
Los Angeles, California | Municipal Water Utility Company | Public Service Announcement
Residents receiving water from Los Angeles Department of Water and Power may find their supply compromised by various contaminants including trans-1,2-Dichloroethylene and 1,1-Dichloroethane, while also experiencing elevated levels of water hardness. Los Angeles Department of Water and Power distributes municipal water sourced primarily from Surface water throughout this county.
What's in your tap water?
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US Public Records
Los Angeles Department of Water and Power Area Details

Area served:
Los Angeles, California

Population served:
3935670

Water source:
Surface water

Phone:
800-342-5397

Address:
919 S. Soto Street #10, Los Angeles, CA 90023

3date
Contaminants Detected In Los Angeles, California
Arsenic; Bromate; Chromium (hexavalent); Total trihalomethanes (TTHMs); 1,4-Dioxane; Manganese; Selenium; Chloroform; Bromoform; Bromodichloromethane;… more

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US Public Records
Los Angeles Department of Water and Power
Annual Municipal Water Report
List of Municipal Water Contaminants Tested by Los Angeles Department of Water and Power
Tested But Not Detected:
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; 1,2,3-Trichlorobenzene; 1,2,3-trimethylbenzene (hemellitol); 1,2,4-Trichlorobenzene; 1,2,4-Trimethylbenzene; 1,2-Dibromo-3-chloropropane (DBCP); 1,2-Dichloroethane; 1,2-Dichloropropane; 1,3,5-Trichlorobenzene; 1,3,5-Trimethylbenzene; 1,3-Butadiene; 1,3-Dichloropropane; 1,3-Dichloropropene; 17-beta-Estradiol; 2,2-Dichloropropane; 2,3,7,8-TCDD (Dioxin); 2,4,5-T; 2,4,5-TP (Silvex); 2,4-D; 3-Hydroxycarbofuran; 4,4'-dde; 4-Androstene-3,17-dione; Acenaphthene; Acenaphthylene; Acifluorfen (Blazer); Alachlor (Lasso); Aldicarb; Aldicarb sulfone; Aldicarb sulfoxide; Aldrin; alpha-Lindane; Aluminum; Anthracene; Antimony; Atrazine; Barium; Baygon (Propoxur); Bentazon (Basagran); Benzene; Benzo[a]anthracene; Benzo[a]pyrene; Benzo[b]fluoranthene; Benzo[g,h,i]perylene; Benzo[k]fluoranthene; Beryllium; beta-BHC; Bromacil; Bromobenzene; Bromomethane; Butachlor; Butyl benzyl phthalate; Cadmium; Carbaryl; Carbofuran; Carbon tetrachloride; Chlordane; Chloroethane; Chloromethane; Chlorothalonil (Bravo); Chrysene; cis-1,2-Dichloroethylene; cis-1,3-Dichloropropene; Cobalt; Cyanide; Dalapon; DCPA mono- and di-acid degradates; delta-BHC; Di(2-ethylhexyl) adipate; Di(2-ethylhexyl) phthalate; Di-n-butyl phthalate; Di-n-octyl phthalate; Diazinon (Spectracide); Dibenz[a,h]anthracene; Dibromomethane; Dicamba; Dichlorodifluoromethane; Dichloromethane (methylene chloride); Dieldrin; Diethyl phthalate; Dimethyl phthalate; Dinoseb; Diquat; Endosulfan I; Endosulfan II; Endosulfan sulfate; Endothall; Endrin; Endrin aldehyde; Equilin; Estriol; Estrone; Ethinyl estradiol; Ethyl tert-butyl ether; Ethylbenzene; Ethylene dibromide; Fluoranthene; Fluorene; Glyphosate; Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Hexachlorobutadiene; Hexachlorocyclopentadiene; Indeno[1,2,3-cd]pyrene; Isopropylbenzene; Lindane; m- & p-Xylene; m-Dichlorobenzene; Mercury (inorganic); Methiocarb; Methomyl; Methoxychlor; Methyl ethyl ketone; Methyl isobutyl ketone; Metolachlor; Metribuzin; Molinate; Monochlorobenzene (chlorobenzene); MTBE; n-Butylbenzene; N-Nitrosodimethylamine (NDMA); n-Propylbenzene; Naphthalene; Nitrate & nitrite; Nitrite; o-Chlorotoluene; o-Dichlorobenzene; o-Xylene; Oxamyl (Vydate); p-Chlorotoluene; p-Dichlorobenzene; p-Isopropyltoluene; Para-para DDT; Paraquat; Pentachloroethane; Pentachlorophenol; Perchlorate; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Phenanthrene; Picloram; Polychlorinated biphenyls (PCBs); Prometon; Prometryn; Propachlor; Propazine; Pyrene; Radium; combined (-226 & -228); Radium-226; Radium-228; sec-Butylbenzene; Silver; Simazine; Strontium-90; Styrene; tert-Amyl methyl ether; tert-Butylbenzene; Testosterone; Thallium; Thiobencarb; Toluene; Toxaphene; trans-1,2-Dichloroethylene; trans-1,3-Dichloropropene; Trichlorotrifluoroethane; Trifluralin; Tritium; Vinyl chloride; Xylenes (total)

