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List of dam removals in Connecticut

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The 2016 removal of the Norton Paper Mill Dam from the Jeremy River in Colchester.

This is a list of dams in Connecticut that have been removed as physical impediments to free-flowing rivers or streams.

Completed removals

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Dam[1] Height Year removed Location Watercourse Watershed Notes
Unnamed dam 11 ft (3.4 m) 1993 Bradley Brook
Muddy Pond Dam 8 ft (2.4 m) 1992 Muddy Brook
Little Pond Dam 10 ft (3.0 m) 1994 Tributary to Bigelow Creek
Spoonville Dam 25 ft (7.6 m) 2012 East Granby
41°54′04″N 72°45′24″W / 41.9012°N 72.7568°W / 41.9012; -72.7568 (Spoonville Dam) 		Farmington River Farmington River This hydropower dam had been partially washed out in 1955, forcing the river to flow rapidly through a narrow notch. It was removed to improve boat safety and to allow fish to swim upstream to spawn.[2]
Lower Pond Dam 12 ft (3.7 m) 1991 Wolcott
41°38′02″N 72°57′40″W / 41.634°N 72.9611°W / 41.634; -72.9611 (Lower Pond Dam) 		Cedar Swamp Brook Housatonic River
Old Papermill Pond Dam 9.8 ft (3.0 m) 2019 New Milford
41°36′28″N 73°24′43″W / 41.6079°N 73.4119°W / 41.6079; -73.4119 (Old Papermill Pond Dam) 		East Aspetuck River Mill dam owned by the Housatonic Fish and Game Protection Association.
Roraback Pond Dam 14.3 ft (4.4 m) 2021 Harwinton
41°43′44″N 73°03′08″W / 41.7289°N 73.0521°W / 41.7289; -73.0521 (Roraback Pond Dam) 		Tributary to Leadmine Brook The 510-foot (160 m) long earthen dam was owned by the Connecticut Department of Energy and Environmental Protection and impounded a 0.83-acre (0.34 ha) pond. It was in severe disrepair and was breached to remove maintenance and liability concerns, as well as for stream restoration.[3]
John Dee's Dam 17 ft (5.2 m) Waterbury
41°33′01″N 73°01′26″W / 41.5503°N 73.024°W / 41.5503; -73.024 (John Dee's Dam) 		Mad River
Century Brass Dam 2016 Waterbury
41°32′20″N 73°00′53″W / 41.539°N 73.0146°W / 41.539; -73.0146 (Century Brass Dam)
Union City Dam 16 ft (4.9 m) 1999 Naugatuck
41°29′45″N 73°03′11″W / 41.4959°N 73.053°W / 41.4959; -73.053 (Union City Dam) 		Naugatuck River
Anaconda Dam 11 ft (3.4 m) 1999 Waterbury
41°34′21″N 73°03′12″W / 41.5724°N 73.0533°W / 41.5724; -73.0533 (Anaconda Dam)
Freight Street Dam 2 ft (0.61 m) 1999 Waterbury
41°33′13″N 73°03′09″W / 41.5535°N 73.0525°W / 41.5535; -73.0525 (Freight Street Dam)
Platts Mill Dam 10 ft (3.0 m) 1999 Waterbury
41°31′10″N 73°03′05″W / 41.5195°N 73.0513°W / 41.5195; -73.0513 (Platts Mill Dam)
Chase Brass Dam 4 ft (1.2 m) 2004 Watertown
41°35′54″N 73°03′38″W / 41.5984°N 73.0605°W / 41.5984; -73.0605 (Chase Brass Dam) 		Brass mill dam.
Heminway Pond Dam 14 ft (4.3 m) 2018 Watertown Steele Brook Dam powered silk thread manufacturing, owned by the Town of Watertown.
