EPA Watch List

ContaminantDescriptionEPA Classification
1,1,2,2-Tetrachloroethane1,1,2,2-Tetrachloroethane is a synthetic chemical used for metal degreasing and in the production of paint, cement, paint removers and moth-proofing products.Chemical
1,1-Dichloroethane1,1-Dichloroethane is used in industrial chemical synthesis, as a solvent for plastics, paint, varnish, and finish removers and as an insecticide/fumigant.Chemical
1,1-Dichloropropene1,1-Dichloropropene is a chlorinated volatile solvent with industrial uses and is found as pollutant in surface and groundwater.Chemical
1,2,4-Trimethylbenzene1,2,4-Trimethylbenzene is a chemical intermediate, industrial solvent, and component of gasoline, coal tar and petroleum products.Chemical
1,2-Diphenylhydrazine1,2-Diphenylhydrazine is a manufactured chemical formerly used to make fabric dyes; still used in production of some pharmaceuticals.Chemical
1,3-Dichloropropane1,3-Dichloropropane is an industrial solvent and an intermediate for manufacture of other chemicals.Chemical
1,3-Dichloropropene1,3-Dichloropropene is used in chemical synthesis, in agriculture as a soil fumigant and nematocide, and as a corrosion inhibition agent.Chemical
2,2-Dichloropropane2,2-Dichloropropane is an intermediate used in chemical manufacturing.Chemical
2,4,6-Trichlorophenol2,4,6-Trichlorophenol is a manufactured chemical that had been formerly used in various pesticide formulations and wood preservatives; probable human carcinogen; persistent in the environment; phased out of most uses in the U.S.Chemical
2,4-Dichlorophenol2,4-Dichlorophenol is a chlorinated derivative of phenol; used in chemical manufacture as an intermediate to produce herbicide 2,4-D as well as other pesticides preservatives, antiseptics, and disinfectants .Chemical
2,4-Dinitrophenol2,4-Dinitrophenol is a manufactured chemical used in making dyes, wood preservatives, explosives, insect control substances, and as a photographic developer.Chemical
2,4-Dinitrotoluene2,4-Dinitrotoluene is a synthetic chemical used in the production of dyes and as a propellant in explosives.Chemical
2,6-Dinitrotoluene2,6-Dinitrotoluene is a chemical intermediate in the production of other industrial chemicals, dyes, explosives and propellants.Chemical
2-methyl-PhenolCresols are organic compounds which are methylphenols. They are a widely occurring natural and manufactured group of aromatic organic compounds which are categorized as phenols (sometimes called phenolics). Chemical
AcetochlorAcetochlor is an herbicide used on cabbage, citrus, coffee and corn crops; it is a probable human carcinogen.Chemical
AdenovirusesAdenoviruses are medium-sized (90–100 nm), nonenveloped (without an outer lipid bilayer) icosahedral viruses composed of a nucleocapsid and a double-stranded linear DNA genome. There are 57 described serotypes in humans, which are responsible for 5–10% ofMicrobial
Aeromonas hydrophilaAeromonas hydrophila is a heterotrophic, Gram-negative, rod-shaped bacterium mainly found in areas with a warm climate. . It can survive in aerobic and anaerobic environments, and can digest materials Microbial
Alachlor ESA (Ethane Sulfonic Acid)Alachlor ESA is a breakdown product of herbicide Alachlor.Chemical
BoronBoron is a chemical element with chemical symbol B and atomic number 5. Because boron is produced entirely by cosmic ray spallation and not by stellar nucleosynthesis,[8] it is a low-abundance element in both the solar system and the Earth's crust. Chemical
BromobenzeneBromobenzene is an industrial solvent, an intermediate in chemical manufacturing and a motor oil additive; it may form as a byproduct of water disinfection.Chemical
CalicivirusesCaliciviruses that together with the noroviruses, are the most common cause of acute viral gastroenteritis in adults.[1] The type species is Sapporo virus[2] and it is named after Sapporo, Japan where the virus was first discovered.Microbial
CoxsackievirusesCoxsackievirus is a virus that belongs to a family of nonenveloped, linear, positive-sense ssRNA viruses, Picornaviridae and the genus Enterovirus, which also includes poliovirus and echovirus.Microbial
Cyanobacteria, other freshwater algae, and their toxinsCyanobacteria (/sa??æno?bæk?t??ri?/), also known as blue-green bacteria, blue-green algae, and Cyanophyta, is a phylum of bacteria that obtain their energy through photosynthesis.Microbial
