City of Modesto Water Company 💧 3date ALERT Drinking Water

Modesto, California | Drinking Water Utility Company

The resident drinking water in City of Modesto could be polluted from different pollutants such as Dibromoacetic acid and Beryllium, while languishing soaring ratings of water hardness. City of Modesto services the area with drinking water that sources its water from Purchased surface water.

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City of Modesto Details

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Area served:

Modesto, California

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Population served:


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Water source:

Purchased surface water

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1010 10th Street, Modesto, CA 95354

California Dinking Water Utility


Contaminants Detected In Modesto, California

1,2,3-Trichloropropane; 1,2-Dibromo-3-chloropropane (DBCP); Arsenic; Bromodichloromethane; Chloroform; Chromium (hexavalent); Dibromochloromethane; Di… more

Modesto Dinking Water Utility

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City of Modesto

Annual Drinking Water Report

List of Drinking Water Contaminants Tested by City of Modesto

But Not Detected:
1,1,1,2-Tetrachloroethane; 1,1,1-Trichloroethane; 1,1,2,2-Tetrachloroethane; 1,1,2-Trichloroethane; 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; 1,3-Dinitrobenzene; 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-Androstene-3,17-dione; Acetone; Alachlor (Lasso); Aldicarb; Aldicarb sulfone; Aldicarb sulfoxide; Aldrin; Antimony; Asbestos; Atrazine; Bentazon (Basagran); Benzene; Benzo[a]pyrene; Beryllium; Bromacil; Bromobenzene; Bromochloromethane; Bromomethane; Butachlor; Cadmium; Carbaryl; Carbofuran; Carbon tetrachloride; Chlordane; Chloroethane; Chloromethane; Chlorothalonil (Bravo); cis-1,2-Dichloroethylene; cis-1,3-Dichloropropene; Cobalt; Cyanide; Dalapon; Di(2-ethylhexyl) adipate; Di(2-ethylhexyl) phthalate; Diazinon (Spectracide); Dibromomethane; Dicamba; Dichloromethane (methylene chloride); Dieldrin; Dimethoate; Dinoseb; Diquat; Diuron; Endothall; Endrin; Equilin; Estriol; Estrone; Ethinyl estradiol; Ethyl tert-butyl ether; Ethylbenzene; Ethylene dibromide; Glyphosate; Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Hexachlorobutadiene; Hexachlorocyclopentadiene; Isopropyl ether; Isopropylbenzene; Lindane; m- & p-Xylene; m-Dichlorobenzene; Mercury (inorganic); Methomyl; Methoxychlor; Methyl ethyl ketone; Methyl isobutyl ketone; Metolachlor; Metribuzin; Molinate; Monobromoacetic acid; Monochlorobenzene (chlorobenzene); MTBE; n-Butylbenzene; n-Propylbenzene; Naphthalene; o-Chlorotoluene; o-Dichlorobenzene; o-Xylene; Oxamyl (Vydate); p-Chlorotoluene; p-Dichlorobenzene; p-Isopropyltoluene; 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; sec-Butylbenzene; Silver; Simazine; Styrene; tert-Amyl methyl ether; tert-Butyl alcohol; tert-Butylbenzene; Testosterone; Thallium; Thiobencarb; Toluene; Toxaphene; trans-1,2-Dichloroethylene; trans-1,3-Dichloropropene; Trichlorofluoromethane; Trifluralin; Vinyl chloride; Xylenes (total)

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The City currently works 79 wells, being unfaithful tanks, and 181 sampling points. Till 1995, our clients received all of their drinking water from wells. To be able to continue to deliver clean, dependable water, the town partnered with the Discreto Irrigation District (MID) to construct a surface area water treatment grow at Modesto Tank. The treatment process generates water that matches state and federal drinking water requirements. In 2017, around 43% of the drinking water supplied was coming from groundwater wells and 57% was surface area water. Surface Drinking water Treatment Process: • Water from Discreto Reservoir flows into the water treatment grow where ozone is usually added for disinfection. • Liquid alum and polymers will be mixed rapidly into the disinfected water to draw suspended particles and cause them to come together right into a substance known as floc. • The water moves into sedimentation basins to allow the floc to settle before the drinking water goes to the filter systems. • The water goes by through an anthracite filtration system where any leftover floc is eliminated. • Chlorine is usually added to the water because of the final disinfectant. • Lime and co2 are added to stop the corrosion of drinking water pipes. • Cured water flows to Modesto and into two 5 Mil gallon tanks. From your tanks, it is driven out as required into the distribution program where it blends with groundwater. It is then delivered to homes via service lines and you get to beverage it, cook with it, bathe with it, etc..

California EPA Water Reports

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City of Modesto Drinking Water Company and EPA

City of Modesto Drinking Water Report Info
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California CDC Tap Water Info

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City of Modesto Drinking Water Company and CDC

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City of Modesto consumer info

City of Modesto provides drinking water services to the public of Modesto and Modesto, California.

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