Blackledge River Dam 11 ft (3.4 m) 2018 Glastonbury Blackledge River Lower Connecticut River Sawmill dam owned by the Town of Glastonbury.
Ed Bills Pond Dam 11 ft (3.4 m) 2015[4] Lyme
41°25′36″N 72°19′54″W / 41.4268°N 72.3318°W / 41.4268; -72.3318 (Ed Bills Pond Dam) 		East Branch Eightmile River Dam built for recreation and aesthetics.
Zemko Dam 5 ft (1.5 m) 2007 Salem
41°29′38″N 72°17′00″W / 41.494°N 72.2834°W / 41.494; -72.2834 (Zemko Dam) 		Owned by The Nature Conservancy.
Pizzini Dam 4.5 ft (1.4 m) 2005 East Haddam
41°26′01″N 72°20′06″W / 41.4336°N 72.335°W / 41.4336; -72.335 (Pizzini Dam) 		Eightmile River
Norton Paper Mill Dam 20 ft (6.1 m) 2016 Colchester
41°34′49″N 72°24′06″W / 41.5802°N 72.4017°W / 41.5802; -72.4017 (Norton Paper Mill Dam) 		Jeremy River Mill dam.
Raymond Brook Pond Dam 4 ft (1.2 m) 2007 Amston
41°36′54″N 72°22′04″W / 41.6149°N 72.3678°W / 41.6149; -72.3678 (Raymond Brook Pond Dam) 		Raymond Brook
Slocomb Pond Dam 12 ft (3.7 m) 2020 Glastonbury
41°39′49″N 72°34′46″W / 41.6635°N 72.5794°W / 41.6635; -72.5794 (Slocomb Pond Dam) 		Roaring Brook Mill dam owned by the Town of Glastonbury.
Scantic River Dam (Springborn Dam) 26 ft (7.9 m) 2017 Hazardville
41°58′59″N 72°31′07″W / 41.9831°N 72.5185°W / 41.9831; -72.5185 (Scantic River Dam (Springborn Dam)) 		Scantic River Mill dam.
Karp Family Dam 2015 Suffield
41°57′44″N 72°37′50″W / 41.9622°N 72.6305°W / 41.9622; -72.6305 (Karp Family Dam) 		Stony Brook Dam built for recreation.
Indian Lake Dam 12 ft (3.7 m) 1994 Clinton
41°17′13″N 72°31′33″W / 41.2869°N 72.5257°W / 41.2869; -72.5257 (Indian Lake Dam) 		Indian River Indian River
Hyde Pond 4.8 ft (1.5 m) 2015 Stonington and Groton
41°23′48″N 71°57′34″W / 41.3966°N 71.9594°W / 41.3966; -71.9594 (Hyde Pond) 		Whitford Brook Mystic River Grist mill dam.
Flock Process Dam 15 ft (4.6 m) 2018 Norwalk
41°08′23″N 73°25′37″W / 41.1398°N 73.4269°W / 41.1398; -73.4269 (Flock Process Dam) 		Norwalk River Norwalk River Mill dam.
White Rock Dam 6 ft (1.8 m) 2015 Stonington
41°24′21″N 71°50′36″W / 41.4059°N 71.8434°W / 41.4059; -71.8434 (White Rock Dam) 		Pawcatuck River Pawcatuck River Mill dam.
Murphy Dam 2009 Putnam
41°54′55″N 71°55′02″W / 41.9153°N 71.9173°W / 41.9153; -71.9173 (Murphy Dam) 		Little River Quinebaug River
Sprucedale Water Dam 10 ft (3.0 m) 1980 Woodstock
41°56′06″N 71°58′46″W / 41.9349°N 71.9795°W / 41.9349; -71.9795 (Sprucedale Water Dam) 		Mill Brook
Moosup Dam #1 6 ft (1.8 m) 2014 Plainfield
41°43′03″N 71°54′04″W / 41.7176°N 71.9012°W / 41.7176; -71.9012 (Moosup Dam #1) 		Moosup River
Griswold Rubber Dam 4 ft (1.2 m) 2015 Plainfield
41°42′57″N 71°52′42″W / 41.7159°N 71.8784°W / 41.7159; -71.8784 (Griswold Rubber Dam) 		Industrial dam.
Brunswick Mill #1 Dam 4 ft (1.2 m) 2017 Plainfield
41°43′03″N 71°51′40″W / 41.7176°N 71.861°W / 41.7176; -71.861 (Brunswick Mill #1 Dam) 		National Inventory of Dams ID CT00579.
Carpenter Dam 6 ft (1.8 m) 2016 Meriden and Cheshire
