Clay Pit Pond's Setting Belies Toxic Past
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Belmont Citizens Forum Clay Pit Pond’s Setting Belies Toxic Past By Jenny Kim Legend has it that an abandoned steam shovel, whole and intact, remains at the floor of the At a distance, Belmont’s Clay Pit Pond appears pond. as a picturesque gem, with a shimmering surface Despite the dump, several efforts were made and beautiful green surroundings. It is a popular to renovate land for public use. In 1928, the place for bird watching and yearbook photo firm of Underwood and Caldwell laid out the shoots. It was once even dubbed “Swan Lake” for first plan for a “Clay Pit Park.” Works Progress its mute swans. Administration (WPA) became involved during Yet on Clay Pit Pond’s shore stands a warning the Depression, and in 1938 WPA funds kick- sign: “PUBLIC HEALTH ADVISORY.” started the grading and tree planting at the site. Its waters are notorious. Mia Lippey and Will Tons of fill from Belmont’s street building Staub, both seniors at Belmont High School, were dumped into the Pond to make the banks said that they heard that a three-eyed flounder slope gently. During World War II, Belmont’s had been found washed up on Clay Pit’s shore. Victory Gardens were located near Clay Pit Pond. Several other students claimed that the pond is radioactive. Is the pond plagued merely by rumors, or is there something there? A Toxic History Starting in1888, the Parry Brothers Company and the New England Brick Company dug clay at this pit, which had some of the highest quality clay in the region. Eventually the clay ran out. By 1926, the pit was abandoned and filled with water from Wellington Brook, and the company sold the land surrounding their clay pit to the town. From the 1930’s through 1959, the land next to Clay Pit Pond where the high school sits became the town dump. During those years, there were reports of a thick blanket of noxious smoke covering the JENNY KIM area due to waste incineration. Warning sign at Clay Pit Pond. January/February 2013 Preserving Belmont’s Small-Town Atmosphere Vol. 14, No. 1 After World War II the town closed the landfill Avenue Playground, however, turned out to in stages and covered and graded the site. be something less than ‘satisfactory’ last Fall, In 1959, another landfill was established on however, when nails and pieces of glass working Concord Avenue near the Lexington line, and up from the fill through inadequate turf became the Clay Pit Pond dump was closed. More land a hazard to High School players. Use of the field around the pond was converted to parkland for that purpose was discontinued and the town and playing fields, but there were problems with is currently faced with a rebuilding problem.” building on a former landfill. The January 12, In 1970, Belmont High School was built 1967 issue of the Belmont Citizen reported: behind the pond. The Ruth Ippen Tree Walk, “The converting of one Section into a named for a Belmont resident active in town practice football field adjoining the Concord beautification and conservation, was dedicated at Clay Pit Park in 1987. By this time Clay Pit Pond became the scenic hot spot it is today. Belmont Citizens Forum Litter Today, Clay Pit Pond plays a crucial role in Officers Belmont’s storm drainage system. It collects all Grant Monahon, President the water from the Wellington Brook watershed, John Dieckmann, Vice President which drains Waverley Square, Belmont Center, Evanthia Malliris, Secretary and Cushing Square. Radha Iyengar, Treasurer But this also leads to constant accumulation Directors of litter. Debris has accumulated at Clay Pit Pond since its brickyard days. In 2001, the Sumner Brown David Chase Belmont Citizen Forum Newsletter reported Anne-Marie Lambert “large chucks of debris” left on the shore due Newsletter to spring floods (“Earth Day Volunteers Tidy Meg Muckenhoupt, Editor, Production Up Town,” May/June 2001). There were also Susan Jones, Photography reports of “pens, straws, bottle caps and rings, Sue Bass, Newsletter Committee, chunks of Styrofoam”—the “usual litter” left by Director Emerita high school students and other town residents. However, most of the trash around Clay Pit Pond Program Director comes from the surrounding streets; all storm Karen Parmett drains in this area drain into Clay Pit Pond. Intern Jenny (Yoon Jae) Kim Rats Since the summer of 1995 there has been Belmont Citizens Forum Inc. is a not-for-profit what former superintendent Peter Holland organization that strives to maintain the small- described as a “serious rat problem” at the town atmosphere of Belmont, Massachusetts, by edges of the pond, high school grounds, and preserving its natural and historical resources, neighboring areas. Residents reported rats “in