What's in your tap water?

Discover which contaminants exceed Legal and Health Guidelines in your water.
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US Public Records
Los Angeles Department of Water and Power
About Us
The sources of tap water (both municipal and bottled varieties) include rivers, lakes, streams, ponds, reservoirs, springs, and wells. As water travels across land surfaces or through subterranean layers, it dissolves naturally-occurring minerals and, in some instances, radioactive materials, while also potentially collecting substances from animal presence or human activities.
Potential contaminants in source water include:
- Microbial contaminants, such as viruses and bacteria, potentially originating from wastewater treatment facilities, septic systems, agricultural livestock operations, and wildlife.
- Inorganic contaminants, including salts and metals, which may occur naturally or result from urban stormwater runoff, industrial or domestic wastewater discharges, oil and gas production, mining, or farming activities.
- Pesticides and herbicides containing nitrogen that may come from various sources including agriculture, urban stormwater runoff, and residential usage.
- Organic chemical contaminants, including synthetic and volatile organics that are byproducts of industrial processes and petroleum production, and can also come from gas stations, urban stormwater runoff, agricultural applications, and septic systems.
- Radioactive contaminants that may be naturally occurring or result from oil and gas extraction and mining operations.
To ensure tap water safety, the U.S. Environmental Protection Agency (U.S. EPA) and the State Water Resources Control Board (State Board) establish regulations limiting specific contaminant levels in public water systems. State Board regulations also set similar standards for bottled water to provide equivalent public health protection.
All drinking water, including bottled water, may reasonably be expected to contain at least small amounts of some contaminants. The presence of these substances doesn't necessarily indicate a health risk. For more information about contaminants and potential health effects, contact the U.S. EPA's Safe Drinking Water Hotline at (800) 426-4791.

For more information on your municipal water, visit the U.S. Environmental Protection Agency:
Los Angeles Department of Water and Power Municipal Water Company and EPALos Angeles Department of Water and Power Municipal Water Report Info
The EPA works closely with local water utilities to monitor and regulate contaminants in municipal water systems. Regular testing helps identify potential issues before they become health concerns. The Los Angeles Department of Water and Power adheres to federal guidelines for water quality assessment and public reporting.
Municipal Water Utility Company FAQ

For more information on your municipal water, visit the U.S. CDC:
Los Angeles Department of Water and Power Municipal Water Company and CDCThe CDC provides valuable resources about household water safety, including recommendations for testing, treatment options, and health guidelines. Their expertise helps consumers make informed decisions about their municipal water quality and potential supplemental filtration needs.

Los Angeles Department of Water and Power delivers municipal water services to residents of Los Angeles and surrounding areas in Los Angeles, California.
Free Official Water Safety Report for Los Angeles Department of Water and Power!

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