
Causes of Impairment
Probable Sources Contributing to Impairment
TMDL Alternatives by Cause of Impairment
Cumulative TMDLs by Pollutant

Massachusetts State Report
Other states that contain this watershed:
Vermont, Middle Connecticut Watershed
New Hampshire, Middle Connecticut Watershed

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Massachusetts, Middle Connecticut Watershed

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Assessment Summary for Reporting Year 2010
Massachusetts, Middle Connecticut Watershed

Description of this table
Click here to list Threatened and Impaired Waters Only

Waterbody Name	Waterbody ID	Location	Map	Waterbody Type	Size	Units	Status	State TMDL Development Status
NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report.
Arcadia Lake	MA34005	Belchertown	Waterbody Map	Freshwater Lake	32.3	Acres	Impaired	TMDL needed
Atkins Reservoir	MA34006	Shutesbury	Waterbody Map	Freshwater Lake	46.5	Acres	Not_Assessed
Bachelor Brook	MA34-07	Outlet Forge Pond, Granby To Confluence With Connecticut River, South Hadley (Through Former Segments Aldrich Lake [East Basin] Ma34002 And Aldrich Lake [West Basin] Ma34106).	Waterbody Map	River	11.6	Miles	Impaired	TMDL completed
Brickyard Brook	MA34-13	Headwaters, Westfield To Confluence With Manhan River, Westfield.	Waterbody Map	River	1.6	Miles	Not_Assessed
Broad Brook	MA34-18	Headwaters, Holyoke To Inlet Nashawannuck Pond, Easthampton.	Waterbody Map	River	9.3	Miles	Good
Connecticut River	MA34-01	New Hampshire/Vermont/Massachusetts State Line To Route 10 Bridge, Northfield.	Waterbody Map	River	3.5	Miles	Impaired	TMDL needed
Connecticut River	MA34-02	Route 10 Bridge, Northfield To Turners Falls Dam, Gill/Montague.	Waterbody Map	River	11.2	Miles	Impaired	TMDL needed
Connecticut River	MA34-03	Turners Falls Dam, Gil/Montague To Confluence With Deerfield River, Greenfield/Montague/Deerfield.	Waterbody Map	River	3.6	Miles	Impaired	TMDL needed
Connecticut River	MA34-04	Confluence With Deerfield River, Greenfield/Montague/Deerfield To Holyoke Dam, Holyoke/South Hadley.	Waterbody Map	River	34.4	Miles	Impaired	TMDL needed
Connecticut River	MA34-05	Holyoke Dam, Holyoke/South Hadley To Massachusetts/Connecticut Border.	Waterbody Map	River	15.9	Miles	Impaired	TMDL needed
Cranberry Pond	MA34018	Sunderland	Waterbody Map	Freshwater Lake	28.1	Acres	Impaired	Non-pollutant impairment
Danks Pond	MA34019	Northampton/Easthampton	Waterbody Map	Freshwater Lake	2.8	Acres	Not_Assessed
Factory Hollow Pond	MA34021	Amherst	Waterbody Map	Freshwater Lake	11.9	Acres	Not_Assessed
Forge Pond	MA34024	Granby	Waterbody Map	Freshwater Lake	72.0	Acres	Impaired	TMDL needed
Fort River	MA34-27	Headwaters (Confluence Of Adams And Amethyst Brooks, Amherst), To Confluence Connecticut River, Hadley.	Waterbody Map	River	12.8	Miles	Impaired	TMDL needed
Green Pond	MA34028	Montague	Waterbody Map	Freshwater Lake	14.7	Acres	Not_Assessed
Ingraham Brook Pond	MA34037	Granby	Waterbody Map	Freshwater Lake	4.6	Acres	Impaired	Non-pollutant impairment
Lake Bray	MA34013	Holyoke	Waterbody Map	Freshwater Lake	10.3	Acres	Impaired	Non-pollutant impairment
Lake Holland	MA34035	Belchertown	Waterbody Map	Freshwater Lake	10.6	Acres	Impaired	Non-pollutant impairment
Lake Pleasant	MA34070	Montague	Waterbody Map	Freshwater Lake	54.0	Acres	Not_Assessed
Lake Warner	MA34098	Hadley	Waterbody Map	Freshwater Lake	65.1	Acres	Impaired	TMDL completed
Lake Wyola	MA34103	Shutesbury	Waterbody Map	Freshwater Lake	126.1	Acres	Impaired	TMDL completed
Lampson Brook	MA34-06	Belchertown Wwtp Discharge, Belchertown To Confluence With Weston Brook, Belchertown.	Waterbody Map	River	1.2	Miles	Impaired	TMDL needed
Leaping Well Reservoir	MA34040	South Hadley	Waterbody Map	Freshwater Lake	8.8	Acres	Impaired	TMDL needed
Leverett Pond	MA34042	Leverett	Waterbody Map	Freshwater Lake	90.7	Acres	Impaired	TMDL completed
Long Plain Brook	MA34-09	Headwaters, Leveret/Sunderland Town Line (In Mt. Toby State Forest) To Confluence With Russellville Brook At Route 116, Sunderland.	Waterbody Map	River	5.0	Miles	Not_Assessed