limiting traffic growth, and enhancing pedestrian broad daylight in front of the high school,” safety. We do this by keeping residents informed in the trees near the flagpole and on the about planning and zoning issues, by participating perimeter of the pond (stated in Holland’s actively in public hearings, and by organizing letter to the Massachusetts Department of forums. Our Newsletter is published six times a Health). Concerned parents pressed the Belmont year, in January, March, May, July, September, and November. Published material represents the views Conservation Commission for immediate action. of the authors and not necessarily those of the They also sent their complaints to the super- Belmont Citizens Forum. Letters to the editor may intendent, who contacted the Massachusetts be sent to P. O. Box 609, Belmont MA 02478 or to Department of Health. The official rodent [email protected]. survey of Clay Pit Pond identified several causes 2 www.belmontcitizensforum.org of the rodent invasion, which generally had to Pit has not been a priority for the Mystic River do with food litter and improper canine feces Watershed Association (MyRWA) or the Town. disposal. In mid-November I saw a rat that had been run over along the Concord Avenue Biological Contamination crosswalk near the pond. This recent sighting Wellington Brook deposits various kinds reveals that the rat issue remains unsolved. of germs into Clay Pit Pond, including fecal coliform bacteria from sewage leakage into Chemical Pollution the brook and dog feces. MyRWA’s sampling The mysterious contents of Clay Pit’s water normally finds highE. coli levels in the brook are a topic of debate among Belmont residents, at the inflow to Clay Pit Pond. In 2010, MyRWA particularly high school students. When reported 129,970 E. coli per 100 milliliters of students are asked if they would swim in the water in Wellington Brook before it reaches Clay pond, the most popular response is, “No way! It’s Pit Pond. The Massachusetts limit for water used toxic!” for boating is 1,260 E. coli per 100 milliliters. The concern over Clay Pit’s safety is nothing However, MyRWA found that the bacteria new. A study titled “Analysis of Clay Pit Pond” levels dropped significantly in the water leaving written by Belmont High School students Clay Pit Pond. Less than a mile downstream of in 1978 predicted “that the fish will not last the pond, the water in Wellington Brook meets too long because it is getting more and more state standards for swimming. Even inside the polluted every day.” The students reported pond, bacteria levels dramatically, because most finding one dead fish in the pond and assumed E. coli bacteria die in the pond. The E. coli levels that “there are most likely others like that.” are low enough that Clay Pit Pond meets state In 1995, Belmont’s Conservation Commission requirements for swimming near the eastern asked the state to test the fish in Clay Pit Pond. end (See “Wellington Brook Bacteria Exceed Results showed unacceptably high levels of State Limits,” Belmont Citizens Forum Newsletter, chlordane. Chlordane is a pesticide that decom- November/December 2010.) poses slowly in the environment and accumu- lates in animals’ bodies. It is associated with a variety of cancers. In response to the high amounts detected, the Massachusetts Public Health Department issued a public warning: “Do not eat fish caught in this pond. They may be poisoned with chemicals.” The chlordane contamination appears to be concentrated in the sediments and fish tissue. Because swimming is prohibited S NE and the state has issued O a fishing advisory, the N B. J chlordane is not an sa imminent public health SU threat. Thus, Clay Waterfowl at Clay Pit Pond. January/February 2013 3 the perimeter. There were “no other environ- mental impacts” to the resident animals. Rumors and Wildlife People generally agree that there is something unpleasant under Clay Pit Pond’s surface. In the late 20th century, weekend fishing derbies at the pond were a popular springtime event for families. Even in the early 2000s, kids in the “Pre-Teen” summer camp at BHS swam there as a special recreational activity. Today, students avoid standing too close to the pond. “It definitely smells bad when it rains,” said Sol Park, a high school senior, who regularly jogs around the pond. “I don’t know what would happen if I fell in it. I heard I would grow an extra leg. But it won’t kill me.” S NE Yet this suspicion doesn’t seem to stop locals O from taking their morning strolls around the N B. J pond. It remains a popular spot to take pets and sa SU to exercise. There are geese, ducks, fish, even eels Great blue heron at Clay Pit Pond. living in the pond, and the green space and trees attract photographers and artists.