
Petaluma, California | Municipal Water Utility Company | Public Service Announcement
The local tap water supplied by City of Petaluma may be contaminated with various substances including Chlorate, Toluene and 1,3,5-Trimethylbenzene, alongside elevated levels of water hardness. City of Petaluma provides municipal water to residents sourced primarily from Groundwater reserves.
What's in your tap water?
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City of Petaluma Area Details

Area served:
Petaluma, California

Population served:
56213

Water source:
Groundwater

Phone:
707.778.4360

Address:
11 English Street, Petaluma, CA 94952

3date
Contaminants Detected In Petaluma, California
Arsenic; Bromodichloromethane; Chloroform; Chromium (hexavalent); Dibromochloromethane; Dichloroacetic acid; Total trihalomethanes (TTHMs); Trichloroa… more

Free Water Safety Report for City of Petaluma. (Limited Time)
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City of Petaluma
Annual Municipal Water Report
List of Municipal Water Contaminants Tested by City of Petaluma
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-Trichloropropane; 1,2,4-Trichlorobenzene; 1,2,4-Trimethylbenzene; 1,2-Dibromo-3-chloropropane (DBCP); 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; 2,3,7,8-TCDD (Dioxin); 2,4,5-T; 2,4,5-TP (Silvex); 2,4-D; 2,4-DB; 3-Hydroxycarbofuran; 4,4'-dde; 4-Nitrophenol; Acetone; Acifluorfen (Blazer); Acrylonitrile; Alachlor (Lasso); Aldicarb; Aldicarb sulfone; Aldicarb sulfoxide; Aldrin; alpha-Lindane; Antimony; Asbestos; Atrazine; Baygon (Propoxur); Bentazon (Basagran); Benzene; Benzo[a]pyrene; Beryllium; beta-BHC; Bromacil; Bromate; Bromobenzene; Bromochloromethane; Bromomethane; Butachlor; Cadmium; Carbaryl; Carbofuran; Carbon tetrachloride; Chlordane; Chlorite; Chlorobenzilate; Chlorodifluoromethane; Chloroethane; Chloromethane; Chloroneb; Chlorothalonil (Bravo); cis-1,2-Dichloroethylene; cis-1,3-Dichloropropene; cis-Permethrin; Cobalt; Combined uranium; Cyanide; Dacthal; Dalapon; DCPA mono- and di-acid degradates; delta-BHC; Di(2-ethylhexyl) adipate; Di(2-ethylhexyl) phthalate; Dibromomethane; Dicamba; Dichlorodifluoromethane; Dichloromethane (methylene chloride); Dichlorprop; Dieldrin; Dimethoate; Dinoseb; Diquat; Endosulfan I; Endosulfan II; Endosulfan sulfate; Endothall; Endrin; Endrin aldehyde; Ethylbenzene; Ethylene dibromide; Glyphosate; Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Hexachlorobutadiene; Hexachlorocyclopentadiene; Isopropylbenzene; Lindane; m- & p-Xylene; m-Dichlorobenzene; Mercury (inorganic); Methiocarb; Methomyl; Methoxychlor; Methyl ethyl ketone; Methyl isobutyl ketone; Metolachlor; Metribuzin; Molinate; Monobromoacetic acid; Monochloroacetic acid; Monochlorobenzene (chlorobenzene); MTBE; n-Butylbenzene; n-Propylbenzene; Naphthalene; Nitrite; o-Chlorotoluene; o-Dichlorobenzene; o-Xylene; Oxamyl (Vydate); p-Chlorotoluene; p-Dichlorobenzene; p-Isopropyltoluene; Para-para DDT; Pentachlorophenol; Perchlorate; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Picloram; Polychlorinated biphenyls (PCBs); Prometryn; Propachlor; sec-Butylbenzene; Selenium; Silver; Simazine; Styrene; tert-Butylbenzene; Tetrachloroethylene (perchloroethylene); Thallium; Thiobencarb; Toluene; Toxaphene; trans-1,2-Dichloroethylene; trans-1,3-Dichloropropene; trans-Permethrin; 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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City of Petaluma
About Us
A comprehensive assessment of Petaluma's municipal water sources was initially conducted in March 2003. The city's water supplies are considered vulnerable to several activities including: sewer collection networks, airport maintenance facilities, recreational areas, known contamination plumes, and underground storage tanks. The sources for the SCWA are primarily vulnerable to wastewater treatment operations and mining activities. Fortunately, no contaminants associated with these activities have been detected in either water supply.
Assessment copies are available at the Department of Health Services, 50 D Street, Suite 200, Santa Rosa, CA. You may request an assessment summary by contacting the Department of Health Services, Office of Municipal Water, at (707) 576-2145. For questions or feedback, please contact Joel McIntyre, Public Works and Resources, at (707) 776-3698, or email at jmcintyre@ci.petaluma.ca.us.
Substances potentially present in water include:
- Microbial Contaminants from sewage facilities, septic systems, agricultural operations, and wildlife
- Inorganic Contaminants like metals and salts from natural sources or urban runoff
- Pesticides from agriculture, urban runoff, and residential usage
- Organic Chemical Contaminants from industrial processes, petroleum production, gas stations, and waste systems
- Radioactive Contaminants occurring naturally or resulting from oil/gas production
For more information about contaminants and potential health effects, call 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:
City of Petaluma Drinking Water Company and EPACity of Petaluma Municipal Water Report Info
Petaluma's historical significance reflects the development of both California and the West through its landmarks and historic sites. The city's authentic heritage can be traced through Indigenous communities, Mexican settlements, gold rush era, railway expansion, and the aftermath of the San Francisco earthquake.
Incorporated in 1858, Petaluma ranks among California's oldest cities. Walking through downtown feels like stepping into the state's storied past. The riverfront district became a thriving hub during the mid-19th century Gold Rush, when waterways transported agricultural products, poultry, and dairy from this fertile valley to rapidly growing San Francisco and Oakland.
Largely spared from the destruction of the 1906 earthquake, Petaluma features buildings with foundations laid over 150 years ago, showcasing some of America's finest examples of iron-front architectural design. Today, these architectural treasures in the walkable downtown area house boutiques, eateries, and art galleries.
Municipal Water Utility Company FAQ

For more information on your municipal water, visit the U.S. CDC:
City of Petaluma Drinking Water Company and CDC.. ...

City of Petaluma provides municipal water services to the public of Petaluma and Petaluma, California.
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