DCPA di-acid degradateDCPA di acid degradate is a residue of Dacthal (DCPA), an herbicide used for urban, household and agricultural applications.Chemical
DCPA mono-acid degradateDCPA mono acid degradate is a residue of Dacthal (DCPA),an herbicide used for urban, household and agricultural applications.Chemical
DDE1,1-Dichloro-2,2-bis(p-chlorophenyl) ethylene (DDE) is a breakdown product of DDT, which was used in the past as an insecticide. No information is available on the acute (short-term) or chronic (long-term) effects of DDE. Acute, oral exposure to high doChemical
DiazinonDiazinon is an herbicide for various household and agricultural uses.Chemical
DisulfotonDisulfoton is a herbicide used on small grains, sorghum, corn, some vegetables, fruit, and nut crops, ornamental, and potted plants.Chemical
DiuronDiuron is an herbicide used on railroad rights-of-way, cotton, citrus crops, fruits, nuts and other crops.Chemical
EchovirusesAn ECHO (Enteric Cytopathic Human Orphan) virus, is a type of RNA virus that belongs to the genus Enterovirus of the Picornaviridae family.[1] Echoviruses are found in the gastrointestinal tract.Microbial
EPTCEPTC (Eptam, S-Ethyl N,N-dipropylthiocarbamate) is an herbicide used as a soil fumigant for corn and other crops for the control of grassy, perennial and broadleaf weeds.Chemical
FonofosFonofos is an insecticide used on corn and on commercial and residential lawns.Chemical
Helicobacter pyloriHelicobacter pylori (/?h?l?k??bækt?r pa??l?ra?/; H. pylori), previously named Campylobacter pyloridis, is a Gram-negative, microaerophilic bacterium found in the stomach. Microbial
LinuronLinuron is a herbicide used on various food and non-food crops as well as on crops stored in warehouses and storerooms. Chemical
Methyl bromideBromomethane, commonly known as methyl bromide, is an organobromine compound with formula CH3Br. This colorless, odorless, nonflammable gas is produced both industrially and particularly biologically. Chemical
Methyl-t-butyl etherMethyl tert-butyl ether, also known as methyl tertiary butyl ether and MTBE, is an organic compound with molecular formula (CH3)3COCH3.Chemical
MetolachlorMetolachlor is an herbicide applied on corn, soybeans, peanuts, cotton and pod crops.Chemical
MicrosporidiaThe microsporidia constitute a phylum of spore-forming unicellular parasites. Microbial
MolinateMolinate is an herbicide used on rice to control watergrass.Chemical
Mycobacterium avium intracellulareMycobacterium avium and M. intracellulare (the M. a. complex - MAC) are saprotrophic organisms present in soil and water; entry into hosts is usually via the gastrointestinal tract, but also can be via the lungs. Microbial
NitrobenzeneNitrobenzene is a synthetic chemical used in the production of aniline, which is used to make dyes, herbicides and drugs.Chemical
OrganotinsOrganotin compounds or stannanes are chemical compounds based on tin with hydrocarbon substituents. Organotin chemistry is part of the wider field of organometallic chemistry.[1] The first organotin compound was diethyltin diiodide, discovered by Edward FChemical
p-Isopropyltoluenep-Isopropyltoluene is a widely used industrial chemical used in the manufacture of paint, furniture and other consumer goods.Chemical
PerchloratePerchlorate is a synthetic oxygen additive in solid fuel propellant for rockets, missiles, and fireworks, and is primarily used by the military and the space industry; it may occur naturally in certain imported agricultural fertilizers.Chemical
PrometonPrometon is an herbicide used to control annual and perennial weeds and grasses.Chemical
RDXHexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) is a manufactured chemical widely used as an explosive in military and industrial applications.Chemical
TerbacilTerbacil is an herbicide used on sugarcane, apples, alfalfa, peaches and nuts.Chemical
TerbufosTerbufos is a neurotoxic insecticide and nematicide primarily used on corn, as well as on sorghum and sugar beets.Chemical
Triazines & degradation products of triazinesA triazine is one of three organic chemicals, isomeric with each other, whose molecular formula is C3H3N3 and whose empirical formula is CHN.Chemical
VanadiumVanadium is a metal used as an alloying addition to iron & steel; it is discharged from ceramic, glass, textile, photography, metallurgy and rubber industries.Chemical