Aberjona River
Encyclopedia
The Aberjona River is a 9.3 miles (15 km), heavily urbanized river in the northwestern suburbs of Boston
Boston
Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region. The city proper had...

, Massachusetts
Massachusetts
The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...

.

The river arises in Reading
Reading, Massachusetts
Reading is an affluent town situated in Middlesex County, Massachusetts, United States, some north of central Boston. The population was 24,747 at the 2010 census.-Settlement and Independence:...

, flows roughly south through Woburn
Woburn, Massachusetts
Woburn is a city in Middlesex County, Massachusetts, USA. The population was 38,120 at the 2010 census. Woburn is located north of Boston, Massachusetts, and just south of the intersection of I-93 and I-95.- History :...

 and Winchester
Winchester, Massachusetts
Winchester is a town located in Middlesex County, Massachusetts, eight miles north of Boston. With its agricultural roots having mostly disappeared, it is now an affluent suburb...

, and empties into the Mystic Lakes
Mystic Lakes
The Mystic Lakes, consisting of Upper Mystic Lake and Lower Mystic Lake, are closely linked bodies of water in the northwestern suburbs of Boston, Massachusetts....

. It is generally small and heavily channelized, often running through underground culverts, but is quite apparent in Winchester center where it widens into Judkins Pond and the Mill Pond.

The Aberjona River was first identified by Europeans shortly after 1631, when Captain Edward Johnson explored the area. The name Aberjona appears in the earliest colonial records, but its origins are unknown. By 1865 there were 21 tanneries
Tanning
Tanning is the making of leather from the skins of animals which does not easily decompose. Traditionally, tanning used tannin, an acidic chemical compound from which the tanning process draws its name . Coloring may occur during tanning...

 and currying shops in Woburn, and by the 1870s pollution from tanneries in Woburn and Winchester was affecting both the river and the Upper Mystic Lake (then a public water supply). The Massachusetts Legislature banned the discharge of wastes into Horn Pond Brook (a tributary) in 1907 and into the Aberjona in 1911.

A 1995 study by Spliethoff and Hemond analyzed sediments of the Upper Mystic Lake with industrial records, and determined that high concentrations of arsenic
Arsenic
Arsenic is a chemical element with the symbol As, atomic number 33 and relative atomic mass 74.92. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. It was first documented by Albertus Magnus in 1250.Arsenic is a metalloid...

, cadmium
Cadmium
Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Similar to zinc, it prefers oxidation state +2 in most of its compounds and similar to mercury it shows a low...

, chromium
Chromium
Chromium is a chemical element which has the symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard metal that takes a high polish and has a high melting point. It is also odorless, tasteless, and malleable...

, copper
Copper
Copper is a chemical element with the symbol Cu and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; an exposed surface has a reddish-orange tarnish...

, lead
Lead
Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed...

, and zinc
Zinc
Zinc , or spelter , is a metallic chemical element; it has the symbol Zn and atomic number 30. It is the first element in group 12 of the periodic table. Zinc is, in some respects, chemically similar to magnesium, because its ion is of similar size and its only common oxidation state is +2...

 were deposited by chemical and leather industries dating from the early 1900s.

In the 1995 bestseller A Civil Action
A Civil Action
A Civil Action is a 1998 American drama film starring John Travolta and Robert Duvall, based on the book of the same name by Jonathan Harr...

(and 1998 film starring John Travolta
John Travolta
John Joseph Travolta is an American actor, dancer and singer. Travolta first became known in the 1970s, after appearing on the television series Welcome Back, Kotter and starring in the box office successes Saturday Night Fever and Grease...

), a 15 acre (6.1 ha) parcel of forest, field, and marshland on the banks of the Aberjona River is recalled by witnesses as the place where workers from abutting industrial plants (owned by W.R. Grace & Co. and Beatrice Foods
Beatrice Foods
Beatrice Foods Company was a major American food processing company. In 1987, its smaller international food operations were sold to Reginald Lewis, a corporate attorney creating TLC Beatrice International, after which the majority of its domestic brands and assets were acquired by Kohlberg,...

) dumped trichloroethylene
Trichloroethylene
The chemical compound trichloroethylene is a chlorinated hydrocarbon commonly used as an industrial solvent. It is a clear non-flammable liquid with a sweet smell. It should not be confused with the similar 1,1,1-trichloroethane, which is commonly known as chlorothene.The IUPAC name is...

 (TCE) and other toxic chemicals into trenches, or "swimming pools", "within a few inches of the water." At one time, the Aberjona River had "run clear and full of fish."

From 1969 into the early 1980s, the Industri-plex site was developed along the river due to its proximity to the I-93 / I-95 junction. Industri-plex manufacturing plants contributed to the area's extensive contamination with chemicals used by the local paper, textile and leather industries, including lead
Lead
Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed...

-arsenic
Arsenic
Arsenic is a chemical element with the symbol As, atomic number 33 and relative atomic mass 74.92. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. It was first documented by Albertus Magnus in 1250.Arsenic is a metalloid...

 insecticide
Insecticide
An insecticide is a pesticide used against insects. They include ovicides and larvicides used against the eggs and larvae of insects respectively. Insecticides are used in agriculture, medicine, industry and the household. The use of insecticides is believed to be one of the major factors behind...

s, acetic acid
Acetic acid
Acetic acid is an organic compound with the chemical formula CH3CO2H . It is a colourless liquid that when undiluted is also called glacial acetic acid. Acetic acid is the main component of vinegar , and has a distinctive sour taste and pungent smell...

, benzene
Benzene
Benzene is an organic chemical compound. It is composed of 6 carbon atoms in a ring, with 1 hydrogen atom attached to each carbon atom, with the molecular formula C6H6....

 and toluene
Toluene
Toluene, formerly known as toluol, is a clear, water-insoluble liquid with the typical smell of paint thinners. It is a mono-substituted benzene derivative, i.e., one in which a single hydrogen atom from the benzene molecule has been replaced by a univalent group, in this case CH3.It is an aromatic...

, and sulfuric acid
Sulfuric acid
Sulfuric acid is a strong mineral acid with the molecular formula . Its historical name is oil of vitriol. Pure sulfuric acid is a highly corrosive, colorless, viscous liquid. The salts of sulfuric acid are called sulfates...

. Industri-plex is now a "superfund
Superfund
Superfund is the common name for the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 , a United States federal law designed to clean up sites contaminated with hazardous substances...

" site, although substantially remediated.
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