Lower Highland Lake	MA34047	Goshen	Waterbody Map	Freshwater Lake	90.7	Acres	Not_Assessed
Lower Mill Pond	MA34048	Easthampton	Waterbody Map	Freshwater Lake	29.6	Acres	Impaired	Non-pollutant impairment
Manhan River	MA34-10	Headwaters, Northeast Of Norwich Pond, Huntington To Inlet Tighe Carmody Reservoir, Southampton (Thru White Reservoir Formely Segment Ma34100).	Waterbody Map	River	6.6	Miles	Not_Assessed
Manhan River	MA34-11	Outlet Tighe Carmody Reservoir, Southampton To Confluence With Connecticut River, Easthampton.	Waterbody Map	River	19.2	Miles	Impaired	TMDL needed
Metacomet Lake	MA34051	Belchertown	Waterbody Map	Freshwater Lake	50.5	Acres	Impaired	TMDL needed
Mill River	MA34-24	Headwaters East Of Fisher Hill, Conway To Confluence With The Connecticut River, Hatfield.	Waterbody Map	River	24.6	Miles	Good
Mill River	MA34-25	Headwaters, Outlet Factory Hollow Pond, Amherst To Inlet Lake Warner, Hadley.	Waterbody Map	River	5.2	Miles	Impaired	TMDL needed
Mill River	MA34-28	Headwaters (Confluence Of East And West Branch Mill River, Williamsburg), To Outlet Paradise Pond, Northampton.	Waterbody Map	River	10.0	Miles	Impaired	TMDL needed
Mill River Diversion	MA34-32	Headwaters, Outlet Paradise Pond To Confluence With Oxbow (East Of Old Springfield Road), Northampton (Thru Hulberts Pond Formely Segment Ma34036).	Waterbody Map	River	2.5	Miles	Not_Assessed
Moose Brook	MA34-17	Headwaters, Southampton To Confluence With Manhan River, Southampton.	Waterbody Map	River	2.6	Miles	Good
Mountain Street Reservoir	MA34056	Williamsburg/Hatfield/Whately	Waterbody Map	Freshwater Lake	66.7	Acres	Not_Assessed
Nashawannuck Pond	MA34057	Easthampton	Waterbody Map	Freshwater Lake	30.1	Acres	Impaired	TMDL needed
Northampton Reservoir	MA34059	Whately	Waterbody Map	Freshwater Lake	80.4	Acres	Not_Assessed
Northfield Mountain Reservoir	MA34061	Erving	Waterbody Map	Freshwater Lake	237.3	Acres	Not_Assessed
Oxbow	MA34066	The Waterbody West Of Route 91 (Bounded On The Northeast By Route 91, The Southeast By The Manhan River, And The West By Old Springfield Road), Northampton/Easthampton (Excluding The Delineated Segment; Danks Pond Ma34019).	Waterbody Map	Freshwater Lake	148.1	Acres	Impaired	TMDL needed
Pine Island Lake	MA34069	Westhampton	Waterbody Map	Freshwater Lake	55.1	Acres	Not_Assessed
Potash Brook	MA34-12	Headwaters To Confluence With Manhan River, Southampton.	Waterbody Map	River	1.0	Miles	Not_Assessed
Roberts Meadow Reservoir	MA34076	Northampton	Waterbody Map	Freshwater Lake	22.4	Acres	Not_Assessed
Sawyer Ponds	MA34078	[North Basin] Northfield	Waterbody Map	Freshwater Lake	9.3	Acres	Not_Assessed
Sawyer Ponds	MA34079	[South Basin] Northfield	Waterbody Map	Freshwater Lake	12.4	Acres	Not_Assessed
Stony Brook	MA34-19	Headwaters, Granby To Confluence With Connecticut River, South Hadley (Thru Upper Pond Formerly Segment Ma34095 And Lower Pond Formerly Segment Ma34049).	Waterbody Map	River	13.3	Miles	Impaired	TMDL needed
Tighe Carmody Reservoir	MA34089	Southampton	Waterbody Map	Freshwater Lake	353.4	Acres	Not_Assessed
Tripple Brook	MA34-16	Headwaters, Southampton To Confluence With Manhan River, Southampton.	Waterbody Map	River	1.0	Miles	Good
Unnamed Tributary	MA34-31	Headwater, Outlet Lake Warner To Confluence With Connecticut River, Hadley.	Waterbody Map	River	.5	Miles	Not_Assessed
Upper Highland Lake	MA34093	Goshen	Waterbody Map	Freshwater Lake	51.2	Acres	Good
Upper Van Horn Park Pond	MA34128	Springfield (Changed From Ma36158 To 34128 On 6/21/02, Trd)	Waterbody Map	Freshwater Lake	8.3	Acres	Impaired	TMDL needed
Weston Brook	MA34-23	Headwaters, Belchertown To Inlet Forge Pond, Granby.	Waterbody Map	River	2.7	Miles	Impaired	TMDL needed
White Brook	MA34-14	Headwaters, Easthampton To Inlet Nashawannuck Pond, Easthampton.	Waterbody Map	River	1.8	Miles	Not_Assessed
Whiting Street Reservoir	MA34101	Holyoke	Waterbody Map	Freshwater Lake	102.4	Acres	Impaired	Non-pollutant impairment
Wilton Brook	MA34-15	Headwaters, Easthampton To Outlet Rubberthread Pond (Formerly Segment Ma34105) , Easthampton.	Waterbody Map	River	1.1	Miles	Impaired	TMDL needed

