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National Drinking Water Database
Alcalde Mdwca - Espanola, NM
Serves 800 people - Test data available: 2004-2006
This drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group (EWG) by the New Mexico Environment Department. It is part of EWG's national database that includes 47,667 drinking water utilities and 20 million test results. Water utilities nationwide detected more than 300 pollutants between 2004 and 2009. More than half of these chemicals are unregulated, legal in any amount. Despite this widespread contamination, the federal government invests few resources to protecting rivers, reservoirs, and groundwater from pollution in the first place. The information below summarizes test results for this utility and lists potential health concerns.
The New Mexico Environment Department did not respond to requests for more recent test data. Contact your water utility for the latest water quality report.
Contaminants Exceeding Health Guidelines
Other Detected Contaminants
Testing History-Tested      -Detected      -Over Health Guidelines      -Over Legal Limit*
|Nitrate & nitriteNitrate and nitrite enter water from fertilizer runoff, leaching from septic tanks, and erosion of natural deposits.||1.76 ppm|
|Gross beta particle activity (pCi/L)Beta particles are a form of radiation frequently associated with nuclear testing and radioactive mineral deposits.||1.7 pCi/L|
|NOTE: Each dot in the above graph represents one month.|
* Water utilities are noted as exceeding the legal limit if any test is above the maximum contaminant level (MCL). Most MCLs are based on annual averages so exceeding the MCL for one test does not necessarily indicate that the system is out of compliance.
Contaminants Not Detected - 110 chemicals
1,1,1,2-Tetrachloroethane, 1,1,1-Trichloroethane, 1,1,2,2-Tetrachloroethane, 1,1,2-Trichloroethane, 1,1-Dichloroethane, 1,1-Dichloroethylene, 1,1-Dichloropropene, 1,2 Dibromo-3-chloropropane (DBCP), 1,2,3-Trichlorobenzene, 1,2,3-Trichloropropane, 1,2,4-Trichlorobenzene, 1,2,4-Trimethylbenzene, 1,2-Dichloroethane, 1,2-Dichloropropane, 1,3,5-Trimethylbenzene, 1,3-Dichloropropane, 1,3-Dichloropropene, 2,2-Dichloropropane, 2,4,5-TP (Silvex), 2,4-d, Alachlor (Lasso), Aldicarb, Aldicarb sulfone, Aldicarb sulfoxide, Antimony (total), Atrazine, Barium (total), Benzene, Benzo[a]pyrene, Beryllium (total), Bromobenzene, Bromochloromethane, Bromodichloromethane, Bromoform, Bromomethane, Cadmium (total), Carbofuran, Carbon tetrachloride, Chlordane, Chloroethane, Chloroform, Chloromethane, Chromium (total), cis-1,2-Dichloroethylene, Combined Radium (-226 & -228), Combined Uranium (mg/L), Copper, Dalapon, Di(2-Ethylhexyl) adipate, Di(2-ethylhexyl) phthalate, Dibromochloromethane, Dibromomethane, Dichlorodifluoromethane, Dichloromethane (methylene chloride), Dinoseb, Diquat, Endothall, Endrin, Ethylbenzene, Ethylene dibromide (EDB), Glyphosate, Heptachlor, Heptachlor epoxide, Hexachlorobenzene (HCB), Hexachlorobutadiene, Hexachlorocyclopentadiene, Isopropylbenzene, Lead (total), Lindane, m-Dichlorobenzene, m-Xylene, Mercury (total inorganic), Methoxychlor, Methyl ethyl ketone, Monochlorobenzene (Chlorobenzene), Mtbe, n-Butylbenzene, n-Propylbenzene, Naphthalene, Nitrobenzene, o-Chlorotoluene, o-Dichlorobenzene, o-Xylene, Oxamyl (Vydate), p-Chlorotoluene, p-Dichlorobenzene, p-Isopropyltoluene, Pentachlorophenol, Picloram, Radium-226, Radium-228, sec-Butylbenzene, Selenium (total), Simazine, Styrene, tert-Butylbenzene, Tetrachloroethylene, Tetrahydrofuran, Thallium (total), Toluene, Total polychlorinated biphenyls (PCBs), Total trihalomethanes (TTHMs), Toxaphene, trans-1,2-Dichloroethylene, trans-1,3-Dichloropropene, Trichloroethylene, Trichlorofluoromethane, Uranium-238, Vinyl chloride, Xylenes (total)
|5||Total Contaminants Detected (2004 - 2006)|
(pesticides, fertilizer, factory farms)
|3||Sprawl and Urban Pollutants|
(road runoff, lawn pesticides, human waste)
|0||Water Treatment and Distribution Byproducts|
(pipes and fixtures, treatment chemicals and byproducts)
(naturally present but increased for lands denuded by sprawl, agriculture, or industrial development)
EPA Violation Summary
|Violation Category||Number of Violations|
|MCL and Treatment|
(click see violations)close
(click see violations)close
Information on violations is drawn directly from EPA's national violations database in the Agency's Safe Drinking Water Information System. Analyses by others have raised questions about the quality of the information in EPA's database. For the purposes of this investigation, EWG is not showing below or including in our analyses, those violations for individual water suppliers that occurred on days for which the total number of violations assigned by EPA to that water supplier was greater than 20. This criteria was based on common characteristics of incorrect violations data as identified by water utilities, from a review of EPA's violations data by several hundred utilities prior to the release of EWG's investigation.