41°31′38″N 72°51′26″W / 41.5273°N 72.8571°W / 41.5273; -72.8571 (Carpenter Dam) 		Quinnipiac River Quinnipiac River Mill dam.
Clark Brothers Dam 5 ft (1.5 m) 2016 Southington
41°34′16″N 72°53′48″W / 41.571°N 72.8967°W / 41.571; -72.8967 (Clark Brothers Dam) 		Mill dam.
Woodings Pond Dam 15 ft (4.6 m) 1971 Wallingford
41°28′29″N 72°49′52″W / 41.4746°N 72.8312°W / 41.4746; -72.8312 (Woodings Pond Dam) 		Tributary to Quinnipiac River
Simpson's Pond Dam 8 ft (2.4 m) 1995 Wallingford
41°27′04″N 72°48′34″W / 41.4512°N 72.8094°W / 41.4512; -72.8094 (Simpson's Pond Dam) 		Wharton Brook National Inventory of Dams ID CT00630.
Main Street Dam 9.3 ft (2.8 m) 2010 Stamford
41°03′11″N 73°32′45″W / 41.053°N 73.5457°W / 41.053; -73.5457 (Main Street Dam) 		Rippowam River Rippowam River Owned by City of Stamford.
Frankel Dams 6 ft (1.8 m) 2011 Westport
41°11′03″N 73°20′50″W / 41.1843°N 73.3471°W / 41.1843; -73.3471 (Frankel Dams) 		Aspetuck River Saugatuck River
Post Office Dam 6 ft (1.8 m) 2019 Sprague
41°37′00″N 72°05′05″W / 41.6167°N 72.0848°W / 41.6167; -72.0848 (Post Office Dam) 		Beaver Brook Shetucket River Mill dam owned by the Town of Sprague.
Baltic Mills Dam 26 ft (7.9 m) 1938 Baltic
41°37′03″N 72°05′05″W / 41.6175°N 72.0848°W / 41.6175; -72.0848 (Baltic Mills Dam) 		Shetucket River
Talbot Wildlife Management Area Dam 4 ft (1.2 m) 2015 Scotland Merrick Branch Owned by the State of Connecticut.
Picker Pond Dam 28 ft (8.5 m) 2021 Montville
41°26′39″N 72°07′15″W / 41.4442°N 72.1208°W / 41.4442; -72.1208 (Picker Pond Dam) 		Oxoboxo River Thames River Dam built for recreation.
Uncasville Mill Dam 2020 Montville
41°26′14″N 72°06′35″W / 41.4372°N 72.1097°W / 41.4372; -72.1097 (Uncasville Mill Dam)
Rutan Dam 9 ft (2.7 m) 2012 Stonington
41°22′04″N 71°51′55″W / 41.3677°N 71.8652°W / 41.3677; -71.8652 (Rutan Dam) 		Anguilla Brook Wequetequock Cove Dam built for a mink farm.
Pond Lily Dam 6 ft (1.8 m) 2015 New Haven
41°20′08″N 72°58′32″W / 41.3355°N 72.9756°W / 41.3355; -72.9756 (Pond Lily Dam) 		West River West River Grist mill dam.
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References

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  1. ^ Rivers, American (February 13, 2023). "American Rivers Dam Removal Database". Figshare. American Rivers. doi:10.6084/m9.figshare.5234068.v10. Retrieved August 25, 2023.
  2. ^ Cohen, Jeff (July 11, 2012). "On The Farmington River, A Dam Comes Down". Connecticut Public Radio. Retrieved January 23, 2024.
  3. ^ "Notice of Scoping for Roraback Pond Dam Removal". CT.gov. Connecticut Council on Environmental Quality. January 2018. Retrieved January 23, 2024.
  4. ^ Ahrens, Jennifer (June 5, 2023). "8 years after a dam was removed, nature has reclaimed large parts of the Eightmile River in Lyme". Connecticut Public Radio. Retrieved January 23, 2024.
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