Description of this table
Click here to list All Assessed Waters

Waterbody Name	Waterbody ID	Location	Map	Waterbody Type	Size	Units	Status	State TMDL Development Status
NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report.
Arcadia Lake	MA34005	Belchertown	Waterbody Map	Freshwater Lake	32.3	Acres	Impaired	TMDL needed
Bachelor Brook	MA34-07	Outlet Forge Pond, Granby To Confluence With Connecticut River, South Hadley (Through Former Segments Aldrich Lake [East Basin] Ma34002 And Aldrich Lake [West Basin] Ma34106).	Waterbody Map	River	11.6	Miles	Impaired	TMDL completed
Connecticut River	MA34-01	New Hampshire/Vermont/Massachusetts State Line To Route 10 Bridge, Northfield.	Waterbody Map	River	3.5	Miles	Impaired	TMDL needed
Connecticut River	MA34-02	Route 10 Bridge, Northfield To Turners Falls Dam, Gill/Montague.	Waterbody Map	River	11.2	Miles	Impaired	TMDL needed
Connecticut River	MA34-03	Turners Falls Dam, Gil/Montague To Confluence With Deerfield River, Greenfield/Montague/Deerfield.	Waterbody Map	River	3.6	Miles	Impaired	TMDL needed
Connecticut River	MA34-04	Confluence With Deerfield River, Greenfield/Montague/Deerfield To Holyoke Dam, Holyoke/South Hadley.	Waterbody Map	River	34.4	Miles	Impaired	TMDL needed
Connecticut River	MA34-05	Holyoke Dam, Holyoke/South Hadley To Massachusetts/Connecticut Border.	Waterbody Map	River	15.9	Miles	Impaired	TMDL needed
Cranberry Pond	MA34018	Sunderland	Waterbody Map	Freshwater Lake	28.1	Acres	Impaired	Non-pollutant impairment
Forge Pond	MA34024	Granby	Waterbody Map	Freshwater Lake	72.0	Acres	Impaired	TMDL needed
Fort River	MA34-27	Headwaters (Confluence Of Adams And Amethyst Brooks, Amherst), To Confluence Connecticut River, Hadley.	Waterbody Map	River	12.8	Miles	Impaired	TMDL needed
Ingraham Brook Pond	MA34037	Granby	Waterbody Map	Freshwater Lake	4.6	Acres	Impaired	Non-pollutant impairment
Lake Bray	MA34013	Holyoke	Waterbody Map	Freshwater Lake	10.3	Acres	Impaired	Non-pollutant impairment
Lake Holland	MA34035	Belchertown	Waterbody Map	Freshwater Lake	10.6	Acres	Impaired	Non-pollutant impairment
Lake Warner	MA34098	Hadley	Waterbody Map	Freshwater Lake	65.1	Acres	Impaired	TMDL completed
Lake Wyola	MA34103	Shutesbury	Waterbody Map	Freshwater Lake	126.1	Acres	Impaired	TMDL completed
Lampson Brook	MA34-06	Belchertown Wwtp Discharge, Belchertown To Confluence With Weston Brook, Belchertown.	Waterbody Map	River	1.2	Miles	Impaired	TMDL needed
Leaping Well Reservoir	MA34040	South Hadley	Waterbody Map	Freshwater Lake	8.8	Acres	Impaired	TMDL needed
Leverett Pond	MA34042	Leverett	Waterbody Map	Freshwater Lake	90.7	Acres	Impaired	TMDL completed
Lower Mill Pond	MA34048	Easthampton	Waterbody Map	Freshwater Lake	29.6	Acres	Impaired	Non-pollutant impairment
Manhan River	MA34-11	Outlet Tighe Carmody Reservoir, Southampton To Confluence With Connecticut River, Easthampton.	Waterbody Map	River	19.2	Miles	Impaired	TMDL needed
Metacomet Lake	MA34051	Belchertown	Waterbody Map	Freshwater Lake	50.5	Acres	Impaired	TMDL needed
Mill River	MA34-25	Headwaters, Outlet Factory Hollow Pond, Amherst To Inlet Lake Warner, Hadley.	Waterbody Map	River	5.2	Miles	Impaired	TMDL needed
Mill River	MA34-28	Headwaters (Confluence Of East And West Branch Mill River, Williamsburg), To Outlet Paradise Pond, Northampton.	Waterbody Map	River	10.0	Miles	Impaired	TMDL needed
Nashawannuck Pond	MA34057	Easthampton	Waterbody Map	Freshwater Lake	30.1	Acres	Impaired	TMDL needed
Oxbow	MA34066	The Waterbody West Of Route 91 (Bounded On The Northeast By Route 91, The Southeast By The Manhan River, And The West By Old Springfield Road), Northampton/Easthampton (Excluding The Delineated Segment; Danks Pond Ma34019).	Waterbody Map	Freshwater Lake	148.1	Acres	Impaired	TMDL needed
Stony Brook	MA34-19	Headwaters, Granby To Confluence With Connecticut River, South Hadley (Thru Upper Pond Formerly Segment Ma34095 And Lower Pond Formerly Segment Ma34049).	Waterbody Map	River	13.3	Miles	Impaired	TMDL needed
Upper Van Horn Park Pond	MA34128	Springfield (Changed From Ma36158 To 34128 On 6/21/02, Trd)	Waterbody Map	Freshwater Lake	8.3	Acres	Impaired	TMDL needed
Weston Brook	MA34-23	Headwaters, Belchertown To Inlet Forge Pond, Granby.	Waterbody Map	River	2.7	Miles	Impaired	TMDL needed
Whiting Street Reservoir	MA34101	Holyoke	Waterbody Map	Freshwater Lake	102.4	Acres	Impaired	Non-pollutant impairment
Wilton Brook	MA34-15	Headwaters, Easthampton To Outlet Rubberthread Pond (Formerly Segment Ma34105) , Easthampton.	Waterbody Map	River	1.1	Miles	Impaired	TMDL needed

