
Selma, California | Municipal Water Utility Company | Public Service Announcement
Residents receiving tap water from California Water Service (CWS) - Selma may be exposed to various contaminants including sec-Butylbenzene, Molybdenum and Tetrahydrofuran, alongside elevated water hardness levels. California Water Service (CWS) - Selma provides your neighborhood with municipal water sourced primarily from Groundwater supplies.
What's in your tap water?
Limited Time: Free Water Safety Report for California Water Service (CWS) - Selma.
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California Water Service (CWS) - Selma Area Details

Area served:
Selma, California

Population served:
25171

Water source:
Groundwater

Phone:
559-896-4546

Address:
2042 Second Street, Selma, CA 93662

3date
Contaminants Detected In Selma, California
1,2,3-Trichloropropane; 1,2-Dibromo-3-chloropropane (DBCP); Chromium (hexavalent); 1,2,3-Trichloropropane; Arsenic; Fluoride Bromoform; Chlorate; Dibr… more

Limited Time: Free Water Safety Report for California Water Service (CWS) - Selma.
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California Water Service (CWS) - Selma
Annual Municipal Water Report
List of Municipal Water Contaminants Tested by California Water Service (CWS) - Selma
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; 1,2,4-Trichlorobenzene; 1,2,4-Trimethylbenzene; 1,2-Dichloroethane; 1,2-Dichloropropane; 1,3,5-Trimethylbenzene; 1,3-Butadiene; 1,3-Dichloropropane; 1,3-Dichloropropene; 1,4-Dioxane; 2,2-Dichloropropane; 2,4,5-T; 2,4,5-TP (Silvex); 2,4-D; 3-Hydroxycarbofuran; Acetone; Alachlor (Lasso); Aldicarb; Aldicarb sulfone; Aldicarb sulfoxide; Aldrin; Aluminum; Antimony; Atrazine; Barban; Barium; Baygon (Propoxur); Bentazon (Basagran); Benzene; Benzo[a]pyrene; Beryllium; Bromacil; Bromobenzene; Bromochloromethane; Bromodichloromethane; Bromomethane; Butachlor; Cadmium; Carbaryl; Carbofuran; Carbon tetrachloride; Chlordane; Chloroethane; Chloroform; Chloromethane; Chlorothalonil (Bravo); Chlorpropham; cis-1,2-Dichloroethylene; cis-1,3-Dichloropropene; Cobalt; Cyanide; Dalapon; Di(2-ethylhexyl) adipate; Di(2-ethylhexyl) phthalate; Diazinon (Spectracide); Dibromoacetic acid; Dibromomethane; Dicamba; Dichloroacetic acid; Dichlorodifluoromethane; Dichloromethane (methylene chloride); Dieldrin; Dimethoate; Dinoseb; Diquat; Diuron; Endothall; Endrin; Ethyl tert-butyl ether; Ethylbenzene; Ethylene dibromide; Fenuron; Fluometuron; Glyphosate; Haloacetic acids (HAA5); Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Hexachlorobutadiene; Hexachlorocyclopentadiene; Isopropyl ether; Isopropylbenzene; Lindane; Linuron; m- & p-Xylene; m-Dichlorobenzene; Manganese; Mercury (inorganic); Methomyl; Methoxychlor; Methyl ethyl ketone; Methyl isobutyl ketone; Metolachlor; Metribuzin; Molinate; Monobromoacetic acid; Monochloroacetic acid; Monochlorobenzene (chlorobenzene); Monuron; MTBE; n-Butylbenzene; N-Nitrosodimethylamine (NDMA); n-Propylbenzene; Naphthalene; Neburon; Nitrite; o-Chlorotoluene; o-Dichlorobenzene; o-Xylene; Oxamyl (Vydate); p-Chlorotoluene; p-Dichlorobenzene; p-Isopropyltoluene; Paraquat; Pentachlorophenol; Perchlorate; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Picloram; Polychlorinated biphenyls (PCBs); Propachlor; Propham; Radium; combined (-226 & -228); Radium-226; Radium-228; sec-Butylbenzene; Selenium; Siduron; Silver; Simazine; Styrene; tert-Amyl methyl ether; tert-Butyl alcohol; tert-Butylbenzene; Tetrachloroethylene (perchloroethylene); Thallium; Thiobencarb; Toluene; Toxaphene; trans-1,2-Dichloroethylene; trans-1,3-Dichloropropene; Trichloroacetic acid; Trichloroethylene; Trichlorofluoromethane; Trichlorotrifluoroethane; Trifluralin; Vinyl chloride; Xylenes (total)

What's in your tap water?

Find out which contaminants are found above Legal and Health Guidelines.
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California Water Service (CWS) - Selma
About Us
Our water quality experts collect samples throughout the distribution system for testing at our advanced laboratory, certified under the stringent Environmental Lab Accreditation Program (ELAP). Our specialists test for nearly 300 contaminants using equipment capable of detecting concentrations as minute as one part per trillion.
To maintain ELAP certification, all scientists must successfully complete annual blind-study proficiency tests for each water quality parameter measured. Test results are entered into our Laboratory Information Management System (LIMS), enabling rapid response to water quality changes and effective trend analysis for future planning.
Cross-Connection Control Program
To protect water quality in our distribution system, we implement a comprehensive cross-connection control program. This critical initiative ensures that activities on customer properties don't compromise public water supply. Our specialists verify annual testing of all existing backflow prevention assemblies, assess non-residential connections, and manage installation of new commercial and residential assemblies. Last year, our team oversaw installation of 2,826 new assemblies and testing of 36,433 backflow prevention devices company-wide.
Our customers play a vital role in preventing contamination. Even small home improvement projects can create potentially hazardous situations, so following plumbing codes is essential for community water safety. Always consult a qualified plumbing professional when needed.
Common cross-connection concerns include:
- Garden hoses without simple vacuum breakers (available at hardware stores)
- Improperly installed toilet tank fill valves lacking required air gaps
- Landscape irrigation systems without proper backflow prevention assemblies

For more information on your municipal water, visit the U.S. Environmental Protection Agency:
California Water Service (CWS) - Selma Municipal Water Company and EPACalifornia Water Service (CWS) - Selma Municipal Water Report Info
The EPA provides comprehensive guidelines for municipal water quality, establishing safety standards that suppliers must meet. These regulations help protect public health by limiting contaminant levels and requiring regular testing and reporting.
Water quality reports, also known as Consumer Confidence Reports, provide transparency about your local water supply, including source information, detected contaminants, and compliance with health standards.
Municipal Water Utility Company FAQ

For more information on your municipal water, visit the U.S. CDC:
California Water Service (CWS) - Selma Municipal Water Company and CDC- How often is my municipal water tested?
California Water Service tests water quality multiple times daily, with comprehensive analysis for nearly 300 potential contaminants performed regularly throughout the year. - What causes water hardness in Selma?
Water hardness in Selma primarily results from naturally occurring calcium and magnesium minerals present in the local groundwater supply. - How can I reduce exposure to potential contaminants?
Using certified water filtration systems designed to address specific local contaminants can significantly reduce exposure and improve water quality.

California Water Service (CWS) - Selma provides municipal water services to the public of Selma and Selma, California.
Get the official California Water Service (CWS) - Selma Water Score Report for Free (limited time offer).

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