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Causes of Impairment for Reporting Year 2010

Massachusetts, Middle Connecticut

Description of this table

Cause of Impairment	Size of Assessed Waters with Listed Causes of Impairment
NOTE: Click on the underlined "Cause of Impairment" value to see a listing of those waters with that cause of impairment.
Cause of Impairment	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)
Low Flow Alterations	3.6
Non-Native Aquatic Plants	14.5	552.8
Other Flow Regime Alterations	18.3
Turbidity	13.3	213.2
Excess Algal Growth		73.9
Nutrient/Eutrophication Biological Indicators	11.6	359.5
Phosphorus, Total	3.9	229.6
Dissolved Oxygen	1.2	115.7
Aquatic Plants (Macrophytes)	1.1
Total Suspended Solids (TSS)	19.5
Alteration in Stream-Side or Littoral Vegetative Covers	14.7
Escherichia Coli (E. Coli)	110.7
Eurasian Water Milfoil, Myriophyllum Spicatum		221.3
PCB(s) in Fish Tissue	68.5

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Probable Sources Contributing to Impairments for Reporting Year 2010

Massachusetts, Middle Connecticut Watershed

Description of this table

Probable Source	Size of Assessed Waters with Probable Sources of Impairments
Probable Source	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)
Agriculture	5.2
Combined Sewer Overflows	15.9
Impacts From Hydrostructure Flow Regulation/Modification	18.3
Internal Nutrient Recycling		126.1
Introduction Of Non-Native Organisms (Accidental Or Intentional)	14.5	674.5
Municipal Point Source Discharges	1.2
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems)		32.3
Source Unknown	144.5	541.3
Streambank Modifications/Destabilization	14.7
Unspecified Urban Stormwater	5.2
Urban Runoff/Storm Sewers		8.3
Wet Weather Discharges (Non-Point Source)	1.2
Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso)	15.9